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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/. */
/* import-globals-from /toolkit/components/workerloader/require.js */
importScripts("resource://gre/modules/workers/require.js");
const PromiseWorker = require("resource://gre/modules/workers/PromiseWorker.js");
const Agent = {
_file: null,
open(path) {
this._file = IOUtils.openFileForSyncReading(path);
},
close() {
this._file.close();
},
};
// This boilerplate connects the PromiseWorker to the Agent so
// that messages from the main thread map to methods on the
// Agent.
const worker = new PromiseWorker.AbstractWorker();
worker.dispatch = function (method, args = []) {
return Agent[method](...args);
};
worker.postMessage = function (result, ...transfers) {
self.postMessage(result, ...transfers);
};
worker.close = function () {
self.close();
};
self.addEventListener("message", msg => worker.handleMessage(msg));
self.addEventListener("unhandledrejection", function (error) {
throw error.reason;
});
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