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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 }