message: babelrc: use __dirname instead of cwd
diff: -const cwd = process.cwd();
  +const buildDir = `${__dirname}/build`;
  module.exports = {
  "plugins": [
  @@ -16,7 +16,7 @@ module.exports = {
  ["transform-es2015-computed-properties", { "loose": true }],
  ["transform-es2015-destructuring", { "loose": true }],
  ["transform-es2015-duplicate-keys", { "loose": true }],
  - [`${cwd}/build/babel-transform-for-of-array`,{ "loose": true }],
  + [`${buildDir}/babel-transform-for-of-array`,{ "loose": true }],
  ["transform-es2015-function-name", { "loose": true }],
  ["transform-es2015-literals", { "loose": true }],
  ["transform-es2015-modules-commonjs", { "loose": true }],
  