@etsoo/shared/lib/cjs/node/Storage.js

TypeScript shared utilities and functions

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.NodeStorage = void 0;
/**
 * Node storage
 * Please take care of the persistence with source property
 */
class NodeStorage {
    /**
     * Constructor
     */
    constructor() {
        /**
         * Storage source
         */
        this.source = [];
    }
    /**
     * Returns the number of key/value pairs currently present in the list
     */
    get length() {
        return this.source.length;
    }
    /**
     * Empties the list associated with the object of all key/value pairs, if there are any.
     */
    clear() {
        this.source = [];
    }
    /**
     * Returns the current value associated with the given key, or null if the given key does not exist in the list
     * @param key Key
     */
    getItem(key) {
        const item = this.source.find((p) => p[0] === key);
        return item == null ? null : item[1];
    }
    /**
     * Returns the name of the nth key in the list, or null if n is greater than or equal to the number of key/value pairs in the object.
     */
    key(index) {
        if (index < 0 || index >= this.source.length)
            return null;
        return this.source[index][0];
    }
    /**
     * Removes the key/value pair with the given key from the list associated with the object, if a key/value pair with the given key exists.
     */
    removeItem(key) {
        this.source.remove((p) => p[0] === key);
    }
    /**
     * Sets the value of the pair identified by key to value, creating a new key/value pair if none existed for key previously.
     *
     * Throws a "QuotaExceededError" DOMException exception if the new value couldn't be set. (Setting could fail if, e.g., the user has disabled storage for the site, or if the quota has been exceeded.)
     */
    setItem(key, value) {
        const item = this.source.find((p) => p[0] === key);
        if (item) {
            item[1] = value;
        }
        else {
            this.source.push([key, value]);
        }
    }
}
exports.NodeStorage = NodeStorage;