|
1234567891011121314151617181920212223242526272829 |
- var baseGetTag = require('./_baseGetTag'),
- isObjectLike = require('./isObjectLike');
-
- /** `Object#toString` result references. */
- var boolTag = '[object Boolean]';
-
- /**
- * Checks if `value` is classified as a boolean primitive or object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
- * @example
- *
- * _.isBoolean(false);
- * // => true
- *
- * _.isBoolean(null);
- * // => false
- */
- function isBoolean(value) {
- return value === true || value === false ||
- (isObjectLike(value) && baseGetTag(value) == boolTag);
- }
-
- module.exports = isBoolean;
|