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node_modules/babel-loader/lib/Error.js

@@ -0,0 +1,29 @@
+const STRIP_FILENAME_RE = /^[^:]+: /;
+const format = err => {
+  if (err instanceof SyntaxError) {
+    err.name = "SyntaxError";
+    err.message = err.message.replace(STRIP_FILENAME_RE, "");
+    err.hideStack = true;
+  } else if (err instanceof TypeError) {
+    err.name = null;
+    err.message = err.message.replace(STRIP_FILENAME_RE, "");
+    err.hideStack = true;
+  }
+  return err;
+};
+class LoaderError extends Error {
+  constructor(err) {
+    super();
+    const {
+      name,
+      message,
+      codeFrame,
+      hideStack
+    } = format(err);
+    this.name = "BabelLoaderError";
+    this.message = `${name ? `${name}: ` : ""}${message}\n\n${codeFrame}\n`;
+    this.hideStack = hideStack;
+    Error.captureStackTrace(this, this.constructor);
+  }
+}
+module.exports = LoaderError;

node_modules/babel-loader/lib/cache.js

@@ -0,0 +1,178 @@
+/**
+ * Filesystem Cache
+ *
+ * Given a file and a transform function, cache the result into files
+ * or retrieve the previously cached files if the given file is already known.
+ *
+ * @see https://github.com/babel/babel-loader/issues/34
+ * @see https://github.com/babel/babel-loader/pull/41
+ */
+const os = require("os");
+const path = require("path");
+const zlib = require("zlib");
+const crypto = require("crypto");
+const {
+  promisify
+} = require("util");
+const {
+  readFile,
+  writeFile,
+  mkdir
+} = require("fs/promises");
+const findCacheDirP = import("find-cache-dir");
+const transform = require("./transform");
+// Lazily instantiated when needed
+let defaultCacheDirectory = null;
+let hashType = "sha256";
+// use md5 hashing if sha256 is not available
+try {
+  crypto.createHash(hashType);
+} catch (err) {
+  hashType = "md5";
+}
+const gunzip = promisify(zlib.gunzip);
+const gzip = promisify(zlib.gzip);
+
+/**
+ * Read the contents from the compressed file.
+ *
+ * @async
+ * @params {String} filename
+ * @params {Boolean} compress
+ */
+const read = async function (filename, compress) {
+  const data = await readFile(filename + (compress ? ".gz" : ""));
+  const content = compress ? await gunzip(data) : data;
+  return JSON.parse(content.toString());
+};
+
+/**
+ * Write contents into a compressed file.
+ *
+ * @async
+ * @params {String} filename
+ * @params {Boolean} compress
+ * @params {String} result
+ */
+const write = async function (filename, compress, result) {
+  const content = JSON.stringify(result);
+  const data = compress ? await gzip(content) : content;
+  return await writeFile(filename + (compress ? ".gz" : ""), data);
+};
+
+/**
+ * Build the filename for the cached file
+ *
+ * @params {String} source  File source code
+ * @params {Object} options Options used
+ *
+ * @return {String}
+ */
+const filename = function (source, identifier, options) {
+  const hash = crypto.createHash(hashType);
+  const contents = JSON.stringify({
+    source,
+    options,
+    identifier
+  });
+  hash.update(contents);
+  return hash.digest("hex") + ".json";
+};
+
+/**
+ * Handle the cache
+ *
+ * @params {String} directory
+ * @params {Object} params
+ */
+const handleCache = async function (directory, params) {
+  const {
+    source,
+    options = {},
+    cacheIdentifier,
+    cacheDirectory,
+    cacheCompression
+  } = params;
+  const file = path.join(directory, filename(source, cacheIdentifier, options));
+  try {
+    // No errors mean that the file was previously cached
+    // we just need to return it
+    return await read(file, cacheCompression);
+  } catch (err) {}
+  const fallback = typeof cacheDirectory !== "string" && directory !== os.tmpdir();
+
+  // Make sure the directory exists.
+  try {
+    // overwrite directory if exists
+    await mkdir(directory, {
+      recursive: true
+    });
+  } catch (err) {
+    if (fallback) {
+      return handleCache(os.tmpdir(), params);
+    }
+    throw err;
+  }
+
+  // Otherwise just transform the file
+  // return it to the user asap and write it in cache
+  const result = await transform(source, options);
+
+  // Do not cache if there are external dependencies,
+  // since they might change and we cannot control it.
+  if (!result.externalDependencies.length) {
+    try {
+      await write(file, cacheCompression, result);
+    } catch (err) {
+      if (fallback) {
+        // Fallback to tmpdir if node_modules folder not writable
+        return handleCache(os.tmpdir(), params);
+      }
+      throw err;
+    }
+  }
+  return result;
+};
+
+/**
+ * Retrieve file from cache, or create a new one for future reads
+ *
+ * @async
+ * @param  {Object}   params
+ * @param  {String}   params.cacheDirectory   Directory to store cached files
+ * @param  {String}   params.cacheIdentifier  Unique identifier to bust cache
+ * @param  {Boolean}  params.cacheCompression Whether compressing cached files
+ * @param  {String}   params.source   Original contents of the file to be cached
+ * @param  {Object}   params.options  Options to be given to the transform fn
+ *
+ * @example
+ *
+ *   const result = await cache({
+ *     cacheDirectory: '.tmp/cache',
+ *     cacheIdentifier: 'babel-loader-cachefile',
+ *     cacheCompression: false,
+ *     source: *source code from file*,
+ *     options: {
+ *       experimental: true,
+ *       runtime: true
+ *     },
+ *   });
+ */
+
+module.exports = async function (params) {
+  let directory;
+  if (typeof params.cacheDirectory === "string") {
+    directory = params.cacheDirectory;
+  } else {
+    if (defaultCacheDirectory === null) {
+      const {
+        default: findCacheDir
+      } = await findCacheDirP;
+      defaultCacheDirectory = findCacheDir({
+        name: "babel-loader"
+      }) || os.tmpdir();
+    }
+    directory = defaultCacheDirectory;
+  }
+  return await handleCache(directory, params);
+};

