@newdash/newdash/toNumber.js

javascript/typescript utility library

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.toNumber = void 0;
const isObject_1 = __importDefault(require("./isObject"));
const isSymbol_1 = __importDefault(require("./isSymbol"));
/**
 * Used to detect bad signed hexadecimal string values.
 * @ignore
 */
const reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
/**
 * Used to detect binary string values.
 *
 * @ignore
 */
const reIsBinary = /^0b[01]+$/i;
/**
 * Used to detect octal string values.
 * @ignore
 */
const reIsOctal = /^0o[0-7]+$/i;
/**
 * Built-in method references without a dependency on `root`.
 * @ignore
  */
const freeParseInt = parseInt;
/**
 * Converts `value` to a number.
 *
 * @since 5.0.0
 * @category Lang
 * @param value The value to process.
 * @returns Returns the number.
 * @see [[isInteger]],[[toInteger]],[[isNumber]]
 * @example
 *
 * ```js
 * toNumber(3.2)
 * // => 3.2
 *
 * toNumber(Number.MIN_VALUE)
 * // => 5e-324
 *
 * toNumber(Infinity)
 * // => Infinity
 *
 * toNumber('3.2')
 * // => 3.2
 * ```
 */
function toNumber(value) {
    if (typeof value == "number") {
        return value;
    }
    if ((0, isSymbol_1.default)(value)) {
        return Number.NaN;
    }
    if ((0, isObject_1.default)(value)) {
        const other = typeof value.valueOf == "function" ? value.valueOf() : value;
        value = (0, isObject_1.default)(other) ? (`${other}`) : other;
    }
    if (typeof value != "string") {
        return value === 0 ? value : +value;
    }
    value = value.trim();
    const isBinary = reIsBinary.test(value);
    return (isBinary || reIsOctal.test(value))
        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
        : (reIsBadHex.test(value) ? Number.NaN : +value);
}
exports.toNumber = toNumber;
exports.default = toNumber;