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Last change
on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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100644
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File size:
427 bytes
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| 1 | import { isArray } from './isArray';
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| 2 |
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| 3 | export function isNumeric(val: any): val is number | string {
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| 4 | // parseFloat NaNs numeric-cast false positives (null|true|false|"")
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| 5 | // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
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| 6 | // subtraction forces infinities to NaN
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| 7 | // adding 1 corrects loss of precision from parseFloat (#15100)
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| 8 | return !isArray(val) && (val - parseFloat(val) + 1) >= 0;
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| 9 | }
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