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