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node_modules/webpack-bundle-analyzer/LICENSE
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Copyright JS Foundation and other contributors
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
node_modules/webpack-bundle-analyzer/README.md
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[![npm][npm]][npm-url]
[![node][node]][node-url]
[![tests][tests]][tests-url]
[![downloads][downloads]][downloads-url]
<div align="center">
<a href="https://github.com/webpack/webpack">
<img width="200" height="200"
src="https://webpack.js.org/assets/icon-square-big.svg">
</a>
<h1>Webpack Bundle Analyzer</h1>
<p>Visualize size of webpack output files with an interactive zoomable treemap.</p>
</div>
<h2 align="center">Install</h2>
```bash
# NPM
npm install --save-dev webpack-bundle-analyzer
# Yarn
yarn add -D webpack-bundle-analyzer
```
<h2 align="center">Usage (as a plugin)</h2>
```js
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
module.exports = {
plugins: [
new BundleAnalyzerPlugin()
]
}
```
It will create an interactive treemap visualization of the contents of all your bundles.
![webpack bundle analyzer zoomable treemap](https://cloud.githubusercontent.com/assets/302213/20628702/93f72404-b338-11e6-92d4-9a365550a701.gif)
This module will help you:
1. Realize what's *really* inside your bundle
2. Find out what modules make up the most of its size
3. Find modules that got there by mistake
4. Optimize it!
And the best thing is it supports minified bundles! It parses them to get real size of bundled modules.
And it also shows their gzipped sizes!
<h2 align="center">Options (for plugin)</h2>
```js
new BundleAnalyzerPlugin(options?: object)
```
|Name|Type|Description|
|:--:|:--:|:----------|
|**`analyzerMode`**|One of: `server`, `static`, `json`, `disabled`|Default: `server`. In `server` mode analyzer will start HTTP server to show bundle report. In `static` mode single HTML file with bundle report will be generated. In `json` mode single JSON file with bundle report will be generated. In `disabled` mode you can use this plugin to just generate Webpack Stats JSON file by setting `generateStatsFile` to `true`. |
|**`analyzerHost`**|`{String}`|Default: `127.0.0.1`. Host that will be used in `server` mode to start HTTP server.|
|**`analyzerPort`**|`{Number}` or `auto`|Default: `8888`. Port that will be used in `server` mode to start HTTP server. If `analyzerPort` is `auto`, the operating system will assign an arbitrary unused port |
|**`analyzerUrl`**|`{Function}` called with `{ listenHost: string, listenHost: string, boundAddress: server.address}`. [server.address comes from Node.js](https://nodejs.org/api/net.html#serveraddress)| Default: `http://${listenHost}:${boundAddress.port}`. The URL printed to console with server mode.|
|**`reportFilename`**|`{String}`|Default: `report.html`. Path to bundle report file that will be generated in `static` mode. It can be either an absolute path or a path relative to a bundle output directory (which is output.path in webpack config).|
|**`reportTitle`**|`{String\|function}`|Default: function that returns pretty printed current date and time. Content of the HTML `title` element; or a function of the form `() => string` that provides the content.|
|**`defaultSizes`**|One of: `stat`, `parsed`, `gzip`|Default: `parsed`. Module sizes to show in report by default. [Size definitions](#size-definitions) section describes what these values mean.|
|**`openAnalyzer`**|`{Boolean}`|Default: `true`. Automatically open report in default browser.|
|**`generateStatsFile`**|`{Boolean}`|Default: `false`. If `true`, webpack stats JSON file will be generated in bundle output directory|
|**`statsFilename`**|`{String}`|Default: `stats.json`. Name of webpack stats JSON file that will be generated if `generateStatsFile` is `true`. It can be either an absolute path or a path relative to a bundle output directory (which is output.path in webpack config).|
|**`statsOptions`**|`null` or `{Object}`|Default: `null`. Options for `stats.toJson()` method. For example you can exclude sources of your modules from stats file with `source: false` option. [See more options here](https://webpack.js.org/configuration/stats/). |
|**`excludeAssets`**|`{null\|pattern\|pattern[]}` where `pattern` equals to `{String\|RegExp\|function}`|Default: `null`. Patterns that will be used to match against asset names to exclude them from the report. If pattern is a string it will be converted to RegExp via `new RegExp(str)`. If pattern is a function it should have the following signature `(assetName: string) => boolean` and should return `true` to *exclude* matching asset. If multiple patterns are provided asset should match at least one of them to be excluded. |
|**`logLevel`**|One of: `info`, `warn`, `error`, `silent`|Default: `info`. Used to control how much details the plugin outputs.|
<h2 align="center">Usage (as a CLI utility)</h2>
You can analyze an existing bundle if you have a webpack stats JSON file.
You can generate it using `BundleAnalyzerPlugin` with `generateStatsFile` option set to `true` or with this simple
command:
```bash
webpack --profile --json > stats.json
```
If you're on Windows and using PowerShell, you can generate the stats file with this command to [avoid BOM issues](https://github.com/webpack-contrib/webpack-bundle-analyzer/issues/47):
```
webpack --profile --json | Out-file 'stats.json' -Encoding OEM
```
Then you can run the CLI tool.
```
webpack-bundle-analyzer bundle/output/path/stats.json
```
<h2 align="center">Options (for CLI)</h2>
```bash
webpack-bundle-analyzer <bundleStatsFile> [bundleDir] [options]
```
Arguments are documented below:
### `bundleStatsFile`
Path to webpack stats JSON file
### `bundleDir`
Directory containing all generated bundles.
### `options`
```
-V, --version output the version number
-m, --mode <mode> Analyzer mode. Should be `server`, `static` or `json`.
In `server` mode analyzer will start HTTP server to show bundle report.
In `static` mode single HTML file with bundle report will be generated.
In `json` mode single JSON file with bundle report will be generated. (default: server)
-h, --host <host> Host that will be used in `server` mode to start HTTP server. (default: 127.0.0.1)
-p, --port <n> Port that will be used in `server` mode to start HTTP server. Should be a number or `auto` (default: 8888)
-r, --report <file> Path to bundle report file that will be generated in `static` mode. (default: report.html)
-t, --title <title> String to use in title element of html report. (default: pretty printed current date)
-s, --default-sizes <type> Module sizes to show in treemap by default.
Possible values: stat, parsed, gzip (default: parsed)
-O, --no-open Don't open report in default browser automatically.
-e, --exclude <regexp> Assets that should be excluded from the report.
Can be specified multiple times.
-l, --log-level <level> Log level.
Possible values: debug, info, warn, error, silent (default: info)
-h, --help output usage information
```
<h2 align="center" id="size-definitions">Size definitions</h2>
webpack-bundle-analyzer reports three values for sizes. `defaultSizes` can be used to control which of these is shown by default. The different reported sizes are:
### `stat`
This is the "input" size of your files, before any transformations like
minification.
It is called "stat size" because it's obtained from Webpack's
[stats object](https://webpack.js.org/configuration/stats/).
### `parsed`
This is the "output" size of your files. If you're using a Webpack plugin such
as Uglify, then this value will reflect the minified size of your code.
### `gzip`
This is the size of running the parsed bundles/modules through gzip compression.
<h2 align="center">Selecting Which Chunks to Display</h2>
When opened, the report displays all of the Webpack chunks for your project. It's possible to filter to a more specific list of chunks by using the sidebar or the chunk context menu.
### Sidebar
The Sidebar Menu can be opened by clicking the `>` button at the top left of the report. You can select or deselect chunks to display under the "Show chunks" heading there.
### Chunk Context Menu
The Chunk Context Menu can be opened by right-clicking or `Ctrl`-clicking on a specific chunk in the report. It provides the following options:
* **Hide chunk:** Hides the selected chunk
* **Hide all other chunks:** Hides all chunks besides the selected one
* **Show all chunks:** Un-hides any hidden chunks, returning the report to its initial, unfiltered view
<h2 align="center">Troubleshooting</h2>
### I don't see `gzip` or `parsed` sizes, it only shows `stat` size
It happens when `webpack-bundle-analyzer` analyzes files that don't actually exist in your file system, for example when you work with `webpack-dev-server` that keeps all the files in RAM. If you use `webpack-bundle-analyzer` as a plugin you won't get any errors, however if you run it via CLI you get the error message in terminal:
```
Error parsing bundle asset "your_bundle_name.bundle.js": no such file
No bundles were parsed. Analyzer will show only original module sizes from stats file.
```
To get more information about it you can read [issue #147](https://github.com/webpack-contrib/webpack-bundle-analyzer/issues/147).
<h2 align="center">Other tools</h2>
- [Statoscope](https://github.com/smelukov/statoscope/blob/master/packages/ui-webpack/README.md) - Webpack bundle analyzing tool to find out why a certain module was bundled (and more features, including interactive treemap)
<h2 align="center">Maintainers</h2>
<table>
<tbody>
<tr>
<td align="center">
<img width="150" height="150"
src="https://avatars3.githubusercontent.com/u/302213?v=4&s=150">
</br>
<a href="https://github.com/th0r">Yuriy Grunin</a>
</td>
<td align="center">
<img width="150" height="150"
src="https://avatars3.githubusercontent.com/u/482561?v=4&s=150">
</br>
<a href="https://github.com/valscion">Vesa Laakso</a>
</td>
</tr>
<tbody>
</table>
[npm]: https://img.shields.io/npm/v/webpack-bundle-analyzer.svg
[npm-url]: https://npmjs.com/package/webpack-bundle-analyzer
[node]: https://img.shields.io/node/v/webpack-bundle-analyzer.svg
[node-url]: https://nodejs.org
[tests]: http://img.shields.io/travis/webpack-contrib/webpack-bundle-analyzer.svg
[tests-url]: https://travis-ci.org/webpack-contrib/webpack-bundle-analyzer
[downloads]: https://img.shields.io/npm/dt/webpack-bundle-analyzer.svg
[downloads-url]: https://npmjs.com/package/webpack-bundle-analyzer
<h2 align="center">Contributing</h2>
Check out [CONTRIBUTING.md](./CONTRIBUTING.md) for instructions on contributing :tada:
node_modules/webpack-bundle-analyzer/lib/BundleAnalyzerPlugin.js
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"use strict";
const fs = require('fs');
const path = require('path');
const {
bold
} = require('picocolors');
const Logger = require('./Logger');
const viewer = require('./viewer');
const utils = require('./utils');
const {
writeStats
} = require('./statsUtils');
class BundleAnalyzerPlugin {
constructor(opts = {}) {
this.opts = {
analyzerMode: 'server',
analyzerHost: '127.0.0.1',
reportFilename: null,
reportTitle: utils.defaultTitle,
defaultSizes: 'parsed',
openAnalyzer: true,
generateStatsFile: false,
statsFilename: 'stats.json',
statsOptions: null,
excludeAssets: null,
logLevel: 'info',
// deprecated
startAnalyzer: true,
analyzerUrl: utils.defaultAnalyzerUrl,
...opts,
analyzerPort: 'analyzerPort' in opts ? opts.analyzerPort === 'auto' ? 0 : opts.analyzerPort : 8888
};
this.server = null;
this.logger = new Logger(this.opts.logLevel);
}
apply(compiler) {
this.compiler = compiler;
const done = (stats, callback) => {
callback = callback || (() => {});
const actions = [];
if (this.opts.generateStatsFile) {
actions.push(() => this.generateStatsFile(stats.toJson(this.opts.statsOptions)));
} // Handling deprecated `startAnalyzer` flag
if (this.opts.analyzerMode === 'server' && !this.opts.startAnalyzer) {
this.opts.analyzerMode = 'disabled';
}
if (this.opts.analyzerMode === 'server') {
actions.push(() => this.startAnalyzerServer(stats.toJson()));
} else if (this.opts.analyzerMode === 'static') {
actions.push(() => this.generateStaticReport(stats.toJson()));
} else if (this.opts.analyzerMode === 'json') {
actions.push(() => this.generateJSONReport(stats.toJson()));
}
if (actions.length) {
// Making analyzer logs to be after all webpack logs in the console
setImmediate(async () => {
try {
await Promise.all(actions.map(action => action()));
callback();
} catch (e) {
callback(e);
}
});
} else {
callback();
}
};
if (compiler.hooks) {
compiler.hooks.done.tapAsync('webpack-bundle-analyzer', done);
} else {
compiler.plugin('done', done);
}
}
async generateStatsFile(stats) {
const statsFilepath = path.resolve(this.compiler.outputPath, this.opts.statsFilename);
await fs.promises.mkdir(path.dirname(statsFilepath), {
recursive: true
});
try {
await writeStats(stats, statsFilepath);
this.logger.info(`${bold('Webpack Bundle Analyzer')} saved stats file to ${bold(statsFilepath)}`);
} catch (error) {
this.logger.error(`${bold('Webpack Bundle Analyzer')} error saving stats file to ${bold(statsFilepath)}: ${error}`);
}
}
async startAnalyzerServer(stats) {
if (this.server) {
(await this.server).updateChartData(stats);
} else {
this.server = viewer.startServer(stats, {
openBrowser: this.opts.openAnalyzer,
host: this.opts.analyzerHost,
port: this.opts.analyzerPort,
reportTitle: this.opts.reportTitle,
bundleDir: this.getBundleDirFromCompiler(),
logger: this.logger,
defaultSizes: this.opts.defaultSizes,
excludeAssets: this.opts.excludeAssets,
analyzerUrl: this.opts.analyzerUrl
});
}
}
async generateJSONReport(stats) {
await viewer.generateJSONReport(stats, {
reportFilename: path.resolve(this.compiler.outputPath, this.opts.reportFilename || 'report.json'),
bundleDir: this.getBundleDirFromCompiler(),
logger: this.logger,
excludeAssets: this.opts.excludeAssets
});
}
async generateStaticReport(stats) {
await viewer.generateReport(stats, {
openBrowser: this.opts.openAnalyzer,
reportFilename: path.resolve(this.compiler.outputPath, this.opts.reportFilename || 'report.html'),
reportTitle: this.opts.reportTitle,
bundleDir: this.getBundleDirFromCompiler(),
logger: this.logger,
defaultSizes: this.opts.defaultSizes,
excludeAssets: this.opts.excludeAssets
});
}
getBundleDirFromCompiler() {
if (typeof this.compiler.outputFileSystem.constructor === 'undefined') {
return this.compiler.outputPath;
}
switch (this.compiler.outputFileSystem.constructor.name) {
case 'MemoryFileSystem':
return null;
// Detect AsyncMFS used by Nuxt 2.5 that replaces webpack's MFS during development
// Related: #274
case 'AsyncMFS':
return null;
default:
return this.compiler.outputPath;
}
}
}
module.exports = BundleAnalyzerPlugin;
node_modules/webpack-bundle-analyzer/lib/Logger.js
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"use strict";
const LEVELS = ['debug', 'info', 'warn', 'error', 'silent'];
const LEVEL_TO_CONSOLE_METHOD = new Map([['debug', 'log'], ['info', 'log'], ['warn', 'log']]);
class Logger {
constructor(level = Logger.defaultLevel) {
this.activeLevels = new Set();
this.setLogLevel(level);
}
setLogLevel(level) {
const levelIndex = LEVELS.indexOf(level);
if (levelIndex === -1) throw new Error(`Invalid log level "${level}". Use one of these: ${LEVELS.join(', ')}`);
this.activeLevels.clear();
for (const [i, level] of LEVELS.entries()) {
if (i >= levelIndex) this.activeLevels.add(level);
}
}
_log(level, ...args) {
console[LEVEL_TO_CONSOLE_METHOD.get(level) || level](...args);
}
}
Logger.levels = LEVELS;
Logger.defaultLevel = 'info';
;
LEVELS.forEach(level => {
if (level === 'silent') return;
Logger.prototype[level] = function (...args) {
if (this.activeLevels.has(level)) this._log(level, ...args);
};
});
module.exports = Logger;
node_modules/webpack-bundle-analyzer/lib/analyzer.js
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"use strict";
const fs = require('fs');
const path = require('path');
const gzipSize = require('gzip-size');
const {
parseChunked
} = require('@discoveryjs/json-ext');
const Logger = require('./Logger');
const Folder = require('./tree/Folder').default;
const {
parseBundle
} = require('./parseUtils');
const {
createAssetsFilter
} = require('./utils');
const FILENAME_QUERY_REGEXP = /\?.*$/u;
const FILENAME_EXTENSIONS = /\.(js|mjs|cjs)$/iu;
module.exports = {
getViewerData,
readStatsFromFile
};
function getViewerData(bundleStats, bundleDir, opts) {
const {
logger = new Logger(),
excludeAssets = null
} = opts || {};
const isAssetIncluded = createAssetsFilter(excludeAssets); // Sometimes all the information is located in `children` array (e.g. problem in #10)
if ((bundleStats.assets == null || bundleStats.assets.length === 0) && bundleStats.children && bundleStats.children.length > 0) {
const {
children
} = bundleStats;
bundleStats = bundleStats.children[0]; // Sometimes if there are additional child chunks produced add them as child assets,
// leave the 1st one as that is considered the 'root' asset.
for (let i = 1; i < children.length; i++) {
children[i].assets.forEach(asset => {
asset.isChild = true;
bundleStats.assets.push(asset);
});
}
} else if (bundleStats.children && bundleStats.children.length > 0) {
// Sometimes if there are additional child chunks produced add them as child assets
bundleStats.children.forEach(child => {
child.assets.forEach(asset => {
asset.isChild = true;
bundleStats.assets.push(asset);
});
});
} // Picking only `*.js, *.cjs or *.mjs` assets from bundle that has non-empty `chunks` array
bundleStats.assets = bundleStats.assets.filter(asset => {
// Filter out non 'asset' type asset if type is provided (Webpack 5 add a type to indicate asset types)
if (asset.type && asset.type !== 'asset') {
return false;
} // Removing query part from filename (yes, somebody uses it for some reason and Webpack supports it)
// See #22
asset.name = asset.name.replace(FILENAME_QUERY_REGEXP, '');
return FILENAME_EXTENSIONS.test(asset.name) && asset.chunks.length > 0 && isAssetIncluded(asset.name);
}); // Trying to parse bundle assets and get real module sizes if `bundleDir` is provided
let bundlesSources = null;
let parsedModules = null;
if (bundleDir) {
bundlesSources = {};
parsedModules = {};
for (const statAsset of bundleStats.assets) {
const assetFile = path.join(bundleDir, statAsset.name);
let bundleInfo;
try {
bundleInfo = parseBundle(assetFile);
} catch (err) {
const msg = err.code === 'ENOENT' ? 'no such file' : err.message;
logger.warn(`Error parsing bundle asset "${assetFile}": ${msg}`);
continue;
}
bundlesSources[statAsset.name] = {
src: bundleInfo.src,
runtimeSrc: bundleInfo.runtimeSrc
};
Object.assign(parsedModules, bundleInfo.modules);
}
if (Object.keys(bundlesSources).length === 0) {
bundlesSources = null;
parsedModules = null;
logger.warn('\nNo bundles were parsed. Analyzer will show only original module sizes from stats file.\n');
}
}
const assets = bundleStats.assets.reduce((result, statAsset) => {
// If asset is a childAsset, then calculate appropriate bundle modules by looking through stats.children
const assetBundles = statAsset.isChild ? getChildAssetBundles(bundleStats, statAsset.name) : bundleStats;
const modules = assetBundles ? getBundleModules(assetBundles) : [];
const asset = result[statAsset.name] = {
size: statAsset.size
};
const assetSources = bundlesSources && Object.prototype.hasOwnProperty.call(bundlesSources, statAsset.name) ? bundlesSources[statAsset.name] : null;
if (assetSources) {
asset.parsedSize = Buffer.byteLength(assetSources.src);
asset.gzipSize = gzipSize.sync(assetSources.src);
} // Picking modules from current bundle script
let assetModules = modules.filter(statModule => assetHasModule(statAsset, statModule)); // Adding parsed sources
if (parsedModules) {
const unparsedEntryModules = [];
for (const statModule of assetModules) {
if (parsedModules[statModule.id]) {
statModule.parsedSrc = parsedModules[statModule.id];
} else if (isEntryModule(statModule)) {
unparsedEntryModules.push(statModule);
}
} // Webpack 5 changed bundle format and now entry modules are concatenated and located at the end of it.
// Because of this they basically become a concatenated module, for which we can't even precisely determine its
// parsed source as it's located in the same scope as all Webpack runtime helpers.
if (unparsedEntryModules.length && assetSources) {
if (unparsedEntryModules.length === 1) {
// So if there is only one entry we consider its parsed source to be all the bundle code excluding code
// from parsed modules.
unparsedEntryModules[0].parsedSrc = assetSources.runtimeSrc;
} else {
// If there are multiple entry points we move all of them under synthetic concatenated module.
assetModules = assetModules.filter(mod => !unparsedEntryModules.includes(mod));
assetModules.unshift({
identifier: './entry modules',
name: './entry modules',
modules: unparsedEntryModules,
size: unparsedEntryModules.reduce((totalSize, module) => totalSize + module.size, 0),
parsedSrc: assetSources.runtimeSrc
});
}
}
}
asset.modules = assetModules;
asset.tree = createModulesTree(asset.modules);
return result;
}, {});
const chunkToInitialByEntrypoint = getChunkToInitialByEntrypoint(bundleStats);
return Object.entries(assets).map(([filename, asset]) => {
var _chunkToInitialByEntr;
return {
label: filename,
isAsset: true,
// Not using `asset.size` here provided by Webpack because it can be very confusing when `UglifyJsPlugin` is used.
// In this case all module sizes from stats file will represent unminified module sizes, but `asset.size` will
// be the size of minified bundle.
// Using `asset.size` only if current asset doesn't contain any modules (resulting size equals 0)
statSize: asset.tree.size || asset.size,
parsedSize: asset.parsedSize,
gzipSize: asset.gzipSize,
groups: Object.values(asset.tree.children).map(i => i.toChartData()),
isInitialByEntrypoint: (_chunkToInitialByEntr = chunkToInitialByEntrypoint[filename]) !== null && _chunkToInitialByEntr !== void 0 ? _chunkToInitialByEntr : {}
};
});
}
function readStatsFromFile(filename) {
return parseChunked(fs.createReadStream(filename, {
encoding: 'utf8'
}));
}
function getChildAssetBundles(bundleStats, assetName) {
return flatten((bundleStats.children || []).find(c => Object.values(c.assetsByChunkName))).includes(assetName);
}
function getBundleModules(bundleStats) {
var _bundleStats$chunks;
const seenIds = new Set();
return flatten((((_bundleStats$chunks = bundleStats.chunks) === null || _bundleStats$chunks === void 0 ? void 0 : _bundleStats$chunks.map(chunk => chunk.modules)) || []).concat(bundleStats.modules).filter(Boolean)).filter(mod => {
// Filtering out Webpack's runtime modules as they don't have ids and can't be parsed (introduced in Webpack 5)
if (isRuntimeModule(mod)) {
return false;
}
if (seenIds.has(mod.id)) {
return false;
}
seenIds.add(mod.id);
return true;
});
}
function assetHasModule(statAsset, statModule) {
// Checking if this module is the part of asset chunks
return (statModule.chunks || []).some(moduleChunk => statAsset.chunks.includes(moduleChunk));
}
function isEntryModule(statModule) {
return statModule.depth === 0;
}
function isRuntimeModule(statModule) {
return statModule.moduleType === 'runtime';
}
function createModulesTree(modules) {
const root = new Folder('.');
modules.forEach(module => root.addModule(module));
root.mergeNestedFolders();
return root;
}
function getChunkToInitialByEntrypoint(bundleStats) {
if (bundleStats == null) {
return {};
}
const chunkToEntrypointInititalMap = {};
Object.values(bundleStats.entrypoints || {}).forEach(entrypoint => {
for (const asset of entrypoint.assets) {
var _chunkToEntrypointIni;
chunkToEntrypointInititalMap[asset.name] = (_chunkToEntrypointIni = chunkToEntrypointInititalMap[asset.name]) !== null && _chunkToEntrypointIni !== void 0 ? _chunkToEntrypointIni : {};
chunkToEntrypointInititalMap[asset.name][entrypoint.name] = true;
}
});
return chunkToEntrypointInititalMap;
}
;
/**
* arr-flatten <https://github.com/jonschlinkert/arr-flatten>
*
* Copyright (c) 2014-2017, Jon Schlinkert.
* Released under the MIT License.
*
* Modified by Sukka <https://skk.moe>
*
* Replace recursively flatten with one-level deep flatten to match lodash.flatten
*
* TODO: replace with Array.prototype.flat once Node.js 10 support is dropped
*/
function flatten(arr) {
if (!arr) return [];
const len = arr.length;
if (!len) return [];
let cur;
const res = [];
for (let i = 0; i < len; i++) {
cur = arr[i];
if (Array.isArray(cur)) {
res.push(...cur);
} else {
res.push(cur);
}
}
return res;
}
node_modules/webpack-bundle-analyzer/lib/bin/analyzer.js
Generated Vendored
+126
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#! /usr/bin/env node
"use strict";
const {
resolve,
dirname
} = require('path');
const commander = require('commander');
const {
magenta
} = require('picocolors');
const analyzer = require('../analyzer');
const viewer = require('../viewer');
const Logger = require('../Logger');
const utils = require('../utils');
const SIZES = new Set(['stat', 'parsed', 'gzip']);
const program = commander.version(require('../../package.json').version).usage(`<bundleStatsFile> [bundleDir] [options]
Arguments:
bundleStatsFile Path to Webpack Stats JSON file.
bundleDir Directory containing all generated bundles.
You should provided it if you want analyzer to show you the real parsed module sizes.
