DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
46 lines
No EOL
1.5 KiB
Text
46 lines
No EOL
1.5 KiB
Text
/*
|
|
* Copyright The OpenTelemetry Authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* https://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
import { Deferred } from './promise';
|
|
/**
|
|
* Bind the callback and only invoke the callback once regardless how many times `BindOnceFuture.call` is invoked.
|
|
*/
|
|
export class BindOnceFuture {
|
|
constructor(_callback, _that) {
|
|
this._callback = _callback;
|
|
this._that = _that;
|
|
this._isCalled = false;
|
|
this._deferred = new Deferred();
|
|
}
|
|
get isCalled() {
|
|
return this._isCalled;
|
|
}
|
|
get promise() {
|
|
return this._deferred.promise;
|
|
}
|
|
call(...args) {
|
|
if (!this._isCalled) {
|
|
this._isCalled = true;
|
|
try {
|
|
Promise.resolve(this._callback.call(this._that, ...args)).then(val => this._deferred.resolve(val), err => this._deferred.reject(err));
|
|
}
|
|
catch (err) {
|
|
this._deferred.reject(err);
|
|
}
|
|
}
|
|
return this._deferred.promise;
|
|
}
|
|
}
|
|
//# sourceMappingURL=callback.js.map |