Topological sort of directed acyclic graphs (like dependecy lists). 

Topological sort of directed acyclic graphs (like dependecy lists)

gustavohenke

toposort-class

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{{- packageName}} - npm Package Compare versions

    "ignore": [ "scripts/**", "test/**" ],

    grunt.file.copy( "node_modules/grunt-mocha/node_modules/mocha/mocha.js", "test/lib/mocha.js" );

    grunt.file.copy( "node_modules/chai/chai.js", "test/lib/chai.js" );

    grunt.file.copy( "node_modules/requirejs/require.js", "test/lib/require.js" );

    grunt.loadNpmTasks( "grunt-contrib-jshint" );

    grunt.loadNpmTasks( "grunt-jscs-checker" );

    grunt.loadNpmTasks( "grunt-mocha-test" );

    grunt.registerTask( "default", [ "jshint", "jscs", "mocha", "mochaTest" ] );

    "name":             "toposort-class",

    "description":      "Topological sort of directed acyclic graphs (like dependecy lists)",

        "grunt-contrib-jshint": "~0.8.0",

        "url":  "https://github.com/gustavohenke/toposort.git"

    "author":           ["Marcel Klehr <mklehr@gmx.net>", "Gustavo Henke <gustavo@injoin.com.br>"],

     * Original by Marcel Klehr, contributed by Gustavo Henke.

     * @see     https://github.com/marcelklehr/toposort

     * @author  Marcel Klehr <mklehr@gmx.net>

     * @see     https://github.com/gustavohenke/toposort

     * @author  Gustavo Henke <gustavo@injoin.com.br>

         * @param   {String} item               An dependent name. Must be an string and not empty

         * @param   {String[]|String} [deps]    An dependency or array of dependencies

         * @returns {Toposort}                  The Toposort instance

        self.add = function( item, deps ) {

            if ( typeof item !== "string" || !item ) {

                throw new TypeError( "Dependent name must be given as a not empty string" );

            deps = Array.isArray( deps ) ? deps.slice() : [ deps ];

                deps.forEach(function( dep ) {

                    if ( typeof dep !== "string" || !dep ) {

                        throw new TypeError(

                            "Dependency name must be given as a not empty string"

                    edges.push([ item, dep ]);

         * Runs the toposorting and return an ordered array of strings

         * @returns {String[]}  The list of items topologically sorted.

            edges.forEach(function( edge ) {

                edge.forEach(function( n ) {

                    if ( nodes.indexOf( n ) === -1 ) {

            function visit( node, predecessors, i ) {

                predecessors = predecessors || [];

                if ( predecessors.indexOf( node ) > -1 ) {

                        "Cyclic dependency found. '" + node + "' is dependent of itself."

                        "Cyclic dependency found. '" + node + "' is dependent of itself.\n" +

                        "Dependency Chain: " + predecessors.join( " -> " ) + " => " + node

                index = nodes.indexOf( node );

                nodes.splice( index, 1 );

                if ( predecessors.length === 0 ) {

                predsCopy = predecessors.slice();

                edges.filter(function( e ) {

                    return e[ 0 ] === node;

                }).forEach(function( e ) {

                    i = visit( e[ 1 ], predsCopy, i );

            for ( var i = 0; i < nodes.length; i++ ) {

                i = visit( nodes[ i ], null, i );

    if ( typeof module === "object" && module && typeof module.exports === "object" ) {

        // Expose toposort to CommonJS loaders (aka Node)

        module.exports = exports.Toposort = Toposort;

        // Expose toposort to AMD loaders (aka Require.js)

        if ( typeof define === "function" && define.amd ) {

        // Expose toposort as a browser global

        if ( typeof window === "object" ) {

		{
		"name": "toposort",
		"version": "0.3.0",
		"version": "0.3.1",
		"main": "./toposort.js",
		@@ -5,0 +5,0 @@ "ignore": [ "scripts/", "test/" ],

		@@ -16,2 +16,5 @@ module.exports = function( grunt ) {
		jscs: {
		options: {
		config: ".jscsrc"
		},
		all: "<%= jshint.all %>"
		@@ -18,0 +21,0 @@ },

		{
		"name": "toposort-class",
		"version": "0.3.0",
		"version": "0.3.1",
		"description": "Topological sort of directed acyclic graphs (like dependecy lists)",
		@@ -10,3 +10,3 @@ "main": "./toposort.js",
		"grunt": "~0.4.2",
		"grunt-jscs-checker": "~0.3.2",
		"grunt-jscs-checker": "~0.4.1",
		"grunt-contrib-jshint": "~0.8.0",
		@@ -13,0 +13,0 @@ "grunt-mocha-test": "~0.8.2",

		@@ -75,3 +75,4 @@ !function() {
		throw new Error(
		"Cyclic dependency found. '" + node + "' is dependent of itself."
		"Cyclic dependency found. '" + node + "' is dependent of itself.\n" +
		"Dependency Chain: " + predecessors.join( " -> " ) + " => " + node
		);
		@@ -128,2 +129,2 @@ }
		}
		}();
		}();

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