EgaLabs / node-ejsception

"use strict";

// :: DEPENDENCIES

// load native dependencies

const path = require("path");

// load local dependencies

const Throwable = require(path.join(__dirname, "Throwable.js"));

// :: BASIC SETUP

// empty 'class'

const Exception = function (name, message, code) {

    Throwable.call(this, name, message, code);

};

// :: INHERITANCE

// set the prototype chain parent to the Throwable 'class'

Exception.prototype = Object.create(Throwable.prototype);

// set the prototype chain constructor

Exception.prototype.constructor = Exception;

// :: PROTOTYPE

// set the toString method

Exception.prototype.toString = function () {

    let str = (this.name !== null && this.name !== undefined ? this.name : "Exception");

    if (this.code !== null && this.code !== undefined) {

        str += " (0x" + this.code.toString(16) + ")";

    }

    str += ": " + (this.message !== null && this.message !== undefined ? this.message : "thrown") + ".";

    return str;

};

// returns a native 'Error'

Exception.prototype.native = function () {

    let str = (this.name !== null && this.name !== undefined ? this.name : "Exception");

    if (this.code !== null && this.code !== undefined) {

        str += " (0x" + this.code.toString(16) + ")";

    }

    str += ": " + (this.message !== null && this.message !== undefined ? this.message : "thrown");

    return new Error(str);

};

// :: EXPORT

// export the Exception 'class'

module.exports = Exception;