Files
2026-09-08 20:28:54 +08:00

172 lines
21 KiB
JavaScript

"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.asyncfilter = asyncfilter;
exports.asyncify = asyncify;
exports.asyncmap = asyncmap;
exports.longSleep = longSleep;
exports.nodeify = nodeify;
exports.nodeifyAll = nodeifyAll;
exports.parallel = void 0;
exports.retry = retry;
exports.retryInterval = retryInterval;
exports.sleep = sleep;
exports.waitForCondition = waitForCondition;
require("source-map-support/register");
var _bluebird = _interopRequireDefault(require("bluebird"));
var _lodash = _interopRequireDefault(require("lodash"));
const LONG_SLEEP_THRESHOLD = 5000;
async function sleep(ms) {
return await _bluebird.default.delay(ms);
}
async function longSleep(ms, {
thresholdMs = LONG_SLEEP_THRESHOLD,
intervalMs = 1000,
progressCb = null
} = {}) {
if (ms < thresholdMs) {
return await sleep(ms);
}
const endAt = Date.now() + ms;
let timeLeft;
let elapsedMs = 0;
do {
const pre = Date.now();
await sleep(intervalMs);
const post = Date.now();
timeLeft = endAt - post;
elapsedMs = elapsedMs + (post - pre);
if (_lodash.default.isFunction(progressCb)) {
progressCb({
elapsedMs,
timeLeft,
progress: elapsedMs / ms
});
}
} while (timeLeft > 0);
}
async function retry(times, fn, ...args) {
let tries = 0;
let done = false;
let res = null;
while (!done && tries < times) {
tries++;
try {
res = await fn(...args);
done = true;
} catch (err) {
if (tries >= times) {
throw err;
}
}
}
return res;
}
async function retryInterval(times, sleepMs, fn, ...args) {
let count = 0;
let wrapped = async () => {
count++;
let res;
try {
res = await fn(...args);
} catch (e) {
if (count !== times) {
await sleep(sleepMs);
}
throw e;
}
return res;
};
return await retry(times, wrapped);
}
const parallel = _bluebird.default.all;
exports.parallel = parallel;
function nodeify(promisey, cb) {
return _bluebird.default.resolve(promisey).nodeify(cb);
}
function nodeifyAll(promiseyMap) {
let cbMap = {};
for (const [name, fn] of _lodash.default.toPairs(promiseyMap)) {
cbMap[name] = function (...args) {
const _cb = args.slice(-1)[0];
args = args.slice(0, -1);
nodeify(fn(...args), _cb);
};
}
return cbMap;
}
function asyncify(fn, ...args) {
_bluebird.default.resolve(fn(...args)).done();
}
async function asyncmap(coll, mapper, runInParallel = true) {
if (runInParallel) {
return parallel(coll.map(mapper));
}
let newColl = [];
for (let item of coll) {
newColl.push(await mapper(item));
}
return newColl;
}
async function asyncfilter(coll, filter, runInParallel = true) {
let newColl = [];
if (runInParallel) {
let bools = await parallel(coll.map(filter));
for (let i = 0; i < coll.length; i++) {
if (bools[i]) {
newColl.push(coll[i]);
}
}
} else {
for (let item of coll) {
if (await filter(item)) {
newColl.push(item);
}
}
}
return newColl;
}
async function waitForCondition(condFn, options = {}) {
const opts = _lodash.default.defaults(options, {
waitMs: 5000,
intervalMs: 500
});
const debug = opts.logger ? opts.logger.debug.bind(opts.logger) : _lodash.default.noop;
const error = opts.error;
const begunAt = Date.now();
const endAt = begunAt + opts.waitMs;
const spin = async function spin() {
const result = await condFn();
if (result) {
return result;
}
const now = Date.now();
const waited = now - begunAt;
const remainingTime = endAt - now;
if (now < endAt) {
debug(`Waited for ${waited} ms so far`);
await _bluebird.default.delay(Math.min(opts.intervalMs, remainingTime));
return await spin();
}
throw error ? _lodash.default.isString(error) ? new Error(error) : error : new Error(`Condition unmet after ${waited} ms. Timing out.`);
};
return await spin();
}require('source-map-support').install();
