debug-server-next
Version:
Dev server for hippy-core.
72 lines (71 loc) • 2.74 kB
JavaScript
/*
* Copyright (C) 2014 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* eslint-disable rulesdir/no_underscored_properties */
export class WorkerWrapper {
workerPromise;
disposed;
constructor(workerLocation) {
this.workerPromise = new Promise(fulfill => {
const worker = new Worker(workerLocation, { type: 'module' });
worker.onmessage = (event) => {
console.assert(event.data === 'workerReady');
worker.onmessage = null;
fulfill(worker);
};
});
}
static fromURL(url) {
return new WorkerWrapper(url);
}
postMessage(message) {
this.workerPromise.then(worker => {
if (!this.disposed) {
worker.postMessage(message);
}
});
}
dispose() {
this.disposed = true;
this.workerPromise.then(worker => worker.terminate());
}
terminate() {
this.dispose();
}
set onmessage(listener) {
this.workerPromise.then(worker => {
worker.onmessage = listener;
});
}
set onerror(listener) {
this.workerPromise.then(worker => {
worker.onerror = listener;
});
}
}