node_modules/babel-loader/lib/index.js

@@ -0,0 +1,178 @@
+let babel;
+try {
+  babel = require("@babel/core");
+} catch (err) {
+  if (err.code === "MODULE_NOT_FOUND") {
+    err.message += "\n babel-loader@9 requires Babel 7.12+ (the package '@babel/core'). " + "If you'd like to use Babel 6.x ('babel-core'), you should install 'babel-loader@7'.";
+  }
+  throw err;
+}
+
+// Since we've got the reverse bridge package at @babel/core@6.x, give
+// people useful feedback if they try to use it alongside babel-loader.
+if (/^6\./.test(babel.version)) {
+  throw new Error("\n babel-loader@9 will not work with the '@babel/core@6' bridge package. " + "If you want to use Babel 6.x, install 'babel-loader@7'.");
+}
+const {
+  version
+} = require("../package.json");
+const cache = require("./cache");
+const transform = require("./transform");
+const injectCaller = require("./injectCaller");
+const schema = require("./schema");
+const {
+  isAbsolute
+} = require("path");
+const validateOptions = require("schema-utils").validate;
+function subscribe(subscriber, metadata, context) {
+  if (context[subscriber]) {
+    context[subscriber](metadata);
+  }
+}
+module.exports = makeLoader();
+module.exports.custom = makeLoader;
+function makeLoader(callback) {
+  const overrides = callback ? callback(babel) : undefined;
+  return function (source, inputSourceMap) {
+    // Make the loader async
+    const callback = this.async();
+    loader.call(this, source, inputSourceMap, overrides).then(args => callback(null, ...args), err => callback(err));
+  };
+}
+async function loader(source, inputSourceMap, overrides) {
+  const filename = this.resourcePath;
+  let loaderOptions = this.getOptions();
+  validateOptions(schema, loaderOptions, {
+    name: "Babel loader"
+  });
+  if (loaderOptions.customize != null) {
+    if (typeof loaderOptions.customize !== "string") {
+      throw new Error("Customized loaders must be implemented as standalone modules.");
+    }
+    if (!isAbsolute(loaderOptions.customize)) {
+      throw new Error("Customized loaders must be passed as absolute paths, since " + "babel-loader has no way to know what they would be relative to.");
+    }
+    if (overrides) {
+      throw new Error("babel-loader's 'customize' option is not available when already " + "using a customized babel-loader wrapper.");
+    }
+    let override = require(loaderOptions.customize);
+    if (override.__esModule) override = override.default;
+    if (typeof override !== "function") {
+      throw new Error("Custom overrides must be functions.");
+    }
+    overrides = override(babel);
+  }
+  let customOptions;
+  if (overrides && overrides.customOptions) {
+    const result = await overrides.customOptions.call(this, loaderOptions, {
+      source,
+      map: inputSourceMap
+    });
+    customOptions = result.custom;
+    loaderOptions = result.loader;
+  }
+
+  // Deprecation handling
+  if ("forceEnv" in loaderOptions) {
+    console.warn("The option `forceEnv` has been removed in favor of `envName` in Babel 7.");
+  }
+  if (typeof loaderOptions.babelrc === "string") {
+    console.warn("The option `babelrc` should not be set to a string anymore in the babel-loader config. " + "Please update your configuration and set `babelrc` to true or false.\n" + "If you want to specify a specific babel config file to inherit config from " + "please use the `extends` option.\nFor more information about this options see " + "https://babeljs.io/docs/core-packages/#options");
+  }
+
+  // Standardize on 'sourceMaps' as the key passed through to Webpack, so that
