Function numericToNumber

src/util/number.ts:774–780

(val: unknown)

 * @return Must be a typeof number. If not numeric, return NaN.
 */
export function numericToNumber(val: unknown): number {
    const valFloat = parseFloat(val as string);
    return (
        valFloat == val // eslint-disable-line eqeqeq
        && (valFloat !== 0 || !zrUtil.isString(val) || val.indexOf('x') <= 0) // For case ' 0x0 '.
    ) ? valFloat : NaN;
}

/**
 * Definition of "numeric": see `numericToNumber`.