Autopolyfiller loader for webpack
This is like Autoprefixer, but for JavaScript polyfills. It scans your code and applies only required polyfills.
Install
$ npm i -S autopolyfiller-loader
Usage
module: postLoaders: test: /\.js$/ exclude: /\/\// loader: 'autopolyfiller' query: browsers: 'last 2 versions' 'ie >= 9' //list of browsers to polyfill withParser: 'acorn@0.11.0' ecmaVersion: 6 //allow use custom parser exclude: 'Promise' //exclude some polyfills include: 'Object.create' //force include some polifills use: // AST tree pattern matching // It may "grep" multiply polyfills { return length > 0 ? 'Object.newFeature' : ; } // Your polyfills code polyfill: 'Object.newFeature': 'Object.newFeature = function () {};' // This list means "apply this feature to the <list of browsers>" // For more examples see https://github.com/jonathantneal/polyfill/blob/master/agent.js.json support: // For chrome 29 only apply Object.newFeature polyfill 'Chrome': only: '29' fill: 'Object.newFeature' // This is optional. By default autopolyfiller will use // polyfill's name to generate condition's code: wrapper: 'Object.newFeature': 'before': 'if (!("newFeature" in Object)) {' 'after': '}' //add custom polyfills