text: "use strict";
  var __extends = (this && this.__extends) || (function () {
      var extendStatics = function (d, b) {
          extendStatics = Object.setPrototypeOf ||
              ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
              function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
          return extendStatics(d, b);
      };
      return function (d, b) {
          extendStatics(d, b);
          function __() { this.constructor = d; }
          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
      };
  })();
  var __read = (this && this.__read) || function (o, n) {
      var m = typeof Symbol === "function" && o[Symbol.iterator];
      if (!m) return o;
      var i = m.call(o), r, ar = [], e;
      try {
          while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
      }
      catch (error) { e = { error: error }; }
      finally {
          try {
              if (r && !r.done && (m = i["return"])) m.call(i);
          }
          finally { if (e) throw e.error; }
      }
      return ar;
  };
  var __spread = (this && this.__spread) || function () {
      for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
      return ar;
  };
  var __values = (this && this.__values) || function(o) {
      var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
      if (m) return m.call(o);
      if (o && typeof o.length === "number") return {
          next: function () {
              if (o && i >= o.length) o = void 0;
              return { value: o && o[i++], done: !o };
          }
      };
      throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
  };
  Object.defineProperty(exports, "__esModule", { value: true });
  var loader_js_1 = require("./loader.js");
  var PackageError = (function (_super) {
      __extends(PackageError, _super);
      function PackageError(message, name) {
          var _this = _super.call(this, message) || this;
          _this.package = name;
          return _this;
      }
      return PackageError;
  }(Error));
  exports.PackageError = PackageError;
  ;
  ;
  var Package = (function () {
      function Package(name, noLoad) {
          if (noLoad === void 0) { noLoad = false; }
          this.isLoaded = false;
          this.isLoading = false;
          this.hasFailed = false;
          this.dependents = [];
          this.dependencies = [];
          this.dependencyCount = 0;
          this.provided = [];
          this.name = name;
          this.noLoad = noLoad;
          Package.packages.set(name, this);
          this.promise = this.makePromise(this.makeDependencies());
      }
      Package.resolvePath = function (name, addExtension) {
          if (addExtension === void 0) { addExtension = true; }
          var file = loader_js_1.CONFIG.source[name] || name;
          if (!file.match(/^(?:[a-z]+:\/)?\/|\[|[a-z]:\\/i)) {
              file = '[mathjax]/' + file.replace(/^\.\//, '');
          }
          if (addExtension && !file.match(/\.[^\/]+$/)) {
              file += '.js';
          }
          var match;
          while ((match = file.match(/^\[([^\]]*)\]/))) {
              if (!loader_js_1.CONFIG.paths.hasOwnProperty(match[1]))
                  break;
              file = loader_js_1.CONFIG.paths[match[1]] + file.substr(match[0].length);
          }
          return file;
      };
      Object.defineProperty(Package.prototype, "canLoad", {
          get: function () {
              return this.dependencyCount === 0 && !this.noLoad && !this.isLoading && !this.hasFailed;
          },
          enumerable: true,
          configurable: true
      });
      Package.prototype.makeDependencies = function () {
          var e_1, _a;
          var promises = [];
          var map = Package.packages;
          var noLoad = this.noLoad;
          var name = this.name;
          var dependencies = [];
          if (loader_js_1.CONFIG.dependencies.hasOwnProperty(name)) {
              dependencies.push.apply(dependencies, __spread(loader_js_1.CONFIG.dependencies[name]));
          }
          else if (name !== 'core') {
              dependencies.push('core');
          }
          try {
              for (var dependencies_1 = __values(dependencies), dependencies_1_1 = dependencies_1.next(); !dependencies_1_1.done; dependencies_1_1 = dependencies_1.next()) {
                  var dependent = dependencies_1_1.value;
                  var extension = map.get(dependent) || new Package(dependent, noLoad);
                  if (this.dependencies.indexOf(extension) < 0) {
                      extension.addDependent(this, noLoad);
                      this.dependencies.push(extension);
                      if (!extension.isLoaded) {
                          this.dependencyCount++;
                          promises.push(extension.promise);
                      }
                  }
              }
          }
          catch (e_1_1) { e_1 = { error: e_1_1 }; }
          finally {
              try {
                  if (dependencies_1_1 && !dependencies_1_1.done && (_a = dependencies_1.return)) _a.call(dependencies_1);
              }
              finally { if (e_1) throw e_1.error; }
          }
          return promises;
      };
      Package.prototype.makePromise = function (promises) {
          var _this = this;
          var promise = new Promise((function (resolve, reject) {
              _this.resolve = resolve;
              _this.reject = reject;
          }));
          var config = (loader_js_1.CONFIG[this.name] || {});
          if (config.ready) {
              promise = promise.then(function (name) { return config.ready(_this.name); });
          }
          if (promises.length) {
              promises.push(promise);
              promise = Promise.all(promises).then(function (names) { return names.join(', '); });
          }
          if (config.failed) {
              promise.catch(function (message) { return config.failed(new PackageError(message, _this.name)); });
          }
          return promise;
      };
      Package.prototype.load = function () {