By default a directory of stats file is used.`).option('-m, --mode <mode>', 'Analyzer mode. Should be `server`,`static` or `json`.' + br('In `server` mode analyzer will start HTTP server to show bundle report.') + br('In `static` mode single HTML file with bundle report will be generated.') + br('In `json` mode single JSON file with bundle report will be generated.'), 'server').option( // Had to make `host` parameter optional in order to let `-h` flag output help message
// Fixes https://github.com/webpack-contrib/webpack-bundle-analyzer/issues/239
'-h, --host [host]', 'Host that will be used in `server` mode to start HTTP server.', '127.0.0.1').option('-p, --port <n>', 'Port that will be used in `server` mode to start HTTP server.', 8888).option('-r, --report <file>', 'Path to bundle report file that will be generated in `static` mode.').option('-t, --title <title>', 'String to use in title element of html report.').option('-s, --default-sizes <type>', 'Module sizes to show in treemap by default.' + br(`Possible values: ${[...SIZES].join(', ')}`), 'parsed').option('-O, --no-open', "Don't open report in default browser automatically.").option('-e, --exclude <regexp>', 'Assets that should be excluded from the report.' + br('Can be specified multiple times.'), array()).option('-l, --log-level <level>', 'Log level.' + br(`Possible values: ${[...Logger.levels].join(', ')}`), Logger.defaultLevel).parse(process.argv);
let [bundleStatsFile, bundleDir] = program.args;
let {
mode,
host,
port,
report: reportFilename,
title: reportTitle,
defaultSizes,
logLevel,
open: openBrowser,
exclude: excludeAssets
} = program.opts();
const logger = new Logger(logLevel);
if (typeof reportTitle === 'undefined') {
reportTitle = utils.defaultTitle;
}
if (!bundleStatsFile) showHelp('Provide path to Webpack Stats file as first argument');
if (mode !== 'server' && mode !== 'static' && mode !== 'json') {
showHelp('Invalid mode. Should be either `server`, `static` or `json`.');
}
if (mode === 'server') {
if (!host) showHelp('Invalid host name');
port = port === 'auto' ? 0 : Number(port);
if (isNaN(port)) showHelp('Invalid port. Should be a number or `auto`');
}
if (!SIZES.has(defaultSizes)) showHelp(`Invalid default sizes option. Possible values are: ${[...SIZES].join(', ')}`);
bundleStatsFile = resolve(bundleStatsFile);
if (!bundleDir) bundleDir = dirname(bundleStatsFile);
parseAndAnalyse(bundleStatsFile);
async function parseAndAnalyse(bundleStatsFile) {
try {
const bundleStats = await analyzer.readStatsFromFile(bundleStatsFile);
if (mode === 'server') {
viewer.startServer(bundleStats, {
openBrowser,
port,
host,
defaultSizes,
reportTitle,
bundleDir,
excludeAssets,
logger: new Logger(logLevel),
analyzerUrl: utils.defaultAnalyzerUrl
});
} else if (mode === 'static') {
viewer.generateReport(bundleStats, {
openBrowser,
reportFilename: resolve(reportFilename || 'report.html'),
reportTitle,
defaultSizes,
bundleDir,
excludeAssets,
logger: new Logger(logLevel)
});
} else if (mode === 'json') {
viewer.generateJSONReport(bundleStats, {
reportFilename: resolve(reportFilename || 'report.json'),
bundleDir,
excludeAssets,
logger: new Logger(logLevel)
});
}
} catch (err) {
logger.error(`Couldn't read webpack bundle stats from "${bundleStatsFile}":\n${err}`);
logger.debug(err.stack);
process.exit(1);
}
}
function showHelp(error) {
if (error) console.log(`\n ${magenta(error)}\n`);
program.outputHelp();
process.exit(1);
}
function br(str) {
return `\n${' '.repeat(28)}${str}`;
}
function array() {
const arr = [];
return val => {
arr.push(val);
return arr;
};
}
node_modules/webpack-bundle-analyzer/lib/index.js
Generated Vendored
+10
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"use strict";
const {
start
} = require('./viewer');
module.exports = {
start,
BundleAnalyzerPlugin: require('./BundleAnalyzerPlugin')
};
node_modules/webpack-bundle-analyzer/lib/parseUtils.js
Generated Vendored
+274
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"use strict";
const fs = require('fs');
const acorn = require('acorn');
const walk = require('acorn-walk');
module.exports = {
parseBundle
};
function parseBundle(bundlePath) {
const content = fs.readFileSync(bundlePath, 'utf8');
const ast = acorn.parse(content, {
sourceType: 'script',
// I believe in a bright future of ECMAScript!
// Actually, it's set to `2050` to support the latest ECMAScript version that currently exists.
// Seems like `acorn` supports such weird option value.
ecmaVersion: 2050
});
const walkState = {
locations: null,
expressionStatementDepth: 0
};
walk.recursive(ast, walkState, {
ExpressionStatement(node, state, c) {
if (state.locations) return;
state.expressionStatementDepth++;
if ( // Webpack 5 stores modules in the the top-level IIFE
state.expressionStatementDepth === 1 && ast.body.includes(node) && isIIFE(node)) {
const fn = getIIFECallExpression(node);
if ( // It should not contain neither arguments
fn.arguments.length === 0 && // ...nor parameters
fn.callee.params.length === 0) {
// Modules are stored in the very first variable declaration as hash
const firstVariableDeclaration = fn.callee.body.body.find(node => node.type === 'VariableDeclaration');
if (firstVariableDeclaration) {
for (const declaration of firstVariableDeclaration.declarations) {
if (declaration.init) {
state.locations = getModulesLocations(declaration.init);
if (state.locations) {
break;
}
}
}
}
}
}
if (!state.locations) {
c(node.expression, state);
}
state.expressionStatementDepth--;
},
AssignmentExpression(node, state) {
if (state.locations) return; // Modules are stored in exports.modules:
// exports.modules = {};
const {
left,
right
} = node;
if (left && left.object && left.object.name === 'exports' && left.property && left.property.name === 'modules' && isModulesHash(right)) {
state.locations = getModulesLocations(right);
}
},
CallExpression(node, state, c) {
if (state.locations) return;
const args = node.arguments; // Main chunk with webpack loader.
// Modules are stored in first argument:
// (function (...) {...})(<modules>)
if (node.callee.type === 'FunctionExpression' && !node.callee.id && args.length === 1 && isSimpleModulesList(args[0])) {
state.locations = getModulesLocations(args[0]);
return;
} // Async Webpack < v4 chunk without webpack loader.
// webpackJsonp([<chunks>], <modules>, ...)
// As function name may be changed with `output.jsonpFunction` option we can't rely on it's default name.
if (node.callee.type === 'Identifier' && mayBeAsyncChunkArguments(args) && isModulesList(args[1])) {
state.locations = getModulesLocations(args[1]);
return;
} // Async Webpack v4 chunk without webpack loader.
// (window.webpackJsonp=window.webpackJsonp||[]).push([[<chunks>], <modules>, ...]);
// As function name may be changed with `output.jsonpFunction` option we can't rely on it's default name.
if (isAsyncChunkPushExpression(node)) {
state.locations = getModulesLocations(args[0].elements[1]);
return;
} // Webpack v4 WebWorkerChunkTemplatePlugin
// globalObject.chunkCallbackName([<chunks>],<modules>, ...);
// Both globalObject and chunkCallbackName can be changed through the config, so we can't check them.
if (isAsyncWebWorkerChunkExpression(node)) {
state.locations = getModulesLocations(args[1]);
return;
} // Walking into arguments because some of plugins (e.g. `DedupePlugin`) or some Webpack
// features (e.g. `umd` library output) can wrap modules list into additional IIFE.
args.forEach(arg => c(arg, state));
}
});
const modules = {};
if (walkState.locations) {
Object.entries(walkState.locations).forEach(([id, loc]) => {
modules[id] = content.slice(loc.start, loc.end);
});
}
return {
modules,
src: content,
runtimeSrc: getBundleRuntime(content, walkState.locations)
};
}
/**
* Returns bundle source except modules
*/
function getBundleRuntime(content, modulesLocations) {
const sortedLocations = Object.values(modulesLocations || {}).sort((a, b) => a.start - b.start);
let result = '';
let lastIndex = 0;
for (const {
start,
end
} of sortedLocations) {
result += content.slice(lastIndex, start);
lastIndex = end;
}
return result + content.slice(lastIndex, content.length);
}
function isIIFE(node) {
return node.type === 'ExpressionStatement' && (node.expression.type === 'CallExpression' || node.expression.type === 'UnaryExpression' && node.expression.argument.type === 'CallExpression');
}
function getIIFECallExpression(node) {
if (node.expression.type === 'UnaryExpression') {
return node.expression.argument;
} else {
return node.expression;
}
}
function isModulesList(node) {
return isSimpleModulesList(node) || // Modules are contained in expression `Array([minimum ID]).concat([<module>, <module>, ...])`
isOptimizedModulesArray(node);
}
function isSimpleModulesList(node) {
return (// Modules are contained in hash. Keys are module ids.
isModulesHash(node) || // Modules are contained in array. Indexes are module ids.
isModulesArray(node)
);
}
function isModulesHash(node) {
return node.type === 'ObjectExpression' && node.properties.map(node => node.value).every(isModuleWrapper);
}
function isModulesArray(node) {
return node.type === 'ArrayExpression' && node.elements.every(elem => // Some of array items may be skipped because there is no module with such id
!elem || isModuleWrapper(elem));
}
function isOptimizedModulesArray(node) {
// Checking whether modules are contained in `Array(<minimum ID>).concat(...modules)` array:
// https://github.com/webpack/webpack/blob/v1.14.0/lib/Template.js#L91
// The `<minimum ID>` + array indexes are module ids
return node.type === 'CallExpression' && node.callee.type === 'MemberExpression' && // Make sure the object called is `Array(<some number>)`
node.callee.object.type === 'CallExpression' && node.callee.object.callee.type === 'Identifier' && node.callee.object.callee.name === 'Array' && node.callee.object.arguments.length === 1 && isNumericId(node.callee.object.arguments[0]) && // Make sure the property X called for `Array(<some number>).X` is `concat`
node.callee.property.type === 'Identifier' && node.callee.property.name === 'concat' && // Make sure exactly one array is passed in to `concat`
node.arguments.length === 1 && isModulesArray(node.arguments[0]);
}
function isModuleWrapper(node) {
return (// It's an anonymous function expression that wraps module
(node.type === 'FunctionExpression' || node.type === 'ArrowFunctionExpression') && !node.id || // If `DedupePlugin` is used it can be an ID of duplicated module...
isModuleId(node) || // or an array of shape [<module_id>, ...args]
node.type === 'ArrayExpression' && node.elements.length > 1 && isModuleId(node.elements[0])
);
}
function isModuleId(node) {
return node.type === 'Literal' && (isNumericId(node) || typeof node.value === 'string');
}
function isNumericId(node) {
return node.type === 'Literal' && Number.isInteger(node.value) && node.value >= 0;
}
function isChunkIds(node) {
// Array of numeric or string ids. Chunk IDs are strings when NamedChunksPlugin is used
return node.type === 'ArrayExpression' && node.elements.every(isModuleId);
}
function isAsyncChunkPushExpression(node) {
const {
callee,
arguments: args
} = node;
return callee.type === 'MemberExpression' && callee.property.name === 'push' && callee.object.type === 'AssignmentExpression' && args.length === 1 && args[0].type === 'ArrayExpression' && mayBeAsyncChunkArguments(args[0].elements) && isModulesList(args[0].elements[1]);
}
function mayBeAsyncChunkArguments(args) {
return args.length >= 2 && isChunkIds(args[0]);
}
function isAsyncWebWorkerChunkExpression(node) {
const {
callee,
type,
arguments: args
} = node;
return type === 'CallExpression' && callee.type === 'MemberExpression' && args.length === 2 && isChunkIds(args[0]) && isModulesList(args[1]);
}
function getModulesLocations(node) {
if (node.type === 'ObjectExpression') {
// Modules hash
const modulesNodes = node.properties;
return modulesNodes.reduce((result, moduleNode) => {
const moduleId = moduleNode.key.name || moduleNode.key.value;
result[moduleId] = getModuleLocation(moduleNode.value);
return result;
}, {});
}
const isOptimizedArray = node.type === 'CallExpression';
if (node.type === 'ArrayExpression' || isOptimizedArray) {
// Modules array or optimized array
const minId = isOptimizedArray ? // Get the [minId] value from the Array() call first argument literal value
node.callee.object.arguments[0].value : // `0` for simple array
0;
const modulesNodes = isOptimizedArray ? // The modules reside in the `concat()` function call arguments
node.arguments[0].elements : node.elements;
return modulesNodes.reduce((result, moduleNode, i) => {
if (moduleNode) {
result[i + minId] = getModuleLocation(moduleNode);
}
return result;
}, {});
}
return {};
}
function getModuleLocation(node) {
return {
start: node.start,
end: node.end
};
}
node_modules/webpack-bundle-analyzer/lib/statsUtils.js
Generated Vendored
+90
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"use strict";
const {
createWriteStream
} = require('fs');
const {
Readable
} = require('stream');
class StatsSerializeStream extends Readable {
constructor(stats) {
super();
this._indentLevel = 0;
this._stringifier = this._stringify(stats);
}
get _indent() {
return ' '.repeat(this._indentLevel);
}
_read() {
let readMore = true;
while (readMore) {
const {
value,
done
} = this._stringifier.next();
if (done) {
this.push(null);
readMore = false;
} else {
readMore = this.push(value);
}
}
}
*_stringify(obj) {
if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || obj === null) {
yield JSON.stringify(obj);
} else if (Array.isArray(obj)) {
yield '[';
this._indentLevel++;
let isFirst = true;
for (let item of obj) {
if (item === undefined) {
item = null;
}
yield `${isFirst ? '' : ','}\n${this._indent}`;
yield* this._stringify(item);
isFirst = false;
}
this._indentLevel--;
yield obj.length ? `\n${this._indent}]` : ']';
} else {
yield '{';
this._indentLevel++;
let isFirst = true;
const entries = Object.entries(obj);
for (const [itemKey, itemValue] of entries) {
if (itemValue === undefined) {
continue;
}
yield `${isFirst ? '' : ','}\n${this._indent}${JSON.stringify(itemKey)}: `;
yield* this._stringify(itemValue);
isFirst = false;
}
this._indentLevel--;
yield entries.length ? `\n${this._indent}}` : '}';
}
}
}
exports.StatsSerializeStream = StatsSerializeStream;
exports.writeStats = writeStats;
async function writeStats(stats, filepath) {
return new Promise((resolve, reject) => {
new StatsSerializeStream(stats).on('end', resolve).on('error', reject).pipe(createWriteStream(filepath));
});
}
node_modules/webpack-bundle-analyzer/lib/template.js
Generated Vendored
+77
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"use strict";
/* eslint-disable max-len */
const path = require('path');
const fs = require('fs');
const {
escape
} = require('html-escaper');
const projectRoot = path.resolve(__dirname, '..');
const assetsRoot = path.join(projectRoot, 'public');
exports.renderViewer = renderViewer;
/**
* Escapes `<` characters in JSON to safely use it in `<script>` tag.
*/
function escapeJson(json) {
return JSON.stringify(json).replace(/</gu, '\\u003c');
}
function getAssetContent(filename) {
const assetPath = path.join(assetsRoot, filename);
if (!assetPath.startsWith(assetsRoot)) {
throw new Error(`"${filename}" is outside of the assets root`);
}
return fs.readFileSync(assetPath, 'utf8');
}
function html(strings, ...values) {
return strings.map((string, index) => `${string}${values[index] || ''}`).join('');
}
function getScript(filename, mode) {
if (mode === 'static') {
return `<!-- ${escape(filename)} -->
<script>${getAssetContent(filename)}</script>`;
} else {
return `<script src="${escape(filename)}"></script>`;
}
}
function renderViewer({
title,
enableWebSocket,
chartData,
entrypoints,
defaultSizes,
mode
} = {}) {
return html`<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>${escape(title)}</title>
<link rel="shortcut icon" href="data:image/png;base64,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" type="image/x-icon" />
<script>
window.enableWebSocket = ${escapeJson(enableWebSocket)};
</script>
${getScript('viewer.js', mode)}
</head>
<body>
<div id="app"></div>
<script>
window.chartData = ${escapeJson(chartData)};
window.entrypoints = ${escapeJson(entrypoints)};
window.defaultSizes = ${escapeJson(defaultSizes)};
</script>
</body>
</html>`;
}
node_modules/webpack-bundle-analyzer/lib/tree/BaseFolder.js
Generated Vendored
+125
View File
@@ -0,0 +1,125 @@
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _Node = _interopRequireDefault(require("./Node"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
class BaseFolder extends _Node.default {
constructor(name, parent) {
super(name, parent);
this.children = Object.create(null);
}
get src() {
if (!Object.prototype.hasOwnProperty.call(this, '_src')) {
this._src = this.walk((node, src) => src += node.src || '', '', false);
}
return this._src;
}
get size() {
if (!Object.prototype.hasOwnProperty.call(this, '_size')) {
this._size = this.walk((node, size) => size + node.size, 0, false);
}
return this._size;
}
getChild(name) {
return this.children[name];
}
addChildModule(module) {
const {
name
} = module;
const currentChild = this.children[name]; // For some reason we already have this node in children and it's a folder.
if (currentChild && currentChild instanceof BaseFolder) return;
if (currentChild) {
// We already have this node in children and it's a module.
// Merging it's data.
currentChild.mergeData(module.data);
} else {
// Pushing new module
module.parent = this;
this.children[name] = module;
}
delete this._size;
delete this._src;
}
addChildFolder(folder) {
folder.parent = this;
this.children[folder.name] = folder;
delete this._size;
delete this._src;
return folder;
}
walk(walker, state = {}, deep = true) {
let stopped = false;
Object.values(this.children).forEach(child => {
if (deep && child.walk) {
state = child.walk(walker, state, stop);
} else {
state = walker(child, state, stop);
}
if (stopped) return false;
});
return state;
function stop(finalState) {
stopped = true;
return finalState;
}
}
mergeNestedFolders() {
if (!this.isRoot) {
let childNames;
while ((childNames = Object.keys(this.children)).length === 1) {
const childName = childNames[0];
const onlyChild = this.children[childName];
if (onlyChild instanceof this.constructor) {
this.name += `/${onlyChild.name}`;
this.children = onlyChild.children;
} else {
break;
}
}
}
this.walk(child => {
child.parent = this;
if (child.mergeNestedFolders) {
child.mergeNestedFolders();
}
}, null, false);
}
toChartData() {
return {
label: this.name,
path: this.path,
statSize: this.size,
groups: Object.values(this.children).map(child => child.toChartData())
};
}
}
exports.default = BaseFolder;
;
node_modules/webpack-bundle-analyzer/lib/tree/ConcatenatedModule.js
Generated Vendored
+106
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@@ -0,0 +1,106 @@
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _Module = _interopRequireDefault(require("./Module"));
var _ContentModule = _interopRequireDefault(require("./ContentModule"));
var _ContentFolder = _interopRequireDefault(require("./ContentFolder"));
var _utils = require("./utils");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
class ConcatenatedModule extends _Module.default {
constructor(name, data, parent) {
super(name, data, parent);
this.name += ' (concatenated)';
this.children = Object.create(null);
this.fillContentModules();
}
get parsedSize() {
var _this$getParsedSize;
return (_this$getParsedSize = this.getParsedSize()) !== null && _this$getParsedSize !== void 0 ? _this$getParsedSize : this.getEstimatedSize('parsedSize');
}
get gzipSize() {
var _this$getGzipSize;
return (_this$getGzipSize = this.getGzipSize()) !== null && _this$getGzipSize !== void 0 ? _this$getGzipSize : this.getEstimatedSize('gzipSize');
}
getEstimatedSize(sizeType) {
const parentModuleSize = this.parent[sizeType];
if (parentModuleSize !== undefined) {
return Math.floor(this.size / this.parent.size * parentModuleSize);
}
}
fillContentModules() {
this.data.modules.forEach(moduleData => this.addContentModule(moduleData));
}
addContentModule(moduleData) {
const pathParts = (0, _utils.getModulePathParts)(moduleData);
if (!pathParts) {
return;
}
const [folders, fileName] = [pathParts.slice(0, -1), pathParts[pathParts.length - 1]];
let currentFolder = this;
folders.forEach(folderName => {
let childFolder = currentFolder.getChild(folderName);
if (!childFolder) {
childFolder = currentFolder.addChildFolder(new _ContentFolder.default(folderName, this));
}
currentFolder = childFolder;
});
const ModuleConstructor = moduleData.modules ? ConcatenatedModule : _ContentModule.default;
const module = new ModuleConstructor(fileName, moduleData, this);
currentFolder.addChildModule(module);
}
getChild(name) {
return this.children[name];
}
addChildModule(module) {
module.parent = this;
this.children[module.name] = module;
}
addChildFolder(folder) {
folder.parent = this;
this.children[folder.name] = folder;
return folder;
}
mergeNestedFolders() {
Object.values(this.children).forEach(child => {
if (child.mergeNestedFolders) {
child.mergeNestedFolders();
}
});
}
toChartData() {
return { ...super.toChartData(),
concatenated: true,
groups: Object.values(this.children).map(child => child.toChartData())
};
}
}
exports.default = ConcatenatedModule;
;
node_modules/webpack-bundle-analyzer/lib/tree/ContentFolder.js
Generated Vendored
+45
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@@ -0,0 +1,45 @@
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _BaseFolder = _interopRequireDefault(require("./BaseFolder"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
class ContentFolder extends _BaseFolder.default {
constructor(name, ownerModule, parent) {
super(name, parent);
this.ownerModule = ownerModule;
}
get parsedSize() {
return this.getSize('parsedSize');
}
get gzipSize() {
return this.getSize('gzipSize');
}
getSize(sizeType) {
const ownerModuleSize = this.ownerModule[sizeType];
if (ownerModuleSize !== undefined) {
return Math.floor(this.size / this.ownerModule.size * ownerModuleSize);
}
}
toChartData() {
return { ...super.toChartData(),
parsedSize: this.parsedSize,
gzipSize: this.gzipSize,
inaccurateSizes: true
};
}
}
exports.default = ContentFolder;
;
node_modules/webpack-bundle-analyzer/lib/tree/ContentModule.js
Generated Vendored
+43
View File
@@ -0,0 +1,43 @@
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _Module = _interopRequireDefault(require("./Module"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
class ContentModule extends _Module.default {
constructor(name, data, ownerModule, parent) {
super(name, data, parent);
this.ownerModule = ownerModule;
}
get parsedSize() {
return this.getSize('parsedSize');
}
get gzipSize() {
return this.getSize('gzipSize');
}
getSize(sizeType) {
const ownerModuleSize = this.ownerModule[sizeType];
if (ownerModuleSize !== undefined) {
return Math.floor(this.size / this.ownerModule.size * ownerModuleSize);
}
}
toChartData() {
return { ...super.toChartData(),
inaccurateSizes: true
};
}
}
exports.default = ContentModule;
;
node_modules/webpack-bundle-analyzer/lib/tree/Folder.js
Generated Vendored
+71
View File
@@ -0,0 +1,71 @@
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _gzipSize = _interopRequireDefault(require("gzip-size"));
var _Module = _interopRequireDefault(require("./Module"));
var _BaseFolder = _interopRequireDefault(require("./BaseFolder"));
var _ConcatenatedModule = _interopRequireDefault(require("./ConcatenatedModule"));
var _utils = require("./utils");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
class Folder extends _BaseFolder.default {
get parsedSize() {
return this.src ? this.src.length : 0;
}
get gzipSize() {
if (!Object.prototype.hasOwnProperty.call(this, '_gzipSize')) {
this._gzipSize = this.src ? _gzipSize.default.sync(this.src) : 0;
}
return this._gzipSize;
}
addModule(moduleData) {
const pathParts = (0, _utils.getModulePathParts)(moduleData);
if (!pathParts) {
return;
}
const [folders, fileName] = [pathParts.slice(0, -1), pathParts[pathParts.length - 1]];
let currentFolder = this;
folders.forEach(folderName => {
let childNode = currentFolder.getChild(folderName);
if ( // Folder is not created yet
!childNode || // In some situations (invalid usage of dynamic `require()`) webpack generates a module with empty require
// context, but it's moduleId points to a directory in filesystem.
// In this case we replace this `File` node with `Folder`.
// See `test/stats/with-invalid-dynamic-require.json` as an example.
