relay-compiler-webpack-plugin/dist/index.js

"use strict";

var _relayCompiler = require("relay-compiler");

var _RelayLanguagePluginJavaScript = _interopRequireDefault(require("relay-compiler/lib/language/javascript/RelayLanguagePluginJavaScript"));

var _RelaySourceModuleParser = _interopRequireDefault(require("relay-compiler/lib/core/RelaySourceModuleParser"));

var _fs = _interopRequireDefault(require("fs"));

var _path = _interopRequireDefault(require("path"));

var _getSchemaSource = _interopRequireDefault(require("./getSchemaSource"));

var _getWriter = _interopRequireDefault(require("./getWriter"));

var _getFilepathsFromGlob = _interopRequireDefault(require("./getFilepathsFromGlob"));

var _getRelayCompilerPluginHooks = _interopRequireDefault(require("./getRelayCompilerPluginHooks"));

var _createRaiseErrorsReporter = _interopRequireDefault(require("./createRaiseErrorsReporter"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

const {
  schemaExtensions
} = _relayCompiler.IRTransforms;

function createParserConfigs({
  baseDir,
  getParser,
  sourceParserName,
  languagePlugin,
  include,
  exclude,
  schema,
  extensions
}) {
  const sourceModuleParser = (0, _RelaySourceModuleParser.default)(languagePlugin.findGraphQLTags);
  const fileOptions = {
    extensions,
    include,
    exclude
  };
  return {
    [sourceParserName]: {
      baseDir,
      getFileFilter: sourceModuleParser.getFileFilter,
      getParser: getParser || sourceModuleParser.getParser,
      getSchemaSource: () => (0, _getSchemaSource.default)(schema),
      schemaExtensions,
      filepaths: (0, _getFilepathsFromGlob.default)(baseDir, fileOptions)
    },
    graphql: {
      baseDir,
      getParser: _relayCompiler.DotGraphQLParser.getParser,
      getSchemaSource: () => (0, _getSchemaSource.default)(schema),
      schemaExtensions,
      filepaths: (0, _getFilepathsFromGlob.default)(baseDir, _objectSpread({}, fileOptions, {
        extensions: ['graphql']
      }))
    }
  };
}

class RelayCompilerWebpackPlugin {
  constructor(options) {
    _defineProperty(this, "parserConfigs", void 0);

    _defineProperty(this, "writerConfigs", void 0);

    _defineProperty(this, "languagePlugin", void 0);

    _defineProperty(this, "options", void 0);

    if (!options) {
      throw new Error('You must provide options to RelayCompilerWebpackPlugin.');
    }

    if (!options.schema) {
      throw new Error('You must provide a Relay Schema.');
    }

    if (typeof options.schema === 'string' && !_fs.default.existsSync(options.schema)) {
      throw new Error(`Could not find the [schema] provided (${options.schema}).`);
    }

    if (!options.src) {
      throw new Error('You must provide a Relay `src` path.');
    }

    if (!_fs.default.existsSync(options.src)) {
      throw new Error(`Could not find the [src] provided (${options.src})`);
    }

    this.options = options;
  }

  createWriterConfigs({
    sourceParserName,
    languagePlugin,
    config
  }) {
    return {
      [languagePlugin.outputExtension]: {
        writeFiles: (0, _getWriter.default)(languagePlugin, config),
        isGeneratedFile: filePath => {
          if (filePath.endsWith(`.graphql.${languagePlugin.outputExtension}`)) {
            if (this.options.artifactDirectory) {
              return filePath.startsWith(this.options.artifactDirectory);
            }

            return filePath.includes('__generated__');
          }

          return false;
        },
        parser: sourceParserName,
        baseParsers: ['graphql']
      }
    };
  }

  async compile(issuer, request, compilation, hooks) {
    let logger; // webpack 4.38+

    if (compilation.getLogger) {
      logger = compilation.getLogger('RelayCompilerPlugin');
    }

    const reporter = this.options.getReporter ? this.options.getReporter(logger) : (0, _createRaiseErrorsReporter.default)(logger); // Can this be set up in constructor and use same instance every time?

    const runner = new _relayCompiler.Runner({
      parserConfigs: this.parserConfigs,
      writerConfigs: this.writerConfigs,
      reporter,
      onlyValidate: false,
      skipPersist: true
    });
    return hooks.beforeWrite.promise().then(() => runner.compile(this.languagePlugin.outputExtension)).then(compileResult => hooks.afterWrite.promise(compileResult));
  }

  cachedCompiler(compilation) {
    const hooks = (0, _getRelayCompilerPluginHooks.default)(compilation);
    let result;
    return (issuer, request) => {
      if (!result) result = this.compile(issuer, request, compilation, hooks);
      return result;
    };
  }

  runCompile(compile, result, callback) {
    if (result && result.contextInfo.issuer && (this.options.artifactDirectory || result.request.match(/__generated__/))) {
      const request = _path.default.resolve(_path.default.dirname(result.contextInfo.issuer), result.request);

      if (this.options.artifactDirectory && !request.startsWith(this.options.artifactDirectory)) {
        callback(null, result);
        return;
      }

      compile(result.contextInfo.issuer, request).then(() => callback(null, result)).catch(error => callback(error));
      return;
    }

    callback(null, result);
  }

  apply(compiler) {
    const {
      options
    } = this;

    const language = (options.languagePlugin || _RelayLanguagePluginJavaScript.default)();

    const extensions = options.extensions !== undefined ? options.extensions : language.inputExtensions;
    const sourceParserName = extensions.join('/');
    const include = options.include !== undefined ? options.include : ['**'];
    const exclude = options.exclude !== undefined ? options.exclude : ['**/node_modules/**', '**/__mocks__/**', '**/__tests__/**', '**/__generated__/**'];
    this.parserConfigs = createParserConfigs({
      sourceParserName,
      languagePlugin: language,
      include,
      exclude,
      schema: options.schema,
      getParser: options.getParser,
      baseDir: options.src,
      extensions
    });
    this.writerConfigs = this.createWriterConfigs({
      sourceParserName,
      languagePlugin: language,
      config: _objectSpread({}, options.config, {
        outputDir: options.artifactDirectory,
        baseDir: options.src
      })
    });
    this.languagePlugin = language;

    if (compiler.hooks) {
      compiler.hooks.compilation.tap('RelayCompilerWebpackPlugin', (compilation, params) => {
        const compile = this.cachedCompiler(compilation);
        params.normalModuleFactory.hooks.beforeResolve.tapAsync('RelayCompilerWebpackPlugin', (result, callback) => {
          this.runCompile(compile, result, callback);
        });
      });
    } else {
      compiler.plugin('compilation', (compilation, params) => {
        const compile = this.cachedCompiler(compilation);
        params.normalModuleFactory.plugin('before-resolve', (result, callback) => {
          this.runCompile(compile, result, callback);
        });
      });
    }
  }

}

_defineProperty(RelayCompilerWebpackPlugin, "getHooks", _getRelayCompilerPluginHooks.default);

module.exports = RelayCompilerWebpackPlugin;