dotfiles/.vscode/extensions/vscodevim.vim-0.1.10/node_modules/lodash/isBoolean.js
Cyryl Płotnicki 2f946d6200 Add .vscode
2016-09-11 10:29:13 +02:00

38 lines
911 B
JavaScript

var isObjectLike = require('./isObjectLike');
/** `Object#toString` result references. */
var boolTag = '[object Boolean]';
/** Used for built-in method references. */
var objectProto = Object.prototype;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var objectToString = objectProto.toString;
/**
* 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) && objectToString.call(value) == boolTag);
}
module.exports = isBoolean;