anniot-device/lib/module/data.js

Connect IoT devices to AnnIoT

const fs       = require('fs');
const homedir  = process.cwd();
module.exports = function(dir) {    
    /**
     * Read userdata
     * @return {Object} Data -Get user data
    */
    this.read   = function() {
        return JSON.parse(
            fs.readFileSync(
                homedir + "/iotConfig.data","utf8"
            )
        );
    };
    /**
     * Write user data
     * @param {Object} obj Data object
     * @returns {void} 
    */
    this.write  = function(obj) {
        fs.writeFileSync(
            homedir + "/iotConfig.data",
            JSON.stringify(
                obj,null,2
            )
        );
    };
    /**
     * Check data is available
     * @returns {boolean} Get File exist or not
    */
    this.check  = function() {
        return JSON.parse(
            fs.existsSync(
                homedir + "/iotConfig.data"
            )
        );
    }; 
    /**
     * Delete user data
     * @returns {void}
    */
    this.delete = function() {
        fs.unlinkSync(
            homedir + "/iotConfig.data"
        );
    };
}