!(childNode instanceof Folder)) {
childNode = currentFolder.addChildFolder(new Folder(folderName));
}
currentFolder = childNode;
});
const ModuleConstructor = moduleData.modules ? _ConcatenatedModule.default : _Module.default;
const module = new ModuleConstructor(fileName, moduleData, this);
currentFolder.addChildModule(module);
}
toChartData() {
return { ...super.toChartData(),
parsedSize: this.parsedSize,
gzipSize: this.gzipSize
};
}
}
exports.default = Folder;
;
node_modules/webpack-bundle-analyzer/lib/tree/Module.js
Generated Vendored
+81
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@@ -0,0 +1,81 @@
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _gzipSize = _interopRequireDefault(require("gzip-size"));
var _Node = _interopRequireDefault(require("./Node"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
class Module extends _Node.default {
constructor(name, data, parent) {
super(name, parent);
this.data = data;
}
get src() {
return this.data.parsedSrc;
}
set src(value) {
this.data.parsedSrc = value;
delete this._gzipSize;
}
get size() {
return this.data.size;
}
set size(value) {
this.data.size = value;
}
get parsedSize() {
return this.getParsedSize();
}
get gzipSize() {
return this.getGzipSize();
}
getParsedSize() {
return this.src ? this.src.length : undefined;
}
getGzipSize() {
if (!('_gzipSize' in this)) {
this._gzipSize = this.src ? _gzipSize.default.sync(this.src) : undefined;
}
return this._gzipSize;
}
mergeData(data) {
if (data.size) {
this.size += data.size;
}
if (data.parsedSrc) {
this.src = (this.src || '') + data.parsedSrc;
}
}
toChartData() {
return {
id: this.data.id,
label: this.name,
path: this.path,
statSize: this.size,
parsedSize: this.parsedSize,
gzipSize: this.gzipSize
};
}
}
exports.default = Module;
;
node_modules/webpack-bundle-analyzer/lib/tree/Node.js
Generated Vendored
+33
View File
@@ -0,0 +1,33 @@
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
class Node {
constructor(name, parent) {
this.name = name;
this.parent = parent;
}
get path() {
const path = [];
let node = this;
while (node) {
path.push(node.name);
node = node.parent;
}
return path.reverse().join('/');
}
get isRoot() {
return !this.parent;
}
}
exports.default = Node;
;
node_modules/webpack-bundle-analyzer/lib/tree/utils.js
Generated Vendored
+21
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@@ -0,0 +1,21 @@
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getModulePathParts = getModulePathParts;
const MULTI_MODULE_REGEXP = /^multi /u;
function getModulePathParts(moduleData) {
if (MULTI_MODULE_REGEXP.test(moduleData.identifier)) {
return [moduleData.identifier];
}
const loaders = moduleData.name.split('!'); // Removing loaders from module path: they're joined by `!` and the last part is a raw module path
const parsedPath = loaders[loaders.length - 1] // Splitting module path into parts
.split('/') // Removing first `.`
.slice(1) // Replacing `~` with `node_modules`
.map(part => part === '~' ? 'node_modules' : part);
return parsedPath.length ? parsedPath : null;
}
node_modules/webpack-bundle-analyzer/lib/utils.js
Generated Vendored
+73
View File
@@ -0,0 +1,73 @@
"use strict";
const {
inspect,
types
} = require('util');
const opener = require('opener');
const MONTHS = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
exports.createAssetsFilter = createAssetsFilter;
function createAssetsFilter(excludePatterns) {
const excludeFunctions = (Array.isArray(excludePatterns) ? excludePatterns : [excludePatterns]).filter(Boolean).map(pattern => {
if (typeof pattern === 'string') {
pattern = new RegExp(pattern, 'u');
}
if (types.isRegExp(pattern)) {
return asset => pattern.test(asset);
}
if (typeof pattern !== 'function') {
throw new TypeError(`Pattern should be either string, RegExp or a function, but "${inspect(pattern, {
depth: 0
})}" got.`);
}
return pattern;
});
if (excludeFunctions.length) {
return asset => excludeFunctions.every(fn => fn(asset) !== true);
} else {
return () => true;
}
}
/**
* @desc get string of current time
* format: dd/MMM HH:mm
* */
exports.defaultTitle = function () {
const time = new Date();
const year = time.getFullYear();
const month = MONTHS[time.getMonth()];
const day = time.getDate();
const hour = `0${time.getHours()}`.slice(-2);
const minute = `0${time.getMinutes()}`.slice(-2);
const currentTime = `${day} ${month} ${year} at ${hour}:${minute}`;
return `${process.env.npm_package_name || 'Webpack Bundle Analyzer'} [${currentTime}]`;
};
exports.defaultAnalyzerUrl = function (options) {
const {
listenHost,
boundAddress
} = options;
return `http://${listenHost}:${boundAddress.port}`;
};
/**
* Calls opener on a URI, but silently try / catches it.
*/
exports.open = function (uri, logger) {
try {
opener(uri);
} catch (err) {
logger.debug(`Opener failed to open "${uri}":\n${err}`);
}
};
node_modules/webpack-bundle-analyzer/lib/viewer.js
Generated Vendored
+220
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@@ -0,0 +1,220 @@
"use strict";
const path = require('path');
const fs = require('fs');
const http = require('http');
const WebSocket = require('ws');
const sirv = require('sirv');
const {
bold
} = require('picocolors');
const Logger = require('./Logger');
const analyzer = require('./analyzer');
const {
open
} = require('./utils');
const {
renderViewer
} = require('./template');
const projectRoot = path.resolve(__dirname, '..');
function resolveTitle(reportTitle) {
if (typeof reportTitle === 'function') {
return reportTitle();
} else {
return reportTitle;
}
}
module.exports = {
startServer,
generateReport,
generateJSONReport,
getEntrypoints,
// deprecated
start: startServer
};
async function startServer(bundleStats, opts) {
const {
port = 8888,
host = '127.0.0.1',
openBrowser = true,
bundleDir = null,
logger = new Logger(),
defaultSizes = 'parsed',
excludeAssets = null,
reportTitle,
analyzerUrl
} = opts || {};
const analyzerOpts = {
logger,
excludeAssets
};
let chartData = getChartData(analyzerOpts, bundleStats, bundleDir);
const entrypoints = getEntrypoints(bundleStats);
if (!chartData) return;
const sirvMiddleware = sirv(`${projectRoot}/public`, {
// disables caching and traverse the file system on every request
dev: true
});
const server = http.createServer((req, res) => {
if (req.method === 'GET' && req.url === '/') {
const html = renderViewer({
mode: 'server',
title: resolveTitle(reportTitle),
chartData,
entrypoints,
defaultSizes,
enableWebSocket: true
});
res.writeHead(200, {
'Content-Type': 'text/html'
});
res.end(html);
} else {
sirvMiddleware(req, res);
}
});
await new Promise(resolve => {
server.listen(port, host, () => {
resolve();
const url = analyzerUrl({
listenPort: port,
listenHost: host,
boundAddress: server.address()
});
logger.info(`${bold('Webpack Bundle Analyzer')} is started at ${bold(url)}\n` + `Use ${bold('Ctrl+C')} to close it`);
if (openBrowser) {
open(url, logger);
}
});
});
const wss = new WebSocket.Server({
server
});
wss.on('connection', ws => {
ws.on('error', err => {
// Ignore network errors like `ECONNRESET`, `EPIPE`, etc.
if (err.errno) return;
logger.info(err.message);
});
});
return {
ws: wss,
http: server,
updateChartData
};
function updateChartData(bundleStats) {
const newChartData = getChartData(analyzerOpts, bundleStats, bundleDir);
if (!newChartData) return;
chartData = newChartData;
wss.clients.forEach(client => {
if (client.readyState === WebSocket.OPEN) {
client.send(JSON.stringify({
event: 'chartDataUpdated',
data: newChartData
}));
}
});
}
}
async function generateReport(bundleStats, opts) {
const {
openBrowser = true,
reportFilename,
reportTitle,
bundleDir = null,
logger = new Logger(),
defaultSizes = 'parsed',
excludeAssets = null
} = opts || {};
const chartData = getChartData({
logger,
excludeAssets
}, bundleStats, bundleDir);
const entrypoints = getEntrypoints(bundleStats);
if (!chartData) return;
const reportHtml = renderViewer({
mode: 'static',
title: resolveTitle(reportTitle),
chartData,
entrypoints,
defaultSizes,
enableWebSocket: false
});
const reportFilepath = path.resolve(bundleDir || process.cwd(), reportFilename);
fs.mkdirSync(path.dirname(reportFilepath), {
recursive: true
});
fs.writeFileSync(reportFilepath, reportHtml);
logger.info(`${bold('Webpack Bundle Analyzer')} saved report to ${bold(reportFilepath)}`);
if (openBrowser) {
open(`file://${reportFilepath}`, logger);
}
}
async function generateJSONReport(bundleStats, opts) {
const {
reportFilename,
bundleDir = null,
logger = new Logger(),
excludeAssets = null
} = opts || {};
const chartData = getChartData({
logger,
excludeAssets
}, bundleStats, bundleDir);
if (!chartData) return;
await fs.promises.mkdir(path.dirname(reportFilename), {
recursive: true
});
await fs.promises.writeFile(reportFilename, JSON.stringify(chartData));
logger.info(`${bold('Webpack Bundle Analyzer')} saved JSON report to ${bold(reportFilename)}`);
}
function getChartData(analyzerOpts, ...args) {
let chartData;
const {
logger
} = analyzerOpts;
try {
chartData = analyzer.getViewerData(...args, analyzerOpts);
} catch (err) {
logger.error(`Could't analyze webpack bundle:\n${err}`);
logger.debug(err.stack);
chartData = null;
} // chartData can either be an array (bundleInfo[]) or null. It can't be an plain object anyway
if ( // analyzer.getViewerData() doesn't failed in the previous step
chartData && !Array.isArray(chartData)) {
logger.error("Could't find any javascript bundles in provided stats file");
chartData = null;
}
return chartData;
}
function getEntrypoints(bundleStats) {
if (bundleStats === null || bundleStats === undefined || !bundleStats.entrypoints) {
return [];
}
return Object.values(bundleStats.entrypoints).map(entrypoint => entrypoint.name);
}
node_modules/webpack-bundle-analyzer/node_modules/.bin/acorn
Generated Vendored
+16
View File
@@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../acorn/bin/acorn" "$@"
else
exec node "$basedir/../acorn/bin/acorn" "$@"
fi
node_modules/webpack-bundle-analyzer/node_modules/.bin/acorn.cmd
Generated Vendored
+17
View File
@@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\acorn\bin\acorn" %*
node_modules/webpack-bundle-analyzer/node_modules/.bin/acorn.ps1
Generated Vendored
+28
View File
@@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args
} else {
& "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../acorn/bin/acorn" $args
} else {
& "node$exe" "$basedir/../acorn/bin/acorn" $args
}
$ret=$LASTEXITCODE
}
exit $ret
node_modules/webpack-bundle-analyzer/node_modules/acorn/CHANGELOG.md
Generated Vendored
+972
View File
@@ -0,0 +1,972 @@
## 8.16.0 (2026-02-19)
### New features
The `sourceType` option can now be set to `"commonjs"` to have the parser treat the top level scope as a function scope.
Add support for Unicode 17.
### Bug fixes
Don't recognize `await using` as contextual keywords when followed directly by a backslash.
Fix an issue where the parser would allow `return` statements in `static` blocks when `allowReturnOutsideFunction` was enabled.
Properly reject `using` declarations that appear directly in `switch` or `for` head scopes.
Fix some corner case issues in the recognition of `using` syntax.
## 8.15.0 (2025-06-08)
### New features
Support `using` and `await using` syntax.
The `AnyNode` type is now defined in such a way that plugins can extend it.
### Bug fixes
Fix an issue where the `bigint` property of literal nodes for non-decimal bigints had the wrong format.
The `acorn` CLI tool no longer crashes when emitting a tree that contains a bigint.
## 8.14.1 (2025-03-05)
### Bug fixes
Fix an issue where `await` expressions in class field initializers were inappropriately allowed.
Properly allow await inside an async arrow function inside a class field initializer.
Mention the source file name in syntax error messages when given.
Properly add an empty `attributes` property to every form of `ExportNamedDeclaration`.
## 8.14.0 (2024-10-27)
### New features
Support ES2025 import attributes.
Support ES2025 RegExp modifiers.
### Bug fixes
Support some missing Unicode properties.
## 8.13.0 (2024-10-16)
### New features
Upgrade to Unicode 16.0.
## 8.12.1 (2024-07-03)
### Bug fixes
Fix a regression that caused Acorn to no longer run on Node versions <8.10.
## 8.12.0 (2024-06-14)
### New features
Support ES2025 duplicate capture group names in regular expressions.
### Bug fixes
Include `VariableDeclarator` in the `AnyNode` type so that walker objects can refer to it without getting a type error.
Properly raise a parse error for invalid `for`/`of` statements using `async` as binding name.
Properly recognize \"use strict\" when preceded by a string with an escaped newline.
Mark the `Parser` constructor as protected, not private, so plugins can extend it without type errors.
Fix a bug where some invalid `delete` expressions were let through when the operand was parenthesized and `preserveParens` was enabled.
Properly normalize line endings in raw strings of invalid template tokens.
Properly track line numbers for escaped newlines in strings.
Fix a bug that broke line number accounting after a template literal with invalid escape sequences.
## 8.11.3 (2023-12-29)
### Bug fixes
Add `Function` and `Class` to the `AggregateType` type, so that they can be used in walkers without raising a type error.
Make sure `onToken` get an `import` keyword token when parsing `import.meta`.
Fix a bug where `.loc.start` could be undefined for `new.target` `meta` nodes.
## 8.11.2 (2023-10-27)
### Bug fixes
Fix a bug that caused regular expressions after colon tokens to not be properly tokenized in some circumstances.
## 8.11.1 (2023-10-26)
### Bug fixes
Fix a regression where `onToken` would receive 'name' tokens for 'new' keyword tokens.
## 8.11.0 (2023-10-26)
### Bug fixes
Fix an issue where tokenizing (without parsing) an object literal with a property named `class` or `function` could, in some circumstance, put the tokenizer into an invalid state.
Fix an issue where a slash after a call to a propery named the same as some keywords would be tokenized as a regular expression.
### New features
Upgrade to Unicode 15.1.
Use a set of new, much more precise, TypeScript types.
## 8.10.0 (2023-07-05)
### New features
Add a `checkPrivateFields` option that disables strict checking of private property use.
## 8.9.0 (2023-06-16)
### Bug fixes
Forbid dynamic import after `new`, even when part of a member expression.
### New features
Add Unicode properties for ES2023.
Add support for the `v` flag to regular expressions.
## 8.8.2 (2023-01-23)
### Bug fixes
Fix a bug that caused `allowHashBang` to be set to false when not provided, even with `ecmaVersion >= 14`.
Fix an exception when passing no option object to `parse` or `new Parser`.
Fix incorrect parse error on `if (0) let\n[astral identifier char]`.
## 8.8.1 (2022-10-24)
### Bug fixes
Make type for `Comment` compatible with estree types.
## 8.8.0 (2022-07-21)
### Bug fixes
Allow parentheses around spread args in destructuring object assignment.
Fix an issue where the tree contained `directive` properties in when parsing with a language version that doesn't support them.
### New features
Support hashbang comments by default in ECMAScript 2023 and later.
## 8.7.1 (2021-04-26)
### Bug fixes
Stop handling `"use strict"` directives in ECMAScript versions before 5.
Fix an issue where duplicate quoted export names in `export *` syntax were incorrectly checked.
Add missing type for `tokTypes`.
## 8.7.0 (2021-12-27)
### New features
Support quoted export names.
Upgrade to Unicode 14.
Add support for Unicode 13 properties in regular expressions.
### Bug fixes
Use a loop to find line breaks, because the existing regexp search would overrun the end of the searched range and waste a lot of time in minified code.
## 8.6.0 (2021-11-18)
### Bug fixes
Fix a bug where an object literal with multiple `__proto__` properties would incorrectly be accepted if a later property value held an assigment.
### New features
Support class private fields with the `in` operator.
## 8.5.0 (2021-09-06)
### Bug fixes
Improve context-dependent tokenization in a number of corner cases.
Fix location tracking after a 0x2028 or 0x2029 character in a string literal (which before did not increase the line number).
Fix an issue where arrow function bodies in for loop context would inappropriately consume `in` operators.
Fix wrong end locations stored on SequenceExpression nodes.
Implement restriction that `for`/`of` loop LHS can't start with `let`.
### New features
Add support for ES2022 class static blocks.
Allow multiple input files to be passed to the CLI tool.
## 8.4.1 (2021-06-24)
### Bug fixes
Fix a bug where `allowAwaitOutsideFunction` would allow `await` in class field initializers, and setting `ecmaVersion` to 13 or higher would allow top-level await in non-module sources.
## 8.4.0 (2021-06-11)
### New features
A new option, `allowSuperOutsideMethod`, can be used to suppress the error when `super` is used in the wrong context.
## 8.3.0 (2021-05-31)
### New features
Default `allowAwaitOutsideFunction` to true for ECMAScript 2022 an higher.
Add support for the `d` ([indices](https://github.com/tc39/proposal-regexp-match-indices)) regexp flag.
## 8.2.4 (2021-05-04)
### Bug fixes
Fix spec conformity in corner case 'for await (async of ...)'.
## 8.2.3 (2021-05-04)
### Bug fixes
Fix an issue where the library couldn't parse 'for (async of ...)'.
Fix a bug in UTF-16 decoding that would read characters incorrectly in some circumstances.
## 8.2.2 (2021-04-29)
### Bug fixes
Fix a bug where a class field initialized to an async arrow function wouldn't allow await inside it. Same issue existed for generator arrow functions with yield.
## 8.2.1 (2021-04-24)
### Bug fixes
Fix a regression introduced in 8.2.0 where static or async class methods with keyword names fail to parse.
## 8.2.0 (2021-04-24)
### New features
Add support for ES2022 class fields and private methods.
## 8.1.1 (2021-04-12)
### Various
Stop shipping source maps in the NPM package.
## 8.1.0 (2021-03-09)
### Bug fixes
Fix a spurious error in nested destructuring arrays.
### New features
Expose `allowAwaitOutsideFunction` in CLI interface.
Make `allowImportExportAnywhere` also apply to `import.meta`.
## 8.0.5 (2021-01-25)
### Bug fixes
Adjust package.json to work with Node 12.16.0 and 13.0-13.6.
## 8.0.4 (2020-10-05)
### Bug fixes
Make `await x ** y` an error, following the spec.
Fix potentially exponential regular expression.
## 8.0.3 (2020-10-02)
### Bug fixes
Fix a wasteful loop during `Parser` creation when setting `ecmaVersion` to `"latest"`.
## 8.0.2 (2020-09-30)
### Bug fixes
Make the TypeScript types reflect the current allowed values for `ecmaVersion`.
Fix another regexp/division tokenizer issue.
## 8.0.1 (2020-08-12)
### Bug fixes
Provide the correct value in the `version` export.
## 8.0.0 (2020-08-12)
### Bug fixes
Disallow expressions like `(a = b) = c`.
Make non-octal escape sequences a syntax error in strict mode.
### New features
The package can now be loaded directly as an ECMAScript module in node 13+.
Update to the set of Unicode properties from ES2021.
### Breaking changes
The `ecmaVersion` option is now required. For the moment, omitting it will still work with a warning, but that will change in a future release.
Some changes to method signatures that may be used by plugins.
## 7.4.0 (2020-08-03)
### New features
Add support for logical assignment operators.
Add support for numeric separators.
## 7.3.1 (2020-06-11)
### Bug fixes
Make the string in the `version` export match the actual library version.
## 7.3.0 (2020-06-11)
### Bug fixes
Fix a bug that caused parsing of object patterns with a property named `set` that had a default value to fail.
### New features
Add support for optional chaining (`?.`).
## 7.2.0 (2020-05-09)
### Bug fixes
Fix precedence issue in parsing of async arrow functions.
### New features
Add support for nullish coalescing.
Add support for `import.meta`.
Support `export * as ...` syntax.
Upgrade to Unicode 13.
## 6.4.1 (2020-03-09)
### Bug fixes
More carefully check for valid UTF16 surrogate pairs in regexp validator.
## 7.1.1 (2020-03-01)
### Bug fixes
Treat `\8` and `\9` as invalid escapes in template strings.
Allow unicode escapes in property names that are keywords.
Don't error on an exponential operator expression as argument to `await`.
More carefully check for valid UTF16 surrogate pairs in regexp validator.
## 7.1.0 (2019-09-24)
### Bug fixes
Disallow trailing object literal commas when ecmaVersion is less than 5.
### New features
Add a static `acorn` property to the `Parser` class that contains the entire module interface, to allow plugins to access the instance of the library that they are acting on.
## 7.0.0 (2019-08-13)
### Breaking changes
Changes the node format for dynamic imports to use the `ImportExpression` node type, as defined in [ESTree](https://github.com/estree/estree/blob/master/es2020.md#importexpression).
Makes 10 (ES2019) the default value for the `ecmaVersion` option.
## 6.3.0 (2019-08-12)
### New features
`sourceType: "module"` can now be used even when `ecmaVersion` is less than 6, to parse module-style code that otherwise conforms to an older standard.
## 6.2.1 (2019-07-21)
### Bug fixes
Fix bug causing Acorn to treat some characters as identifier characters that shouldn't be treated as such.
Fix issue where setting the `allowReserved` option to `"never"` allowed reserved words in some circumstances.
## 6.2.0 (2019-07-04)
### Bug fixes
Improve valid assignment checking in `for`/`in` and `for`/`of` loops.
Disallow binding `let` in patterns.
### New features
Support bigint syntax with `ecmaVersion` >= 11.
Support dynamic `import` syntax with `ecmaVersion` >= 11.
Upgrade to Unicode version 12.
## 6.1.1 (2019-02-27)
### Bug fixes
Fix bug that caused parsing default exports of with names to fail.
## 6.1.0 (2019-02-08)
### Bug fixes
Fix scope checking when redefining a `var` as a lexical binding.
### New features
Split up `parseSubscripts` to use an internal `parseSubscript` method to make it easier to extend with plugins.
## 6.0.7 (2019-02-04)
### Bug fixes
Check that exported bindings are defined.
Don't treat `\u180e` as a whitespace character.
Check for duplicate parameter names in methods.
Don't allow shorthand properties when they are generators or async methods.
Forbid binding `await` in async arrow function's parameter list.
## 6.0.6 (2019-01-30)
### Bug fixes
The content of class declarations and expressions is now always parsed in strict mode.
Don't allow `let` or `const` to bind the variable name `let`.
Treat class declarations as lexical.
Don't allow a generator function declaration as the sole body of an `if` or `else`.
Ignore `"use strict"` when after an empty statement.
Allow string line continuations with special line terminator characters.
Treat `for` bodies as part of the `for` scope when checking for conflicting bindings.
Fix bug with parsing `yield` in a `for` loop initializer.
Implement special cases around scope checking for functions.
## 6.0.5 (2019-01-02)
### Bug fixes
Fix TypeScript type for `Parser.extend` and add `allowAwaitOutsideFunction` to options type.
Don't treat `let` as a keyword when the next token is `{` on the next line.
Fix bug that broke checking for parentheses around an object pattern in a destructuring assignment when `preserveParens` was on.
## 6.0.4 (2018-11-05)
### Bug fixes
Further improvements to tokenizing regular expressions in corner cases.
## 6.0.3 (2018-11-04)
### Bug fixes
Fix bug in tokenizing an expression-less return followed by a function followed by a regular expression.
Remove stray symlink in the package tarball.
## 6.0.2 (2018-09-26)
### Bug fixes
Fix bug where default expressions could fail to parse inside an object destructuring assignment expression.
## 6.0.1 (2018-09-14)
### Bug fixes
Fix wrong value in `version` export.
## 6.0.0 (2018-09-14)
### Bug fixes
Better handle variable-redefinition checks for catch bindings and functions directly under if statements.
Forbid `new.target` in top-level arrow functions.
Fix issue with parsing a regexp after `yield` in some contexts.
### New features
The package now comes with TypeScript definitions.
### Breaking changes
The default value of the `ecmaVersion` option is now 9 (2018).
Plugins work differently, and will have to be rewritten to work with this version.
The loose parser and walker have been moved into separate packages (`acorn-loose` and `acorn-walk`).
## 5.7.3 (2018-09-10)
### Bug fixes
Fix failure to tokenize regexps after expressions like `x.of`.
Better error message for unterminated template literals.
## 5.7.2 (2018-08-24)
### Bug fixes
Properly handle `allowAwaitOutsideFunction` in for statements.
Treat function declarations at the top level of modules like let bindings.
Don't allow async function declarations as the only statement under a label.
## 5.7.0 (2018-06-15)
### New features
Upgraded to Unicode 11.
## 5.6.0 (2018-05-31)
### New features
Allow U+2028 and U+2029 in string when ECMAVersion >= 10.
Allow binding-less catch statements when ECMAVersion >= 10.
Add `allowAwaitOutsideFunction` option for parsing top-level `await`.
## 5.5.3 (2018-03-08)
### Bug fixes
A _second_ republish of the code in 5.5.1, this time with yarn, to hopefully get valid timestamps.
## 5.5.2 (2018-03-08)
### Bug fixes
A republish of the code in 5.5.1 in an attempt to solve an issue with the file timestamps in the npm package being 0.
## 5.5.1 (2018-03-06)
### Bug fixes
Fix misleading error message for octal escapes in template strings.
## 5.5.0 (2018-02-27)
### New features
The identifier character categorization is now based on Unicode version 10.
Acorn will now validate the content of regular expressions, including new ES9 features.
## 5.4.0 (2018-02-01)
### Bug fixes
Disallow duplicate or escaped flags on regular expressions.
Disallow octal escapes in strings in strict mode.
### New features
Add support for async iteration.
Add support for object spread and rest.
## 5.3.0 (2017-12-28)
### Bug fixes
Fix parsing of floating point literals with leading zeroes in loose mode.
Allow duplicate property names in object patterns.
Don't allow static class methods named `prototype`.
Disallow async functions directly under `if` or `else`.
Parse right-hand-side of `for`/`of` as an assignment expression.
Stricter parsing of `for`/`in`.
Don't allow unicode escapes in contextual keywords.
### New features
Parsing class members was factored into smaller methods to allow plugins to hook into it.
## 5.2.1 (2017-10-30)
### Bug fixes
Fix a token context corruption bug.
## 5.2.0 (2017-10-30)
### Bug fixes
Fix token context tracking for `class` and `function` in property-name position.
Make sure `%*` isn't parsed as a valid operator.
Allow shorthand properties `get` and `set` to be followed by default values.
Disallow `super` when not in callee or object position.
### New features
Support [`directive` property](https://github.com/estree/estree/compare/b3de58c9997504d6fba04b72f76e6dd1619ee4eb...1da8e603237144f44710360f8feb7a9977e905e0) on directive expression statements.
## 5.1.2 (2017-09-04)
### Bug fixes
Disable parsing of legacy HTML-style comments in modules.
Fix parsing of async methods whose names are keywords.
## 5.1.1 (2017-07-06)
### Bug fixes
Fix problem with disambiguating regexp and division after a class.
## 5.1.0 (2017-07-05)
### Bug fixes
Fix tokenizing of regexps in an object-desctructuring `for`/`of` loop and after `yield`.
Parse zero-prefixed numbers with non-octal digits as decimal.
Allow object/array patterns in rest parameters.
Don't error when `yield` is used as a property name.
Allow `async` as a shorthand object property.
### New features
Implement the [template literal revision proposal](https://github.com/tc39/proposal-template-literal-revision) for ES9.
## 5.0.3 (2017-04-01)
### Bug fixes
Fix spurious duplicate variable definition errors for named functions.
