devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
48 lines (47 loc) • 1.64 kB
JavaScript
/**
* DevExtreme (core/utils/dependency_injector.js)
* Version: 20.1.7
* Build date: Tue Aug 25 2020
*
* Copyright (c) 2012 - 2020 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
module.exports = function(object) {
var extend = require("./extend").extend;
var isFunction = require("./type").isFunction;
var each = require("./iterator").each;
var Class = require("../class");
var BaseClass = Class.inherit(object);
var InjectedClass = BaseClass;
var instance = new InjectedClass(object);
var initialFields = {};
var injectFields = function(injectionObject, initial) {
each(injectionObject, function(key) {
if (isFunction(instance[key])) {
if (initial || !object[key]) {
object[key] = function() {
return instance[key].apply(object, arguments)
}
}
} else {
if (initial) {
initialFields[key] = object[key]
}
object[key] = instance[key]
}
})
};
injectFields(object, true);
object.inject = function(injectionObject) {
InjectedClass = InjectedClass.inherit(injectionObject);
instance = new InjectedClass;
injectFields(injectionObject)
};
object.resetInjection = function() {
extend(object, initialFields);
InjectedClass = BaseClass;
instance = new BaseClass
};
return object
};