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buble

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buble

The blazing fast, batteries-included ES2015 compiler

  • 0.15.2
  • Source
  • npm
  • Socket score

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Weekly downloads
155K
decreased by-5.97%
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2
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What is buble?

Bublé is a JavaScript compiler that takes your ES2015+ code and turns it into code that can run in older browsers. It is designed to be fast and to produce compact output.

What are buble's main functionalities?

Transpiling ES6 to ES5

Bublé can transpile modern ES6+ syntax to ES5, making it compatible with older browsers. This example shows how an arrow function is transformed into a regular function.

const buble = require('buble');
const result = buble.transform(`const add = (a, b) => a + b;`);
console.log(result.code); // 'var add = function (a, b) { return a + b; };'

Source Maps

Bublé can generate source maps, which are useful for debugging. This example shows how to generate a source map for the transformed code.

const buble = require('buble');
const result = buble.transform(`const add = (a, b) => a + b;`, { source: 'input.js', file: 'output.js' });
console.log(result.map);

Custom Transforms

Bublé allows you to customize which transformations to apply. This example shows how to disable the transformation of ES6 classes.

const buble = require('buble');
const result = buble.transform(`class Person { constructor(name) { this.name = name; } }`, { transforms: { classes: false } });
console.log(result.code);

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Package last updated on 07 Jan 2017

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