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/******/ (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) {
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|
|
|
/* eslint-env worker */
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|
var jobsActive = 0;
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|
var complete = [];
|
|
var intervalId = null;
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|
/**
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|
* Register a step function.
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|
*
|
|
* Step checks if there are completed jobs and if there are sends them to the
|
|
* parent. Then it checks the jobs count. If there are no further jobs, clear
|
|
* the step.
|
|
*/
|
|
|
|
var registerStep = function registerStep() {
|
|
intervalId = setInterval(function () {
|
|
if (complete.length) {
|
|
// Send our chunk of completed requests and instruct postMessage to
|
|
// transfer the buffers instead of copying them.
|
|
postMessage(complete.slice(), // Instruct postMessage that these buffers in the sent message
|
|
// should use their Transferable trait. After the postMessage
|
|
// call the "buffers" will still be in complete if you looked,
|
|
// but they will all be length 0 as the data they reference has
|
|
// been sent to the window. This lets us send a lot of data
|
|
// without the normal postMessage behaviour of making a copy of
|
|
// all of the data for the window.
|
|
complete.map(function (response) {
|
|
return response.buffer;
|
|
}).filter(Boolean));
|
|
complete.length = 0;
|
|
}
|
|
|
|
if (jobsActive === 0) {
|
|
clearInterval(intervalId);
|
|
intervalId = null;
|
|
}
|
|
}, 1);
|
|
};
|
|
/**
|
|
* Receive a job from the parent and fetch the requested data.
|
|
* @param {object} options.job A job id, url, and options descriptor to perform.
|
|
*/
|
|
|
|
|
|
var onMessage = function onMessage(_ref) {
|
|
var job = _ref.data;
|
|
|
|
if (jobsActive === 0 && !intervalId) {
|
|
registerStep();
|
|
}
|
|
|
|
jobsActive++;
|
|
fetch(job.url, job.options).then(function (response) {
|
|
return response.arrayBuffer();
|
|
}).then(function (buffer) {
|
|
return complete.push({
|
|
id: job.id,
|
|
buffer: buffer
|
|
});
|
|
}).catch(function (error) {
|
|
return complete.push({
|
|
id: job.id,
|
|
error: error
|
|
});
|
|
}).then(function () {
|
|
return jobsActive--;
|
|
});
|
|
};
|
|
|
|
if (self.fetch) {
|
|
postMessage({
|
|
support: {
|
|
fetch: true
|
|
}
|
|
});
|
|
self.addEventListener('message', onMessage);
|
|
} else {
|
|
postMessage({
|
|
support: {
|
|
fetch: false
|
|
}
|
|
});
|
|
self.addEventListener('message', function (_ref2) {
|
|
var job = _ref2.data;
|
|
postMessage([{
|
|
id: job.id,
|
|
error: new Error('fetch is unavailable')
|
|
}]);
|
|
});
|
|
}
|
|
|
|
/***/ })
|
|
|
|
/******/ });
|
|
//# sourceMappingURL=326c5f98902ccd335b5b.worker.js.map
|