alinea
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JavaScript
// node_modules/p-limit/node_modules/yocto-queue/index.js
var Node = class {
value;
next;
constructor(value) {
this.value = value;
}
};
var Queue = class {
#head;
#tail;
#size;
constructor() {
this.clear();
}
enqueue(value) {
const node = new Node(value);
if (this.#head) {
this.#tail.next = node;
this.#tail = node;
} else {
this.#head = node;
this.#tail = node;
}
this.#size++;
}
dequeue() {
const current = this.#head;
if (!current) {
return;
}
this.#head = this.#head.next;
this.#size--;
return current.value;
}
clear() {
this.#head = void 0;
this.#tail = void 0;
this.#size = 0;
}
get size() {
return this.#size;
}
*[Symbol.iterator]() {
let current = this.#head;
while (current) {
yield current.value;
current = current.next;
}
}
};
// node_modules/p-limit/index.js
function pLimit(concurrency) {
if (!((Number.isInteger(concurrency) || concurrency === Number.POSITIVE_INFINITY) && concurrency > 0)) {
throw new TypeError("Expected `concurrency` to be a number from 1 and up");
}
const queue = new Queue();
let activeCount = 0;
const next = () => {
activeCount--;
if (queue.size > 0) {
queue.dequeue()();
}
};
const run = async (fn, resolve, args) => {
activeCount++;
const result = (async () => fn(...args))();
resolve(result);
try {
await result;
} catch {
}
next();
};
const enqueue = (fn, resolve, args) => {
queue.enqueue(run.bind(void 0, fn, resolve, args));
(async () => {
await Promise.resolve();
if (activeCount < concurrency && queue.size > 0) {
queue.dequeue()();
}
})();
};
const generator = (fn, ...args) => new Promise((resolve) => {
enqueue(fn, resolve, args);
});
Object.defineProperties(generator, {
activeCount: {
get: () => activeCount
},
pendingCount: {
get: () => queue.size
},
clearQueue: {
value: () => {
queue.clear();
}
}
});
return generator;
}
export {
pLimit
};