          if (!this.isLoaded && !this.isLoading && !this.noLoad) {
              this.isLoading = true;
              var url = Package.resolvePath(this.name);
              if (loader_js_1.CONFIG.require) {
                  this.loadCustom(url);
              }
              else {
                  this.loadScript(url);
              }
          }
      };
      Package.prototype.loadCustom = function (url) {
          var _this = this;
          try {
              var result = loader_js_1.CONFIG.require(url);
              if (result instanceof Promise) {
                  result.then(function () { return _this.checkLoad(); })
                      .catch(function () { return _this.failed('Can\'t load "' + url + '"'); });
              }
              else {
                  this.checkLoad();
              }
          }
          catch (err) {
              this.failed(err.message);
          }
      };
      Package.prototype.loadScript = function (url) {
          var _this = this;
          var script = document.createElement('script');
          script.src = url;
          script.charset = 'UTF-8';
          script.onload = function (event) { return _this.checkLoad(); };
          script.onerror = function (event) { return _this.failed('Can\'t load "' + url + '"'); };
          document.head.appendChild(script);
      };
      Package.prototype.loaded = function () {
          var e_2, _a, e_3, _b;
          this.isLoaded = true;
          this.isLoading = false;
          try {
              for (var _c = __values(this.dependents), _d = _c.next(); !_d.done; _d = _c.next()) {
                  var dependent = _d.value;
                  dependent.requirementSatisfied();
              }
          }
          catch (e_2_1) { e_2 = { error: e_2_1 }; }
          finally {
              try {
                  if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
              }
              finally { if (e_2) throw e_2.error; }
          }
          try {
              for (var _e = __values(this.provided), _f = _e.next(); !_f.done; _f = _e.next()) {
                  var provided = _f.value;
                  provided.loaded();
              }
          }
          catch (e_3_1) { e_3 = { error: e_3_1 }; }
          finally {
              try {
                  if (_f && !_f.done && (_b = _e.return)) _b.call(_e);
              }
              finally { if (e_3) throw e_3.error; }
          }
          this.resolve(this.name);
      };
      Package.prototype.failed = function (message) {
          this.hasFailed = true;
          this.isLoading = false;
          this.reject(new PackageError(message, this.name));
      };
      Package.prototype.checkLoad = function () {
          var _this = this;
          var config = (loader_js_1.CONFIG[this.name] || {});
          var checkReady = config.checkReady || (function () { return Promise.resolve(); });
          checkReady().then(function () { return _this.loaded(); })
              .catch(function (message) { return _this.failed(message); });
      };
      Package.prototype.requirementSatisfied = function () {
          if (this.dependencyCount) {
              this.dependencyCount--;
              if (this.canLoad) {
                  this.load();
              }
          }
      };
      Package.prototype.provides = function (names) {
          var e_4, _a;
          if (names === void 0) { names = []; }
          try {
              for (var names_1 = __values(names), names_1_1 = names_1.next(); !names_1_1.done; names_1_1 = names_1.next()) {
                  var name_1 = names_1_1.value;
                  var provided = Package.packages.get(name_1);
                  if (!provided) {
                      if (!loader_js_1.CONFIG.dependencies[name_1]) {
                          loader_js_1.CONFIG.dependencies[name_1] = [];
                      }
                      loader_js_1.CONFIG.dependencies[name_1].push(name_1);
                      provided = new Package(name_1, true);
                      provided.isLoading = true;
                  }
                  this.provided.push(provided);
              }
          }
          catch (e_4_1) { e_4 = { error: e_4_1 }; }
          finally {
              try {
                  if (names_1_1 && !names_1_1.done && (_a = names_1.return)) _a.call(names_1);
              }
              finally { if (e_4) throw e_4.error; }
          }
      };
      Package.prototype.addDependent = function (extension, noLoad) {
          this.dependents.push(extension);
          if (!noLoad) {
              this.checkNoLoad();
          }
      };
      Package.prototype.checkNoLoad = function () {
          var e_5, _a;
          if (this.noLoad) {
              this.noLoad = false;
              try {
                  for (var _b = __values(this.dependencies), _c = _b.next(); !_c.done; _c = _b.next()) {
                      var dependency = _c.value;
                      dependency.checkNoLoad();
                  }
              }
              catch (e_5_1) { e_5 = { error: e_5_1 }; }
              finally {
                  try {
                      if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
                  }
                  finally { if (e_5) throw e_5.error; }
              }
          }
      };
      Package.loadAll = function () {
          var e_6, _a;
          try {
              for (var _b = __values(this.packages.values()), _c = _b.next(); !_c.done; _c = _b.next()) {
                  var extension = _c.value;
                  if (extension.canLoad) {
                      extension.load();
                  }
              }
          }
          catch (e_6_1) { e_6 = { error: e_6_1 }; }
          finally {
              try {
                  if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
              }
              finally { if (e_6) throw e_6.error; }
          }
      };
      Package.packages = new Map();
      return Package;
  }());
  exports.Package = Package;
  //# sourceMappingURL=package.js.map