## 5.0.2 (2017-03-30)
### Bug fixes
A binary operator after a parenthesized arrow expression is no longer incorrectly treated as an error.
## 5.0.0 (2017-03-28)
### Bug fixes
Raise an error for duplicated lexical bindings.
Fix spurious error when an assignement expression occurred after a spread expression.
Accept regular expressions after `of` (in `for`/`of`), `yield` (in a generator), and braced arrow functions.
Allow labels in front or `var` declarations, even in strict mode.
### Breaking changes
Parse declarations following `export default` as declaration nodes, not expressions. This means that class and function declarations nodes can now have `null` as their `id`.
## 4.0.11 (2017-02-07)
### Bug fixes
Allow all forms of member expressions to be parenthesized as lvalue.
## 4.0.10 (2017-02-07)
### Bug fixes
Don't expect semicolons after default-exported functions or classes, even when they are expressions.
Check for use of `'use strict'` directives in non-simple parameter functions, even when already in strict mode.
## 4.0.9 (2017-02-06)
### Bug fixes
Fix incorrect error raised for parenthesized simple assignment targets, so that `(x) = 1` parses again.
## 4.0.8 (2017-02-03)
### Bug fixes
Solve spurious parenthesized pattern errors by temporarily erring on the side of accepting programs that our delayed errors don't handle correctly yet.
## 4.0.7 (2017-02-02)
### Bug fixes
Accept invalidly rejected code like `(x).y = 2` again.
Don't raise an error when a function _inside_ strict code has a non-simple parameter list.
## 4.0.6 (2017-02-02)
### Bug fixes
Fix exponential behavior (manifesting itself as a complete hang for even relatively small source files) introduced by the new 'use strict' check.
## 4.0.5 (2017-02-02)
### Bug fixes
Disallow parenthesized pattern expressions.
Allow keywords as export names.
Don't allow the `async` keyword to be parenthesized.
Properly raise an error when a keyword contains a character escape.
Allow `"use strict"` to appear after other string literal expressions.
Disallow labeled declarations.
## 4.0.4 (2016-12-19)
### Bug fixes
Fix crash when `export` was followed by a keyword that can't be
exported.
## 4.0.3 (2016-08-16)
### Bug fixes
Allow regular function declarations inside single-statement `if` branches in loose mode. Forbid them entirely in strict mode.
Properly parse properties named `async` in ES2017 mode.
Fix bug where reserved words were broken in ES2017 mode.
## 4.0.2 (2016-08-11)
### Bug fixes
Don't ignore period or 'e' characters after octal numbers.
Fix broken parsing for call expressions in default parameter values of arrow functions.
## 4.0.1 (2016-08-08)
### Bug fixes
Fix false positives in duplicated export name errors.
## 4.0.0 (2016-08-07)
### Breaking changes
The default `ecmaVersion` option value is now 7.
A number of internal method signatures changed, so plugins might need to be updated.
### Bug fixes
The parser now raises errors on duplicated export names.
`arguments` and `eval` can now be used in shorthand properties.
Duplicate parameter names in non-simple argument lists now always produce an error.
### New features
The `ecmaVersion` option now also accepts year-style version numbers
(2015, etc).
Support for `async`/`await` syntax when `ecmaVersion` is >= 8.
Support for trailing commas in call expressions when `ecmaVersion` is >= 8.
## 3.3.0 (2016-07-25)
### Bug fixes
Fix bug in tokenizing of regexp operator after a function declaration.
Fix parser crash when parsing an array pattern with a hole.
### New features
Implement check against complex argument lists in functions that enable strict mode in ES7.
## 3.2.0 (2016-06-07)
### Bug fixes
Improve handling of lack of unicode regexp support in host
environment.
Properly reject shorthand properties whose name is a keyword.
### New features
Visitors created with `visit.make` now have their base as _prototype_, rather than copying properties into a fresh object.
## 3.1.0 (2016-04-18)
### Bug fixes
Properly tokenize the division operator directly after a function expression.
Allow trailing comma in destructuring arrays.
## 3.0.4 (2016-02-25)
### Fixes
Allow update expressions as left-hand-side of the ES7 exponential operator.
## 3.0.2 (2016-02-10)
### Fixes
Fix bug that accidentally made `undefined` a reserved word when parsing ES7.
## 3.0.0 (2016-02-10)
### Breaking changes
The default value of the `ecmaVersion` option is now 6 (used to be 5).
Support for comprehension syntax (which was dropped from the draft spec) has been removed.
### Fixes
`let` and `yield` are now “contextual keywords”, meaning you can mostly use them as identifiers in ES5 non-strict code.
A parenthesized class or function expression after `export default` is now parsed correctly.
### New features
When `ecmaVersion` is set to 7, Acorn will parse the exponentiation operator (`**`).
The identifier character ranges are now based on Unicode 8.0.0.
Plugins can now override the `raiseRecoverable` method to override the way non-critical errors are handled.
## 2.7.0 (2016-01-04)
### Fixes
Stop allowing rest parameters in setters.
Disallow `y` rexexp flag in ES5.
Disallow `\00` and `\000` escapes in strict mode.
Raise an error when an import name is a reserved word.
## 2.6.2 (2015-11-10)
### Fixes
Don't crash when no options object is passed.
## 2.6.0 (2015-11-09)
### Fixes
Add `await` as a reserved word in module sources.
Disallow `yield` in a parameter default value for a generator.
Forbid using a comma after a rest pattern in an array destructuring.
### New features
Support parsing stdin in command-line tool.
## 2.5.0 (2015-10-27)
### Fixes
Fix tokenizer support in the command-line tool.
Stop allowing `new.target` outside of functions.
Remove legacy `guard` and `guardedHandler` properties from try nodes.
Stop allowing multiple `__proto__` properties on an object literal in strict mode.
Don't allow rest parameters to be non-identifier patterns.
Check for duplicate paramter names in arrow functions.
node_modules/webpack-bundle-analyzer/node_modules/acorn/LICENSE
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MIT License
Copyright (C) 2012-2022 by various contributors (see AUTHORS)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
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# Acorn
A tiny, fast JavaScript parser written in JavaScript.
## Community
Acorn is open source software released under an
[MIT license](https://github.com/acornjs/acorn/blob/master/acorn/LICENSE).
You are welcome to
[report bugs](https://github.com/acornjs/acorn/issues) or create pull
requests on [github](https://github.com/acornjs/acorn).
## Installation
The easiest way to install acorn is from [`npm`](https://www.npmjs.com/):
```sh
npm install acorn
```
Alternately, you can download the source and build acorn yourself:
```sh
git clone https://github.com/acornjs/acorn.git
cd acorn
npm install
```
## Importing acorn
ESM as well as CommonJS is supported for all 3: `acorn`, `acorn-walk` and `acorn-loose`.
ESM example for `acorn`:
```js
import * as acorn from "acorn"
```
CommonJS example for `acorn`:
```js
let acorn = require("acorn")
```
ESM is preferred, as it allows better editor auto-completions by offering TypeScript support.
For this reason, following examples will use ESM imports.
## Interface
**parse**`(input, options)` is the main interface to the library. The
`input` parameter is a string, `options` must be an object setting
some of the options listed below. The return value will be an abstract
syntax tree object as specified by the [ESTree
spec](https://github.com/estree/estree).
```javascript
import * as acorn from "acorn"
console.log(acorn.parse("1 + 1", {ecmaVersion: 2020}))
```
When encountering a syntax error, the parser will raise a
`SyntaxError` object with a meaningful message. The error object will
have a `pos` property that indicates the string offset at which the
error occurred, and a `loc` object that contains a `{line, column}`
object referring to that same position.
Options are provided by in a second argument, which should be an
object containing any of these fields (only `ecmaVersion` is
required):
- **ecmaVersion**: Indicates the ECMAScript version to parse. Can be a
number, either in year (`2022`) or plain version number (`6`) form,
or `"latest"` (the latest the library supports). This influences
support for strict mode, the set of reserved words, and support for
new syntax features.
**NOTE**: Only 'stage 4' (finalized) ECMAScript features are being
implemented by Acorn. Other proposed new features must be
implemented through plugins.
- **sourceType**: Indicate the mode the code should be parsed in. Can be
either `"script"`, `"module"` or `"commonjs"`. This influences global strict mode
and parsing of `import` and `export` declarations.
**NOTE**: If set to `"module"`, then static `import` / `export` syntax
will be valid, even if `ecmaVersion` is less than 6. If set to `"commonjs"`,
it is the same as `"script"` except that the top-level scope behaves like a function.
- **onInsertedSemicolon**: If given a callback, that callback will be
called whenever a missing semicolon is inserted by the parser. The
callback will be given the character offset of the point where the
semicolon is inserted as argument, and if `locations` is on, also a
`{line, column}` object representing this position.
- **onTrailingComma**: Like `onInsertedSemicolon`, but for trailing
commas.
- **allowReserved**: If `false`, using a reserved word will generate
an error. Defaults to `true` for `ecmaVersion` 3, `false` for higher
versions. When given the value `"never"`, reserved words and
keywords can also not be used as property names (as in Internet
Explorer's old parser).
- **allowReturnOutsideFunction**: By default, a return statement at
the top level raises an error. Set this to `true` to accept such
code.
- **allowImportExportEverywhere**: By default, `import` and `export`
declarations can only appear at a program's top level. Setting this
option to `true` allows them anywhere where a statement is allowed,
and also allows `import.meta` expressions to appear in scripts
(when `sourceType` is not `"module"`).
- **allowAwaitOutsideFunction**: If `false`, `await` expressions can
only appear inside `async` functions. Defaults to `true` in modules
for `ecmaVersion` 2022 and later, `false` for lower versions.
Setting this option to `true` allows to have top-level `await`
expressions. They are still not allowed in non-`async` functions,
though. Setting this option to `true` is not allowed when `sourceType: "commonjs"`.
- **allowSuperOutsideMethod**: By default, `super` outside a method
raises an error. Set this to `true` to accept such code.
- **allowHashBang**: When this is enabled, if the code starts with the
characters `#!` (as in a shellscript), the first line will be
treated as a comment. Defaults to true when `ecmaVersion` >= 2023.
- **checkPrivateFields**: By default, the parser will verify that
private properties are only used in places where they are valid and
have been declared. Set this to false to turn such checks off.
- **locations**: When `true`, each node has a `loc` object attached
with `start` and `end` subobjects, each of which contains the
one-based line and zero-based column numbers in `{line, column}`
form. Default is `false`.
- **onToken**: If a function is passed for this option, each found
token will be passed in same format as tokens returned from
`tokenizer().getToken()`.
If array is passed, each found token is pushed to it.
Note that you are not allowed to call the parser from the
callback—that will corrupt its internal state.
- **onComment**: If a function is passed for this option, whenever a
comment is encountered the function will be called with the
following parameters:
- `block`: `true` if the comment is a block comment, false if it
is a line comment.
- `text`: The content of the comment.
- `start`: Character offset of the start of the comment.
- `end`: Character offset of the end of the comment.
When the `locations` options is on, the `{line, column}` locations
of the comment’s start and end are passed as two additional
parameters.
If array is passed for this option, each found comment is pushed
to it as object in Esprima format:
```javascript
{
"type": "Line" | "Block",
"value": "comment text",
"start": Number,
"end": Number,
// If `locations` option is on:
"loc": {
"start": {line: Number, column: Number}
"end": {line: Number, column: Number}
},
// If `ranges` option is on:
"range": [Number, Number]
}
```
Note that you are not allowed to call the parser from the
callback—that will corrupt its internal state.
- **ranges**: Nodes have their start and end characters offsets
recorded in `start` and `end` properties (directly on the node,
rather than the `loc` object, which holds line/column data. To also
add a
[semi-standardized](https://bugzilla.mozilla.org/show_bug.cgi?id=745678)
`range` property holding a `[start, end]` array with the same
numbers, set the `ranges` option to `true`.
- **program**: It is possible to parse multiple files into a single
AST by passing the tree produced by parsing the first file as the
`program` option in subsequent parses. This will add the toplevel
forms of the parsed file to the "Program" (top) node of an existing
parse tree.
- **sourceFile**: When the `locations` option is `true`, you can pass
this option to add a `source` attribute in every node’s `loc`
object. Note that the contents of this option are not examined or
processed in any way; you are free to use whatever format you
choose.
- **directSourceFile**: Like `sourceFile`, but a `sourceFile` property
will be added (regardless of the `location` option) directly to the
nodes, rather than the `loc` object.
- **preserveParens**: If this option is `true`, parenthesized expressions
are represented by (non-standard) `ParenthesizedExpression` nodes
that have a single `expression` property containing the expression
inside parentheses.
**parseExpressionAt**`(input, offset, options)` will parse a single
expression in a string, and return its AST. It will not complain if
there is more of the string left after the expression.
**tokenizer**`(input, options)` returns an object with a `getToken`
method that can be called repeatedly to get the next token, a `{start,
end, type, value}` object (with added `loc` property when the
`locations` option is enabled and `range` property when the `ranges`
option is enabled). When the token's type is `tokTypes.eof`, you
should stop calling the method, since it will keep returning that same
token forever.
Note that tokenizing JavaScript without parsing it is, in modern
versions of the language, not really possible due to the way syntax is
overloaded in ways that can only be disambiguated by the parse
context. This package applies a bunch of heuristics to try and do a
reasonable job, but you are advised to use `parse` with the `onToken`
option instead of this.
In ES6 environment, returned result can be used as any other
protocol-compliant iterable:
```javascript
for (let token of acorn.tokenizer(str)) {
// iterate over the tokens
}
// transform code to array of tokens:
var tokens = [...acorn.tokenizer(str)]
```
**tokTypes** holds an object mapping names to the token type objects
that end up in the `type` properties of tokens.
**getLineInfo**`(input, offset)` can be used to get a `{line,
column}` object for a given program string and offset.
### The `Parser` class
Instances of the **`Parser`** class contain all the state and logic
that drives a parse. It has static methods `parse`,
`parseExpressionAt`, and `tokenizer` that match the top-level
functions by the same name.
When extending the parser with plugins, you need to call these methods
on the extended version of the class. To extend a parser with plugins,
you can use its static `extend` method.
```javascript
var acorn = require("acorn")
var jsx = require("acorn-jsx")
var JSXParser = acorn.Parser.extend(jsx())
JSXParser.parse("foo(<bar/>)", {ecmaVersion: 2020})
```
The `extend` method takes any number of plugin values, and returns a
new `Parser` class that includes the extra parser logic provided by
the plugins.
## Command line interface
The `bin/acorn` utility can be used to parse a file from the command
line. It accepts as arguments its input file and the following
options:
- `--ecma3|--ecma5|--ecma6|--ecma7|--ecma8|--ecma9|--ecma10`: Sets the ECMAScript version
to parse. Default is version 9.
- `--module`: Sets the parsing mode to `"module"`. Is set to `"script"` otherwise.
- `--locations`: Attaches a "loc" object to each node with "start" and
"end" subobjects, each of which contains the one-based line and
zero-based column numbers in `{line, column}` form.
- `--allow-hash-bang`: If the code starts with the characters #! (as
in a shellscript), the first line will be treated as a comment.
- `--allow-await-outside-function`: Allows top-level `await` expressions.
See the `allowAwaitOutsideFunction` option for more information.
- `--compact`: No whitespace is used in the AST output.
- `--silent`: Do not output the AST, just return the exit status.
- `--help`: Print the usage information and quit.
The utility spits out the syntax tree as JSON data.
## Existing plugins
- [`acorn-jsx`](https://github.com/RReverser/acorn-jsx): Parse [Facebook JSX syntax extensions](https://github.com/facebook/jsx)
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#!/usr/bin/env node
"use strict"
require("../dist/bin.js")
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export interface Node {
start: number
end: number
type: string
range?: [number, number]
loc?: SourceLocation | null
}
export interface SourceLocation {
source?: string | null
start: Position
end: Position
}
export interface Position {
/** 1-based */
line: number
/** 0-based */
column: number
}
export interface Identifier extends Node {
type: "Identifier"
name: string
}
export interface Literal extends Node {
type: "Literal"
value?: string | boolean | null | number | RegExp | bigint
raw?: string
regex?: {
pattern: string
flags: string
}
bigint?: string
}
export interface Program extends Node {
type: "Program"
body: Array<Statement | ModuleDeclaration>
sourceType: "script" | "module"
}
export interface Function extends Node {
id?: Identifier | null
params: Array<Pattern>
body: BlockStatement | Expression
generator: boolean
expression: boolean
async: boolean
}
export interface ExpressionStatement extends Node {
type: "ExpressionStatement"
expression: Expression | Literal
directive?: string
}
export interface BlockStatement extends Node {
type: "BlockStatement"
body: Array<Statement>
}
export interface EmptyStatement extends Node {
type: "EmptyStatement"
}
export interface DebuggerStatement extends Node {
type: "DebuggerStatement"
}
export interface WithStatement extends Node {
type: "WithStatement"
object: Expression
body: Statement
}
export interface ReturnStatement extends Node {
type: "ReturnStatement"
argument?: Expression | null
}
export interface LabeledStatement extends Node {
type: "LabeledStatement"
label: Identifier
body: Statement
}
export interface BreakStatement extends Node {
type: "BreakStatement"
label?: Identifier | null
}
export interface ContinueStatement extends Node {
type: "ContinueStatement"
label?: Identifier | null
}
export interface IfStatement extends Node {
type: "IfStatement"
test: Expression
consequent: Statement
alternate?: Statement | null
}
export interface SwitchStatement extends Node {
type: "SwitchStatement"
discriminant: Expression
cases: Array<SwitchCase>
}
export interface SwitchCase extends Node {
type: "SwitchCase"
test?: Expression | null
consequent: Array<Statement>
}
export interface ThrowStatement extends Node {
type: "ThrowStatement"
argument: Expression
}
export interface TryStatement extends Node {
type: "TryStatement"
block: BlockStatement
handler?: CatchClause | null
finalizer?: BlockStatement | null
}
export interface CatchClause extends Node {
type: "CatchClause"
param?: Pattern | null
body: BlockStatement
}
export interface WhileStatement extends Node {
type: "WhileStatement"
test: Expression
body: Statement
}
export interface DoWhileStatement extends Node {
type: "DoWhileStatement"
body: Statement
test: Expression
}
export interface ForStatement extends Node {
type: "ForStatement"
init?: VariableDeclaration | Expression | null
test?: Expression | null
update?: Expression | null
body: Statement
}
export interface ForInStatement extends Node {
type: "ForInStatement"
left: VariableDeclaration | Pattern
right: Expression
body: Statement
}
export interface FunctionDeclaration extends Function {
type: "FunctionDeclaration"
id: Identifier
body: BlockStatement
}
export interface VariableDeclaration extends Node {
type: "VariableDeclaration"
declarations: Array<VariableDeclarator>
kind: "var" | "let" | "const" | "using" | "await using"
}
export interface VariableDeclarator extends Node {
type: "VariableDeclarator"
id: Pattern
init?: Expression | null
}
export interface ThisExpression extends Node {
type: "ThisExpression"
}
export interface ArrayExpression extends Node {
type: "ArrayExpression"
elements: Array<Expression | SpreadElement | null>
}
export interface ObjectExpression extends Node {
type: "ObjectExpression"
properties: Array<Property | SpreadElement>
}
export interface Property extends Node {
type: "Property"
key: Expression
value: Expression
kind: "init" | "get" | "set"
method: boolean
shorthand: boolean
computed: boolean
}
export interface FunctionExpression extends Function {
type: "FunctionExpression"
body: BlockStatement
}
export interface UnaryExpression extends Node {
type: "UnaryExpression"
operator: UnaryOperator
prefix: boolean
argument: Expression
}
export type UnaryOperator = "-" | "+" | "!" | "~" | "typeof" | "void" | "delete"
export interface UpdateExpression extends Node {
type: "UpdateExpression"
operator: UpdateOperator
argument: Expression
prefix: boolean
}
export type UpdateOperator = "++" | "--"
export interface BinaryExpression extends Node {
type: "BinaryExpression"
operator: BinaryOperator
left: Expression | PrivateIdentifier
right: Expression
}
export type BinaryOperator = "==" | "!=" | "===" | "!==" | "<" | "<=" | ">" | ">=" | "<<" | ">>" | ">>>" | "+" | "-" | "*" | "/" | "%" | "|" | "^" | "&" | "in" | "instanceof" | "**"
export interface AssignmentExpression extends Node {
type: "AssignmentExpression"
operator: AssignmentOperator
left: Pattern
right: Expression
}
export type AssignmentOperator = "=" | "+=" | "-=" | "*=" | "/=" | "%=" | "<<=" | ">>=" | ">>>=" | "|=" | "^=" | "&=" | "**=" | "||=" | "&&=" | "??="
export interface LogicalExpression extends Node {
type: "LogicalExpression"
operator: LogicalOperator
left: Expression
right: Expression
}
export type LogicalOperator = "||" | "&&" | "??"
export interface MemberExpression extends Node {
type: "MemberExpression"
object: Expression | Super
property: Expression | PrivateIdentifier
computed: boolean
optional: boolean
}
export interface ConditionalExpression extends Node {
type: "ConditionalExpression"
test: Expression
alternate: Expression
consequent: Expression
}
export interface CallExpression extends Node {
type: "CallExpression"
callee: Expression | Super
arguments: Array<Expression | SpreadElement>
optional: boolean
}
export interface NewExpression extends Node {
type: "NewExpression"
callee: Expression
arguments: Array<Expression | SpreadElement>
}
export interface SequenceExpression extends Node {
type: "SequenceExpression"
expressions: Array<Expression>
}
export interface ForOfStatement extends Node {
type: "ForOfStatement"
left: VariableDeclaration | Pattern
right: Expression
body: Statement
await: boolean
}
export interface Super extends Node {
type: "Super"
}
export interface SpreadElement extends Node {
type: "SpreadElement"
argument: Expression
}
export interface ArrowFunctionExpression extends Function {
type: "ArrowFunctionExpression"
}
export interface YieldExpression extends Node {
type: "YieldExpression"
argument?: Expression | null
delegate: boolean
}
export interface TemplateLiteral extends Node {
type: "TemplateLiteral"
quasis: Array<TemplateElement>
expressions: Array<Expression>
}
export interface TaggedTemplateExpression extends Node {
type: "TaggedTemplateExpression"
tag: Expression
quasi: TemplateLiteral
}
export interface TemplateElement extends Node {
type: "TemplateElement"
tail: boolean
value: {
cooked?: string | null
raw: string
}
}
export interface AssignmentProperty extends Node {
type: "Property"
key: Expression
value: Pattern
kind: "init"
method: false
shorthand: boolean
computed: boolean
}
export interface ObjectPattern extends Node {
type: "ObjectPattern"
properties: Array<AssignmentProperty | RestElement>
}
export interface ArrayPattern extends Node {
type: "ArrayPattern"
elements: Array<Pattern | null>
}
export interface RestElement extends Node {
type: "RestElement"
argument: Pattern
}
export interface AssignmentPattern extends Node {
type: "AssignmentPattern"
left: Pattern
right: Expression
}
export interface Class extends Node {
id?: Identifier | null
superClass?: Expression | null
body: ClassBody
}
export interface ClassBody extends Node {
type: "ClassBody"
body: Array<MethodDefinition | PropertyDefinition | StaticBlock>
}
export interface MethodDefinition extends Node {
type: "MethodDefinition"
key: Expression | PrivateIdentifier
value: FunctionExpression
kind: "constructor" | "method" | "get" | "set"
computed: boolean
static: boolean
}
export interface ClassDeclaration extends Class {
type: "ClassDeclaration"
id: Identifier
}
export interface ClassExpression extends Class {
type: "ClassExpression"
}
export interface MetaProperty extends Node {
type: "MetaProperty"
meta: Identifier
property: Identifier
}
export interface ImportDeclaration extends Node {
type: "ImportDeclaration"
specifiers: Array<ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier>
source: Literal
attributes: Array<ImportAttribute>
}
export interface ImportSpecifier extends Node {
type: "ImportSpecifier"
imported: Identifier | Literal
local: Identifier
}
export interface ImportDefaultSpecifier extends Node {
type: "ImportDefaultSpecifier"
local: Identifier
}
export interface ImportNamespaceSpecifier extends Node {
type: "ImportNamespaceSpecifier"
local: Identifier
}
export interface ImportAttribute extends Node {
type: "ImportAttribute"
key: Identifier | Literal
value: Literal
}
export interface ExportNamedDeclaration extends Node {
type: "ExportNamedDeclaration"
declaration?: Declaration | null
specifiers: Array<ExportSpecifier>
source?: Literal | null
attributes: Array<ImportAttribute>
}
export interface ExportSpecifier extends Node {
type: "ExportSpecifier"
exported: Identifier | Literal
local: Identifier | Literal
}
export interface AnonymousFunctionDeclaration extends Function {
type: "FunctionDeclaration"
id: null
body: BlockStatement
}
export interface AnonymousClassDeclaration extends Class {
type: "ClassDeclaration"
id: null
}
export interface ExportDefaultDeclaration extends Node {
type: "ExportDefaultDeclaration"
declaration: AnonymousFunctionDeclaration | FunctionDeclaration | AnonymousClassDeclaration | ClassDeclaration | Expression
}
export interface ExportAllDeclaration extends Node {
type: "ExportAllDeclaration"
source: Literal
exported?: Identifier | Literal | null
attributes: Array<ImportAttribute>
}
export interface AwaitExpression extends Node {
type: "AwaitExpression"
argument: Expression
}
export interface ChainExpression extends Node {
type: "ChainExpression"
expression: MemberExpression | CallExpression
}
export interface ImportExpression extends Node {
type: "ImportExpression"
source: Expression
options: Expression | null
}
export interface ParenthesizedExpression extends Node {
type: "ParenthesizedExpression"
expression: Expression
}
export interface PropertyDefinition extends Node {
type: "PropertyDefinition"
key: Expression | PrivateIdentifier
value?: Expression | null
computed: boolean
static: boolean
}
export interface PrivateIdentifier extends Node {
type: "PrivateIdentifier"
name: string
}
export interface StaticBlock extends Node {
type: "StaticBlock"
body: Array<Statement>
}
export type Statement =
| ExpressionStatement
| BlockStatement
| EmptyStatement
| DebuggerStatement
| WithStatement
| ReturnStatement
| LabeledStatement
| BreakStatement
| ContinueStatement
| IfStatement
| SwitchStatement
| ThrowStatement
| TryStatement
| WhileStatement
| DoWhileStatement
| ForStatement
| ForInStatement
| ForOfStatement
| Declaration
export type Declaration =
| FunctionDeclaration
| VariableDeclaration
| ClassDeclaration
export type Expression =
| Identifier
| Literal
| ThisExpression
| ArrayExpression
| ObjectExpression
| FunctionExpression
| UnaryExpression
| UpdateExpression
| BinaryExpression
| AssignmentExpression
| LogicalExpression
| MemberExpression
| ConditionalExpression
| CallExpression
| NewExpression
| SequenceExpression
| ArrowFunctionExpression
| YieldExpression
| TemplateLiteral
| TaggedTemplateExpression
| ClassExpression
| MetaProperty
| AwaitExpression
| ChainExpression
| ImportExpression
| ParenthesizedExpression
export type Pattern =
| Identifier
| MemberExpression
| ObjectPattern
| ArrayPattern
| RestElement
| AssignmentPattern
export type ModuleDeclaration =
| ImportDeclaration
| ExportNamedDeclaration
| ExportDefaultDeclaration
| ExportAllDeclaration
/**
* This interface is only used for defining {@link AnyNode}.
