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>
74 lines
No EOL
2.3 KiB
Text
74 lines
No EOL
2.3 KiB
Text
/*
|
|
This is a simple promise queue that allows you to limit the number of concurrent promises
|
|
that are running at any given time. It's used to limit the number of concurrent
|
|
prefetch requests that are being made to the server but could be used for other
|
|
things as well.
|
|
*/ "use strict";
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
Object.defineProperty(exports, "PromiseQueue", {
|
|
enumerable: true,
|
|
get: function() {
|
|
return PromiseQueue;
|
|
}
|
|
});
|
|
class PromiseQueue {
|
|
#maxConcurrency;
|
|
#runningCount;
|
|
#queue;
|
|
constructor(maxConcurrency = 5){
|
|
this.#maxConcurrency = maxConcurrency;
|
|
this.#runningCount = 0;
|
|
this.#queue = [];
|
|
}
|
|
enqueue(promiseFn) {
|
|
let taskResolve;
|
|
let taskReject;
|
|
const taskPromise = new Promise((resolve, reject)=>{
|
|
taskResolve = resolve;
|
|
taskReject = reject;
|
|
});
|
|
const task = async ()=>{
|
|
try {
|
|
this.#runningCount++;
|
|
const result = await promiseFn();
|
|
taskResolve(result);
|
|
} catch (error) {
|
|
taskReject(error);
|
|
} finally{
|
|
this.#runningCount--;
|
|
this.#processNext();
|
|
}
|
|
};
|
|
const enqueueResult = {
|
|
promiseFn: taskPromise,
|
|
task
|
|
};
|
|
// wonder if we should take a LIFO approach here
|
|
this.#queue.push(enqueueResult);
|
|
this.#processNext();
|
|
return taskPromise;
|
|
}
|
|
bump(promiseFn) {
|
|
const index = this.#queue.findIndex((item)=>item.promiseFn === promiseFn);
|
|
if (index > -1) {
|
|
const bumpedItem = this.#queue.splice(index, 1)[0];
|
|
this.#queue.unshift(bumpedItem);
|
|
this.#processNext(true);
|
|
}
|
|
}
|
|
#processNext(forced = false) {
|
|
if ((this.#runningCount < this.#maxConcurrency || forced) && this.#queue.length > 0) {
|
|
this.#queue.shift()?.task();
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
|
|
Object.defineProperty(exports.default, '__esModule', { value: true });
|
|
Object.assign(exports.default, exports);
|
|
module.exports = exports.default;
|
|
}
|
|
|
|
//# sourceMappingURL=promise-queue.js.map |