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Revert "Preserve object prototypes when cloning (#7381)" (#7727)

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This reverts commit 51be344717.
This commit is contained in:
Jukka Kurkela 2020-08-24 15:15:56 +03:00 committed by GitHub
parent 35d669e5bb
commit d561486b4e
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2 changed files with 1 additions and 22 deletions
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2
src/helpers/helpers.core.js
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@ -157,7 +157,7 @@ export function clone(source) {
}
if (isObject(source)) {
const target = Object.create(source);
const target = {};
const keys = Object.keys(source);
const klen = keys.length;
let k = 0;

21
test/specs/helpers.core.tests.js
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@ -316,27 +316,6 @@ describe('Chart.helpers.core', function() {
expect(output.o).not.toBe(o0);
expect(output.o.a).not.toBe(a1);
});
it('should preserve prototype of objects', function() {
// https://github.com/chartjs/Chart.js/issues/7340
class MyConfigObject {
constructor(s) {
this._s = s;
}
func() {
return 10;
}
}
var original = new MyConfigObject('something');
var output = helpers.merge({}, {
plugins: [{
test: original
}]
});
var clone = output.plugins[0].test;
expect(clone).toBeInstanceOf(MyConfigObject);
expect(clone).toEqual(original);
expect(clone === original).toBeFalse();
});
});
describe('mergeIf', function() {