* It exists so that it can be extended by plugins:
*
* @example
* ```typescript
* declare module 'acorn' {
* interface NodeTypes {
* pluginName: FirstNode | SecondNode | ThirdNode | ... | LastNode
* }
* }
* ```
*/
interface NodeTypes {
core: Statement | Expression | Declaration | ModuleDeclaration | Literal | Program | SwitchCase | CatchClause | Property | Super | SpreadElement | TemplateElement | AssignmentProperty | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | ClassBody | MethodDefinition | MetaProperty | ImportAttribute | ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier | AnonymousFunctionDeclaration | AnonymousClassDeclaration | PropertyDefinition | PrivateIdentifier | StaticBlock | VariableDeclarator
}
export type AnyNode = NodeTypes[keyof NodeTypes]
export function parse(input: string, options: Options): Program
export function parseExpressionAt(input: string, pos: number, options: Options): Expression
export function tokenizer(input: string, options: Options): {
getToken(): Token
[Symbol.iterator](): Iterator<Token>
}
export type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | "latest"
export interface Options {
/**
* `ecmaVersion` indicates the ECMAScript version to parse. Can be a
* number, either in year (`2022`) or plain version number (`6`) form,
* or `"latest"` (the latest the library supports). This influences
* support for strict mode, the set of reserved words, and support for
* new syntax features.
*/
ecmaVersion: ecmaVersion
/**
* `sourceType` indicates the mode the code should be parsed in.
* Can be either `"script"`, `"module"` or `"commonjs"`. This influences global
* strict mode and parsing of `import` and `export` declarations.
*/
sourceType?: "script" | "module" | "commonjs"
/**
* a callback that will be called when a semicolon is automatically inserted.
* @param lastTokEnd the position of the comma as an offset
* @param lastTokEndLoc location if {@link locations} is enabled
*/
onInsertedSemicolon?: (lastTokEnd: number, lastTokEndLoc?: Position) => void
/**
* similar to `onInsertedSemicolon`, but for trailing commas
* @param lastTokEnd the position of the comma as an offset
* @param lastTokEndLoc location if `locations` is enabled
*/
onTrailingComma?: (lastTokEnd: number, lastTokEndLoc?: Position) => void
/**
* By default, reserved words are only enforced if ecmaVersion >= 5.
* Set `allowReserved` to a boolean value to explicitly turn this on
* an off. When this option has the value "never", reserved words
* and keywords can also not be used as property names.
*/
allowReserved?: boolean | "never"
/**
* When enabled, a return at the top level is not considered an error.
*/
allowReturnOutsideFunction?: boolean
/**
* When enabled, import/export statements are not constrained to
* appearing at the top of the program, and an import.meta expression
* in a script isn't considered an error.
*/
allowImportExportEverywhere?: boolean
/**
* By default, `await` identifiers are allowed to appear at the top-level scope only if {@link ecmaVersion} >= 2022.
* When enabled, await identifiers are allowed to appear at the top-level scope,
* but they are still not allowed in non-async functions.
*/
allowAwaitOutsideFunction?: boolean
/**
* When enabled, super identifiers are not constrained to
* appearing in methods and do not raise an error when they appear elsewhere.
*/
allowSuperOutsideMethod?: boolean
/**
* When enabled, hashbang directive in the beginning of file is
* allowed and treated as a line comment. Enabled by default when
* {@link ecmaVersion} >= 2023.
*/
allowHashBang?: boolean
/**
* By default, the parser will verify that private properties are
* only used in places where they are valid and have been declared.
* Set this to false to turn such checks off.
*/
checkPrivateFields?: boolean
/**
* When `locations` is on, `loc` properties holding objects with
* `start` and `end` properties as {@link Position} objects will be attached to the
* nodes.
*/
locations?: boolean
/**
* a callback that will cause Acorn to call that export function with object in the same
* format as tokens returned from `tokenizer().getToken()`. Note
* that you are not allowed to call the parser from the
* callback—that will corrupt its internal state.
*/
onToken?: ((token: Token) => void) | Token[]
/**
* This takes a export function or an array.
*
* When a export function is passed, Acorn will call that export function with `(block, text, start,
* end)` parameters whenever a comment is skipped. `block` is a
* boolean indicating whether this is a block (`/* *\/`) comment,
* `text` is the content of the comment, and `start` and `end` are
* character offsets that denote the start and end of the comment.
* When the {@link locations} option is on, two more parameters are
* passed, the full locations of {@link Position} export type of the start and
* end of the comments.
*
* When a array is passed, each found comment of {@link Comment} export type is pushed to the array.
*
* Note that you are not allowed to call the
* parser from the callback—that will corrupt its internal state.
*/
onComment?: ((
isBlock: boolean, text: string, start: number, end: number, startLoc?: Position,
endLoc?: Position
) => void) | Comment[]
/**
* Nodes have their start and end characters offsets recorded in
* `start` and `end` properties (directly on the node, rather than
* the `loc` object, which holds line/column data. To also add a
* [semi-standardized][range] `range` property holding a `[start,
* end]` array with the same numbers, set the `ranges` option to
* `true`.
*/
ranges?: boolean
/**
* It is possible to parse multiple files into a single AST by
* passing the tree produced by parsing the first file as
* `program` option in subsequent parses. This will add the
* toplevel forms of the parsed file to the `Program` (top) node
* of an existing parse tree.
*/
program?: Node
/**
* When {@link locations} is on, you can pass this to record the source
* file in every node's `loc` object.
*/
sourceFile?: string
/**
* This value, if given, is stored in every node, whether {@link locations} is on or off.
*/
directSourceFile?: string
/**
* When enabled, parenthesized expressions are represented by
* (non-standard) ParenthesizedExpression nodes
*/
preserveParens?: boolean
}
export class Parser {
options: Options
input: string
protected constructor(options: Options, input: string, startPos?: number)
parse(): Program
static parse(input: string, options: Options): Program
static parseExpressionAt(input: string, pos: number, options: Options): Expression
static tokenizer(input: string, options: Options): {
getToken(): Token
[Symbol.iterator](): Iterator<Token>
}
static extend(...plugins: ((BaseParser: typeof Parser) => typeof Parser)[]): typeof Parser
}
export const defaultOptions: Options
export function getLineInfo(input: string, offset: number): Position
export class TokenType {
label: string
keyword: string | undefined
}
export const tokTypes: {
num: TokenType
regexp: TokenType
string: TokenType
name: TokenType
privateId: TokenType
eof: TokenType
bracketL: TokenType
bracketR: TokenType
braceL: TokenType
braceR: TokenType
parenL: TokenType
parenR: TokenType
comma: TokenType
semi: TokenType
colon: TokenType
dot: TokenType
question: TokenType
questionDot: TokenType
arrow: TokenType
template: TokenType
invalidTemplate: TokenType
ellipsis: TokenType
backQuote: TokenType
dollarBraceL: TokenType
eq: TokenType
assign: TokenType
incDec: TokenType
prefix: TokenType
logicalOR: TokenType
logicalAND: TokenType
bitwiseOR: TokenType
bitwiseXOR: TokenType
bitwiseAND: TokenType
equality: TokenType
relational: TokenType
bitShift: TokenType
plusMin: TokenType
modulo: TokenType
star: TokenType
slash: TokenType
starstar: TokenType
coalesce: TokenType
_break: TokenType
_case: TokenType
_catch: TokenType
_continue: TokenType
_debugger: TokenType
_default: TokenType
_do: TokenType
_else: TokenType
_finally: TokenType
_for: TokenType
_function: TokenType
_if: TokenType
_return: TokenType
_switch: TokenType
_throw: TokenType
_try: TokenType
_var: TokenType
_const: TokenType
_while: TokenType
_with: TokenType
_new: TokenType
_this: TokenType
_super: TokenType
_class: TokenType
_extends: TokenType
_export: TokenType
_import: TokenType
_null: TokenType
_true: TokenType
_false: TokenType
_in: TokenType
_instanceof: TokenType
_typeof: TokenType
_void: TokenType
_delete: TokenType
}
export interface Comment {
type: "Line" | "Block"
value: string
start: number
end: number
loc?: SourceLocation
range?: [number, number]
}
export class Token {
type: TokenType
start: number
end: number
loc?: SourceLocation
range?: [number, number]
}
export const version: string
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export interface Node {
start: number
end: number
type: string
range?: [number, number]
loc?: SourceLocation | null
}
export interface SourceLocation {
source?: string | null
start: Position
end: Position
}
export interface Position {
/** 1-based */
line: number
/** 0-based */
column: number
}
export interface Identifier extends Node {
type: "Identifier"
name: string
}
export interface Literal extends Node {
type: "Literal"
value?: string | boolean | null | number | RegExp | bigint
raw?: string
regex?: {
pattern: string
flags: string
}
bigint?: string
}
export interface Program extends Node {
type: "Program"
body: Array<Statement | ModuleDeclaration>
sourceType: "script" | "module"
}
export interface Function extends Node {
id?: Identifier | null
params: Array<Pattern>
body: BlockStatement | Expression
generator: boolean
expression: boolean
async: boolean
}
export interface ExpressionStatement extends Node {
type: "ExpressionStatement"
expression: Expression | Literal
directive?: string
}
export interface BlockStatement extends Node {
type: "BlockStatement"
body: Array<Statement>
}
export interface EmptyStatement extends Node {
type: "EmptyStatement"
}
export interface DebuggerStatement extends Node {
type: "DebuggerStatement"
}
export interface WithStatement extends Node {
type: "WithStatement"
object: Expression
body: Statement
}
export interface ReturnStatement extends Node {
type: "ReturnStatement"
argument?: Expression | null
}
export interface LabeledStatement extends Node {
type: "LabeledStatement"
label: Identifier
body: Statement
}
export interface BreakStatement extends Node {
type: "BreakStatement"
label?: Identifier | null
}
export interface ContinueStatement extends Node {
type: "ContinueStatement"
label?: Identifier | null
}
export interface IfStatement extends Node {
type: "IfStatement"
test: Expression
consequent: Statement
alternate?: Statement | null
}
export interface SwitchStatement extends Node {
type: "SwitchStatement"
discriminant: Expression
cases: Array<SwitchCase>
}
export interface SwitchCase extends Node {
type: "SwitchCase"
test?: Expression | null
consequent: Array<Statement>
}
export interface ThrowStatement extends Node {
type: "ThrowStatement"
argument: Expression
}
export interface TryStatement extends Node {
type: "TryStatement"
block: BlockStatement
handler?: CatchClause | null
finalizer?: BlockStatement | null
}
export interface CatchClause extends Node {
type: "CatchClause"
param?: Pattern | null
body: BlockStatement
}
export interface WhileStatement extends Node {
type: "WhileStatement"
test: Expression
body: Statement
}
export interface DoWhileStatement extends Node {
type: "DoWhileStatement"
body: Statement
test: Expression
}
export interface ForStatement extends Node {
type: "ForStatement"
init?: VariableDeclaration | Expression | null
test?: Expression | null
update?: Expression | null
body: Statement
}
export interface ForInStatement extends Node {
type: "ForInStatement"
left: VariableDeclaration | Pattern
right: Expression
body: Statement
}
export interface FunctionDeclaration extends Function {
type: "FunctionDeclaration"
id: Identifier
body: BlockStatement
}
export interface VariableDeclaration extends Node {
type: "VariableDeclaration"
declarations: Array<VariableDeclarator>
kind: "var" | "let" | "const" | "using" | "await using"
}
export interface VariableDeclarator extends Node {
type: "VariableDeclarator"
id: Pattern
init?: Expression | null
}
export interface ThisExpression extends Node {
type: "ThisExpression"
}
export interface ArrayExpression extends Node {
type: "ArrayExpression"
elements: Array<Expression | SpreadElement | null>
}
export interface ObjectExpression extends Node {
type: "ObjectExpression"
properties: Array<Property | SpreadElement>
}
export interface Property extends Node {
type: "Property"
key: Expression
value: Expression
kind: "init" | "get" | "set"
method: boolean
shorthand: boolean
computed: boolean
}
export interface FunctionExpression extends Function {
type: "FunctionExpression"
body: BlockStatement
}
export interface UnaryExpression extends Node {
type: "UnaryExpression"
operator: UnaryOperator
prefix: boolean
argument: Expression
}
export type UnaryOperator = "-" | "+" | "!" | "~" | "typeof" | "void" | "delete"
export interface UpdateExpression extends Node {
type: "UpdateExpression"
operator: UpdateOperator
argument: Expression
prefix: boolean
}
export type UpdateOperator = "++" | "--"
export interface BinaryExpression extends Node {
type: "BinaryExpression"
operator: BinaryOperator
left: Expression | PrivateIdentifier
right: Expression
}
export type BinaryOperator = "==" | "!=" | "===" | "!==" | "<" | "<=" | ">" | ">=" | "<<" | ">>" | ">>>" | "+" | "-" | "*" | "/" | "%" | "|" | "^" | "&" | "in" | "instanceof" | "**"
export interface AssignmentExpression extends Node {
type: "AssignmentExpression"
operator: AssignmentOperator
left: Pattern
right: Expression
}
export type AssignmentOperator = "=" | "+=" | "-=" | "*=" | "/=" | "%=" | "<<=" | ">>=" | ">>>=" | "|=" | "^=" | "&=" | "**=" | "||=" | "&&=" | "??="
export interface LogicalExpression extends Node {
type: "LogicalExpression"
operator: LogicalOperator
left: Expression
right: Expression
}
export type LogicalOperator = "||" | "&&" | "??"
export interface MemberExpression extends Node {
type: "MemberExpression"
object: Expression | Super
property: Expression | PrivateIdentifier
computed: boolean
optional: boolean
}
export interface ConditionalExpression extends Node {
type: "ConditionalExpression"
test: Expression
alternate: Expression
consequent: Expression
}
export interface CallExpression extends Node {
type: "CallExpression"
callee: Expression | Super
arguments: Array<Expression | SpreadElement>
optional: boolean
}
export interface NewExpression extends Node {
type: "NewExpression"
callee: Expression
arguments: Array<Expression | SpreadElement>
}
export interface SequenceExpression extends Node {
type: "SequenceExpression"
expressions: Array<Expression>
}
export interface ForOfStatement extends Node {
type: "ForOfStatement"
left: VariableDeclaration | Pattern
right: Expression
body: Statement
await: boolean
}
export interface Super extends Node {
type: "Super"
}
export interface SpreadElement extends Node {
type: "SpreadElement"
argument: Expression
}
export interface ArrowFunctionExpression extends Function {
type: "ArrowFunctionExpression"
}
export interface YieldExpression extends Node {
type: "YieldExpression"
argument?: Expression | null
delegate: boolean
}
export interface TemplateLiteral extends Node {
type: "TemplateLiteral"
quasis: Array<TemplateElement>
expressions: Array<Expression>
}
export interface TaggedTemplateExpression extends Node {
type: "TaggedTemplateExpression"
tag: Expression
quasi: TemplateLiteral
}
export interface TemplateElement extends Node {
type: "TemplateElement"
tail: boolean
value: {
cooked?: string | null
raw: string
}
}
export interface AssignmentProperty extends Node {
type: "Property"
key: Expression
value: Pattern
kind: "init"
method: false
shorthand: boolean
computed: boolean
}
export interface ObjectPattern extends Node {
type: "ObjectPattern"
properties: Array<AssignmentProperty | RestElement>
}
export interface ArrayPattern extends Node {
type: "ArrayPattern"
elements: Array<Pattern | null>
}
export interface RestElement extends Node {
type: "RestElement"
argument: Pattern
}
export interface AssignmentPattern extends Node {
type: "AssignmentPattern"
left: Pattern
right: Expression
}
export interface Class extends Node {
id?: Identifier | null
superClass?: Expression | null
body: ClassBody
}
export interface ClassBody extends Node {
type: "ClassBody"
body: Array<MethodDefinition | PropertyDefinition | StaticBlock>
}
export interface MethodDefinition extends Node {
type: "MethodDefinition"
key: Expression | PrivateIdentifier
value: FunctionExpression
kind: "constructor" | "method" | "get" | "set"
computed: boolean
static: boolean
}
export interface ClassDeclaration extends Class {
type: "ClassDeclaration"
id: Identifier
}
export interface ClassExpression extends Class {
type: "ClassExpression"
}
export interface MetaProperty extends Node {
type: "MetaProperty"
meta: Identifier
property: Identifier
}
export interface ImportDeclaration extends Node {
type: "ImportDeclaration"
specifiers: Array<ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier>
source: Literal
attributes: Array<ImportAttribute>
}
export interface ImportSpecifier extends Node {
type: "ImportSpecifier"
imported: Identifier | Literal
local: Identifier
}
export interface ImportDefaultSpecifier extends Node {
type: "ImportDefaultSpecifier"
local: Identifier
}
export interface ImportNamespaceSpecifier extends Node {
type: "ImportNamespaceSpecifier"
local: Identifier
}
export interface ImportAttribute extends Node {
type: "ImportAttribute"
key: Identifier | Literal
value: Literal
}
export interface ExportNamedDeclaration extends Node {
type: "ExportNamedDeclaration"
declaration?: Declaration | null
specifiers: Array<ExportSpecifier>
source?: Literal | null
attributes: Array<ImportAttribute>
}
export interface ExportSpecifier extends Node {
type: "ExportSpecifier"
exported: Identifier | Literal
local: Identifier | Literal
}
export interface AnonymousFunctionDeclaration extends Function {
type: "FunctionDeclaration"
id: null
body: BlockStatement
}
export interface AnonymousClassDeclaration extends Class {
type: "ClassDeclaration"
id: null
}
export interface ExportDefaultDeclaration extends Node {
type: "ExportDefaultDeclaration"
declaration: AnonymousFunctionDeclaration | FunctionDeclaration | AnonymousClassDeclaration | ClassDeclaration | Expression
}
export interface ExportAllDeclaration extends Node {
type: "ExportAllDeclaration"
source: Literal
exported?: Identifier | Literal | null
attributes: Array<ImportAttribute>
}
export interface AwaitExpression extends Node {
type: "AwaitExpression"
argument: Expression
}
export interface ChainExpression extends Node {
type: "ChainExpression"
expression: MemberExpression | CallExpression
}
export interface ImportExpression extends Node {
type: "ImportExpression"
source: Expression
options: Expression | null
}
export interface ParenthesizedExpression extends Node {
type: "ParenthesizedExpression"
expression: Expression
}
export interface PropertyDefinition extends Node {
type: "PropertyDefinition"
key: Expression | PrivateIdentifier
value?: Expression | null
computed: boolean
static: boolean
}
export interface PrivateIdentifier extends Node {
type: "PrivateIdentifier"
name: string
}
export interface StaticBlock extends Node {
type: "StaticBlock"
body: Array<Statement>
}
export type Statement =
| ExpressionStatement
| BlockStatement
| EmptyStatement
| DebuggerStatement
| WithStatement
| ReturnStatement
| LabeledStatement
| BreakStatement
| ContinueStatement
| IfStatement
| SwitchStatement
| ThrowStatement
| TryStatement
| WhileStatement
| DoWhileStatement
| ForStatement
| ForInStatement
| ForOfStatement
| Declaration
export type Declaration =
| FunctionDeclaration
| VariableDeclaration
| ClassDeclaration
export type Expression =
| Identifier
| Literal
| ThisExpression
| ArrayExpression
| ObjectExpression
| FunctionExpression
| UnaryExpression
| UpdateExpression
| BinaryExpression
| AssignmentExpression
| LogicalExpression
| MemberExpression
| ConditionalExpression
| CallExpression
| NewExpression
| SequenceExpression
| ArrowFunctionExpression
| YieldExpression
| TemplateLiteral
| TaggedTemplateExpression
| ClassExpression
| MetaProperty
| AwaitExpression
| ChainExpression
| ImportExpression
| ParenthesizedExpression
export type Pattern =
| Identifier
| MemberExpression
| ObjectPattern
| ArrayPattern
| RestElement
| AssignmentPattern
export type ModuleDeclaration =
| ImportDeclaration
| ExportNamedDeclaration
| ExportDefaultDeclaration
| ExportAllDeclaration
/**
* This interface is only used for defining {@link AnyNode}.
* It exists so that it can be extended by plugins:
*
* @example
* ```typescript
* declare module 'acorn' {
* interface NodeTypes {
* pluginName: FirstNode | SecondNode | ThirdNode | ... | LastNode
* }
* }
* ```
*/
interface NodeTypes {
core: Statement | Expression | Declaration | ModuleDeclaration | Literal | Program | SwitchCase | CatchClause | Property | Super | SpreadElement | TemplateElement | AssignmentProperty | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | ClassBody | MethodDefinition | MetaProperty | ImportAttribute | ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier | AnonymousFunctionDeclaration | AnonymousClassDeclaration | PropertyDefinition | PrivateIdentifier | StaticBlock | VariableDeclarator
}
export type AnyNode = NodeTypes[keyof NodeTypes]
export function parse(input: string, options: Options): Program
export function parseExpressionAt(input: string, pos: number, options: Options): Expression
export function tokenizer(input: string, options: Options): {
getToken(): Token
[Symbol.iterator](): Iterator<Token>
}
export type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | "latest"
export interface Options {
/**
* `ecmaVersion` indicates the ECMAScript version to parse. Can be a
* number, either in year (`2022`) or plain version number (`6`) form,
* or `"latest"` (the latest the library supports). This influences
* support for strict mode, the set of reserved words, and support for
* new syntax features.
*/
ecmaVersion: ecmaVersion
/**
* `sourceType` indicates the mode the code should be parsed in.
* Can be either `"script"`, `"module"` or `"commonjs"`. This influences global
* strict mode and parsing of `import` and `export` declarations.
*/
sourceType?: "script" | "module" | "commonjs"
/**
* a callback that will be called when a semicolon is automatically inserted.
* @param lastTokEnd the position of the comma as an offset
* @param lastTokEndLoc location if {@link locations} is enabled
*/
onInsertedSemicolon?: (lastTokEnd: number, lastTokEndLoc?: Position) => void
/**
* similar to `onInsertedSemicolon`, but for trailing commas
* @param lastTokEnd the position of the comma as an offset
* @param lastTokEndLoc location if `locations` is enabled
*/
onTrailingComma?: (lastTokEnd: number, lastTokEndLoc?: Position) => void
/**
* By default, reserved words are only enforced if ecmaVersion >= 5.
* Set `allowReserved` to a boolean value to explicitly turn this on
* an off. When this option has the value "never", reserved words
* and keywords can also not be used as property names.
*/
allowReserved?: boolean | "never"
/**
* When enabled, a return at the top level is not considered an error.
*/
allowReturnOutsideFunction?: boolean
/**
* When enabled, import/export statements are not constrained to
* appearing at the top of the program, and an import.meta expression
* in a script isn't considered an error.
*/
allowImportExportEverywhere?: boolean
/**
* By default, `await` identifiers are allowed to appear at the top-level scope only if {@link ecmaVersion} >= 2022.
* When enabled, await identifiers are allowed to appear at the top-level scope,
* but they are still not allowed in non-async functions.
*/
allowAwaitOutsideFunction?: boolean
/**
* When enabled, super identifiers are not constrained to
* appearing in methods and do not raise an error when they appear elsewhere.
*/
allowSuperOutsideMethod?: boolean
/**
* When enabled, hashbang directive in the beginning of file is
* allowed and treated as a line comment. Enabled by default when
* {@link ecmaVersion} >= 2023.
*/
allowHashBang?: boolean
/**
* By default, the parser will verify that private properties are
* only used in places where they are valid and have been declared.
* Set this to false to turn such checks off.
*/
checkPrivateFields?: boolean
/**
* When `locations` is on, `loc` properties holding objects with
* `start` and `end` properties as {@link Position} objects will be attached to the
* nodes.
*/
locations?: boolean
/**
* a callback that will cause Acorn to call that export function with object in the same
* format as tokens returned from `tokenizer().getToken()`. Note
* that you are not allowed to call the parser from the
* callback—that will corrupt its internal state.
*/
onToken?: ((token: Token) => void) | Token[]
/**
* This takes a export function or an array.
*
* When a export function is passed, Acorn will call that export function with `(block, text, start,
* end)` parameters whenever a comment is skipped. `block` is a
* boolean indicating whether this is a block (`/* *\/`) comment,
* `text` is the content of the comment, and `start` and `end` are
* character offsets that denote the start and end of the comment.
