Babel browserify transform
$ npm install --save-dev babelify
$ browserify script.js -t babelify --outfile bundle.js
var fs = require("fs");
var browserify = require("browserify");
var babelify = require("babelify");
browserify({ debug: true })
.transform(babelify)
.require("./script.js", { entry: true })
.bundle()
.on("error", function (err) { console.log("Error : " + err.message); })
.pipe(fs.createWriteStream("bundle.js"));browserify().transform(babelify.configure({
blacklist: ["generators"]
}))$ browserify -d -e script.js -t [ babelify --blacklist generators ]By default Babel's experimental transforms
are disabled. You can turn them on by passing experimental as a configuration option.
browserify().transform(babelify.configure({
experimental: true
}))$ browserify -d -e script.js -t [ babelify --experimental ]By default all files with the extensions .js, .es, .es6 and .jsx are compiled.
You can change this by passing an array of extensions.
NOTE: This will override the default ones so if you want to use any of them you have to add them back.
browserify().transform(babelify.configure({
extensions: [".babel"]
}))$ browserify -d -e script.js -t [ babelify --extensions .babel ]Browserify passes an absolute path so there's no way to determine what folder
it's relative to. You can pass a relative path that'll be removed from the
absolute path with the sourceMapRelative option.
browserify().transform(babelify.configure({
sourceMapRelative: "/Users/sebastian/Projects/my-cool-website/assets"
}))$ browserify -d -e script.js -t [ babelify --sourceMapRelative . ]browserify().transform(babelify.configure({
// Optional ignore regex - if any filenames **do** match this regex then they
// aren't compiled
ignore: /regex/,
// Optional only regex - if any filenames **don't** match this regex then they
// aren't compiled
only: /my_es6_folder/
}))$ browserify -d -e script.js -t [ babelify --ignore regex --only my_es6_folder ]As a convenience, the babelify polyfill is exposed in babelify. If you've got a browserify-only package this may alleviate the necessity to have both babel & babelify installed.
// In browser code
require("babelify/polyfill");
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