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93 lines
2.3 KiB
Markdown
93 lines
2.3 KiB
Markdown
# bundle-collapser
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convert bundle paths to IDs to save bytes in browserify bundles
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[](http://travis-ci.org/browserify/bundle-collapser)
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# example
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The easiest way to use bundle-collapser is from the plugin:
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```
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$ browserify -p bundle-collapser/plugin main.js
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```
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Instead of the usual output which would have the original `require('./foo.js')`
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style calls in it, the output just has `require(2)` style paths, which minifies
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more compactly:
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``` js
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(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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module.exports = function (n) { return n * 5 }
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},{}],2:[function(require,module,exports){
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var bar = require(1);
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module.exports = function (n) { return bar(n+1) }
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},{}],3:[function(require,module,exports){
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var foo = require(2);
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var bar = require(1);
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console.log(foo(5) * bar(2));
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},{}]},{},[3]);
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```
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## api
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You can use bundle-collapser from the api too:
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``` js
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var collapse = require('bundle-collapser');
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var fs = require('fs');
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var src = fs.readFileSync(__dirname + '/bundle.js', 'utf8');
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collapse(src).pipe(process.stdout);
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```
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# usage
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There is also a command-line program included in this distribution:
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```
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usage: bundle-collapser {FILE | -} {OPTIONS}
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Collapse a browser-pack/browserify bundle from STDIN or a FILE.
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OPTIONS:
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-h --help Show this message.
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```
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# methods
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``` js
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var collapse = require('bundle-collapser')
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```
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## var stream = collapse(src)
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Return a readable `stream` of output from
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[browser-pack](https://npmjs.org/package/browser-pack) with the input source
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string `src` converted to have its `require()` calls collapsed down to the
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dependency targets in the "deps" fields from the unpacking.
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# install
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With [npm](https://npmjs.org), to get the library do:
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```
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npm install bundle-collapser
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```
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and to get the command-line program do:
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```
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npm install -g bundle-collapser
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```
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# license
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MIT
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