* When the {@link locations} option is on, two more parameters are
* passed, the full locations of {@link Position} export type of the start and
* end of the comments.
*
* When a array is passed, each found comment of {@link Comment} export type is pushed to the array.
*
* Note that you are not allowed to call the
* parser from the callback—that will corrupt its internal state.
*/
onComment?: ((
isBlock: boolean, text: string, start: number, end: number, startLoc?: Position,
endLoc?: Position
) => void) | Comment[]
/**
* Nodes have their start and end characters offsets recorded in
* `start` and `end` properties (directly on the node, rather than
* the `loc` object, which holds line/column data. To also add a
* [semi-standardized][range] `range` property holding a `[start,
* end]` array with the same numbers, set the `ranges` option to
* `true`.
*/
ranges?: boolean
/**
* It is possible to parse multiple files into a single AST by
* passing the tree produced by parsing the first file as
* `program` option in subsequent parses. This will add the
* toplevel forms of the parsed file to the `Program` (top) node
* of an existing parse tree.
*/
program?: Node
/**
* When {@link locations} is on, you can pass this to record the source
* file in every node's `loc` object.
*/
sourceFile?: string
/**
* This value, if given, is stored in every node, whether {@link locations} is on or off.
*/
directSourceFile?: string
/**
* When enabled, parenthesized expressions are represented by
* (non-standard) ParenthesizedExpression nodes
*/
preserveParens?: boolean
}
export class Parser {
options: Options
input: string
protected constructor(options: Options, input: string, startPos?: number)
parse(): Program
static parse(input: string, options: Options): Program
static parseExpressionAt(input: string, pos: number, options: Options): Expression
static tokenizer(input: string, options: Options): {
getToken(): Token
[Symbol.iterator](): Iterator<Token>
}
static extend(...plugins: ((BaseParser: typeof Parser) => typeof Parser)[]): typeof Parser
}
export const defaultOptions: Options
export function getLineInfo(input: string, offset: number): Position
export class TokenType {
label: string
keyword: string | undefined
}
export const tokTypes: {
num: TokenType
regexp: TokenType
string: TokenType
name: TokenType
privateId: TokenType
eof: TokenType
bracketL: TokenType
bracketR: TokenType
braceL: TokenType
braceR: TokenType
parenL: TokenType
parenR: TokenType
comma: TokenType
semi: TokenType
colon: TokenType
dot: TokenType
question: TokenType
questionDot: TokenType
arrow: TokenType
template: TokenType
invalidTemplate: TokenType
ellipsis: TokenType
backQuote: TokenType
dollarBraceL: TokenType
eq: TokenType
assign: TokenType
incDec: TokenType
prefix: TokenType
logicalOR: TokenType
logicalAND: TokenType
bitwiseOR: TokenType
bitwiseXOR: TokenType
bitwiseAND: TokenType
equality: TokenType
relational: TokenType
bitShift: TokenType
plusMin: TokenType
modulo: TokenType
star: TokenType
slash: TokenType
starstar: TokenType
coalesce: TokenType
_break: TokenType
_case: TokenType
_catch: TokenType
_continue: TokenType
_debugger: TokenType
_default: TokenType
_do: TokenType
_else: TokenType
_finally: TokenType
_for: TokenType
_function: TokenType
_if: TokenType
_return: TokenType
_switch: TokenType
_throw: TokenType
_try: TokenType
_var: TokenType
_const: TokenType
_while: TokenType
_with: TokenType
_new: TokenType
_this: TokenType
_super: TokenType
_class: TokenType
_extends: TokenType
_export: TokenType
_import: TokenType
_null: TokenType
_true: TokenType
_false: TokenType
_in: TokenType
_instanceof: TokenType
_typeof: TokenType
_void: TokenType
_delete: TokenType
}
export interface Comment {
type: "Line" | "Block"
value: string
start: number
end: number
loc?: SourceLocation
range?: [number, number]
}
export class Token {
type: TokenType
start: number
end: number
loc?: SourceLocation
range?: [number, number]
}
export const version: string
node_modules/webpack-bundle-analyzer/node_modules/acorn/dist/acorn.js
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node_modules/webpack-bundle-analyzer/node_modules/acorn/dist/acorn.mjs
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node_modules/webpack-bundle-analyzer/node_modules/acorn/dist/bin.js
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'use strict';
var path = require('path');
var fs = require('fs');
var acorn = require('./acorn.js');
function _interopNamespaceDefault(e) {
var n = Object.create(null);
if (e) {
Object.keys(e).forEach(function (k) {
if (k !== 'default') {
var d = Object.getOwnPropertyDescriptor(e, k);
Object.defineProperty(n, k, d.get ? d : {
enumerable: true,
get: function () { return e[k]; }
});
}
});
}
n.default = e;
return Object.freeze(n);
}
var acorn__namespace = /*#__PURE__*/_interopNamespaceDefault(acorn);
var inputFilePaths = [], forceFileName = false, fileMode = false, silent = false, compact = false, tokenize = false;
var options = {};
function help(status) {
var print = (status === 0) ? console.log : console.error;
print("usage: " + path.basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7|--ecma8|--ecma9|...|--ecma2015|--ecma2016|--ecma2017|--ecma2018|...]");
print(" [--tokenize] [--locations] [--allow-hash-bang] [--allow-await-outside-function] [--compact] [--silent] [--module] [--help] [--] [<infile>...]");
process.exit(status);
}
for (var i = 2; i < process.argv.length; ++i) {
var arg = process.argv[i];
if (arg[0] !== "-" || arg === "-") { inputFilePaths.push(arg); }
else if (arg === "--") {
inputFilePaths.push.apply(inputFilePaths, process.argv.slice(i + 1));
forceFileName = true;
break
} else if (arg === "--locations") { options.locations = true; }
else if (arg === "--allow-hash-bang") { options.allowHashBang = true; }
else if (arg === "--allow-await-outside-function") { options.allowAwaitOutsideFunction = true; }
else if (arg === "--silent") { silent = true; }
else if (arg === "--compact") { compact = true; }
else if (arg === "--help") { help(0); }
else if (arg === "--tokenize") { tokenize = true; }
else if (arg === "--module") { options.sourceType = "module"; }
else {
var match = arg.match(/^--ecma(\d+)$/);
if (match)
{ options.ecmaVersion = +match[1]; }
else
{ help(1); }
}
}
function run(codeList) {
var result = [], fileIdx = 0;
try {
codeList.forEach(function (code, idx) {
fileIdx = idx;
if (!tokenize) {
result = acorn__namespace.parse(code, options);
options.program = result;
} else {
var tokenizer = acorn__namespace.tokenizer(code, options), token;
do {
token = tokenizer.getToken();
result.push(token);
} while (token.type !== acorn__namespace.tokTypes.eof)
}
});
} catch (e) {
console.error(fileMode ? e.message.replace(/\(\d+:\d+\)$/, function (m) { return m.slice(0, 1) + inputFilePaths[fileIdx] + " " + m.slice(1); }) : e.message);
process.exit(1);
}
if (!silent) { console.log(JSON.stringify(result, function (_, value) { return typeof value === "bigint" ? null : value; }, compact ? null : 2)); }
}
if (fileMode = inputFilePaths.length && (forceFileName || !inputFilePaths.includes("-") || inputFilePaths.length !== 1)) {
run(inputFilePaths.map(function (path) { return fs.readFileSync(path, "utf8"); }));
} else {
var code = "";
process.stdin.resume();
process.stdin.on("data", function (chunk) { return code += chunk; });
process.stdin.on("end", function () { return run([code]); });
}
node_modules/webpack-bundle-analyzer/node_modules/acorn/package.json
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{
"name": "acorn",
"description": "ECMAScript parser",
"homepage": "https://github.com/acornjs/acorn",
"main": "dist/acorn.js",
"types": "dist/acorn.d.ts",
"module": "dist/acorn.mjs",
"exports": {
".": [
{
"import": "./dist/acorn.mjs",
"require": "./dist/acorn.js",
"default": "./dist/acorn.js"
},
"./dist/acorn.js"
],
"./package.json": "./package.json"
},
"version": "8.16.0",
"engines": {
"node": ">=0.4.0"
},
"maintainers": [
{
"name": "Marijn Haverbeke",
"email": "marijnh@gmail.com",
"web": "https://marijnhaverbeke.nl"
},
{
"name": "Ingvar Stepanyan",
"email": "me@rreverser.com",
"web": "https://rreverser.com/"
},
{
"name": "Adrian Heine",
"web": "http://adrianheine.de"
}
],
"repository": {
"type": "git",
"url": "git+https://github.com/acornjs/acorn.git"
},
"license": "MIT",
"scripts": {
"prepare": "cd ..; npm run build:main"
},
"bin": {
"acorn": "bin/acorn"
}
}
node_modules/webpack-bundle-analyzer/node_modules/commander/CHANGELOG.md
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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html). (Format adopted after v3.0.0.)
<!-- markdownlint-disable MD024 -->
<!-- markdownlint-disable MD004 -->
## [7.2.0] (2021-03-26)
### Added
- TypeScript typing for `parent` property on `Command` ([#1475])
- TypeScript typing for `.attributeName()` on `Option` ([#1483])
- support information in package ([#1477])
### Changed
- improvements to error messages, README, and tests
- update dependencies
## [7.1.0] (2021-02-15)
### Added
- support for named imports from ECMAScript modules ([#1440])
- add `.cjs` to list of expected script file extensions ([#1449])
- allow using option choices and variadic together ([#1454])
### Fixed
- replace use of deprecated `process.mainModule` ([#1448])
- regression for legacy `command('*')` and call when command line includes options ([#1464])
- regression for `on('command:*', ...)` and call when command line includes unknown options ([#1464])
- display best error for combination of unknown command and unknown option (i.e. unknown command) ([#1464])
### Changed
- make TypeScript typings tests stricter ([#1453])
- improvements to README and tests
## [7.0.0] (2021-01-15)
### Added
- `.enablePositionalOptions()` to let program and subcommand reuse same option ([#1427])
- `.passThroughOptions()` to pass options through to other programs without needing `--` ([#1427])
- `.allowExcessArguments(false)` to show an error message if there are too many command-arguments on command line for the action handler ([#1409])
- `.configureOutput()` to modify use of stdout and stderr or customise display of errors ([#1387])
- use `.addHelpText()` to add text before or after the built-in help, for just current command or also for all subcommands ([#1296])
- enhance Option class ([#1331])
- allow hiding options from help
- allow restricting option arguments to a list of choices
- allow setting how default value is shown in help
- `.createOption()` to support subclassing of automatically created options (like `.createCommand()`) ([#1380])
- refactor the code generating the help into a separate public Help class ([#1365])
- support sorting subcommands and options in help
- support specifying wrap width (columns)
- allow subclassing Help class
- allow configuring Help class without subclassing
### Changed
- *Breaking:* options are stored safely by default, not as properties on the command ([#1409])
- this especially affects accessing options on program, use `program.opts()`
- revert behaviour with `.storeOptionsAsProperties()`
- *Breaking:* action handlers are passed options and command separately ([#1409])
- deprecated callback parameter to `.help()` and `.outputHelp()` (removed from README) ([#1296])
- *Breaking:* errors now displayed using `process.stderr.write()` instead of `console.error()`
- deprecate `.on('--help')` (removed from README) ([#1296])
- initialise the command description to empty string (previously undefined) ([#1365])
- document and annotate deprecated routines ([#1349])
### Fixed
- wrapping bugs in help ([#1365])
- first line of command description was wrapping two characters early
- pad width calculation was not including help option and help command
- pad width calculation was including hidden options and commands
- improve backwards compatibility for custom command event listeners ([#1403])
### Deleted
- *Breaking:* `.passCommandToAction()` ([#1409])
- no longer needed as action handler is passed options and command
- *Breaking:* "extra arguments" parameter to action handler ([#1409])
- if being used to detect excess arguments, there is now an error available by setting `.allowExcessArguments(false)`
### Migration Tips
The biggest change is the parsed option values. Previously the options were stored by default as properties on the command object, and now the options are stored separately.
If you wish to restore the old behaviour and get running quickly you can call `.storeOptionsAsProperties()`.
To allow you to move to the new code patterns incrementally, the action handler will be passed the command _twice_,
to match the new "options" and "command" parameters (see below).
**program options**
Use the `.opts()` method to access the options. This is available on any command but is used most with the program.
```js
program.option('-d, --debug');
program.parse();
// Old code before Commander 7
if (program.debug) console.log(`Program name is ${program.name()}`);
```
```js
// New code
const options = program.opts();
if (options.debug) console.log(`Program name is ${program.name()}`);
```
**action handler**
The action handler gets passed a parameter for each command-argument you declared. Previously by default the next parameter was the command object with the options as properties. Now the next two parameters are instead the options and the command. If you
only accessed the options there may be no code changes required.
```js
program
.command('compress <filename>')
.option('-t, --trace')
// Old code before Commander 7
.action((filename, cmd)) => {
if (cmd.trace) console.log(`Command name is ${cmd.name()}`);
});
```
```js
// New code
.action((filename, options, command)) => {
if (options.trace) console.log(`Command name is ${command.name()}`);
});
```
If you already set `.storeOptionsAsProperties(false)` you may still need to adjust your code.
```js
program
.command('compress <filename>')
.storeOptionsAsProperties(false)
.option('-t, --trace')
// Old code before Commander 7
.action((filename, command)) => {
if (command.opts().trace) console.log(`Command name is ${command.name()}`);
});
```
```js
// New code
.action((filename, options, command)) => {
if (command.opts().trace) console.log(`Command name is ${command.name()}`);
});
```
## [7.0.0-2] (2020-12-14)
(Released in 7.0.0)
## [7.0.0-1] (2020-11-21)
(Released in 7.0.0)
## [7.0.0-0] (2020-10-25)
(Released in 7.0.0)
## [6.2.1] (2020-12-13)
### Fixed
- some tests failed if directory path included a space ([1390])
## [6.2.0] (2020-10-25)
### Added
- added 'tsx' file extension for stand-alone executable subcommands ([#1368])
- documented second parameter to `.description()` to describe command arguments ([#1353])
- documentation of special cases with options taking varying numbers of option-arguments ([#1332])
- documentation for terminology ([#1361])
### Fixed
- add missing TypeScript definition for `.addHelpCommand()' ([#1375])
- removed blank line after "Arguments:" in help, to match "Options:" and "Commands:" ([#1360])
### Changed
- update dependencies
## [6.1.0] (2020-08-28)
### Added
- include URL to relevant section of README for error for potential conflict between Command properties and option values ([#1306])
- `.combineFlagAndOptionalValue(false)` to ease upgrade path from older versions of Commander ([#1326])
- allow disabling the built-in help option using `.helpOption(false)` ([#1325])
- allow just some arguments in `argumentDescription` to `.description()` ([#1323])
### Changed
- tidy async test and remove lint override ([#1312])
### Fixed
- executable subcommand launching when script path not known ([#1322])
## [6.0.0] (2020-07-21)
### Added
- add support for variadic options ([#1250])
- allow options to be added with just a short flag ([#1256])
- *Breaking* the option property has same case as flag. e.g. flag `-n` accessed as `opts().n` (previously uppercase)
- *Breaking* throw an error if there might be a clash between option name and a Command property, with advice on how to resolve ([#1275])
### Fixed
- Options which contain -no- in the middle of the option flag should not be treated as negatable. ([#1301])
## [6.0.0-0] (2020-06-20)
(Released in 6.0.0)
## [5.1.0] (2020-04-25)
### Added
- support for multiple command aliases, the first of which is shown in the auto-generated help ([#531], [#1236])
- configuration support in `addCommand()` for `hidden` and `isDefault` ([#1232])
### Fixed
- omit masked help flags from the displayed help ([#645], [#1247])
- remove old short help flag when change help flags using `helpOption` ([#1248])
### Changed
- remove use of `arguments` to improve auto-generated help in editors ([#1235])
- rename `.command()` configuration `noHelp` to `hidden` (but not remove old support) ([#1232])
- improvements to documentation
- update dependencies
- update tested versions of node
- eliminate lint errors in TypeScript ([#1208])
## [5.0.0] (2020-03-14)
### Added
* support for nested commands with action-handlers ([#1] [#764] [#1149])
* `.addCommand()` for adding a separately configured command ([#764] [#1149])
* allow a non-executable to be set as the default command ([#742] [#1149])
* implicit help command when there are subcommands (previously only if executables) ([#1149])
* customise implicit help command with `.addHelpCommand()` ([#1149])
* display error message for unknown subcommand, by default ([#432] [#1088] [#1149])
* display help for missing subcommand, by default ([#1088] [#1149])
* combined short options as single argument may include boolean flags and value flag and value (e.g. `-a -b -p 80` can be written as `-abp80`) ([#1145])
* `.parseOption()` includes short flag and long flag expansions ([#1145])
* `.helpInformation()` returns help text as a string, previously a private routine ([#1169])
* `.parse()` implicitly uses `process.argv` if arguments not specified ([#1172])
* optionally specify where `.parse()` arguments "from", if not following node conventions ([#512] [#1172])
* suggest help option along with unknown command error ([#1179])
* TypeScript definition for `commands` property of `Command` ([#1184])
* export `program` property ([#1195])
* `createCommand` factory method to simplify subclassing ([#1191])
### Fixed
* preserve argument order in subcommands ([#508] [#962] [#1138])
* do not emit `command:*` for executable subcommands ([#809] [#1149])
* action handler called whether or not there are non-option arguments ([#1062] [#1149])
* combining option short flag and value in single argument now works for subcommands ([#1145])
* only add implicit help command when it will not conflict with other uses of argument ([#1153] [#1149])
* implicit help command works with command aliases ([#948] [#1149])
* options are validated whether or not there is an action handler ([#1149])
### Changed
* *Breaking* `.args` contains command arguments with just recognised options removed ([#1032] [#1138])
* *Breaking* display error if required argument for command is missing ([#995] [#1149])
* tighten TypeScript definition of custom option processing function passed to `.option()` ([#1119])
* *Breaking* `.allowUnknownOption()` ([#802] [#1138])
* unknown options included in arguments passed to command action handler
* unknown options included in `.args`
* only recognised option short flags and long flags are expanded (e.g. `-ab` or `--foo=bar`) ([#1145])
* *Breaking* `.parseOptions()` ([#1138])
* `args` in returned result renamed `operands` and does not include anything after first unknown option
* `unknown` in returned result has arguments after first unknown option including operands, not just options and values
* *Breaking* `.on('command:*', callback)` and other command events passed (changed) results from `.parseOptions`, i.e. operands and unknown ([#1138])
* refactor Option from prototype to class ([#1133])
* refactor Command from prototype to class ([#1159])
* changes to error handling ([#1165])
* throw for author error, not just display message
* preflight for variadic error
* add tips to missing subcommand executable
* TypeScript fluent return types changed to be more subclass friendly, return `this` rather than `Command` ([#1180])
* `.parseAsync` returns `Promise<this>` to be consistent with `.parse()` ([#1180])
* update dependencies
### Removed
* removed EventEmitter from TypeScript definition for Command, eliminating implicit peer dependency on `@types/node` ([#1146])
* removed private function `normalize` (the functionality has been integrated into `parseOptions`) ([#1145])
* `parseExpectedArgs` is now private ([#1149])
### Migration Tips
If you use `.on('command:*')` or more complicated tests to detect an unrecognised subcommand, you may be able to delete the code and rely on the default behaviour.
If you use `program.args` or more complicated tests to detect a missing subcommand, you may be able to delete the code and rely on the default behaviour.
If you use `.command('*')` to add a default command, you may be be able to switch to `isDefault:true` with a named command.
If you want to continue combining short options with optional values as though they were boolean flags, set `combineFlagAndOptionalValue(false)`
to expand `-fb` to `-f -b` rather than `-f b`.
## [5.0.0-4] (2020-03-03)
(Released in 5.0.0)
## [5.0.0-3] (2020-02-20)
(Released in 5.0.0)
## [5.0.0-2] (2020-02-10)
(Released in 5.0.0)
## [5.0.0-1] (2020-02-08)
(Released in 5.0.0)
## [5.0.0-0] (2020-02-02)
(Released in 5.0.0)
## Older versions
* [4.x](./changelogs/CHANGELOG-4.md)
* [3.x](./changelogs/CHANGELOG-3.md)
* [2.x](./changelogs/CHANGELOG-2.md)
* [1.x](./changelogs/CHANGELOG-1.md)
* [0.x](./changelogs/CHANGELOG-0.md)
[#1]: https://github.com/tj/commander.js/issues/1
[#432]: https://github.com/tj/commander.js/issues/432
[#508]: https://github.com/tj/commander.js/issues/508
[#512]: https://github.com/tj/commander.js/issues/512
[#531]: https://github.com/tj/commander.js/issues/531
[#645]: https://github.com/tj/commander.js/issues/645
[#742]: https://github.com/tj/commander.js/issues/742
[#764]: https://github.com/tj/commander.js/issues/764
[#802]: https://github.com/tj/commander.js/issues/802
[#809]: https://github.com/tj/commander.js/issues/809
[#948]: https://github.com/tj/commander.js/issues/948
[#962]: https://github.com/tj/commander.js/issues/962
[#995]: https://github.com/tj/commander.js/issues/995
[#1032]: https://github.com/tj/commander.js/issues/1032
[#1062]: https://github.com/tj/commander.js/pull/1062
[#1088]: https://github.com/tj/commander.js/issues/1088
[#1119]: https://github.com/tj/commander.js/pull/1119
[#1133]: https://github.com/tj/commander.js/pull/1133
[#1138]: https://github.com/tj/commander.js/pull/1138
[#1145]: https://github.com/tj/commander.js/pull/1145
[#1146]: https://github.com/tj/commander.js/pull/1146
[#1149]: https://github.com/tj/commander.js/pull/1149
[#1153]: https://github.com/tj/commander.js/issues/1153
[#1159]: https://github.com/tj/commander.js/pull/1159
[#1165]: https://github.com/tj/commander.js/pull/1165
[#1169]: https://github.com/tj/commander.js/pull/1169
[#1172]: https://github.com/tj/commander.js/pull/1172
[#1179]: https://github.com/tj/commander.js/pull/1179
[#1180]: https://github.com/tj/commander.js/pull/1180
[#1184]: https://github.com/tj/commander.js/pull/1184
[#1191]: https://github.com/tj/commander.js/pull/1191
[#1195]: https://github.com/tj/commander.js/pull/1195
[#1208]: https://github.com/tj/commander.js/pull/1208
[#1232]: https://github.com/tj/commander.js/pull/1232
[#1235]: https://github.com/tj/commander.js/pull/1235
[#1236]: https://github.com/tj/commander.js/pull/1236
[#1247]: https://github.com/tj/commander.js/pull/1247
[#1248]: https://github.com/tj/commander.js/pull/1248
[#1250]: https://github.com/tj/commander.js/pull/1250
[#1256]: https://github.com/tj/commander.js/pull/1256
[#1275]: https://github.com/tj/commander.js/pull/1275
[#1296]: https://github.com/tj/commander.js/pull/1296
[#1301]: https://github.com/tj/commander.js/issues/1301
[#1306]: https://github.com/tj/commander.js/pull/1306
[#1312]: https://github.com/tj/commander.js/pull/1312
[#1322]: https://github.com/tj/commander.js/pull/1322
[#1323]: https://github.com/tj/commander.js/pull/1323
[#1325]: https://github.com/tj/commander.js/pull/1325
[#1326]: https://github.com/tj/commander.js/pull/1326
[#1331]: https://github.com/tj/commander.js/pull/1331
[#1332]: https://github.com/tj/commander.js/pull/1332
[#1349]: https://github.com/tj/commander.js/pull/1349
[#1353]: https://github.com/tj/commander.js/pull/1353
[#1360]: https://github.com/tj/commander.js/pull/1360
[#1361]: https://github.com/tj/commander.js/pull/1361
[#1365]: https://github.com/tj/commander.js/pull/1365
[#1368]: https://github.com/tj/commander.js/pull/1368
[#1375]: https://github.com/tj/commander.js/pull/1375
[#1380]: https://github.com/tj/commander.js/pull/1380
[#1387]: https://github.com/tj/commander.js/pull/1387
[#1390]: https://github.com/tj/commander.js/pull/1390
[#1403]: https://github.com/tj/commander.js/pull/1403
[#1409]: https://github.com/tj/commander.js/pull/1409
[#1427]: https://github.com/tj/commander.js/pull/1427
[#1440]: https://github.com/tj/commander.js/pull/1440
[#1448]: https://github.com/tj/commander.js/pull/1448
[#1449]: https://github.com/tj/commander.js/pull/1449
[#1453]: https://github.com/tj/commander.js/pull/1453
[#1454]: https://github.com/tj/commander.js/pull/1454
[#1464]: https://github.com/tj/commander.js/pull/1464
[#1475]: https://github.com/tj/commander.js/pull/1475
[#1477]: https://github.com/tj/commander.js/pull/1477
[#1483]: https://github.com/tj/commander.js/pull/1483
[Unreleased]: https://github.com/tj/commander.js/compare/master...develop
[7.2.0]: https://github.com/tj/commander.js/compare/v7.1.0...v7.2.0
[7.1.0]: https://github.com/tj/commander.js/compare/v7.0.0...v7.1.0
[7.0.0]: https://github.com/tj/commander.js/compare/v6.2.1...v7.0.0
[7.0.0-2]: https://github.com/tj/commander.js/compare/v7.0.0-1...v7.0.0-2
[7.0.0-1]: https://github.com/tj/commander.js/compare/v7.0.0-0...v7.0.0-1
[7.0.0-0]: https://github.com/tj/commander.js/compare/v6.2.0...v7.0.0-0
[6.2.1]: https://github.com/tj/commander.js/compare/v6.2.0..v6.2.1
[6.2.0]: https://github.com/tj/commander.js/compare/v6.1.0..v6.2.0
[6.1.0]: https://github.com/tj/commander.js/compare/v6.0.0..v6.1.0
[6.0.0]: https://github.com/tj/commander.js/compare/v5.1.0..v6.0.0
[6.0.0-0]: https://github.com/tj/commander.js/compare/v5.1.0..v6.0.0-0
[5.1.0]: https://github.com/tj/commander.js/compare/v5.0.0..v5.1.0
[5.0.0]: https://github.com/tj/commander.js/compare/v4.1.1..v5.0.0
[5.0.0-4]: https://github.com/tj/commander.js/compare/v5.0.0-3..v5.0.0-4
[5.0.0-3]: https://github.com/tj/commander.js/compare/v5.0.0-2..v5.0.0-3
[5.0.0-2]: https://github.com/tj/commander.js/compare/v5.0.0-1..v5.0.0-2
[5.0.0-1]: https://github.com/tj/commander.js/compare/v5.0.0-0..v5.0.0-1
[5.0.0-0]: https://github.com/tj/commander.js/compare/v4.1.1..v5.0.0-0
node_modules/webpack-bundle-analyzer/node_modules/commander/LICENSE
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(The MIT License)
Copyright (c) 2011 TJ Holowaychuk <tj@vision-media.ca>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
node_modules/webpack-bundle-analyzer/node_modules/commander/Readme.md
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# Commander.js
[![Build Status](https://github.com/tj/commander.js/workflows/build/badge.svg)](https://github.com/tj/commander.js/actions?query=workflow%3A%22build%22)
[![NPM Version](http://img.shields.io/npm/v/commander.svg?style=flat)](https://www.npmjs.org/package/commander)
[![NPM Downloads](https://img.shields.io/npm/dm/commander.svg?style=flat)](https://npmcharts.com/compare/commander?minimal=true)
[![Install Size](https://packagephobia.now.sh/badge?p=commander)](https://packagephobia.now.sh/result?p=commander)
The complete solution for [node.js](http://nodejs.org) command-line interfaces.