+  // users may safely use either one alongside our default use of
+  // 'this.sourceMap' below without getting error about conflicting aliases.
+  if (Object.prototype.hasOwnProperty.call(loaderOptions, "sourceMap") && !Object.prototype.hasOwnProperty.call(loaderOptions, "sourceMaps")) {
+    loaderOptions = Object.assign({}, loaderOptions, {
+      sourceMaps: loaderOptions.sourceMap
+    });
+    delete loaderOptions.sourceMap;
+  }
+  const programmaticOptions = Object.assign({}, loaderOptions, {
+    filename,
+    inputSourceMap: inputSourceMap || loaderOptions.inputSourceMap,
+    // Set the default sourcemap behavior based on Webpack's mapping flag,
+    // but allow users to override if they want.
+    sourceMaps: loaderOptions.sourceMaps === undefined ? this.sourceMap : loaderOptions.sourceMaps,
+    // Ensure that Webpack will get a full absolute path in the sourcemap
+    // so that it can properly map the module back to its internal cached
+    // modules.
+    sourceFileName: filename
+  });
+  // Remove loader related options
+  delete programmaticOptions.customize;
+  delete programmaticOptions.cacheDirectory;
+  delete programmaticOptions.cacheIdentifier;
+  delete programmaticOptions.cacheCompression;
+  delete programmaticOptions.metadataSubscribers;
+  const config = await babel.loadPartialConfigAsync(injectCaller(programmaticOptions, this.target));
+  if (config) {
+    let options = config.options;
+    if (overrides && overrides.config) {
+      options = await overrides.config.call(this, config, {
+        source,
+        map: inputSourceMap,
+        customOptions
+      });
+    }
+    if (options.sourceMaps === "inline") {
+      // Babel has this weird behavior where if you set "inline", we
+      // inline the sourcemap, and set 'result.map = null'. This results
+      // in bad behavior from Babel since the maps get put into the code,
+      // which Webpack does not expect, and because the map we return to
+      // Webpack is null, which is also bad. To avoid that, we override the
+      // behavior here so "inline" just behaves like 'true'.
+      options.sourceMaps = true;
+    }
+    const {
+      cacheDirectory = null,
+      cacheIdentifier = JSON.stringify({
+        options,
+        "@babel/core": transform.version,
+        "@babel/loader": version
+      }),
+      cacheCompression = true,
+      metadataSubscribers = []
+    } = loaderOptions;
+    let result;
+    if (cacheDirectory) {
+      result = await cache({
+        source,
+        options,
+        transform,
+        cacheDirectory,
+        cacheIdentifier,
+        cacheCompression
+      });
+    } else {
+      result = await transform(source, options);
+    }
+    config.files.forEach(configFile => this.addDependency(configFile));
+    if (result) {
+      if (overrides && overrides.result) {
+        result = await overrides.result.call(this, result, {
+          source,
+          map: inputSourceMap,
+          customOptions,
+          config,
+          options
+        });
+      }
+      const {
+        code,
+        map,
+        metadata,
+        externalDependencies
+      } = result;
+      externalDependencies == null ? void 0 : externalDependencies.forEach(dep => this.addDependency(dep));
+      metadataSubscribers.forEach(subscriber => {
+        subscribe(subscriber, metadata, this);
+      });
+      return [code, map];
+    }
+  }
+
+  // If the file was ignored, pass through the original content.
+  return [source, inputSourceMap];
+}

