forked from sent/waves
237 lines
8.2 KiB
JavaScript
237 lines
8.2 KiB
JavaScript
/******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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/******/ var installedModules = {};
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/
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/******/ // Check if module is in cache
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/******/ if(installedModules[moduleId]) {
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/******/ return installedModules[moduleId].exports;
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/******/ }
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = installedModules[moduleId] = {
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/******/ i: moduleId,
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/******/ l: false,
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/******/ exports: {}
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/******/ };
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/******/
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/******/ // Execute the module function
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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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/******/
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/******/ // Flag the module as loaded
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/******/ module.l = true;
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/******/
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/
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/******/
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/******/ // expose the modules object (__webpack_modules__)
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/******/ __webpack_require__.m = modules;
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/******/
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/******/ // expose the module cache
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/******/ __webpack_require__.c = installedModules;
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/******/
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/******/ // define getter function for harmony exports
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/******/ __webpack_require__.d = function(exports, name, getter) {
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/******/ if(!__webpack_require__.o(exports, name)) {
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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/******/ }
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/******/ };
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/******/
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/******/ // define __esModule on exports
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/******/ __webpack_require__.r = function(exports) {
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/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ }
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/******/ };
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/******/
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/******/ // create a fake namespace object
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/******/ // mode & 1: value is a module id, require it
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/******/ // mode & 2: merge all properties of value into the ns
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/******/ // mode & 4: return value when already ns object
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/******/ // mode & 8|1: behave like require
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/******/ __webpack_require__.t = function(value, mode) {
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/******/ if(mode & 1) value = __webpack_require__(value);
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/******/ if(mode & 8) return value;
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/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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/******/ var ns = Object.create(null);
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/******/ __webpack_require__.r(ns);
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/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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/******/ return ns;
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/******/ };
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/******/
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/******/ // getDefaultExport function for compatibility with non-harmony modules
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/******/ __webpack_require__.n = function(module) {
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/******/ var getter = module && module.__esModule ?
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/******/ function getDefault() { return module['default']; } :
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/******/ function getModuleExports() { return module; };
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/******/ __webpack_require__.d(getter, 'a', getter);
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/******/ return getter;
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/******/ };
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/******/
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/******/ // Object.prototype.hasOwnProperty.call
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/
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/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "";
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/******/
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/******/
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/******/ // Load entry module and return exports
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/******/ return __webpack_require__(__webpack_require__.s = "./node_modules/babel-loader/lib/index.js?!./node_modules/scratch-storage/src/FetchWorkerTool.worker.js");
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/******/ })
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/************************************************************************/
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/******/ ({
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/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/scratch-storage/src/FetchWorkerTool.worker.js":
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/*!************************************************************************************************************!*\
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!*** ./node_modules/babel-loader/lib??ref--4!./node_modules/scratch-storage/src/FetchWorkerTool.worker.js ***!
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\************************************************************************************************************/
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/*! no static exports found */
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/***/ (function(module, exports, __webpack_require__) {
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/* eslint-env worker */
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const saferFetchAsArrayBuffer = __webpack_require__(/*! ./safer-fetch */ "./node_modules/scratch-storage/src/safer-fetch.js");
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const complete = [];
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let timeoutId = null;
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const checkCompleted = () => {
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if (timeoutId) return;
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timeoutId = setTimeout(() => {
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timeoutId = null;
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if (complete.length) {
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// Send our chunk of completed requests and instruct postMessage to
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// transfer the buffers instead of copying them.
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postMessage(complete.slice(), // Instruct postMessage that these buffers in the sent message
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// should use their Transferable trait. After the postMessage
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// call the "buffers" will still be in complete if you looked,
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// but they will all be length 0 as the data they reference has
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// been sent to the window. This lets us send a lot of data
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// without the normal postMessage behaviour of making a copy of
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// all of the data for the window.
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complete.map(response => response.buffer).filter(Boolean));
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complete.length = 0;
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}
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});
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};
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/**
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* Receive a job from the parent and fetch the requested data.
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* @param {object} options.job A job id, url, and options descriptor to perform.
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*/
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const onMessage = ({
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data: job
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}) => {
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saferFetchAsArrayBuffer(job.url, job.options).then(buffer => complete.push({
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id: job.id,
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buffer
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})).catch(error => complete.push({
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id: job.id,
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error: error && error.message || "Failed request: ".concat(job.url)
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})).then(checkCompleted);
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};
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if (self.fetch) {
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postMessage({
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support: {
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fetch: true
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}
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});
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self.addEventListener('message', onMessage);
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} else {
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postMessage({
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support: {
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fetch: false
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}
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});
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self.addEventListener('message', ({
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data: job
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}) => {
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postMessage([{
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id: job.id,
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error: 'fetch is unavailable'
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}]);
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});
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}
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/***/ }),
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/***/ "./node_modules/scratch-storage/src/safer-fetch.js":
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/*!*********************************************************!*\
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!*** ./node_modules/scratch-storage/src/safer-fetch.js ***!
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\*********************************************************/
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/*! no static exports found */
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/***/ (function(module, exports) {
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/* eslint-env browser */
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/* eslint-disable no-use-before-define */
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// This throttles and retries fetch() to mitigate the effect of random network errors and
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// random browser errors (especially in Chrome)
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let currentFetches = 0;
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const queue = [];
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const startNextFetch = ([resolve, url, options]) => {
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let firstError;
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let failedAttempts = 0;
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const attemptToFetch = () => fetch(url, options).then(result => {
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// In a macOS WKWebView, requests from file: URLs to other file: URLs always have status: 0 and ok: false
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// even though the requests were successful. If the requested file doesn't exist, fetch() rejects instead.
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// We aren't aware of any other cases where fetch() can resolve with status 0, so this should be safe.
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if (result.ok || result.status === 0) return result.arrayBuffer();
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if (result.status === 404) return null;
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return Promise.reject(result.status);
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}).then(buffer => {
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currentFetches--;
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checkStartNextFetch();
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return buffer;
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}).catch(error => {
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if (error === 403) {
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// Retrying this request will not help, so return an error now.
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throw error;
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}
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console.warn("Attempt to fetch ".concat(url, " failed"), error);
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if (!firstError) {
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firstError = error;
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}
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if (failedAttempts < 2) {
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failedAttempts++;
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return new Promise(cb => setTimeout(cb, (failedAttempts + Math.random() - 1) * 5000)).then(attemptToFetch);
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}
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currentFetches--;
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checkStartNextFetch();
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throw firstError;
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});
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return resolve(attemptToFetch());
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};
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const checkStartNextFetch = () => {
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if (currentFetches < 100 && queue.length > 0) {
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currentFetches++;
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startNextFetch(queue.shift());
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}
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};
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const saferFetchAsArrayBuffer = (url, options) => new Promise(resolve => {
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queue.push([resolve, url, options]);
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checkStartNextFetch();
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});
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module.exports = saferFetchAsArrayBuffer;
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/***/ })
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/******/ });
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//# sourceMappingURL=ebb29433c3000ca9948a.worker.js.map
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