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import { Mock } from './mock';
import { nullIfUndefined } from '../utilities/language-untilities';
export function createMockStorage(): Mock<Storage> {
const map: { [key: string]: string } = {};
return {
get length(): number {
return Object.keys(map).length;
},
key(index: number): string | null {
const keys = Object.keys(map);
if (index >= keys.length) { return null; }
return keys[index];
},
clear() {
Object.keys(map).forEach(key => delete map.key);
},
getItem(key: string): string | null {
return nullIfUndefined(map[key]);
},
setItem(key: string, value: string) {
map[key] = value;
},
removeItem(key: string) {
delete map[key];
}
};
}
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