script-equal

    1.0.1 • Public • Published

    script-equal

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    Check if one JavaScript code is equivalent to another code, using UglifyJS

    var scriptEqual = require('script-equal');
     
    scriptEqual(
      'window.foo = {a: 0, b: 1};',
      'window["foo"]={\nb: 1,\rna: 0\n};'
    ); //=> true
     
    scriptEqual(
      'var foo = 12',
      'var foo = 1 + 1 * 14 - 3;;;;;;;;;;;;;;;;;;;'
    ); //=> true

    Installation

    NPM version

    Use npm.

    npm install script-equal
    

    API

    var scriptEqual = require('script-equal');

    scriptEqual(script0, script1 [, options])

    script0:String (JavaScript code)
    script1:String (JavaScript code)
    options: Object (UglifyJS options)
    Return: Boolean

    It compresses two JavaScript string with UglifyJS. If the results are the same string, it returns true. Otherwise it returns false.

    You can use all UglifyJS options.

    var scriptEqual = require('script-equal');
     
    var foo = 'a = {}; a.b = 0;';
    var bar = 'a = {}; a[\'b\'] = 0;';
     
    scriptEqual(foo, bar); //=> true
     
    scriptEqual(foo, bar, {
      compress: {properties: false}
    }); //=> false

    It throws an error when it fails to parse strings.

    scriptEqual('a = 1', '1 = a'); // Error

    License

    Copyright (c) 2014 Shinnosuke Watanabe

    Licensed under the MIT License.

    Install

    npm i script-equal

    DownloadsWeekly Downloads

    1

    Version

    1.0.1

    License

    none

    Last publish

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