feeles-ide/lib/workers/babel.worker.js

The hackable and serializable IDE to make learning material

"use strict";

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

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

var _babel = _interopRequireDefault(require("raw-loader!../lib/escape-loader!@babel/standalone/babel.min"));

var _babelPresetEnvMin = _interopRequireDefault(require("raw-loader!@babel/preset-env-standalone/babel-preset-env.min.js"));

// raw-loader!escape-loader
var babelConfig = {
  presets: [['env', {
    targets: {
      ie: 11
    },
    useBuiltIns: false
  }]],
  plugins: [['transform-runtime', {
    corejs: false,
    helpers: true,
    regenerator: true,
    useESModules: false
  }]]
};
var prefix = "\nself.addEventListener(\"message\", function (event) {\n  try {\n    // Transpile the code\n    var options = Object.assign({}, event.data.options, ".concat(JSON.stringify(babelConfig), ");\n    var result = Babel.transform(event.data.code, options);\n    // Send result\n    self.postMessage({\n      id: event.data.id,\n      code: result && result.code\n    });\n  } catch (error) {\n    // Throw babel error with processing\n    self.postMessage({\n      id: event.data.id,\n      error: {\n        code: error.code + '',\n        message: error.message + '',\n        stack: error.stack + '',\n        loc: error.loc && {\n          line: error.loc.line,\n          column: error.loc.column\n        },\n        missingPlugin: error.missingPlugin\n      }\n    });\n    // Show useful error info into console\n    console.warn(error);\n  }\n});\n");
var url = URL.createObjectURL(new Blob([prefix, _babel.default, _babelPresetEnvMin.default], {
  type: 'text/javascript'
}));

function BabelWorker() {
  return new Worker(url);
}