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* @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;
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