basant307/AI_Governance_Project

1var baseTrim = require('./_baseTrim'),2    isObject = require('./isObject'),3    isSymbol = require('./isSymbol');4 5/** Used as references for various `Number` constants. */6var NAN = 0 / 0;7 8/** Used to detect bad signed hexadecimal string values. */9var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;10 11/** Used to detect binary string values. */12var reIsBinary = /^0b[01]+$/i;13 14/** Used to detect octal string values. */15var reIsOctal = /^0o[0-7]+$/i;16 17/** Built-in method references without a dependency on `root`. */18var freeParseInt = parseInt;19 20/**21 * Converts `value` to a number.22 *23 * @static24 * @memberOf _25 * @since 4.0.026 * @category Lang27 * @param {*} value The value to process.28 * @returns {number} Returns the number.29 * @example30 *31 * _.toNumber(3.2);32 * // => 3.233 *34 * _.toNumber(Number.MIN_VALUE);35 * // => 5e-32436 *37 * _.toNumber(Infinity);38 * // => Infinity39 *40 * _.toNumber('3.2');41 * // => 3.242 */43function toNumber(value) {44  if (typeof value == 'number') {45    return value;46  }47  if (isSymbol(value)) {48    return NAN;49  }50  if (isObject(value)) {51    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;52    value = isObject(other) ? (other + '') : other;53  }54  if (typeof value != 'string') {55    return value === 0 ? value : +value;56  }57  value = baseTrim(value);58  var isBinary = reIsBinary.test(value);59  return (isBinary || reIsOctal.test(value))60    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)61    : (reIsBadHex.test(value) ? NAN : +value);62}63 64module.exports = toNumber;65