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shacl-js

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TopQuadrant's SHACL API in JavaScript

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!function(e){if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.SHACLValidator=e()}}(function(){var define,module,exports;return (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);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.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(_dereq_,module,exports){ /** * Created by antoniogarrote on 08/05/2017. */ var jsonld = _dereq_("jsonld"); var ValidationReport = _dereq_("./src/validation-report"); var debug = _dereq_("debug")("index"); var error = _dereq_("debug")("index::error"); var $rdf = _dereq_("rdflib"); var TermFactory = _dereq_("./src/rdfquery/term-factory"); var RDFQuery = _dereq_("./src/rdfquery"); var T = RDFQuery.T; var ShapesGraph = _dereq_("./src/shapes-graph"); var ValidationEngine = _dereq_("./src/validation-engine"); var rdflibgraph = _dereq_("./src/rdflib-graph"); var RDFLibGraph = rdflibgraph.RDFLibGraph; var fs = _dereq_("fs"); var ValidationEngineConfiguration = _dereq_("./src/validation-engine-configuration"); /********************************/ /* Vocabularies */ /********************************/ var vocabs = _dereq_("./src/vocabularies"); var shapesGraphURI = "urn:x-shacl:shapesGraph"; var dataGraphURI = "urn:x-shacl:dataGraph"; var shaclFile = vocabs.shacl; var dashFile = vocabs.dash; /********************************/ /********************************/ // List utility var createRDFListNode = function(store, items, index) { if (index >= items.length) { return T("rdf:nil"); } else { var bnode = TermFactory.blankNode(); store.add(bnode, T("rdf:first"), items[index]); store.add(bnode, T("rdf:rest"), createRDFListNode(store, items, index + 1)); return bnode; } }; // SHACL Interface /** * SHACL Validator. * Main interface with the library */ var SHACLValidator = function() { this.$data = new RDFLibGraph(); this.$shapes = new RDFLibGraph(); this.depth = 0; this.results = null; this.validationEngine = null; this.validationError = null; this.sequence = null; this.shapesGraph = new ShapesGraph(this); this.configuration = new ValidationEngineConfiguration(); this.functionsRegistry = _dereq_("./src/libraries"); }; SHACLValidator.prototype.compareNodes = function(node1, node2) { // TODO: Does not handle the case where nodes cannot be compared if (node1 && node2 && node1.isLiteral() && node2.isLiteral()) { if ((node1.datatype != null) !== (node2.datatype != null)) { return null; } else if (node1.datatype && node2.datatype && node1.datatype.value !== node2.datatype.value) { return null; } } return RDFQuery.compareTerms(node1, node2); }; SHACLValidator.prototype.getConfiguration = function () { return this.configuration; }; SHACLValidator.prototype.nodeConformsToShape = function(focusNode, shapeNode) { var shape = this.shapesGraph.getShape(shapeNode); try { this.depth++; var foundViolations = this.validationEngine.validateNodeAgainstShape(focusNode, shape, this.$data); return !foundViolations; } finally { this.depth--; } } // Data graph and Shapes graph logic SHACLValidator.prototype.parseDataGraph = function(text, mediaType, andThen) { this.$data.clear(); this.$data.loadGraph(text, dataGraphURI, mediaType, function () { andThen(); }, function (ex) { error(ex); }); }; /** * Reloads the shapes graph. * It will load SHACL and DASH shapes constraints. */ SHACLValidator.prototype.loadDataGraph = function(rdfGraph, andThen) { this.$data.clear(); this.$data.loadMemoryGraph(dataGraphURI, rdfGraph, function () { andThen(); }, function(ex) { error(ex); }); }; /** * Validates the data graph against the shapes graph using the validation engine */ SHACLValidator.prototype.updateValidationEngine = function() { results = []; this.validationEngine = new ValidationEngine(this); this.validationEngine.setConfiguration(this.configuration); try { this.validationError = null; if (this.sequence) { this.sequence = []; } this.validationEngine.validateAll(this.