How to use babel-core

build-component.rollup.js

GitHub: yangzhouQS/blog-demo

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    })
  })
}


function compileJsAndReplace(filePath){
   babel.transformFileAsync(filePath, {
      babelrc: false,
      presets: [
        ['env', {
          'modules': 'umd',

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index.js

GitHub: eponymous-labs/plugin-shoelace

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babelPlugin.md?plain=1

GitHub: elecrabbit/front-end-interview

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```
此时，我们为插件创建一个文件，内容为导出一个默认的函数：
```js
// moriscript.js
module.exports = function(babel) {
  var t = babel.types;
  return {
    visitor: {
    }
  };

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compile.js

GitHub: DSFederalInc/drupal9_docker

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const babel = require('babel-core');


module.exports = (filePath, callback) => {
  // Transform the file.
  // Check process.env.NODE_ENV to see if we should create sourcemaps.
  babel.transformFile(
    filePath,
    {
      sourceMaps: process.env.NODE_ENV === 'development' ? 'inline' : false,
      comments: false,

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gulpfile.js

GitHub: mzohaibqc/mui

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  });
}


function buildCdnAngular(dirname) {
  var s = babelCore.buildExternalHelpers(angularBabelHelpers, 'global');

  return makeTask('build-cdn-angular: ' + dirname, function() {
    return gulp.src('./build-targets/cdn-angular.js')
      .pipe(plugins.browserify({

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AMDJs.js

GitHub: wetools/wept

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if (os.platform() === 'win32') moduleName = moduleName.replace(/\\/gm, '/');
let content = `define("${moduleName}", `;
content += `function(require, module, exports, window,document,frames,self,location,navigator,localStorage,history,Caches,screen,alert,confirm,prompt,fetch,XMLHttpRequest,WebSocket,webkit,WeixinJSCore,Reporter,print,URL,DOMParser,upload,preview,build,showDecryptedInfo,syncMessage,checkProxy,showSystemInfo,openVendor,openToolsLog,showRequestInfo,help,showDebugInfoTable,closeDebug,showDebugInfo,__global,WeixinJSBridge){\n`;

if (projectConfig.setting.es6 && fs.statSync(sourceFile).size / 1024 < 500) {
  content += babel.transformFileSync(sourceFile, {presets: ['babel-preset-env', 'babel-preset-stage-0'].map(require.resolve)}).code;
} else {
  content += fs.readFileSync(path.resolve(sourceFile), {encoding: 'utf8'});
}
content += '\n});';

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node.js

GitHub: Pacharoth/node-smis

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}


function compile(filename) {
  var result = void 0;


  var opts = new _babelCore.OptionManager().init((0, _extend2.default)({ sourceRoot: _path2.default.dirname(filename) }, (0, _cloneDeep2.default)(transformOpts), { filename: filename }));


  var cacheKey = (0, _stringify2.default)(opts) + ":" + babel.version;


  var env = process.env.BABEL_ENV || process.env.NODE_ENV;

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minipack.js

GitHub: airuikun/front-core

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    dependencies.push(node.source.value);
  },
});

const id = ID++;
const {code} = transformFromAst(ast, null, {
  presets: ['env'],
});

const customCode = loader(filename, code)

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node.js

GitHub: Pacharoth/node-smis

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function shouldIgnore(filename) {
  if (!ignore && !only) {
    return getRelativePath(filename).split(_path2.default.sep).indexOf("node_modules") >= 0;
  } else {
    return _babelCore.util.shouldIgnore(filename, ignore || [], only);
  }
}


function loader(m, filename) {

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repl.js

GitHub: Sage/streamlinejs

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        vars += "var " + decl[2] + ";";
        if (decl[1] === "function") cmd = decl[2] + "=function " + decl[2] + decl[3];
        else cmd = decl[2] + decl[3];
}
var babelOptions = util.babelOptions(options);
var source = vars + babel.transform("(function(_) {" + cmd + "})(__callback);", babelOptions).code;

context.__filename = filename;
// cannot assign context.__ directly in callback - need to investigate why
context.__private = context.__private || {};

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