mirror of
https://github.com/Sevichecc/Urara-Blog.git
synced 2025-05-04 18:59:30 +08:00
25 lines
608 B
Text
25 lines
608 B
Text
/**
|
|
* Checks `value` to determine whether a default value should be returned in
|
|
* its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
|
|
* or `undefined`.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @since 4.14.0
|
|
* @category Util
|
|
* @param {*} value The value to check.
|
|
* @param {*} defaultValue The default value.
|
|
* @returns {*} Returns the resolved value.
|
|
* @example
|
|
*
|
|
* _.defaultTo(1, 10);
|
|
* // => 1
|
|
*
|
|
* _.defaultTo(undefined, 10);
|
|
* // => 10
|
|
*/
|
|
function defaultTo(value, defaultValue) {
|
|
return (value == null || value !== value) ? defaultValue : value;
|
|
}
|
|
|
|
module.exports = defaultTo;
|