Function internalApply

lib/hmr/HotModuleReplacement.runtime.js:449–542

* @param {boolean | ApplyOptions=} options apply options * @returns {Promise<ModuleId[]>} updated module ids

(options)

	 * @returns {Promise<ModuleId[]>} updated module ids
	 */
	function internalApply(options) {
		options = options || {};

		applyInvalidatedModules();

		var results = /** @type {ApplyHandler[]} */ (
			currentUpdateApplyHandlers
		).map(function (handler) {
			return handler(/** @type {ApplyOptions} */ (options));
		});
		currentUpdateApplyHandlers = undefined;

		var errors = results
			.map(function (r) {
				return r.error;
			})
			.filter(Boolean);

		if (errors.length > 0) {
			return setStatus("abort").then(function () {
				throw errors[0];
			});
		}

		// Now in "dispose" phase
		var disposePromise = setStatus("dispose");

		results.forEach(function (result) {
			if (result.dispose) result.dispose();
		});

		// Now in "apply" phase
		var applyPromise = setStatus("apply");

		/** @type {Error | undefined} */
		var error;
		/**
		 * @param {Error} err error thrown while applying
		 * @returns {void}
		 */
		var reportError = function (err) {
			if (!error) error = err;
		};

		/** @type {ModuleId[]} */
		var outdatedModules = [];

		/**
		 * @returns {Promise<ModuleId[]>} updated module ids
		 */
		var onAccepted = function () {
			return Promise.all([disposePromise, applyPromise]).then(function () {
				// handle errors in accept handlers and self accepted module load
				if (error) {
					return setStatus("fail").then(function () {
						throw error;
					});
				}