47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
export class LocalStorage {
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constructor(jest) {
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Object.defineProperty(this, 'getItem', {
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enumerable: false,
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value: jest.fn((key) => this[key] || null),
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});
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Object.defineProperty(this, 'setItem', {
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enumerable: false,
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// not mentioned in the spec, but we must always coerce to a string
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value: jest.fn((key, val = '') => {
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this[key] = `${val}`;
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}),
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});
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Object.defineProperty(this, 'removeItem', {
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enumerable: false,
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value: jest.fn((key) => {
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delete this[key];
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}),
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});
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Object.defineProperty(this, 'clear', {
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enumerable: false,
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value: jest.fn(() => {
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Object.keys(this).map((key) => delete this[key]);
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}),
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});
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Object.defineProperty(this, 'toString', {
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enumerable: false,
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value: jest.fn(() => {
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return '[object Storage]';
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}),
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});
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Object.defineProperty(this, 'key', {
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enumerable: false,
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value: jest.fn((idx) => Object.keys(this)[idx] || null),
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});
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} // end constructor
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get length() {
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return Object.keys(this).length;
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}
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// for backwards compatibility
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get __STORE__() {
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return this;
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}
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}
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