Read this in other languages: English | [简体中文](./Readme_zh-CN.md)
- [Commander.js](#commanderjs)
- [Installation](#installation)
- [Declaring _program_ variable](#declaring-program-variable)
- [Options](#options)
- [Common option types, boolean and value](#common-option-types-boolean-and-value)
- [Default option value](#default-option-value)
- [Other option types, negatable boolean and boolean|value](#other-option-types-negatable-boolean-and-booleanvalue)
- [Required option](#required-option)
- [Variadic option](#variadic-option)
- [Version option](#version-option)
- [More configuration](#more-configuration)
- [Custom option processing](#custom-option-processing)
- [Commands](#commands)
- [Specify the argument syntax](#specify-the-argument-syntax)
- [Action handler](#action-handler)
- [Stand-alone executable (sub)commands](#stand-alone-executable-subcommands)
- [Automated help](#automated-help)
- [Custom help](#custom-help)
- [Display help from code](#display-help-from-code)
- [.usage and .name](#usage-and-name)
- [.helpOption(flags, description)](#helpoptionflags-description)
- [.addHelpCommand()](#addhelpcommand)
- [More configuration](#more-configuration-1)
- [Custom event listeners](#custom-event-listeners)
- [Bits and pieces](#bits-and-pieces)
- [.parse() and .parseAsync()](#parse-and-parseasync)
- [Parsing Configuration](#parsing-configuration)
- [Legacy options as properties](#legacy-options-as-properties)
- [TypeScript](#typescript)
- [createCommand()](#createcommand)
- [Node options such as `--harmony`](#node-options-such-as---harmony)
- [Debugging stand-alone executable subcommands](#debugging-stand-alone-executable-subcommands)
- [Override exit and output handling](#override-exit-and-output-handling)
- [Additional documentation](#additional-documentation)
- [Examples](#examples)
- [Support](#support)
- [Commander for enterprise](#commander-for-enterprise)
For information about terms used in this document see: [terminology](./docs/terminology.md)
## Installation
```bash
npm install commander
```
## Declaring _program_ variable
Commander exports a global object which is convenient for quick programs.
This is used in the examples in this README for brevity.
```js
const { program } = require('commander');
program.version('0.0.1');
```
For larger programs which may use commander in multiple ways, including unit testing, it is better to create a local Command object to use.
```js
const { Command } = require('commander');
const program = new Command();
program.version('0.0.1');
```
For named imports in ECMAScript modules, import from `commander/esm.mjs`.
```js
// index.mjs
import { Command } from 'commander/esm.mjs';
const program = new Command();
```
And in TypeScript:
```ts
// index.ts
import { Command } from 'commander';
const program = new Command();
```
## Options
Options are defined with the `.option()` method, also serving as documentation for the options. Each option can have a short flag (single character) and a long name, separated by a comma or space or vertical bar ('|').
The parsed options can be accessed by calling `.opts()` on a `Command` object, and are passed to the action handler. Multi-word options such as "--template-engine" are camel-cased, becoming `program.opts().templateEngine` etc.
Multiple short flags may optionally be combined in a single argument following the dash: boolean flags, followed by a single option taking a value (possibly followed by the value).
For example `-a -b -p 80` may be written as `-ab -p80` or even `-abp80`.
You can use `--` to indicate the end of the options, and any remaining arguments will be used without being interpreted.
By default options on the command line are not positional, and can be specified before or after other arguments.
### Common option types, boolean and value
The two most used option types are a boolean option, and an option which takes its value
from the following argument (declared with angle brackets like `--expect <value>`). Both are `undefined` unless specified on command line.
Example file: [options-common.js](./examples/options-common.js)
```js
program
.option('-d, --debug', 'output extra debugging')
.option('-s, --small', 'small pizza size')
.option('-p, --pizza-type <type>', 'flavour of pizza');
program.parse(process.argv);
const options = program.opts();
if (options.debug) console.log(options);
console.log('pizza details:');
if (options.small) console.log('- small pizza size');
if (options.pizzaType) console.log(`- ${options.pizzaType}`);
```
```bash
$ pizza-options -d
{ debug: true, small: undefined, pizzaType: undefined }
pizza details:
$ pizza-options -p
error: option '-p, --pizza-type <type>' argument missing
$ pizza-options -ds -p vegetarian
{ debug: true, small: true, pizzaType: 'vegetarian' }
pizza details:
- small pizza size
- vegetarian
$ pizza-options --pizza-type=cheese
pizza details:
- cheese
```
`program.parse(arguments)` processes the arguments, leaving any args not consumed by the program options in the `program.args` array. The parameter is optional and defaults to `process.argv`.
### Default option value
You can specify a default value for an option which takes a value.
Example file: [options-defaults.js](./examples/options-defaults.js)
```js
program
.option('-c, --cheese <type>', 'add the specified type of cheese', 'blue');
program.parse();
console.log(`cheese: ${program.opts().cheese}`);
```
```bash
$ pizza-options
cheese: blue
$ pizza-options --cheese stilton
cheese: stilton
```
### Other option types, negatable boolean and boolean|value
You can define a boolean option long name with a leading `no-` to set the option value to false when used.
Defined alone this also makes the option true by default.
If you define `--foo` first, adding `--no-foo` does not change the default value from what it would
otherwise be. You can specify a default boolean value for a boolean option and it can be overridden on command line.
Example file: [options-negatable.js](./examples/options-negatable.js)
```js
program
.option('--no-sauce', 'Remove sauce')
.option('--cheese <flavour>', 'cheese flavour', 'mozzarella')
.option('--no-cheese', 'plain with no cheese')
.parse();
const options = program.opts();
const sauceStr = options.sauce ? 'sauce' : 'no sauce';
const cheeseStr = (options.cheese === false) ? 'no cheese' : `${options.cheese} cheese`;
console.log(`You ordered a pizza with ${sauceStr} and ${cheeseStr}`);
```
```bash
$ pizza-options
You ordered a pizza with sauce and mozzarella cheese
$ pizza-options --sauce
error: unknown option '--sauce'
$ pizza-options --cheese=blue
You ordered a pizza with sauce and blue cheese
$ pizza-options --no-sauce --no-cheese
You ordered a pizza with no sauce and no cheese
```
You can specify an option which may be used as a boolean option but may optionally take an option-argument
(declared with square brackets like `--optional [value]`).
Example file: [options-boolean-or-value.js](./examples/options-boolean-or-value.js)
```js
program
.option('-c, --cheese [type]', 'Add cheese with optional type');
program.parse(process.argv);
const options = program.opts();
if (options.cheese === undefined) console.log('no cheese');
else if (options.cheese === true) console.log('add cheese');
else console.log(`add cheese type ${options.cheese}`);
```
```bash
$ pizza-options
no cheese
$ pizza-options --cheese
add cheese
$ pizza-options --cheese mozzarella
add cheese type mozzarella
```
For information about possible ambiguous cases, see [options taking varying arguments](./docs/options-taking-varying-arguments.md).
### Required option
You may specify a required (mandatory) option using `.requiredOption`. The option must have a value after parsing, usually specified on the command line, or perhaps from a default value (say from environment). The method is otherwise the same as `.option` in format, taking flags and description, and optional default value or custom processing.
Example file: [options-required.js](./examples/options-required.js)
```js
program
.requiredOption('-c, --cheese <type>', 'pizza must have cheese');
program.parse();
```
```bash
$ pizza
error: required option '-c, --cheese <type>' not specified
```
### Variadic option
You may make an option variadic by appending `...` to the value placeholder when declaring the option. On the command line you
can then specify multiple option-arguments, and the parsed option value will be an array. The extra arguments
are read until the first argument starting with a dash. The special argument `--` stops option processing entirely. If a value
is specified in the same argument as the option then no further values are read.
Example file: [options-variadic.js](./examples/options-variadic.js)
```js
program
.option('-n, --number <numbers...>', 'specify numbers')
.option('-l, --letter [letters...]', 'specify letters');
program.parse();
console.log('Options: ', program.opts());
console.log('Remaining arguments: ', program.args);
```
```bash
$ collect -n 1 2 3 --letter a b c
Options: { number: [ '1', '2', '3' ], letter: [ 'a', 'b', 'c' ] }
Remaining arguments: []
$ collect --letter=A -n80 operand
Options: { number: [ '80' ], letter: [ 'A' ] }
Remaining arguments: [ 'operand' ]
$ collect --letter -n 1 -n 2 3 -- operand
Options: { number: [ '1', '2', '3' ], letter: true }
Remaining arguments: [ 'operand' ]
```
For information about possible ambiguous cases, see [options taking varying arguments](./docs/options-taking-varying-arguments.md).
### Version option
The optional `version` method adds handling for displaying the command version. The default option flags are `-V` and `--version`, and when present the command prints the version number and exits.
```js
program.version('0.0.1');
```
```bash
$ ./examples/pizza -V
0.0.1
```
You may change the flags and description by passing additional parameters to the `version` method, using
the same syntax for flags as the `option` method.
```js
program.version('0.0.1', '-v, --vers', 'output the current version');
```
### More configuration
You can add most options using the `.option()` method, but there are some additional features available
by constructing an `Option` explicitly for less common cases.
Example file: [options-extra.js](./examples/options-extra.js)
```js
program
.addOption(new Option('-s, --secret').hideHelp())
.addOption(new Option('-t, --timeout <delay>', 'timeout in seconds').default(60, 'one minute'))
.addOption(new Option('-d, --drink <size>', 'drink size').choices(['small', 'medium', 'large']));
```
```bash
$ extra --help
Usage: help [options]
Options:
-t, --timeout <delay> timeout in seconds (default: one minute)
-d, --drink <size> drink cup size (choices: "small", "medium", "large")
-h, --help display help for command
$ extra --drink huge
error: option '-d, --drink <size>' argument 'huge' is invalid. Allowed choices are small, medium, large.
```
### Custom option processing
You may specify a function to do custom processing of option-arguments. The callback function receives two parameters,
the user specified option-argument and the previous value for the option. It returns the new value for the option.
This allows you to coerce the option-argument to the desired type, or accumulate values, or do entirely custom processing.
You can optionally specify the default/starting value for the option after the function parameter.
Example file: [options-custom-processing.js](./examples/options-custom-processing.js)
```js
function myParseInt(value, dummyPrevious) {
// parseInt takes a string and a radix
const parsedValue = parseInt(value, 10);
if (isNaN(parsedValue)) {
throw new commander.InvalidOptionArgumentError('Not a number.');
}
return parsedValue;
}
function increaseVerbosity(dummyValue, previous) {
return previous + 1;
}
function collect(value, previous) {
return previous.concat([value]);
}
function commaSeparatedList(value, dummyPrevious) {
return value.split(',');
}
program
.option('-f, --float <number>', 'float argument', parseFloat)
.option('-i, --integer <number>', 'integer argument', myParseInt)
.option('-v, --verbose', 'verbosity that can be increased', increaseVerbosity, 0)
.option('-c, --collect <value>', 'repeatable value', collect, [])
.option('-l, --list <items>', 'comma separated list', commaSeparatedList)
;
program.parse();
const options = program.opts();
if (options.float !== undefined) console.log(`float: ${options.float}`);
if (options.integer !== undefined) console.log(`integer: ${options.integer}`);
if (options.verbose > 0) console.log(`verbosity: ${options.verbose}`);
if (options.collect.length > 0) console.log(options.collect);
if (options.list !== undefined) console.log(options.list);
```
```bash
$ custom -f 1e2
float: 100
$ custom --integer 2
integer: 2
$ custom -v -v -v
verbose: 3
$ custom -c a -c b -c c
[ 'a', 'b', 'c' ]
$ custom --list x,y,z
[ 'x', 'y', 'z' ]
```
## Commands
You can specify (sub)commands using `.command()` or `.addCommand()`. There are two ways these can be implemented: using an action handler attached to the command, or as a stand-alone executable file (described in more detail later). The subcommands may be nested ([example](./examples/nestedCommands.js)).
In the first parameter to `.command()` you specify the command name and any command-arguments. The arguments may be `<required>` or `[optional]`, and the last argument may also be `variadic...`.
You can use `.addCommand()` to add an already configured subcommand to the program.
For example:
```js
// Command implemented using action handler (description is supplied separately to `.command`)
// Returns new command for configuring.
program
.command('clone <source> [destination]')
.description('clone a repository into a newly created directory')
.action((source, destination) => {
console.log('clone command called');
});
// Command implemented using stand-alone executable file (description is second parameter to `.command`)
// Returns `this` for adding more commands.
program
.command('start <service>', 'start named service')
.command('stop [service]', 'stop named service, or all if no name supplied');
// Command prepared separately.
// Returns `this` for adding more commands.
program
.addCommand(build.makeBuildCommand());
```
Configuration options can be passed with the call to `.command()` and `.addCommand()`. Specifying `hidden: true` will
remove the command from the generated help output. Specifying `isDefault: true` will run the subcommand if no other
subcommand is specified ([example](./examples/defaultCommand.js)).
### Specify the argument syntax
You use `.arguments` to specify the expected command-arguments for the top-level command, and for subcommands they are usually
included in the `.command` call. Angled brackets (e.g. `<required>`) indicate required command-arguments.
Square brackets (e.g. `[optional]`) indicate optional command-arguments.
You can optionally describe the arguments in the help by supplying a hash as second parameter to `.description()`.
Example file: [arguments.js](./examples/arguments.js)
```js
program
.version('0.1.0')
.arguments('<username> [password]')
.description('test command', {
username: 'user to login',
password: 'password for user, if required'
})
.action((username, password) => {
console.log('username:', username);
console.log('environment:', password || 'no password given');
});
```
The last argument of a command can be variadic, and only the last argument. To make an argument variadic you
append `...` to the argument name. For example:
```js
program
.version('0.1.0')
.command('rmdir <dirs...>')
.action(function (dirs) {
dirs.forEach((dir) => {
console.log('rmdir %s', dir);
});
});
```
The variadic argument is passed to the action handler as an array.
### Action handler
The action handler gets passed a parameter for each command-argument you declared, and two additional parameters
which are the parsed options and the command object itself.
Example file: [thank.js](./examples/thank.js)
```js
program
.arguments('<name>')
.option('-t, --title <honorific>', 'title to use before name')
.option('-d, --debug', 'display some debugging')
.action((name, options, command) => {
if (options.debug) {
console.error('Called %s with options %o', command.name(), options);
}
const title = options.title ? `${options.title} ` : '';
console.log(`Thank-you ${title}${name}`);
});
```
You may supply an `async` action handler, in which case you call `.parseAsync` rather than `.parse`.
```js
async function run() { /* code goes here */ }
async function main() {
program
.command('run')
.action(run);
await program.parseAsync(process.argv);
}
```
A command's options and arguments on the command line are validated when the command is used. Any unknown options or missing arguments will be reported as an error. You can suppress the unknown option checks with `.allowUnknownOption()`. By default it is not an error to
pass more arguments than declared, but you can make this an error with `.allowExcessArguments(false)`.
### Stand-alone executable (sub)commands
When `.command()` is invoked with a description argument, this tells Commander that you're going to use stand-alone executables for subcommands.
Commander will search the executables in the directory of the entry script (like `./examples/pm`) with the name `program-subcommand`, like `pm-install`, `pm-search`.
You can specify a custom name with the `executableFile` configuration option.
You handle the options for an executable (sub)command in the executable, and don't declare them at the top-level.
Example file: [pm](./examples/pm)
```js
program
.version('0.1.0')
.command('install [name]', 'install one or more packages')
.command('search [query]', 'search with optional query')
.command('update', 'update installed packages', { executableFile: 'myUpdateSubCommand' })
.command('list', 'list packages installed', { isDefault: true });
program.parse(process.argv);
```
If the program is designed to be installed globally, make sure the executables have proper modes, like `755`.
## Automated help
The help information is auto-generated based on the information commander already knows about your program. The default
help option is `-h,--help`.
Example file: [pizza](./examples/pizza)
```bash
$ node ./examples/pizza --help
Usage: pizza [options]
An application for pizza ordering
Options:
-p, --peppers Add peppers
-c, --cheese <type> Add the specified type of cheese (default: "marble")
-C, --no-cheese You do not want any cheese
-h, --help display help for command
```
A `help` command is added by default if your command has subcommands. It can be used alone, or with a subcommand name to show
further help for the subcommand. These are effectively the same if the `shell` program has implicit help:
```bash
shell help
shell --help
shell help spawn
shell spawn --help
```
### Custom help
You can add extra text to be displayed along with the built-in help.
Example file: [custom-help](./examples/custom-help)
```js
program
.option('-f, --foo', 'enable some foo');
program.addHelpText('after', `
Example call:
$ custom-help --help`);
```
Yields the following help output:
```Text
Usage: custom-help [options]
Options:
-f, --foo enable some foo
-h, --help display help for command
Example call:
$ custom-help --help
```
The positions in order displayed are:
- `beforeAll`: add to the program for a global banner or header
- `before`: display extra information before built-in help
- `after`: display extra information after built-in help
- `afterAll`: add to the program for a global footer (epilog)
The positions "beforeAll" and "afterAll" apply to the command and all its subcommands.
The second parameter can be a string, or a function returning a string. The function is passed a context object for your convenience. The properties are:
- error: a boolean for whether the help is being displayed due to a usage error
- command: the Command which is displaying the help
### Display help from code
`.help()`: display help information and exit immediately. You can optionally pass `{ error: true }` to display on stderr and exit with an error status.
`.outputHelp()`: output help information without exiting. You can optionally pass `{ error: true }` to display on stderr.
`.helpInformation()`: get the built-in command help information as a string for processing or displaying yourself.
### .usage and .name
These allow you to customise the usage description in the first line of the help. The name is otherwise
deduced from the (full) program arguments. Given:
```js
program
.name("my-command")
.usage("[global options] command")
```
The help will start with:
```Text
Usage: my-command [global options] command
```
### .helpOption(flags, description)
By default every command has a help option. Override the default help flags and description. Pass false to disable the built-in help option.
```js
program
.helpOption('-e, --HELP', 'read more information');
```
### .addHelpCommand()
A help command is added by default if your command has subcommands. You can explicitly turn on or off the implicit help command with `.addHelpCommand()` and `.addHelpCommand(false)`.
You can both turn on and customise the help command by supplying the name and description:
```js
program.addHelpCommand('assist [command]', 'show assistance');
```
### More configuration
The built-in help is formatted using the Help class.
You can configure the Help behaviour by modifying data properties and methods using `.configureHelp()`, or by subclassing using `.createHelp()` if you prefer.
The data properties are:
- `helpWidth`: specify the wrap width, useful for unit tests
- `sortSubcommands`: sort the subcommands alphabetically
- `sortOptions`: sort the options alphabetically
There are methods getting the visible lists of arguments, options, and subcommands. There are methods for formatting the items in the lists, with each item having a _term_ and _description_. Take a look at `.formatHelp()` to see how they are used.
Example file: [configure-help.js](./examples/configure-help.js)
```
program.configureHelp({
sortSubcommands: true,
subcommandTerm: (cmd) => cmd.name() // Just show the name, instead of short usage.
});
```
## Custom event listeners
You can execute custom actions by listening to command and option events.
```js
program.on('option:verbose', function () {
process.env.VERBOSE = this.opts().verbose;
});
program.on('command:*', function (operands) {
console.error(`error: unknown command '${operands[0]}'`);
const availableCommands = program.commands.map(cmd => cmd.name());
mySuggestBestMatch(operands[0], availableCommands);
process.exitCode = 1;
});
```
## Bits and pieces
### .parse() and .parseAsync()
The first argument to `.parse` is the array of strings to parse. You may omit the parameter to implicitly use `process.argv`.
If the arguments follow different conventions than node you can pass a `from` option in the second parameter:
- 'node': default, `argv[0]` is the application and `argv[1]` is the script being run, with user parameters after that
- 'electron': `argv[1]` varies depending on whether the electron application is packaged
- 'user': all of the arguments from the user
For example:
```js
program.parse(process.argv); // Explicit, node conventions
program.parse(); // Implicit, and auto-detect electron
program.parse(['-f', 'filename'], { from: 'user' });
```
### Parsing Configuration
If the default parsing does not suit your needs, there are some behaviours to support other usage patterns.
By default program options are recognised before and after subcommands. To only look for program options before subcommands, use `.enablePositionalOptions()`. This lets you use
an option for a different purpose in subcommands.
Example file: [positional-options.js](./examples/positional-options.js)
With positional options, the `-b` is a program option in the first line and a subcommand option in the second line:
```sh
program -b subcommand
program subcommand -b
```
By default options are recognised before and after command-arguments. To only process options that come
before the command-arguments, use `.passThroughOptions()`. This lets you pass the arguments and following options through to another program
without needing to use `--` to end the option processing.
To use pass through options in a subcommand, the program needs to enable positional options.
Example file: [pass-through-options.js](./examples/pass-through-options.js)
With pass through options, the `--port=80` is a program option in the first line and passed through as a command-argument in the second line:
```sh
program --port=80 arg
program arg --port=80
```
By default the option processing shows an error for an unknown option. To have an unknown option treated as an ordinary command-argument and continue looking for options, use `.allowUnknownOption()`. This lets you mix known and unknown options.
By default the argument processing does not display an error for more command-arguments than expected.
To display an error for excess arguments, use`.allowExcessArguments(false)`.
### Legacy options as properties
Before Commander 7, the option values were stored as properties on the command.
This was convenient to code but the downside was possible clashes with
existing properties of `Command`. You can revert to the old behaviour to run unmodified legacy code by using `.storeOptionsAsProperties()`.
```js
program
.storeOptionsAsProperties()
.option('-d, --debug')
.action((commandAndOptions) => {
if (commandAndOptions.debug) {
console.error(`Called ${commandAndOptions.name()}`);
}
});
```
### TypeScript
If you use `ts-node` and stand-alone executable subcommands written as `.ts` files, you need to call your program through node to get the subcommands called correctly. e.g.
```bash
node -r ts-node/register pm.ts
```
### createCommand()
This factory function creates a new command. It is exported and may be used instead of using `new`, like:
```js
const { createCommand } = require('commander');
const program = createCommand();
```
`createCommand` is also a method of the Command object, and creates a new command rather than a subcommand. This gets used internally
when creating subcommands using `.command()`, and you may override it to
customise the new subcommand (example file [custom-command-class.js](./examples/custom-command-class.js)).
### Node options such as `--harmony`
You can enable `--harmony` option in two ways:
- Use `#! /usr/bin/env node --harmony` in the subcommands scripts. (Note Windows does not support this pattern.)
- Use the `--harmony` option when call the command, like `node --harmony examples/pm publish`. The `--harmony` option will be preserved when spawning subcommand process.
### Debugging stand-alone executable subcommands
An executable subcommand is launched as a separate child process.
If you are using the node inspector for [debugging](https://nodejs.org/en/docs/guides/debugging-getting-started/) executable subcommands using `node --inspect` et al,
the inspector port is incremented by 1 for the spawned subcommand.
If you are using VSCode to debug executable subcommands you need to set the `"autoAttachChildProcesses": true` flag in your launch.json configuration.
### Override exit and output handling
By default Commander calls `process.exit` when it detects errors, or after displaying the help or version. You can override
this behaviour and optionally supply a callback. The default override throws a `CommanderError`.
The override callback is passed a `CommanderError` with properties `exitCode` number, `code` string, and `message`. The default override behaviour is to throw the error, except for async handling of executable subcommand completion which carries on. The normal display of error messages or version or help
is not affected by the override which is called after the display.
```js
program.exitOverride();
try {
program.parse(process.argv);
} catch (err) {
// custom processing...
}
```
By default Commander is configured for a command-line application and writes to stdout and stderr.
You can modify this behaviour for custom applications. In addition, you can modify the display of error messages.
Example file: [configure-output.js](./examples/configure-output.js)
```js
function errorColor(str) {
// Add ANSI escape codes to display text in red.
return `\x1b[31m${str}\x1b[0m`;
}
program
.configureOutput({
// Visibly override write routines as example!
writeOut: (str) => process.stdout.write(`[OUT] ${str}`),
writeErr: (str) => process.stdout.write(`[ERR] ${str}`),
// Highlight errors in color.
outputError: (str, write) => write(errorColor(str))
});
```
### Additional documentation
There is more information available about:
- [deprecated](./docs/deprecated.md) features still supported for backwards compatibility
- [options taking varying arguments](./docs/options-taking-varying-arguments.md)
## Examples
In a single command program, you might not need an action handler.