$data); } catch (ex) { this.validationError = ex; } }; /** * Checks for a validation error or results in the validation * engine to build the RDF graph with the validation report. * It returns a ValidationReport object wrapping the RDF graph */ SHACLValidator.prototype.showValidationResults = function(cb) { if (this.validationError) { error("Validation Failure: " + this.validationError); throw (this.validationError); } else { var resultGraph = $rdf.graph(); var reportNode = TermFactory.blankNode("report"); resultGraph.add(reportNode, T("rdf:type"), T("sh:ValidationReport")); resultGraph.add(reportNode, T("sh:conforms"), T("" + (this.validationEngine.results.length == 0))); var nodes = {}; for (var i = 0; i < this.validationEngine.results.length; i++) { var result = this.validationEngine.results[i]; if (nodes[result[0].toString()] == null) { nodes[result[0].toString()] = true; resultGraph.add(reportNode, T("sh:result"), result[0]); } resultGraph.add(result[0], result[1], result[2]); } // Unsupported bug in JSON parser bug workaround var oldToString = resultGraph.toString; resultGraph.toString = function () { var text = oldToString.call(resultGraph); text = text.replace(/^\{/, "").replace(/\}$/, ""); return text; }; ////////////////// jsonld.fromRDF(resultGraph.toNT(), {}, function (err, doc) { if (err != null) { cb(err); } else { jsonld.flatten(doc, function (err, result) { if (err != null) { cb(err); } else { cb(null, new ValidationReport(result)); } }); } }); } }; /** * Reloads the shapes graph. * It will load SHACL and DASH shapes constraints. */ SHACLValidator.prototype.parseShapesGraph = function(text, mediaType, andThen) { var handleError = function (ex) { error(ex); }; var that = this; this.$shapes.clear(); this.$shapes.loadGraph(text, shapesGraphURI, mediaType, function () { that.$shapes.loadGraph(shaclFile, "http://shacl.org", "text/turtle", function () { that.$shapes.loadGraph(dashFile, "http://datashapes.org/dash", "text/turtle", function () { andThen(); }); }, handleError); }, handleError); }; /** * Reloads the shapes graph. * It will load SHACL and DASH shapes constraints. */ SHACLValidator.prototype.loadShapesGraph = function(rdfGraph, andThen) { var handleError = function (ex) { error(ex); }; var that = this; this.$shapes.clear(); this.$shapes.loadMemoryGraph(shapesGraphURI, rdfGraph, function () { that.$shapes.loadGraph(shaclFile, "http://shacl.org", "text/turtle", function () { that.$shapes.loadGraph(dashFile, "http://datashapes.org/dash", "text/turtle", function () { andThen(); }); }, handleError); }, handleError); }; // Update validations /** * Updates the data graph and validate it against the current data shapes */ SHACLValidator.prototype.updateDataGraph = function(text, mediaType, cb) { var startTime = new Date().getTime(); this.parseDataGraph(text, mediaType, this.onDataGraphChange(startTime, cb)); }; /** * Updates the data graph and validate it against the current data shapes */ SHACLValidator.prototype.updateDataGraphRdfModel = function(dataRdfGraph, cb) { var startTime = new Date().getTime(); this.loadDataGraph(dataRdfGraph, this.onDataGraphChange(startTime, cb)); }; SHACLValidator.prototype.onDataGraphChange = function(startTime, cb) { var that = this; return function() { var midTime = new Date().getTime(); that.updateValidationEngine(); var endTime = new Date().getTime(); debug("Parsing took " + (midTime - startTime) + " ms. Validating the data took " + (endTime - midTime) + " ms."); try { that.showValidationResults(cb); } catch (e) { cb(e, null); } } } /** * Updates the shapes graph and validates it against the current data graph */ SHACLValidator.prototype.updateShapesGraph = function(shapes, mediaType, cb) { var startTime = new Date().getTime(); this.parseShapesGraph(shapes, mediaType, this.onShapesGraphChange(startTime, cb)); }; /** * Updates the shapes graph from a memory model, and validates it against the current data graph */ SHACLValidator.prototype.updateShapesGraphRdfModel = function(shapesRdfGraph, cb) { var startTime = new Date().getTime(); this.loadShapesGraph(shapesRdfGraph, this.onShapesGraphChange(startTime, cb)); }; SHACLValidator.prototype.onShapesGraphChange = function(startTime, cb) { var that = this; return function() { var midTime = new Date().getTime(); that.shapesGraph = new ShapesGraph(that); var midTime2 = new Date().getTime(); that.shapesGraph.loadJSLibraries(function (err) { if (err) { cb(err, null); } else { that.updateValidationEngine(); var endTime = new Date().getTime(); debug("Parsing took " + (midTime - startTime) + " ms. Preparing the shapes took " + (midTime2 - midTime) + " ms. Validation the data took " + (endTime - midTime2) + " ms."); try { that.showValidationResults(cb); } catch (e) { cb(e, null); } } }); } } /** * Validates the provided data graph against the provided shapes graph */ SHACLValidator.prototype.validate = function (data, dataMediaType, shapes, shapesMediaType, cb) { var that = this; this.updateDataGraph(data, dataMediaType, function (e) { if (e != null) { cb(e, null); } else { that.updateShapesGraph(shapes, shapesMediaType, function (e, result) { if (e) { cb(e, null); } else { cb(null, result); } }); } }); }; /** * Validates the provided data graph against the provided shapes graph */ SHACLValidator.prototype.validateFromModels = function (dataRdfGraph, shapesRdfGraph, cb) { var that = this; this.updateDataGraphRdfModel(dataRdfGraph, function (e) { if (e != null) { cb(e, null); } else { that.updateShapesGraphRdfModel(shapesRdfGraph, function (e, result) { if (e) { cb(e, null); } else { cb(null, result); } }); } }); }; /** * Saves a cached version of a remote JS file used during validation * @param url URL of the library to cache * @param localFile path to a local version of the file identified by url * @param cb invoked with an optional error when registration of the cached function has finished */ SHACLValidator.prototype.registerJSLibrary = function(url, localFile, cb){ var that = this; fs.readFile(localFile, function(error, buffer) { if (error != null) { cb(error) } else { that.functionsRegistry[url] = buffer.toString(); cb(null) } }); }; /** * Saves a some JS library code using the provided URL that can be used during validation * @param url URL of the library to register * @param libraryCode JS code for the library being registered */ SHACLValidator.prototype.registerJSCode = function(url, jsCode){ this.functionsRegistry[url] = jsCode; }; // Expose the RDF interface SHACLValidator.$rdf = $rdf; module.exports = SHACLValidator; },{"./src/libraries":82,"./src/rdflib-graph":83,"./src/rdfquery":84,"./src/rdfquery/term-factory":85,"./src/shapes-graph":86,"./src/validation-engine":88,"./src/validation-engine-configuration":87,"./src/validation-report":90,"./src/vocabularies":91,"debug":12,"fs":5,"jsonld":20,"rdflib":43}],2:[function(_dereq_,module,exports){ ;(function () { var object = typeof exports != 'undefined' ? exports : this; // #8: web workers var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; function InvalidCharacterError(message) { this.message = message; } InvalidCharacterError.prototype = new Error; InvalidCharacterError.prototype.name = 'InvalidCharacterError'; // encoder // [https://gist.github.com/999166] by [https://github.com/nignag] object.btoa || ( object.btoa = function (input) { for ( // initialize result and counter var block, charCode, idx = 0, map = chars, output = ''; // if the next input index does not exist: // change the mapping table to "=" // check if d has no fractional digits input.charAt(idx | 0) || (map = '=', idx % 1); // "8 - idx % 1 * 8" generates the sequence 2, 4, 6, 8 output += map.charAt(63 & block >> 8 - idx % 1 * 8) ) { charCode = input.charCodeAt(idx += 3/4); if (charCode > 0xFF) { throw new InvalidCharacterError("'btoa' failed: The string to be encoded contains characters outside of the Latin1 range."); } block = block << 8 | charCode; } return output; }); // decoder // [https://gist.github.com/1020396] by [https://github.com/atk] object.atob || ( object.atob = function (input) { input = input.replace(/=+$/, ''); if (input.length % 4 == 1) { throw new InvalidCharacterError("'atob' failed: The string to be decoded is not correctly encoded."); } for ( // initialize result and counters var bc = 0, bs, buffer, idx = 0, output = ''; // get next character buffer = input.charAt(idx++); // character found in table? initialize bit storage and add its ascii value; ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer, // and if not first of each 4 characters, // convert the first 8 bits to one ascii character bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0 ) { // try to find character in table (0-63, not found => -1) buffer = chars.indexOf(buffer); } return output; }); }()); },{}],3:[function(_dereq_,module,exports){ (function (process){ /*! * async * https://github.com/caolan/async * * Copyright 2010-2014 Caolan McMahon * Released under the MIT license */ /*jshint onevar: false, indent:4 */ /*global setImmediate: false, setTimeout: false, console: false */ (function () { var async = {}; // global on the server, window in the browser var root, previous_async; root = this; if (root != null) { previous_async = root.async; } async.noConflict = function () { root.async = previous_async; return async; }; function only_once(fn) { var called = false; return function() { if (called) throw new Error("Callback was already called."); called = true; fn.apply(root, arguments); } } //// cross-browser compatiblity functions //// var _toString = Object.prototype.toString; var _isArray = Array.isArray || function (obj) { return _toString.call(obj) === '[object Array]'; }; var _each = function (arr, iterator) { for (var i = 0; i < arr.length; i += 1) { iterator(arr[i], i, arr); } }; var _map = function (arr, iterator) { if (arr.map) { return arr.map(iterator); } var results = []; _each(arr, function (x, i, a) { results.push(iterator(x, i, a)); }); return results; }; var _reduce = function (arr, iterator, memo) { if (arr.reduce) { return arr.reduce(iterator, memo); } _each(arr, function (x, i, a) { memo = iterator(memo, x, i, a); }); return memo; }; var _keys = function (obj) { if (Object.keys) { return Object.keys(obj); } var keys = []; for (var k in obj) { if (obj.hasOwnProperty(k)) { keys.push(k); } } return keys; }; //// exported async module functions //// //// nextTick implementation with browser-compatible fallback //// if (typeof process === 'undefined' || !(process.nextTick)) { if (typeof setImmediate === 'function') { async.nextTick = function (fn) { // not a direct alias for IE10 compatibility setImmediate(fn); }; async.setImmediate = async.nextTick; } else { async.nextTick = function (fn) { setTimeout(fn, 0); }; async.setImmediate = async.nextTick; } } else { async.nextTick = process.nextTick; if (typeof setImmediate !== 'undefined') { async.setImmediate = function (fn) { // not a direct alias for IE10 compatibility setImmediate(fn); }; } else { async.setImmediate = async.nextTick; } } async.each = function (arr, iterator, callback) { callback = callback || function () {}; if (!arr.length) { return callback(); } var completed = 0; _each(arr, function (x) { iterator(x, only_once(done) ); }); function done(err) { if (err) { callback(err); callback = function () {}; } else { completed += 1; if (completed >= arr.length) { callback(); } } } }; async.forEach = async.each; async.eachSeries = function (arr, iterator, callback) { callback = callback || function () {}; if (!arr.length) { return callback(); } var completed = 0; var iterate = function () { iterator(arr[completed], function (err) { if (err) { callback(err); callback = function () {}; } else { completed += 1; if (completed >= arr.length) { callback(); } else { iterate(); } } }); }; iterate(); }; async.forEachSeries = async.eachSeries; async.eachLimit = function (arr, limit, iterator, callback) { var fn = _eachLimit(limit); fn.apply(null, [arr, iterator, callback]); }; async.forEachLimit = async.eachLimit; var _eachLimit = function (limit) { return function (arr, iterator, callback) { callback = callback || function () {}; if (!arr.length || limit <= 0) { return callback(); } var completed = 0; var started = 0; var running = 0; (function replenish () { if (completed >= arr.length) { return callback(); } while (running < limit && started < arr.length) { started += 1; running += 1; iterator(arr[started - 1], function (err) { if (err) { callback(err); callback = function () {}; } else { completed += 1; running -= 1; if (completed >= arr.length) { callback(); } else { replenish(); } } }); } })(); }; }; var doParallel = function (fn) { return function () { var args = Array.prototype.slice.call(arguments); return fn.apply(null, [async.each].concat(args)); }; }; var doParallelLimit = function(limit, fn) { return function () { var args = Array.prototype.slice.call(arguments); return fn.apply(null, [_eachLimit(limit)].concat(args)); }; }; var doSeries = function (fn) { return function () { var args = Array.prototype.slice.call(arguments); return fn.apply(null, [async.eachSeries].concat(args)); }; }; var _asyncMap = function (eachfn, arr, iterator, callback) { arr = _map(arr, function (x, i) { return {index: i, value: x}; }); if (!callback) { eachfn(arr, function (x, callback) { iterator(x.value, function (err) { callback(err); }); }); } else { var results = []; eachfn(arr, function (x, callback) { iterator(x.value, function (err, v) { results[x.index] = v; callback(err); }); }, function (err) { callback(err, results); }); } }; async.map = doParallel(_asyncMap); async.mapSeries = doSeries(_asyncMap); async.mapLimit = function (arr, limit, iterator, callback) { return _mapLimit(limit)(arr, iterator, callback); }; var _mapLimit = function(limit) { return doParallelLimit(limit, _asyncMap); }; // reduce only has a series version, as doing reduce in parallel won't // work in many situations. async.reduce = function (arr, memo, iterator, callback) { async.eachSeries(arr, function (x, callback) { iterator(memo, x, function (err, v) { memo = v; callback(err); }); }, function (err) { callback(err, memo); }); }; // inject alias async.inject = async.reduce; // foldl alias async.foldl = async.reduce; async.reduceRight = function (arr, memo, iterator, callback) { var reversed = _map(arr, function (x) { return x; }).reverse(); async.reduce(reversed, memo, iterator, callback); }; // foldr alias async.foldr = async.reduceRight; var _filter = function (eachfn, arr, iterator, callback) { var results = []; arr = _map(arr, function (x, i) { return {index: i, value: x}; }); eachfn(arr, function (x, callback) { iterator(x.value, function (v) { if (v) { results.push(x); } callback(); }); }, function (err) { callback(_map(results.sort(function (a, b) { return a.index - b.index; }), function (x) { return x.value; })); }); }; async.filter = doParallel(_filter); async.filterSeries = doSeries(_filter); // select alias async.select = async.filter; async.selectSeries = async.filterSeries; var _reject = function (eachfn, arr, iterator, callback) { var results = []; arr = _map(arr, function (x, i) { return {index: i, value: x}; }); eachfn(arr, function (x, callback) { iterator(x.value, function (v) { if (!v) { results.push(x); } callback(); }); }, function (err) { callback(_map(results.sort(function (a, b) { return a.index - b.index; }), function (x) { return x.value; })); }); }; async.reject = doParallel(_reject); async.rejectSeries = doSeries(_reject); var _detect = function (eachfn, arr, iterator, main_callback) { eachfn(arr, function (x, callback) { iterator(x, function (result) { if (result) { main_callback(x); main_callback = function () {}; } else { callback(); } }); }, function (err) { main_callback(); }); }; async.detect = doParallel(_detect); async.detectSeries = doSeries(_detect); async.some = function (arr, iterator, main_callback) { async.each(arr, function (x, callback) { iterator(x, function (v) { if (v) { main_callback(true); main_callback = function () {}; } callback(); }); }, function (err) { main_callback(false); }); }; // any alias async.any = async.some; async.every = function (arr, iterator, main_callback) { async.each(arr, function (x, callback) { iterator(x, function (v) { if (!v) { main_callback(false); main_callback = function () {}; } callback(); }); }, function (err) { main_callback(true); }); }; // all alias async.all = async.every; async.sortBy = function (arr, iterator, callback) { async.map(arr, function (x, callback) { iterator(x, function (err, criteria) { if (err) { callback(err); } else { callback(null, {value: x, criteria: criteria}); } }); }, function (err, results) { if (err) { return callback(err); } else { var fn = function (left, right) { var a = left.criteria, b = right.criteria; return a < b ? -1 : a > b ? 1 : 0; }; callback(null, _map(results.sort(fn), function (x) { return x.value; })); } }); }; async.auto = function (tasks, callback) { callback = callback || function () {}; var keys = _keys(tasks); var remainingTasks = keys.length if (!remainingTasks) { return callback(); } var results = {}; var listeners = []; var addListener = function (fn) { listeners.unshift(fn); }; var removeListener = function (fn) { for (var i = 0; i < listeners.length; i += 1) { if (listeners[i] === fn) { listeners.splice(i, 1); return; } } }; var taskComplete = function () { remainingTasks-- _each(listeners.slice(0), function (fn) { fn(); }); }; addListener(function () { if (!remainingTasks) { var theCallback = callback; // prevent final callback from calling itself if it errors callback = function () {}; theCallback(null, results); } }); _each(keys, function (k) { var task = _isArray(tasks[k]) ? tasks[k]: [tasks[k]]; var taskCallback = function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } if (err) { var safeResults = {}; _each(_keys(results), function(rkey) { safeResults[rkey] = results[rkey]; }); safeResults[k] = args; callback(err, safeResults); // stop subsequent errors hitting callback multiple times callback = function () {}; } else { results[k] = args; async.setImmediate(taskComplete); } }; var requires = task.slice(0, Math.abs(task.length - 1)) || []; var ready = function () { return _reduce(requires, function (a, x) { return (a && results.hasOwnProperty(x)); }, true) && !results.hasOwnProperty(k); }; if (ready()) { task[task.length - 1](taskCallback, results); } else { var listener = function () { if (ready()) { removeListener(listener); task[task.length - 1](taskCallback, results); } }; addListener(listener); } }); }; async.retry = function(times, task, callback) { var DEFAULT_TIMES = 5; var attempts = []; // Use defaults if times not passed if (typeof times === 'function') { callback = task; task = times; times = DEFAULT_TIMES; } // Make sure times is a number times = parseInt(times, 10) || DEFAULT_TIMES; var wrappedTask = function(wrappedCallback, wrappedResults) { var retryAttempt = function(task, finalAttempt) { return function(seriesCallback) { task(function(err, result){ seriesCallback(!err || finalAttempt, {err: err, result: result}); }, wrappedResults); }; }; while (times) { attempts.push(retryAttempt(task, !(times-=1))); } async.series(attempts, function(done, data){ data = data[data.length - 1]; (wrappedCallback || callback)(data.err, data.result); }); } // If a callback is passed, run this as a controll flow return callback ? wrappedTask() : wrappedTask }; async.waterfall = function (tasks, callback) { callback = callback || function () {}; if (!_isArray(tasks)) { var err = new Error('First argument to waterfall must be an array of functions'); return callback(err); } if (!tasks.length) { return callback(); } var wrapIterator = function (iterator) { return function (err) { if (err) { callback.apply(null, arguments); callback = function () {}; } else { var args = Array.prototype.slice.call(arguments, 1); var next = iterator.next(); if (next) { args.push(wrapIterator(next)); } else { args.push(callback); } async.setImmediate(function () { iterator.apply(null, args); }); } }; }; wrapIterator(async.iterator(tasks))(); }; var _parallel = function(eachfn, tasks, callback) { callback = callback || function () {}; if (_isArray(tasks)) { eachfn.map(tasks, function (fn, callback) { if (fn) { fn(function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } callback.call(null, err, args); }); } }, callback); } else { var results = {}; eachfn.each(_keys(tasks), function (k, callback) { tasks[k](function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } results[k] = args; callback(err); }); }, function (err) { callback(err, results); }); } }; async.parallel = function (tasks, callback) { _parallel({ map: async.map, each: async.each }, tasks, callback); }; async.parallelLimit = function(tasks, limit, callback) { _parallel({ map: _mapLimit(limit), each: _eachLimit(limit) }, tasks, callback); }; async.series = function (tasks, callback) { callback = callback || function () {}; if (_isArray(tasks)) { async.mapSeries(tasks, function (fn, callback) { if (fn) { fn(function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } callback.call(null, err, args); }); } }, callback); } else { var results = {}; async.eachSeries(_keys(tasks), function (k, callback) { tasks[k](function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } results[k] = args; callback(err); }); }, function (err) { callback(err, results); }); } }; async.iterator = function (tasks) { var makeCallback = function (index) { var fn = function () { if (tasks.length) { tasks[index].apply(null, arguments); } return fn.next(); }; fn.next = function () { return (index < tasks.length - 1) ? makeCallback(index + 1): null; }; return fn; }; return makeCallback(0); }; async.apply = function (fn) { var args = Array.prototype.slice.call(arguments, 1); return function () { return fn.apply( null, args.concat(Array.prototype.slice.call(arguments)) ); }; }; var _concat = function (eachfn, arr, fn, callback) { var r = []; eachfn(arr, function (x, cb) { fn(x, function (err, y) { r = r.concat(y || []); cb(err); }); }, function (err) { callback(err, r); }); }; async.concat = doParallel(_concat); async.concatSeries = doSeries(_concat); async.whilst = function (test, iterator, callback) { if (test()) { iterator(function (err) { if (err) { return callback(err); } async.whilst(test, iterator, callback); }); } else { callback(); } }; async.doWhilst = function (iterator, test, callback) { iterator(function (err) { if (err) { return callback(err); } var args = Array.prototype.slice.call(arguments, 1); if (test.apply(null, args)) { async.doWhilst(iterator, test, callback); } else { callback(); } }); }; async.until = function (test, iterator, callback) { if (!test()) { iterator(function (err) { if (err) { return callback(err); } async.until(test, iterator, callback); }); } else { callback(); } }; async.doUntil = function (iterator, test, callback) { iterator(function (err) { if (err) { return callback(err); } var args = Array.prototype.slice.call(arguments, 1); if (!test.apply(null, args)) { async.doUntil(iterator, test, callback); } else { callback(); } }); }; async.queue = function (worker, concurrency) { if (concurrency === undefined) { concurrency = 1; } function _insert(q, data, pos, callback) { if (!q.started){ q.started = true; } if (!_isArray(data)) { data = [data]; } if(data.length == 0) { // call drain immediately if there are no tasks return async.setImmediate(function() { if (q.drain) { q.drain(); } }); } _each(data, function(task) { var item = { data: task, callback: typeof callback === 'function' ? callback : null }; if (pos) { q.tasks.unshift(item); } else { q.tasks.push(item); } if (q.saturated && q.tasks.length === q.concurrency) { q.saturated(); } async.setImmediate(q.process); }); } var workers = 0; var q = { tasks: [], concurrency: concurrency, saturated: null, empty: null, drain: null, started: false, paused: false, push: function (data, callback) { _insert(q, data, false, callback); }, kill: function () { q.drain = null; q.tasks = []; }, unshift: function (data, callback) { _insert(q, data, true, callback); }, process: function () { if (!q.paused && workers < q.concurrency && q.tasks.length) { var task = q.tasks.shift(); if (q.empty && q.tasks.length === 0) { q.empty(); } workers += 1; var next = function () { workers -= 1; if (task.callback) { task.callback.apply(task, arguments); } if (q.drain && q.tasks.length + workers === 0) { q.drain(); } q.process(); }; var cb = only_once(next); worker(task.data, cb); } }, length: function () { return q.tasks.length; }, running: function () { return workers; }, idle: function() { return q.tasks.length + workers === 0; }, pause: function () { if (q.paused === true) { return; } q.paused = true; }, resume: function () { if (q.paused === false) { return; } q.paused = false; // Need to call q.process once per concurrent // worker to preserve full concurrency after pause for (var w = 1; w <= q.concurrency; w++) { async.setImmediate(q.process); } } }; return q; }; async.priorityQueue = function (worker, concurrency) { function _compareTasks(a, b){ return a.priority - b.priority; }; function _binarySearch(sequence, item, compare) { var beg = -1, end = sequence.length - 1; while (beg < end) { var mid = beg + ((end - beg + 1) >>> 1); if (compare(item, sequence[mid]) >= 0) { beg = mid; } else { end = mid - 1; } } return beg; } function _insert(q, data, priority, callback) { if (!q.started){ q.started = true; } if (!_isArray(data)) { data = [data]; } if(data.length == 0) { // call drain immediately if there are no tasks return async.setImmediate(function() { if (q.drain) { q.drain(); } }); } _each(data, function(task) { var item = { data: task, priority: priority, callback: typeof callback === 'function' ? callback : null }; q.tasks.splice(_binarySearch(q.tasks, item, _compareTasks) + 1, 0, item); if (q.saturated && q.tasks.length === q.concurrency) { q.saturated(); } async.setImmediate(q.process); }); } // Start with a normal queue var q = async.queue(worker, concurrency); // Override push to accept second parameter representing priority q.push = function (data, priority, callback) { _insert(q, data, priority, callback); }; // Remove unshift function delete q.unshift; return q; }; async.cargo = function (worker, payload) { var working = false, tasks = []; var cargo = { tasks: tasks, payload: payload, saturated: null, empty: null, drain: null, drained: true, push: function (data, callback) { if (!