30 lines
646 B
TypeScript
30 lines
646 B
TypeScript
export interface WorkQueueItem {
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next: () => Promise<unknown>;
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resolve(v: unknown): void;
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reject(e: unknown): void;
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}
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export async function processWorkQueue(queue?: Array<WorkQueueItem>) {
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while (queue && queue.length > 0) {
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const v = queue.shift();
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if (v) {
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try {
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const ret = await v.next();
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v.resolve(ret);
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} catch (e) {
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v.reject(e);
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}
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}
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}
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}
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export const barrierQueue = async <T>(queue: Array<WorkQueueItem>, then: () => Promise<T>): Promise<T> => {
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return new Promise<T>((resolve, reject) => {
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queue.push({
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next: then,
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resolve,
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reject,
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});
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});
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};
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