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recast-deamdify

v1.1.5

Published

Transform AMD modules to CommonJS using recast.

Downloads

23

Readme

recast-deamdify

build status npm version npm downloads dependency status devDependency status

Transform AMD modules to CommonJS using recast.

Usage: recast-deamdify [source dir] {OPTIONS}

Options:
  --output, -o  Write the trasformed files to this dir.
                This option is required if a source dir is specified.
                If unspecified and a single source file is being transformed,
                recast-deamdify will print to stdout.

Examples:
  cat foo.js | recast-deamdify > bar.js
  recast-deamdify src/ -o dest/

Motivation

Retaining the correct format in the transformed code was important for my use case. Other modules exist but didn't quite fit the bill (e.g. require2commonjs).

Initial versions of this module used esprima then acorn plus their associated code generators, but I couldn't get the results I wanted. Hence, recast.

Installation

$ npm install -g recast-deamdify

Examples

Single file

Given a.js:

define('a', ['./foo', './bar'], function(foo, bar){

  'use strict';

  var baz = require('baz');
  var qux = require('qux');

  console.log('some line of code');

  return {
    height: foo.height,
    width: bar.width
  };

});

This:

$ cat test/fixtures/a.js | recast-deamdify > foo.js

Or this:

var recastDeamdify = require('recast-deamdify');
var fs = require('fs');

fs.createReadStream('./test/fixtures/a.js')
  .pipe(recastDeamdify())
  .pipe(fs.createWriteStream('foo.js'));

Will produce foo.js:

'use strict';

var foo = require('./foo');
var bar = require('./bar');
var baz = require('baz');
var qux = require('qux');

console.log('some line of code');

module.exports = {
  height: foo.height,
  width: bar.width
};

Multiple files

Let's say we want to transform all .js files contained in src and write them to dest, whilst maintaining src's directory structure:

$ recast-deamdify src -o dest

Or you can use the API:

var recastDeamdify = require('recast-deamdify');

recastDeamdify({
  srcDir: 'src',
  destDir: 'dest'
}, function(){
  console.log('complete!');
});

Tests

$ npm test

License

MIT