@parcel/core/lib/public/Config.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
function _assert() {
  const data = _interopRequireDefault(require("assert"));
  _assert = function () {
    return data;
  };
  return data;
}
function _path() {
  const data = _interopRequireDefault(require("path"));
  _path = function () {
    return data;
  };
  return data;
}
function _utils() {
  const data = require("@parcel/utils");
  _utils = function () {
    return data;
  };
  return data;
}
var _Environment = _interopRequireDefault(require("./Environment"));
var _projectPath = require("../projectPath");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const internalConfigToConfig = new (_utils().DefaultWeakMap)(() => new WeakMap());
class PublicConfig {
  #config /*: Config */;
  #pkg /*: ?PackageJSON */;
  #pkgFilePath /*: ?FilePath */;
  #options /*: ParcelOptions */;
  constructor(config, options) {
    let existing = internalConfigToConfig.get(options).get(config);
    if (existing != null) {
      return existing;
    }
    this.#config = config;
    this.#options = options;
    internalConfigToConfig.get(options).set(config, this);
    return this;
  }
  get env() {
    return new _Environment.default(this.#config.env, this.#options);
  }
  get searchPath() {
    return (0, _projectPath.fromProjectPath)(this.#options.projectRoot, this.#config.searchPath);
  }
  get result() {
    return this.#config.result;
  }
  get isSource() {
    return this.#config.isSource;
  }

  // $FlowFixMe
  setResult(result) {
    this.#config.result = result;
  }
  setCacheKey(cacheKey) {
    this.#config.cacheKey = cacheKey;
  }
  invalidateOnFileChange(filePath) {
    this.#config.invalidateOnFileChange.add((0, _projectPath.toProjectPath)(this.#options.projectRoot, filePath));
  }
  invalidateOnConfigKeyChange(filePath, configKey) {
    this.#config.invalidateOnConfigKeyChange.push({
      filePath: (0, _projectPath.toProjectPath)(this.#options.projectRoot, filePath),
      configKey
    });
  }
  addDevDependency(devDep) {
    var _devDep$additionalInv;
    this.#config.devDeps.push({
      ...devDep,
      resolveFrom: (0, _projectPath.toProjectPath)(this.#options.projectRoot, devDep.resolveFrom),
      additionalInvalidations: (_devDep$additionalInv = devDep.additionalInvalidations) === null || _devDep$additionalInv === void 0 ? void 0 : _devDep$additionalInv.map(i => ({
        ...i,
        resolveFrom: (0, _projectPath.toProjectPath)(this.#options.projectRoot, i.resolveFrom)
      }))
    });
  }
  invalidateOnFileCreate(invalidation) {
    if (invalidation.glob != null) {
      // $FlowFixMe
      this.#config.invalidateOnFileCreate.push(invalidation);
    } else if (invalidation.filePath != null) {
      this.#config.invalidateOnFileCreate.push({
        filePath: (0, _projectPath.toProjectPath)(this.#options.projectRoot, invalidation.filePath)
      });
    } else {
      (0, _assert().default)(invalidation.aboveFilePath != null);
      this.#config.invalidateOnFileCreate.push({
        // $FlowFixMe
        fileName: invalidation.fileName,
        aboveFilePath: (0, _projectPath.toProjectPath)(this.#options.projectRoot, invalidation.aboveFilePath)
      });
    }
  }
  invalidateOnEnvChange(env) {
    this.#config.invalidateOnEnvChange.add(env);
  }
  invalidateOnStartup() {
    this.#config.invalidateOnStartup = true;
  }
  invalidateOnBuild() {
    this.#config.invalidateOnBuild = true;
  }
  async getConfigFrom(searchPath, fileNames, options) {
    let packageKey = options === null || options === void 0 ? void 0 : options.packageKey;
    if (packageKey != null) {
      let pkg = await this.getConfigFrom(searchPath, ['package.json'], {
        exclude: true
      });
      if (pkg && pkg.contents[packageKey]) {
        // Invalidate only when the package key changes
        this.invalidateOnConfigKeyChange(pkg.filePath, packageKey);
        return {
          contents: pkg.contents[packageKey],
          filePath: pkg.filePath
        };
      }
    }
    if (fileNames.length === 0) {
      return null;
    }

    // Invalidate when any of the file names are created above the search path.
    for (let fileName of fileNames) {
      this.invalidateOnFileCreate({
        fileName,
        aboveFilePath: searchPath
      });
    }
    let parse = options && options.parse;
    let configFilePath = await (0, _utils().resolveConfig)(this.#options.inputFS, searchPath, fileNames, this.#options.projectRoot);
    if (configFilePath == null) {
      return null;
    }
    if (!options || !options.exclude) {
      this.invalidateOnFileChange(configFilePath);
    }

    // If this is a JavaScript file, load it with the package manager.
    let extname = _path().default.extname(configFilePath);
    if (extname === '.js' || extname === '.cjs' || extname === '.mjs') {
      let specifier = (0, _utils().relativePath)(_path().default.dirname(searchPath), configFilePath);

      // Add dev dependency so we reload the config and any dependencies in watch mode.
      this.addDevDependency({
        specifier,
        resolveFrom: searchPath
      });

      // Invalidate on startup in case the config is non-deterministic,
      // e.g. uses unknown environment variables, reads from the filesystem, etc.
      this.invalidateOnStartup();
      let config = await this.#options.packageManager.require(specifier, searchPath);
      if (
      // $FlowFixMe
      Object.prototype.toString.call(config) === '[object Module]' && config.default != null) {
        // Native ESM config. Try to use a default export, otherwise fall back to the whole namespace.
        config = config.default;
      }
      return {
        contents: config,
        filePath: configFilePath
      };
    }
    let conf = await (0, _utils().readConfig)(this.#options.inputFS, configFilePath, parse == null ? null : {
      parse
    });
    if (conf == null) {
      return null;
    }
    return {
      contents: conf.config,
      filePath: configFilePath
    };
  }
  getConfig(filePaths, options) {
    return this.getConfigFrom(this.searchPath, filePaths, options);
  }
  async getPackage() {
    if (this.#pkg) {
      return this.#pkg;
    }
    let pkgConfig = await this.getConfig(['package.json']);
    if (!pkgConfig) {
      return null;
    }
    this.#pkg = pkgConfig.contents;
    this.#pkgFilePath = pkgConfig.filePath;
    return this.#pkg;
  }
}
exports.default = PublicConfig;