element-web-Github/cypress/support/storage.ts

/*
Copyright 2022 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

export class MockStorage implements Storage {
    private data: Record<string, string> = {};
    private keys: string[] = [];
    public length = 0;

    constructor() {}

    public setItem(k: string, v: string) {
        this.data[k] = v;
        this.recalc();
    }

    public getItem(k: string): string | null {
        return this.data[k] || null;
    }

    public removeItem(k: string) {
        delete this.data[k];
        this.recalc();
    }

    public clear() {
        this.data = {};
        this.recalc();
    }

    public key(index: number): string {
        return this.keys[index];
    }

    private recalc() {
        const keys = [];
        for (const k in this.data) {
            if (!this.data.hasOwnProperty(k)) {
                continue;
            }
            keys.push(k);
        }
        this.keys = keys;
        this.length = keys.length;
    }
}