Example file: [pizza](./examples/pizza)
```js
const { program } = require('commander');
program
.description('An application for pizza ordering')
.option('-p, --peppers', 'Add peppers')
.option('-c, --cheese <type>', 'Add the specified type of cheese', 'marble')
.option('-C, --no-cheese', 'You do not want any cheese');
program.parse();
const options = program.opts();
console.log('you ordered a pizza with:');
if (options.peppers) console.log(' - peppers');
const cheese = !options.cheese ? 'no' : options.cheese;
console.log(' - %s cheese', cheese);
```
In a multi-command program, you will have action handlers for each command (or stand-alone executables for the commands).
Example file: [deploy](./examples/deploy)
```js
const { Command } = require('commander');
const program = new Command();
program
.version('0.0.1')
.option('-c, --config <path>', 'set config path', './deploy.conf');
program
.command('setup [env]')
.description('run setup commands for all envs')
.option('-s, --setup_mode <mode>', 'Which setup mode to use', 'normal')
.action((env, options) => {
env = env || 'all';
console.log('read config from %s', program.opts().config);
console.log('setup for %s env(s) with %s mode', env, options.setup_mode);
});
program
.command('exec <script>')
.alias('ex')
.description('execute the given remote cmd')
.option('-e, --exec_mode <mode>', 'Which exec mode to use', 'fast')
.action((script, options) => {
console.log('read config from %s', program.opts().config);
console.log('exec "%s" using %s mode and config %s', script, options.exec_mode, program.opts().config);
}).addHelpText('after', `
Examples:
$ deploy exec sequential
$ deploy exec async`
);
program.parse(process.argv);
```
More samples can be found in the [examples](https://github.com/tj/commander.js/tree/master/examples) directory.
## Support
The current version of Commander is fully supported on Long Term Support versions of node, and requires at least node v10.
(For older versions of node, use an older version of Commander. Commander version 2.x has the widest support.)
The main forum for free and community support is the project [Issues](https://github.com/tj/commander.js/issues) on GitHub.
### Commander for enterprise
Available as part of the Tidelift Subscription
The maintainers of Commander and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-commander?utm_source=npm-commander&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
node_modules/webpack-bundle-analyzer/node_modules/commander/esm.mjs
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import commander from './index.js';
// wrapper to provide named exports for ESM.
export const { program, Option, Command, CommanderError, InvalidOptionArgumentError, Help, createCommand } = commander;
node_modules/webpack-bundle-analyzer/node_modules/commander/index.js
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node_modules/webpack-bundle-analyzer/node_modules/commander/package-support.json
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{
"versions": [
{
"version": "*",
"target": {
"node": "supported"
},
"response": {
"type": "time-permitting"
},
"backing": {
"npm-funding": true
}
}
]
}
node_modules/webpack-bundle-analyzer/node_modules/commander/package.json
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{
"name": "commander",
"version": "7.2.0",
"description": "the complete solution for node.js command-line programs",
"keywords": [
"commander",
"command",
"option",
"parser",
"cli",
"argument",
"args",
"argv"
],
"author": "TJ Holowaychuk <tj@vision-media.ca>",
"license": "MIT",
"repository": {
"type": "git",
"url": "https://github.com/tj/commander.js.git"
},
"scripts": {
"lint": "eslint index.js esm.mjs \"tests/**/*.js\"",
"typescript-lint": "eslint typings/*.ts tests/*.ts",
"test": "jest && npm run test-typings",
"test-esm": "node --experimental-modules ./tests/esm-imports-test.mjs",
"test-typings": "tsd",
"typescript-checkJS": "tsc --allowJS --checkJS index.js --noEmit",
"test-all": "npm run test && npm run lint && npm run typescript-lint && npm run typescript-checkJS && npm run test-esm"
},
"main": "./index.js",
"files": [
"index.js",
"esm.mjs",
"typings/index.d.ts",
"package-support.json"
],
"type": "commonjs",
"dependencies": {},
"devDependencies": {
"@types/jest": "^26.0.20",
"@types/node": "^14.14.20",
"@typescript-eslint/eslint-plugin": "^4.12.0",
"@typescript-eslint/parser": "^4.12.0",
"eslint": "^7.17.0",
"eslint-config-standard": "^16.0.2",
"eslint-plugin-jest": "^24.1.3",
"jest": "^26.6.3",
"standard": "^16.0.3",
"ts-jest": "^26.5.1",
"tsd": "^0.14.0",
"typescript": "^4.1.2"
},
"types": "typings/index.d.ts",
"jest": {
"testEnvironment": "node",
"collectCoverage": true,
"transform": {
"^.+\\.tsx?$": "ts-jest"
},
"testPathIgnorePatterns": [
"/node_modules/"
]
},
"engines": {
"node": ">= 10"
},
"support": true
}
node_modules/webpack-bundle-analyzer/node_modules/commander/typings/index.d.ts
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// Type definitions for commander
// Original definitions by: Alan Agius <https://github.com/alan-agius4>, Marcelo Dezem <https://github.com/mdezem>, vvakame <https://github.com/vvakame>, Jules Randolph <https://github.com/sveinburne>
// Using method rather than property for method-signature-style, to document method overloads separately. Allow either.
/* eslint-disable @typescript-eslint/method-signature-style */
/* eslint-disable @typescript-eslint/no-explicit-any */
declare namespace commander {
interface CommanderError extends Error {
code: string;
exitCode: number;
message: string;
nestedError?: string;
}
type CommanderErrorConstructor = new (exitCode: number, code: string, message: string) => CommanderError;
// eslint-disable-next-line @typescript-eslint/no-empty-interface
interface InvalidOptionArgumentError extends CommanderError {
}
type InvalidOptionArgumentErrorConstructor = new (message: string) => InvalidOptionArgumentError;
interface Option {
flags: string;
description: string;
required: boolean; // A value must be supplied when the option is specified.
optional: boolean; // A value is optional when the option is specified.
variadic: boolean;
mandatory: boolean; // The option must have a value after parsing, which usually means it must be specified on command line.
optionFlags: string;
short?: string;
long?: string;
negate: boolean;
defaultValue?: any;
defaultValueDescription?: string;
parseArg?: <T>(value: string, previous: T) => T;
hidden: boolean;
argChoices?: string[];
/**
* Set the default value, and optionally supply the description to be displayed in the help.
*/
default(value: any, description?: string): this;
/**
* Calculate the full description, including defaultValue etc.
*/
fullDescription(): string;
/**
* Set the custom handler for processing CLI option arguments into option values.
*/
argParser<T>(fn: (value: string, previous: T) => T): this;
/**
* Whether the option is mandatory and must have a value after parsing.
*/
makeOptionMandatory(mandatory?: boolean): this;
/**
* Hide option in help.
*/
hideHelp(hide?: boolean): this;
/**
* Validation of option argument failed.
* Intended for use from custom argument processing functions.
*/
argumentRejected(messsage: string): never;
/**
* Only allow option value to be one of choices.
*/
choices(values: string[]): this;
/**
* Return option name.
*/
name(): string;
/**
* Return option name, in a camelcase format that can be used
* as a object attribute key.
*/
attributeName(): string;
}
type OptionConstructor = new (flags: string, description?: string) => Option;
interface Help {
/** output helpWidth, long lines are wrapped to fit */
helpWidth?: number;
sortSubcommands: boolean;
sortOptions: boolean;
/** Get the command term to show in the list of subcommands. */
subcommandTerm(cmd: Command): string;
/** Get the command description to show in the list of subcommands. */
subcommandDescription(cmd: Command): string;
/** Get the option term to show in the list of options. */
optionTerm(option: Option): string;
/** Get the option description to show in the list of options. */
optionDescription(option: Option): string;
/** Get the command usage to be displayed at the top of the built-in help. */
commandUsage(cmd: Command): string;
/** Get the description for the command. */
commandDescription(cmd: Command): string;
/** Get an array of the visible subcommands. Includes a placeholder for the implicit help command, if there is one. */
visibleCommands(cmd: Command): Command[];
/** Get an array of the visible options. Includes a placeholder for the implicit help option, if there is one. */
visibleOptions(cmd: Command): Option[];
/** Get an array of the arguments which have descriptions. */
visibleArguments(cmd: Command): Array<{ term: string; description: string}>;
/** Get the longest command term length. */
longestSubcommandTermLength(cmd: Command, helper: Help): number;
/** Get the longest option term length. */
longestOptionTermLength(cmd: Command, helper: Help): number;
/** Get the longest argument term length. */
longestArgumentTermLength(cmd: Command, helper: Help): number;
/** Calculate the pad width from the maximum term length. */
padWidth(cmd: Command, helper: Help): number;
/**
* Wrap the given string to width characters per line, with lines after the first indented.
* Do not wrap if insufficient room for wrapping (minColumnWidth), or string is manually formatted.
*/
wrap(str: string, width: number, indent: number, minColumnWidth?: number): string;
/** Generate the built-in help text. */
formatHelp(cmd: Command, helper: Help): string;
}
type HelpConstructor = new () => Help;
type HelpConfiguration = Partial<Help>;
interface ParseOptions {
from: 'node' | 'electron' | 'user';
}
interface HelpContext { // optional parameter for .help() and .outputHelp()
error: boolean;
}
interface AddHelpTextContext { // passed to text function used with .addHelpText()
error: boolean;
command: Command;
}
interface OutputConfiguration {
writeOut?(str: string): void;
writeErr?(str: string): void;
getOutHelpWidth?(): number;
getErrHelpWidth?(): number;
outputError?(str: string, write: (str: string) => void): void;
}
type AddHelpTextPosition = 'beforeAll' | 'before' | 'after' | 'afterAll';
interface OptionValues {
[key: string]: any;
}
interface Command {
args: string[];
commands: Command[];
parent: Command | null;
/**
* Set the program version to `str`.
*
* This method auto-registers the "-V, --version" flag
* which will print the version number when passed.
*
* You can optionally supply the flags and description to override the defaults.
*/
version(str: string, flags?: string, description?: string): this;
/**
* Define a command, implemented using an action handler.
*
* @remarks
* The command description is supplied using `.description`, not as a parameter to `.command`.
*
* @example
* ```ts
* program
* .command('clone <source> [destination]')
* .description('clone a repository into a newly created directory')
* .action((source, destination) => {
* console.log('clone command called');
* });
* ```
*
* @param nameAndArgs - command name and arguments, args are `<required>` or `[optional]` and last may also be `variadic...`
* @param opts - configuration options
* @returns new command
*/
command(nameAndArgs: string, opts?: CommandOptions): ReturnType<this['createCommand']>;
/**
* Define a command, implemented in a separate executable file.
*
* @remarks
* The command description is supplied as the second parameter to `.command`.
*
* @example
* ```ts
* program
* .command('start <service>', 'start named service')
* .command('stop [service]', 'stop named service, or all if no name supplied');
* ```
*
* @param nameAndArgs - command name and arguments, args are `<required>` or `[optional]` and last may also be `variadic...`
* @param description - description of executable command
* @param opts - configuration options
* @returns `this` command for chaining
*/
command(nameAndArgs: string, description: string, opts?: commander.ExecutableCommandOptions): this;
/**
* Factory routine to create a new unattached command.
*
* See .command() for creating an attached subcommand, which uses this routine to
* create the command. You can override createCommand to customise subcommands.
*/
createCommand(name?: string): Command;
/**
* Add a prepared subcommand.
*
* See .command() for creating an attached subcommand which inherits settings from its parent.
*
* @returns `this` command for chaining
*/
addCommand(cmd: Command, opts?: CommandOptions): this;
/**
* Define argument syntax for command.
*
* @returns `this` command for chaining
*/
arguments(desc: string): this;
/**
* Override default decision whether to add implicit help command.
*
* addHelpCommand() // force on
* addHelpCommand(false); // force off
* addHelpCommand('help [cmd]', 'display help for [cmd]'); // force on with custom details
*
* @returns `this` command for chaining
*/
addHelpCommand(enableOrNameAndArgs?: string | boolean, description?: string): this;
/**
* Register callback to use as replacement for calling process.exit.
*/
exitOverride(callback?: (err: CommanderError) => never|void): this;
/**
* You can customise the help with a subclass of Help by overriding createHelp,
* or by overriding Help properties using configureHelp().
*/
createHelp(): Help;
/**
* You can customise the help by overriding Help properties using configureHelp(),
* or with a subclass of Help by overriding createHelp().
*/
configureHelp(configuration: HelpConfiguration): this;
/** Get configuration */
configureHelp(): HelpConfiguration;
/**
* The default output goes to stdout and stderr. You can customise this for special
* applications. You can also customise the display of errors by overriding outputError.
*
* The configuration properties are all functions:
*
* // functions to change where being written, stdout and stderr
* writeOut(str)
* writeErr(str)
* // matching functions to specify width for wrapping help
* getOutHelpWidth()
* getErrHelpWidth()
* // functions based on what is being written out
* outputError(str, write) // used for displaying errors, and not used for displaying help
*/
configureOutput(configuration: OutputConfiguration): this;
/** Get configuration */
configureOutput(): OutputConfiguration;
/**
* Register callback `fn` for the command.
*
* @example
* program
* .command('help')
* .description('display verbose help')
* .action(function() {
* // output help here
* });
*
* @returns `this` command for chaining
*/
action(fn: (...args: any[]) => void | Promise<void>): this;
/**
* Define option with `flags`, `description` and optional
* coercion `fn`.
*
* The `flags` string contains the short and/or long flags,
* separated by comma, a pipe or space. The following are all valid
* all will output this way when `--help` is used.
*
* "-p, --pepper"
* "-p|--pepper"
* "-p --pepper"
*
* @example
* // simple boolean defaulting to false
* program.option('-p, --pepper', 'add pepper');
*
* --pepper
* program.pepper
* // => Boolean
*
* // simple boolean defaulting to true
* program.option('-C, --no-cheese', 'remove cheese');
*
* program.cheese
* // => true
*
* --no-cheese
* program.cheese
* // => false
*
* // required argument
* program.option('-C, --chdir <path>', 'change the working directory');
*
* --chdir /tmp
* program.chdir
* // => "/tmp"
*
* // optional argument
* program.option('-c, --cheese [type]', 'add cheese [marble]');
*
* @returns `this` command for chaining
*/
option(flags: string, description?: string, defaultValue?: string | boolean): this;
option<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
/** @deprecated since v7, instead use choices or a custom function */
option(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean): this;
/**
* Define a required option, which must have a value after parsing. This usually means
* the option must be specified on the command line. (Otherwise the same as .option().)
*
* The `flags` string contains the short and/or long flags, separated by comma, a pipe or space.
*/
requiredOption(flags: string, description?: string, defaultValue?: string | boolean): this;
requiredOption<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
/** @deprecated since v7, instead use choices or a custom function */
requiredOption(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean): this;
/**
* Factory routine to create a new unattached option.
*
* See .option() for creating an attached option, which uses this routine to
* create the option. You can override createOption to return a custom option.
*/
createOption(flags: string, description?: string): Option;
/**
* Add a prepared Option.
*
* See .option() and .requiredOption() for creating and attaching an option in a single call.
*/
addOption(option: Option): this;
/**
* Whether to store option values as properties on command object,
* or store separately (specify false). In both cases the option values can be accessed using .opts().
*
* @returns `this` command for chaining
*/
storeOptionsAsProperties(): this & OptionValues;
storeOptionsAsProperties(storeAsProperties: true): this & OptionValues;
storeOptionsAsProperties(storeAsProperties?: boolean): this;
/**
* Alter parsing of short flags with optional values.
*
* @example
* // for `.option('-f,--flag [value]'):
* .combineFlagAndOptionalValue(true) // `-f80` is treated like `--flag=80`, this is the default behaviour
* .combineFlagAndOptionalValue(false) // `-fb` is treated like `-f -b`
*
* @returns `this` command for chaining
*/
combineFlagAndOptionalValue(combine?: boolean): this;
/**
* Allow unknown options on the command line.
*
* @returns `this` command for chaining
*/
allowUnknownOption(allowUnknown?: boolean): this;
/**
* Allow excess command-arguments on the command line. Pass false to make excess arguments an error.
*
* @returns `this` command for chaining
*/
allowExcessArguments(allowExcess?: boolean): this;
/**
* Enable positional options. Positional means global options are specified before subcommands which lets
* subcommands reuse the same option names, and also enables subcommands to turn on passThroughOptions.
*
* The default behaviour is non-positional and global options may appear anywhere on the command line.
*
* @returns `this` command for chaining
*/
enablePositionalOptions(positional?: boolean): this;
/**
* Pass through options that come after command-arguments rather than treat them as command-options,
* so actual command-options come before command-arguments. Turning this on for a subcommand requires
* positional options to have been enabled on the program (parent commands).
*
* The default behaviour is non-positional and options may appear before or after command-arguments.
*
* @returns `this` command for chaining
*/
passThroughOptions(passThrough?: boolean): this;
/**
* Parse `argv`, setting options and invoking commands when defined.
*
* The default expectation is that the arguments are from node and have the application as argv[0]
* and the script being run in argv[1], with user parameters after that.
*
* Examples:
*
* program.parse(process.argv);
* program.parse(); // implicitly use process.argv and auto-detect node vs electron conventions
* program.parse(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0]
*
* @returns `this` command for chaining
*/
parse(argv?: string[], options?: ParseOptions): this;
/**
* Parse `argv`, setting options and invoking commands when defined.
*
* Use parseAsync instead of parse if any of your action handlers are async. Returns a Promise.
*
* The default expectation is that the arguments are from node and have the application as argv[0]
* and the script being run in argv[1], with user parameters after that.
*
* Examples:
*
* program.parseAsync(process.argv);
* program.parseAsync(); // implicitly use process.argv and auto-detect node vs electron conventions
* program.parseAsync(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0]
*
* @returns Promise
*/
parseAsync(argv?: string[], options?: ParseOptions): Promise<this>;
/**
* Parse options from `argv` removing known options,
* and return argv split into operands and unknown arguments.
*
* @example
* argv => operands, unknown
* --known kkk op => [op], []
* op --known kkk => [op], []
* sub --unknown uuu op => [sub], [--unknown uuu op]
* sub -- --unknown uuu op => [sub --unknown uuu op], []
*/
parseOptions(argv: string[]): commander.ParseOptionsResult;
/**
* Return an object containing options as key-value pairs
*/
opts(): OptionValues;
/**
* Set the description.
*
* @returns `this` command for chaining
*/
description(str: string, argsDescription?: {[argName: string]: string}): this;
/**
* Get the description.
*/
description(): string;
/**
* Set an alias for the command.
*
* You may call more than once to add multiple aliases. Only the first alias is shown in the auto-generated help.
*
* @returns `this` command for chaining
*/
alias(alias: string): this;
/**
* Get alias for the command.
*/
alias(): string;
/**
* Set aliases for the command.
*
* Only the first alias is shown in the auto-generated help.
*
* @returns `this` command for chaining
*/
aliases(aliases: string[]): this;
/**
* Get aliases for the command.
*/
aliases(): string[];
/**
* Set the command usage.
*
* @returns `this` command for chaining
*/
usage(str: string): this;
/**
* Get the command usage.
*/
usage(): string;
/**
* Set the name of the command.
*
* @returns `this` command for chaining
*/
name(str: string): this;
/**
* Get the name of the command.
*/
name(): string;
/**
* Output help information for this command.
*
* Outputs built-in help, and custom text added using `.addHelpText()`.
*
*/
outputHelp(context?: HelpContext): void;
/** @deprecated since v7 */
outputHelp(cb?: (str: string) => string): void;
/**
* Return command help documentation.
*/
helpInformation(context?: HelpContext): string;
/**
* You can pass in flags and a description to override the help
* flags and help description for your command. Pass in false
* to disable the built-in help option.
*/
helpOption(flags?: string | boolean, description?: string): this;
/**
* Output help information and exit.
*
* Outputs built-in help, and custom text added using `.addHelpText()`.
*/
help(context?: HelpContext): never;
/** @deprecated since v7 */
help(cb?: (str: string) => string): never;
/**
* Add additional text to be displayed with the built-in help.
*
* Position is 'before' or 'after' to affect just this command,
* and 'beforeAll' or 'afterAll' to affect this command and all its subcommands.
*/
addHelpText(position: AddHelpTextPosition, text: string): this;
addHelpText(position: AddHelpTextPosition, text: (context: AddHelpTextContext) => string | undefined): this;
/**
* Add a listener (callback) for when events occur. (Implemented using EventEmitter.)
*/
on(event: string | symbol, listener: (...args: any[]) => void): this;
}
type CommandConstructor = new (name?: string) => Command;
interface CommandOptions {
hidden?: boolean;
isDefault?: boolean;
/** @deprecated since v7, replaced by hidden */
noHelp?: boolean;
}
interface ExecutableCommandOptions extends CommandOptions {
executableFile?: string;
}
// eslint-disable-next-line @typescript-eslint/no-unused-vars
interface ParseOptionsResult {
operands: string[];
unknown: string[];
}
// eslint-disable-next-line @typescript-eslint/no-unused-vars
interface CommanderStatic extends Command {
program: Command;
Command: CommandConstructor;
Option: OptionConstructor;
CommanderError: CommanderErrorConstructor;
InvalidOptionArgumentError: InvalidOptionArgumentErrorConstructor;
Help: HelpConstructor;
}
}
// Declaring namespace AND global
// eslint-disable-next-line @typescript-eslint/no-redeclare
declare const commander: commander.CommanderStatic;
export = commander;
node_modules/webpack-bundle-analyzer/package.json
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{
"name": "webpack-bundle-analyzer",
"version": "4.10.2",
"description": "Webpack plugin and CLI utility that represents bundle content as convenient interactive zoomable treemap",
"author": "Yury Grunin <grunin.ya@ya.ru>",
"license": "MIT",
"homepage": "https://github.com/webpack-contrib/webpack-bundle-analyzer",
"changelog": "https://github.com/webpack-contrib/webpack-bundle-analyzer/blob/master/CHANGELOG.md",
"bugs": {
"url": "https://github.com/webpack-contrib/webpack-bundle-analyzer/issues"
},
"repository": {
"type": "git",
"url": "git+https://github.com/webpack-contrib/webpack-bundle-analyzer.git"
},
"main": "lib/index.js",
"bin": "lib/bin/analyzer.js",
"engines": {
"node": ">= 10.13.0"
},
"packageManager": "npm@6.14.8",
"scripts": {
"start": "gulp watch",
"build": "gulp build",
"npm-publish": "npm run lint && npm run build && npm test && npm publish",
"lint": "eslint --ext js,jsx .",
"install-test-webpack-versions": "./bin/install-test-webpack-versions.sh",
"test": "npm run install-test-webpack-versions && jest --runInBand",
"test-dev": "npm run install-test-webpack-versions && jest --watch --runInBand"
},
"files": [
"public",
"lib"
],
"dependencies": {
"@discoveryjs/json-ext": "0.5.7",
"acorn": "^8.0.4",
"acorn-walk": "^8.0.0",
"commander": "^7.2.0",
"debounce": "^1.2.1",
"escape-string-regexp": "^4.0.0",
"gzip-size": "^6.0.0",
"html-escaper": "^2.0.2",
"opener": "^1.5.2",
"picocolors": "^1.0.0",
"sirv": "^2.0.3",
"ws": "^7.3.1"
},
"devDependencies": {
"@babel/core": "7.14.3",
"@babel/plugin-proposal-class-properties": "7.13.0",
"@babel/plugin-proposal-decorators": "7.14.2",
"@babel/plugin-transform-runtime": "7.14.3",
"@babel/preset-env": "7.14.2",
"@babel/preset-react": "7.13.13",
"@babel/runtime": "7.14.0",
"@carrotsearch/foamtree": "3.5.0",
"autoprefixer": "10.2.5",
"babel-eslint": "10.1.0",
"babel-loader": "8.2.2",
"babel-plugin-lodash": "3.3.4",
"chai": "4.3.4",
"chai-subset": "1.6.0",
"classnames": "2.3.1",
"core-js": "3.12.1",
"css-loader": "5.2.5",
"cssnano": "5.0.4",
"del": "6.0.0",
"eslint": "5.16.0",
"eslint-config-th0r": "2.0.0",
"eslint-config-th0r-react": "2.0.1",
"eslint-plugin-react": "7.23.2",
"filesize": "^6.3.0",
"globby": "11.0.3",
"gulp": "4.0.2",
"gulp-babel": "8.0.0",
"jest": "27.2.2",
"lodash.memoize": "^4.1.2",
"lodash.merge": "^4.6.2",
"lodash.partial": "^4.2.1",
"mobx": "5.15.7",
"mobx-react": "6.3.1",
"postcss": "8.3.0",
"postcss-icss-values": "2.0.2",
"postcss-loader": "5.3.0",
"preact": "10.5.13",
"puppeteer": "10.4.0",
"stream-combiner2": "1.1.1",
"style-loader": "2.0.0",
"terser-webpack-plugin": "5.1.2",
"url-loader": "4.1.1",
"webpack": "5.76.0",
"webpack-cli": "3.3.12",
"webpack-dev-server": "3.11.3"
},
"keywords": [
"webpack",
"bundle",
"analyzer",
"modules",
"size",
"interactive",
"chart",
"treemap",
"zoomable",
"zoom"
]
}
node_modules/webpack-bundle-analyzer/public/viewer.js
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node_modules/webpack-bundle-analyzer/public/viewer.js.LICENSE.txt
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/*!
Copyright (c) 2018 Jed Watson.
Licensed under the MIT License (MIT), see
http://jedwatson.github.io/classnames
*/
/*!
2020 Jason Mulligan <jason.mulligan@avoidwork.com>
@version 6.3.0
*/
node_modules/webpack-bundle-analyzer/public/viewer.js.map
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