work.suroh.tk/node_modules/rxjs/_esm5/util/isNumeric.js

12 lines
512 B
JavaScript

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