json-file-database/dist/src/database-file.js

Lightweight Database on NodeJS by JSON Files

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createObjectFile = exports.createFile = void 0;
const fs_1 = require("fs");
/**
 * Creates a real file in the disk.
 * @param path the path of file.
 * @returns the file for the database to read.
 */
function createFile(path) {
    return {
        read() {
            return (0, fs_1.readFileSync)(path, 'utf-8');
        },
        write(content) {
            (0, fs_1.writeFileSync)(path, content);
        },
    };
}
exports.createFile = createFile;
/**
 * Creates a "file" of an object.
 * @param obj the content object.
 * @param mutable whether the object is mutable, if so, it will be assigned whenever data updates.
 * @returns the file for the database to read.
 */
function createObjectFile(obj, mutable = false) {
    const file = {
        read: () => JSON.stringify(obj),
        write: () => { },
    };
    if (mutable)
        file.write = content => Object.assign(obj, JSON.parse(content));
    return file;
}
exports.createObjectFile = createObjectFile;