node_modules/babel-loader/lib/injectCaller.js

@@ -0,0 +1,41 @@
+const babel = require("@babel/core");
+module.exports = function injectCaller(opts, target) {
+  if (!supportsCallerOption()) return opts;
+  return Object.assign({}, opts, {
+    caller: Object.assign({
+      name: "babel-loader",
+      // Provide plugins with insight into webpack target.
+      // https://github.com/babel/babel-loader/issues/787
+      target,
+      // Webpack >= 2 supports ESM and dynamic import.
+      supportsStaticESM: true,
+      supportsDynamicImport: true,
+      // Webpack 5 supports TLA behind a flag. We enable it by default
+      // for Babel, and then webpack will throw an error if the experimental
+      // flag isn't enabled.
+      supportsTopLevelAwait: true
+    }, opts.caller)
+  });
+};
+
+// TODO: We can remove this eventually, I'm just adding it so that people have
+// a little time to migrate to the newer RCs of @babel/core without getting
+// hard-to-diagnose errors about unknown 'caller' options.
+let supportsCallerOptionFlag = undefined;
+function supportsCallerOption() {
+  if (supportsCallerOptionFlag === undefined) {
+    try {
+      // Rather than try to match the Babel version, we just see if it throws
+      // when passed a 'caller' flag, and use that to decide if it is supported.
+      babel.loadPartialConfig({
+        caller: undefined,
+        babelrc: false,
+        configFile: false
+      });
+      supportsCallerOptionFlag = true;
+    } catch (err) {
+      supportsCallerOptionFlag = false;
+    }
+  }
+  return supportsCallerOptionFlag;
+}

node_modules/babel-loader/lib/schema.json

@@ -0,0 +1,28 @@
+{
+  "type": "object",
+  "properties": {
+    "cacheDirectory": {
+      "oneOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "string"
+        }
+      ],
+      "default": false
+    },
+    "cacheIdentifier": {
+      "type": "string"
+    },
+    "cacheCompression": {
+      "type": "boolean",
+      "default": true
+    },
+    "customize": {
+      "type": "string",
+      "default": null
+    }
+  },
+  "additionalProperties": true
+}

node_modules/babel-loader/lib/transform.js

@@ -0,0 +1,42 @@
+const babel = require("@babel/core");
+const {
+  promisify
+} = require("util");
+const LoaderError = require("./Error");
+const transform = promisify(babel.transform);
+module.exports = async function (source, options) {
+  let result;
+  try {
+    result = await transform(source, options);
+  } catch (err) {
+    throw err.message && err.codeFrame ? new LoaderError(err) : err;
+  }
+  if (!result) return null;
+
+  // We don't return the full result here because some entries are not
+  // really serializable. For a full list of properties see here:
+  // https://github.com/babel/babel/blob/main/packages/babel-core/src/transformation/index.js
+  // For discussion on this topic see here:
+  // https://github.com/babel/babel-loader/pull/629
+  const {
+    ast,
+    code,
+    map,
+    metadata,
+    sourceType,
+    externalDependencies
+  } = result;
+  if (map && (!map.sourcesContent || !map.sourcesContent.length)) {
+    map.sourcesContent = [source];
+  }
+  return {
+    ast,
+    code,
+    map,
+    metadata,
+    sourceType,
+    // Convert it from a Set to an Array to make it JSON-serializable.
+    externalDependencies: Array.from(externalDependencies || [])
+  };
+};
+module.exports.version = babel.version;