mrpiglr
190b6b2eab
Some checks are pending
Build AeThex Engine / build-windows (push) Waiting to run
Build AeThex Engine / build-linux (push) Waiting to run
Build AeThex Engine / build-macos (push) Waiting to run
Build AeThex Engine / create-release (push) Blocked by required conditions
Deploy Docsify Documentation / build (push) Waiting to run
Deploy Docsify Documentation / deploy (push) Blocked by required conditions
37 lines
949 B
JavaScript
37 lines
949 B
JavaScript
var isInteger = require('./isInteger');
|
|
|
|
/** Used as references for various `Number` constants. */
|
|
var MAX_SAFE_INTEGER = 9007199254740991;
|
|
|
|
/**
|
|
* Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
|
|
* double precision number which isn't the result of a rounded unsafe integer.
|
|
*
|
|
* **Note:** This method is based on
|
|
* [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @since 4.0.0
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
|
|
* @example
|
|
*
|
|
* _.isSafeInteger(3);
|
|
* // => true
|
|
*
|
|
* _.isSafeInteger(Number.MIN_VALUE);
|
|
* // => false
|
|
*
|
|
* _.isSafeInteger(Infinity);
|
|
* // => false
|
|
*
|
|
* _.isSafeInteger('3');
|
|
* // => false
|
|
*/
|
|
function isSafeInteger(value) {
|
|
return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
|
|
}
|
|
|
|
module.exports = isSafeInteger;
|