/
merge.ts
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/
merge.ts
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import { deprecate } from '@ember/debug';
/**
@module @ember/polyfills
*/
function merge<T, U>(original: T, updates: U): T & U;
/**
Merge the contents of two objects together into the first object.
```javascript
import { merge } from '@ember/polyfills';
merge({ first: 'Tom' }, { last: 'Dale' }); // { first: 'Tom', last: 'Dale' }
var a = { first: 'Yehuda' };
var b = { last: 'Katz' };
merge(a, b); // a == { first: 'Yehuda', last: 'Katz' }, b == { last: 'Katz' }
```
@method merge
@static
@for @ember/polyfills
@param {Object} original The object to merge into
@param {Object} updates The object to copy properties from
@return {Object}
@deprecated
@public
*/
function merge(original: object, updates: object) {
deprecate('Use of `merge` has been deprecated. Please use `assign` instead.', false, {
id: 'ember-polyfills.deprecate-merge',
until: '4.0.0',
url: 'https://deprecations.emberjs.com/v3.x/#toc_ember-polyfills-deprecate-merge',
for: 'ember-source',
since: {
enabled: '3.6.0-beta.1',
},
});
if (updates === null || typeof updates !== 'object') {
return original;
}
let props = Object.keys(updates);
let prop;
for (let i = 0; i < props.length; i++) {
prop = props[i];
original[prop] = updates[prop];
}
return original;
}
export default merge;