web-shared-preferences-fs-pollyfill/dist/SharedPreferencesFsPollyfill.js

Pollyfill to use SharedPreferences outside of browsers

import * as fs from "fs";
import { TempLocalStorage } from "web-shared-preferences";
/**
 * Pollyfill to use SharedPreferences outside of browsers
 */
export class SharedPreferencesFsPollyfill extends TempLocalStorage {
    constructor(path) {
        super();
        this.path = path;
    }
    loadFile(file) {
        return JSON.parse(fs.readFileSync(file, "utf-8"));
    }
    writeData(file, data) {
        fs.writeFileSync(file, JSON.stringify(data, null, 2));
    }
    getItem(key) {
        return this.loadFile(this.path)[key];
    }
    setItem(key, value) {
        let tmp = this.loadFile(this.path);
        tmp[key] = value;
        this.writeData(this.path, tmp);
    }
    removeItem(key) {
        let tmp = this.loadFile(this.path);
        delete tmp[key];
        this.writeData(this.path, tmp);
    }
    clear() {
        let tmp = this.loadFile(this.path);
        tmp = {};
        this.writeData(this.path, tmp);
    }
    key(i) {
        return "";
    }
    get length() {
        return Object.keys(this.loadFile(this.path)).length;
    }
}
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