39 lines
673 B
JavaScript
39 lines
673 B
JavaScript
async function delay(ms) {
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await new Promise(res => setTimeout(res, ms))
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}
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async function waitPromise (getPromise, checker) {
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do {
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const result = await getPromise()
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if (checker(result))
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return result
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await delay(1000)
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} while (true)
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}
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async function retry (n, getPromise) {
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while (n) {
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try {
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return await getPromise()
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} catch (e) {
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await delay(3000)
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n--
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}
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}
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return null
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}
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Array.prototype.seqMap = async function (transition) {
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const results = []
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for (let i = 0; i < this.length; i++) {
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results[i] = await transition(this[i])
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}
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return results
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}
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module.exports = {
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waitPromise,
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delay,
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retry
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}
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