phaser
Version:
A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers from the team at Phaser Studio Inc.
59 lines (53 loc) • 1.62 kB
JavaScript
/**
* @author Richard Davey <rich@phaser.io>
* @copyright 2013-2025 Phaser Studio Inc.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
/**
* Internal function used by the Tween Builder to create a function that will return
* the given value from the source.
*
* @function Phaser.Tweens.Builders.GetNewValue
* @since 3.0.0
*
* @param {any} source - The source object to get the value from.
* @param {string} key - The property to get from the source.
* @param {any} defaultValue - A default value to return should the source not have the property set.
*
* @return {function} A function which, when called, will return the property value from the source.
*/
var GetNewValue = function (source, key, defaultValue)
{
var valueCallback;
if (source.hasOwnProperty(key))
{
var t = typeof(source[key]);
if (t === 'function')
{
valueCallback = function (target, targetKey, value, targetIndex, totalTargets, tween)
{
return source[key](target, targetKey, value, targetIndex, totalTargets, tween);
};
}
else
{
valueCallback = function ()
{
return source[key];
};
}
}
else if (typeof defaultValue === 'function')
{
valueCallback = defaultValue;
}
else
{
valueCallback = function ()
{
return defaultValue;
};
}
return valueCallback;
};
module.exports = GetNewValue;