first commit

node_modules/@vue/cli-service/lib/util/resolveClientEnv.js

@@ -0,0 +1,23 @@
+const getBaseUrl = require('./getBaseUrl')
+const prefixRE = /^VUE_APP_/
+
+module.exports = function resolveClientEnv (options, raw) {
+  const env = {}
+  Object.keys(process.env).forEach(key => {
+    if (prefixRE.test(key) || key === 'NODE_ENV') {
+      env[key] = process.env[key]
+    }
+  })
+  env.BASE_URL = getBaseUrl(options)
+
+  if (raw) {
+    return env
+  }
+
+  for (const key in env) {
+    env[key] = JSON.stringify(env[key])
+  }
+  return {
+    'process.env': env
+  }
+}