feeles-ide/lib/File/babelFile.js

The hackable and serializable IDE to make learning material

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _babel = _interopRequireDefault(require("../workers/babel.worker"));

var Rollbar = _interopRequireWildcard(require("../utils/rollbar"));

// WebWorker instance
var worker = new _babel.default(); // <string, { file, resolve, reject }> map

var pool = new Map(); // Receive messages from Babel

worker.addEventListener('message', function (event) {
  // Result of transpiling
  var _event$data = event.data,
      id = _event$data.id,
      code = _event$data.code,
      error = _event$data.error;

  if (!pool.has(id)) {
    // Not Found Error
    console.warn("Error in Babel: Unknown id=".concat(id), '_File.js:babelFile');
  }

  var _pool$get = pool.get(id),
      file = _pool$get.file,
      resolve = _pool$get.resolve,
      reject = _pool$get.reject;

  pool.delete(id);

  if (error) {
    // Got a Babel Error!
    var loc = error.loc,
        message = error.message;
    var babelError = new Error(message, file.name, loc && loc.line);
    reject(babelError);
    Rollbar.error(babelError);
  } else {
    resolve(file.set({
      text: code || file.text // Babel option の ignore に入っている場合は code が null で返される

    }));
  }
});

var babelFile = function () {
  var count = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  return function (file) {
    return new Promise(function (resolve, reject) {
      if (file.isScript && file.text.length < 100000) {
        var id = 'unique in babelFile.js:babelFile--' + count++; // Set into the pool

        pool.set(id, {
          file: file,
          resolve: resolve,
          reject: reject
        }); // Send messages from Babel

        worker.postMessage({
          id: id,
          code: file.text,
          options: {
            filename: file.name
          }
        });
      } else {
        resolve(file);
      }
    });
  };
}();

var _default = babelFile;
exports.default = _default;