_isArray(data)) { data = [data]; } _each(data, function(task) { tasks.push({ data: task, callback: typeof callback === 'function' ? callback : null }); cargo.drained = false; if (cargo.saturated && tasks.length === payload) { cargo.saturated(); } }); async.setImmediate(cargo.process); }, process: function process() { if (working) return; if (tasks.length === 0) { if(cargo.drain && !cargo.drained) cargo.drain(); cargo.drained = true; return; } var ts = typeof payload === 'number' ? tasks.splice(0, payload) : tasks.splice(0, tasks.length); var ds = _map(ts, function (task) { return task.data; }); if(cargo.empty) cargo.empty(); working = true; worker(ds, function () { working = false; var args = arguments; _each(ts, function (data) { if (data.callback) { data.callback.apply(null, args); } }); process(); }); }, length: function () { return tasks.length; }, running: function () { return working; } }; return cargo; }; var _console_fn = function (name) { return function (fn) { var args = Array.prototype.slice.call(arguments, 1); fn.apply(null, args.concat([function (err) { var args = Array.prototype.slice.call(arguments, 1); if (typeof console !== 'undefined') { if (err) { if (console.error) { console.error(err); } } else if (console[name]) { _each(args, function (x) { console[name](x); }); } } }])); }; }; async.log = _console_fn('log'); async.dir = _console_fn('dir'); /*async.info = _console_fn('info'); async.warn = _console_fn('warn'); async.error = _console_fn('error');*/ async.memoize = function (fn, hasher) { var memo = {}; var queues = {}; hasher = hasher || function (x) { return x; }; var memoized = function () { var args = Array.prototype.slice.call(arguments); var callback = args.pop(); var key = hasher.apply(null, args); if (key in memo) { async.nextTick(function () { callback.apply(null, memo[key]); }); } else if (key in queues) { queues[key].push(callback); } else { queues[key] = [callback]; fn.apply(null, args.concat([function () { memo[key] = arguments; var q = queues[key]; delete queues[key]; for (var i = 0, l = q.length; i < l; i++) { q[i].apply(null, arguments); } }])); } }; memoized.memo = memo; memoized.unmemoized = fn; return memoized; }; async.unmemoize = function (fn) { return function () { return (fn.unmemoized || fn).apply(null, arguments); }; }; async.times = function (count, iterator, callback) { var counter = []; for (var i = 0; i < count; i++) { counter.push(i); } return async.map(counter, iterator, callback); }; async.timesSeries = function (count, iterator, callback) { var counter = []; for (var i = 0; i < count; i++) { counter.push(i); } return async.mapSeries(counter, iterator, callback); }; async.seq = function (/* functions... */) { var fns = arguments; return function () { var that = this; var args = Array.prototype.slice.call(arguments); var callback = args.pop(); async.reduce(fns, args, function (newargs, fn, cb) { fn.apply(that, newargs.concat([function () { var err = arguments[0]; var nextargs = Array.prototype.slice.call(arguments, 1); cb(err, nextargs); }])) }, function (err, results) { callback.apply(that, [err].concat(results)); }); }; }; async.compose = function (/* functions... */) { return async.seq.apply(null, Array.prototype.reverse.call(arguments)); }; var _applyEach = function (eachfn, fns /*args...*/) { var go = function () { var that = this; var args = Array.prototype.slice.call(arguments); var callback = args.pop(); return eachfn(fns, function (fn, cb) { fn.apply(that, args.concat([cb])); }, callback); }; if (arguments.length > 2) { var args = Array.prototype.slice.call(arguments, 2); return go.apply(this, args); } else { return go; } }; async.applyEach = doParallel(_applyEach); async.applyEachSeries = doSeries(_applyEach); async.forever = function (fn, callback) { function next(err) { if (err) { if (callback) { return callback(err); } throw err; } fn(next); } next(); }; // Node.js if (typeof module !== 'undefined' && module.exports) { module.exports = async; } // AMD / RequireJS else if (typeof define !== 'undefined' && define.amd) { define([], function () { return async; }); } // included directly via <script> tag else { root.async = async; } }()); }).call(this,_dereq_("g5I+bs")) },{"g5I+bs":30}],4: