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39 lines
1.2 KiB
39 lines
1.2 KiB
4 years ago
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'use strict'
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/* global SharedArrayBuffer, Atomics */
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if (typeof SharedArrayBuffer !== 'undefined' && typeof Atomics !== 'undefined') {
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const nil = new Int32Array(new SharedArrayBuffer(4))
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function sleep (ms) {
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// also filters out NaN, non-number types, including empty strings, but allows bigints
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const valid = ms > 0 && ms < Infinity
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if (valid === false) {
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if (typeof ms !== 'number' && typeof ms !== 'bigint') {
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throw TypeError('sleep: ms must be a number')
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}
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throw RangeError('sleep: ms must be a number that is greater than 0 but less than Infinity')
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}
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Atomics.wait(nil, 0, 0, Number(ms))
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}
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module.exports = sleep
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} else {
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function sleep (ms) {
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// also filters out NaN, non-number types, including empty strings, but allows bigints
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const valid = ms > 0 && ms < Infinity
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if (valid === false) {
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if (typeof ms !== 'number' && typeof ms !== 'bigint') {
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throw TypeError('sleep: ms must be a number')
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}
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throw RangeError('sleep: ms must be a number that is greater than 0 but less than Infinity')
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}
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const target = Date.now() + Number(ms)
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while (target > Date.now()){}
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}
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module.exports = sleep
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}
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