private _loadModule()

in src/core/moduleManager.ts [782:830]
40 lines of code
10 McCabe index (conditional complexity)

		private _loadModule(moduleId: ModuleId): void {
			if (this._modules2[moduleId] || this._knownModules2[moduleId]) {
				// known module
				return;
			}
			this._knownModules2[moduleId] = true;

			let strModuleId = this._moduleIdProvider.getStrModuleId(moduleId);
			let paths = this._config.moduleIdToPaths(strModuleId);

			let scopedPackageRegex = /^@[^\/]+\/[^\/]+$/ // matches @scope/package-name
			if (this._env.isNode && (strModuleId.indexOf('/') === -1 || scopedPackageRegex.test(strModuleId))) {
				paths.push('node|' + strModuleId);
			}

			let lastPathIndex = -1;
			let loadNextPath = (err: any) => {
				lastPathIndex++;

				if (lastPathIndex >= paths.length) {
					// No more paths to try
					this._onLoadError(moduleId, err);
				} else {
					let currentPath = paths[lastPathIndex];
					let recorder = this.getRecorder();

					if (this._config.isBuild() && currentPath === 'empty:') {
						this._buildInfoPath[moduleId] = currentPath;
						this.defineModule(this._moduleIdProvider.getStrModuleId(moduleId), [], null, null, null);
						this._onLoad(moduleId);
						return;
					}

					recorder.record(LoaderEventType.BeginLoadingScript, currentPath);
					this._scriptLoader.load(this, currentPath, () => {
						if (this._config.isBuild()) {
							this._buildInfoPath[moduleId] = currentPath;
						}
						recorder.record(LoaderEventType.EndLoadingScriptOK, currentPath);
						this._onLoad(moduleId);
					}, (err) => {
						recorder.record(LoaderEventType.EndLoadingScriptError, currentPath);
						loadNextPath(err);
					});
				}
			};

			loadNextPath(null);
		}