paper.js/src/export.js

/*
 * Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
 * http://paperjs.org/
 *
 * Copyright (c) 2011 - 2016, Juerg Lehni & Jonathan Puckey
 * http://scratchdisk.com/ & http://jonathanpuckey.com/
 *
 * Distributed under the MIT license. See LICENSE file for details.
 *
 * All rights reserved.
 */

// First add Base and a couple of other objects that are not automatically
// exported to exports (Numerical, Key, etc), then inject all exports into
// PaperScope, and create the initial paper object, all in one statement:
/*#*/ if (__options.environment == 'browser') {

// NOTE: Do not create local variable `var paper` since it would shield the
// global one in the whole scope.

paper = new (PaperScope.inject(Base.exports, {
    // Mark fields as enumerable so PaperScope.inject can pick them up
    enumerable: true,
    Base: Base,
    Numerical: Numerical,
    Key: Key
}))();

// https://github.com/umdjs/umd
if (typeof define === 'function' && define.amd) {
    // Support AMD (e.g. require.js)
    // Use named module AMD syntax since there are other unnamed calls to
    // define() inside the built library (from inlined Acorn / Esprima) that
    // apparently confuse the require.js optimizer.
    define('paper', paper);
} else if (typeof module === 'object' && module) { // could be `null`
    // Support CommonJS module
    // NOTE: Do not check typeof module.exports === 'object' since it will be
    // the Base constructor function after straps.js is included.
    module.exports = paper;
}

/*#*/ } else if (__options.environment == 'node') {

paper = new (PaperScope.inject(Base.exports, {
    // Mark fields as enumerable so PaperScope.inject can pick them up
    enumerable: true,
    Base: Base,
    Numerical: Numerical,
    // Export dom/node.js stuff too
    XMLSerializer: XMLSerializer,
    DOMParser: DOMParser,
    Canvas: Canvas
}))();

// Export the paper scope.
module.exports = paper;

/*#*/ } // __options.environment == 'node'