/** * @license Apache-2.0 * * Copyright (c) 2018 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 'use strict'; // MODULES // var isError = require( '@stdlib/assert/is-error' ); // MAIN // /** * Wraps `require` in a try/catch block. * * @param {string} id - module id * @returns {*|Error} `module.exports` of the resolved module or an error * * @example * var out = tryRequire( 'beepboop' ); * * if ( out instanceof Error ) { * console.error( out.message ); * } */ function tryRequire( id ) { try { return require( id ); // eslint-disable-line stdlib/no-dynamic-require } catch ( error ) { if ( isError( error ) ) { return error; } // Handle case where a literal is thrown... if ( typeof error === 'object' ) { return new Error( JSON.stringify( error ) ); } return new Error( error.toString() ); } } // EXPORTS // module.exports = tryRequire;