//# sourceMappingURL=data:application/json;charset=utf8;base64,{"version":3,"file":"lib/asyncbox.js","names":["LONG_SLEEP_THRESHOLD","sleep","ms","B","delay","longSleep","thresholdMs","intervalMs","progressCb","endAt","Date","now","timeLeft","elapsedMs","pre","post","_","isFunction","progress","retry","times","fn","args","tries","done","res","err","retryInterval","sleepMs","count","wrapped","e","parallel","all","nodeify","promisey","cb","resolve","nodeifyAll","promiseyMap","cbMap","name","toPairs","_cb","slice","asyncify","asyncmap","coll","mapper","runInParallel","map","newColl","item","push","asyncfilter","filter","bools","i","length","waitForCondition","condFn","options","opts","defaults","waitMs","debug","logger","bind","noop","error","begunAt","spin","result","waited","remainingTime","Math","min","isString","Error"],"sourceRoot":"../..","sources":["lib/asyncbox.js"],"sourcesContent":["// transpile:main\n\nimport B from 'bluebird';\nimport _ from 'lodash';\n\nconst LONG_SLEEP_THRESHOLD = 5000; // anything over 5000ms will turn into a spin\n\n/**\n * An async/await version of setTimeout\n * @param {number} ms\n * @returns {Promise<void>}\n */\nasync function sleep (ms) {\n  return await B.delay(ms);\n}\n\n/**\n * Sometimes `Promise.delay` or `setTimeout` are inaccurate for large wait\n * times. To safely wait for these long times (e.g. in the 5+ minute range), you\n * can use `longSleep`.\n *\n * sYou can also pass a `progressCb` option which is a callback function that\n * receives an object with the properties `elapsedMs`, `timeLeft`, and\n * `progress`. This will be called on every wait interval so you can do your\n * wait logging or whatever.\n * @param {number} ms\n * @param {LongSleepOptions} [opts]\n * @returns {Promise<void>}\n */\nasync function longSleep (ms, {\n  thresholdMs = LONG_SLEEP_THRESHOLD,\n  intervalMs = 1000,\n  progressCb = null,\n} = {}) {\n  if (ms < thresholdMs) {\n    return await sleep(ms);\n  }\n  const endAt = Date.now() + ms;\n  let timeLeft;\n  let elapsedMs = 0;\n  do {\n    const pre = Date.now();\n    await sleep(intervalMs);\n    const post = Date.now();\n    timeLeft = endAt - post;\n    elapsedMs = elapsedMs + (post - pre);\n    if (_.isFunction(progressCb)) {\n      progressCb({elapsedMs, timeLeft, progress: elapsedMs / ms});\n    }\n  } while (timeLeft > 0);\n}\n\n/**\n * An async/await way of running a method until it doesn't throw an error\n * @template [T=any]\n * @param {number} times\n * @param {(...args: any[]) => Promise<T>} fn\n * @param  {...any} args\n * @returns {Promise<T?>}\n */\nasync function retry (times, fn, ...args) {\n  let tries = 0;\n  let done = false;\n  let res = null;\n  while (!done && tries < times) {\n    tries++;\n    try {\n      res = await fn(...args);\n      done = true;\n    } catch (err) {\n      if (tries >= times) {\n        throw err;\n      }\n    }\n  }\n  return res;\n}\n\n/**\n * You can also use `retryInterval` to add a sleep in between retries. This can\n * be useful if you want to throttle how fast we retry.\n * @template [T=any]\n * @param {number} times\n * @param {number} sleepMs\n * @param {(...args: any[]) => Promise<T>} fn\n * @param  {...any} args\n * @returns {Promise<T?>}\n */\nasync function retryInterval (times, sleepMs, fn, ...args) {\n  let count = 0;\n  let wrapped = async () => {\n    count++;\n    let res;\n    try {\n      res = await fn(...args);\n    } catch (e) {\n      // do not pause when finished the last retry\n      if (count !== times) {\n        await sleep(sleepMs);\n      }\n      throw e;\n    }\n    return res;\n  };\n  return await retry(times, wrapped);\n}\n\nconst parallel = B.all;\n\n/**\n * Export async functions (Promises) and import this with your ES5 code to use\n * it with Node.\n * @template [R=any]\n * @param {any} promisey\n * @param {(err: any, value?: R) => void} cb\n * @returns {Promise<R>}\n */\nfunction nodeify (promisey, cb) { // eslint-disable-line promise/prefer-await-to-callbacks\n  return B.resolve(promisey).nodeify(cb);\n}\n\n/**\n * Node-ify an entire object of `Promise`-returning functions\n * @param {Record<string,(...args: any[]) => any>} promiseyMap\n * @returns {Record<string,(...args: any[])=>void>}\n */\nfunction nodeifyAll (promiseyMap) {\n  /** @type {Record<string,(...args: any[])=>void>} */\n  let cbMap = {};\n  for (const [name, fn] of _.toPairs(promiseyMap)) {\n    cbMap[name] = function (...args) {\n      const _cb = args.slice(-1)[0];\n      args = args.slice(0, -1);\n      nodeify(fn(...args), _cb);\n    };\n  }\n  return cbMap;\n}\n\n/**\n * @param {(...args: any[]) => any|Promise<any>} fn\n * @param  {...any} args\n */\nfunction asyncify (fn, ...args) {\n  B.resolve(fn(...args)).done();\n}\n\n/**\n * Similar to `Array.prototype.map`; runs in serial\n * @param {any[]} coll\n * @param {(value: any) => any|Promise<any>} mapper\n * @returns {Promise<any[]>}\n */\nasync function asyncmap (coll, mapper, runInParallel = true) {\n  if (runInParallel) {\n    return parallel(coll.map(mapper));\n  }\n\n  let newColl = [];\n  for (let item of coll) {\n    newColl.push(await mapper(item));\n  }\n  return newColl;\n}\n\n/**\n * Similar to `Array.prototype.filter`\n * @param {any[]} coll\n * @param {(value: any) => any|Promise<any>} filter\n * @param {boolean} runInParallel\n * @returns {Promise<any[]>}\n */\nasync function asyncfilter (coll, filter, runInParallel = true) {\n  let newColl = [];\n  if (runInParallel) {\n    let bools = await parallel(coll.map(filter));\n    for (let i = 0; i < coll.length; i++) {\n      if (bools[i]) {\n        newColl.push(coll[i]);\n      }\n    }\n  } else {\n    for (let item of coll) {\n      if (await filter(item)) {\n        newColl.push(item);\n      }\n    }\n  }\n  return newColl;\n}\n\n/**\n * Takes a condition (a function returning a boolean or boolean promise), and\n * waits until the condition is true.\n *\n * Throws a `/Condition unmet/` error if the condition has not been satisfied\n * within the allocated time, unless an error is provided in the options, as the\n * `error` property, which is either thrown itself, or used as the message.\n *\n * The condition result is returned if it is not falsy. If the condition throws an\n * error then this exception will be immediately passed through.\n *\n * The default options are: `{ waitMs: 5000, intervalMs: 500 }`\n * @template T\n * @param {() => Promise<T>|T} condFn\n * @param {WaitForConditionOptions} [options]\n * @returns {Promise<T>}\n */\nasync function waitForCondition (condFn, options = {}) {\n  /** @type {WaitForConditionOptions & {waitMs: number, intervalMs: number}} */\n  const opts = _.defaults(options, {\n    waitMs: 5000,\n    intervalMs: 500,\n  });\n  const debug = opts.logger ? opts.logger.debug.bind(opts.logger) : _.noop;\n  const error = opts.error;\n  const begunAt = Date.now();\n  const endAt = begunAt + opts.waitMs;\n  /** @returns {Promise<T>} */\n  const spin = async function spin () {\n    const result = await condFn();\n    if (result) {\n      return result;\n    }\n    const now = Date.now();\n    const waited = now - begunAt;\n    const remainingTime = endAt - now;\n    if (now < endAt) {\n      debug(`Waited for ${waited} ms so far`);\n      await B.delay(Math.min(opts.intervalMs, remainingTime));\n      return await spin();\n    }\n    // if there is an error option, it is either a string message or an error itself\n    throw error\n      ? (_.isString(error) ? new Error(error) : error)\n      : new Error(`Condition unmet after ${waited} ms. Timing out.`);\n  };\n  return await spin();\n}\n\nexport {\n  sleep, retry, nodeify, nodeifyAll, retryInterval, asyncify, parallel,\n  asyncmap, asyncfilter, waitForCondition, longSleep,\n};\n\n/**\n * Options for {@link waitForCondition}\n * @typedef WaitForConditionOptions\n * @property {number} [waitMs]\n * @property {number} [intervalMs]\n * @property {{debug: (...args: any[]) => void}} [logger]\n * @property {string|Error} [error]\n */\n\n/**\n * Options for {@link longSleep}\n * @typedef LongSleepOptions\n * @property {number} [thresholdMs]\n * @property {number} [intervalMs]\n * @property {ProgressCallback?} [progressCb]\n */\n\n/**\n * Parameter provided to a {@link ProgressCallback}\n * @typedef Progress\n * @property {number} elapsedMs\n * @property {number} timeLeft\n * @property {number} progress\n */\n\n/**\n * Progress callback for {@link longSleep}\n * @callback ProgressCallback\n * @param {Progress} progress\n * @returns {void}\n 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