10 lines
427 B
Plaintext
10 lines
427 B
Plaintext
import { isArray } from './isArray';
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export function isNumeric(val: any): val is number | string {
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// parseFloat NaNs numeric-cast false positives (null|true|false|"")
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// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
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// subtraction forces infinities to NaN
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// adding 1 corrects loss of precision from parseFloat (#15100)
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return !isArray(val) && (val - parseFloat(val) + 1) >= 0;
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}
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