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fix(router): fix error when calling ParamMap.get function (#31599)

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fix this.params.hasOwnProperty is not a function in case of creating an object using Object.create()

PR Close #31599
This commit is contained in:
Anas Barghoud
2019-07-16 23:58:47 +02:00
committed by Andrew Kushnir
parent 80d0067048
commit 2170ea270a
2 changed files with 12 additions and 2 deletions
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12
packages/router/test/shared.spec.ts
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@ -6,7 +6,7 @@
* found in the LICENSE file at https://angular.io/license
*/
import {convertToParamMap, ParamMap} from '../src/shared';
import {convertToParamMap, ParamMap, Params} from '../src/shared';
describe('ParamsMap', () => {
it('should returns whether a parameter is present', () => {
@ -42,4 +42,14 @@ describe('ParamsMap', () => {
const map = convertToParamMap({});
expect(map.getAll('name')).toEqual([]);
});
it('should not error when trying to call ParamMap.get function using an object created with Object.create() function',
() => {
const objectToMap: Params = Object.create(null);
objectToMap['single'] = 's';
objectToMap['multiple'] = ['m1', 'm2'];
const paramMaps: ParamMap = convertToParamMap(objectToMap);
expect(() => paramMaps.get('single')).not.toThrow();
expect(paramMaps.get('single')).toEqual('s');
});
});