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