| 'use strict'; | |
| const path = require('path'); | |
| const Module = require('module'); | |
| const fs = require('fs'); | |
| 
 | |
| const resolveFrom = (fromDir, moduleId, silent) => { | |
| 	if (typeof fromDir !== 'string') { | |
| 		throw new TypeError(`Expected \`fromDir\` to be of type \`string\`, got \`${typeof fromDir}\``); | |
| 	} | |
| 
 | |
| 	if (typeof moduleId !== 'string') { | |
| 		throw new TypeError(`Expected \`moduleId\` to be of type \`string\`, got \`${typeof moduleId}\``); | |
| 	} | |
| 
 | |
| 	try { | |
| 		fromDir = fs.realpathSync(fromDir); | |
| 	} catch (err) { | |
| 		if (err.code === 'ENOENT') { | |
| 			fromDir = path.resolve(fromDir); | |
| 		} else if (silent) { | |
| 			return null; | |
| 		} else { | |
| 			throw err; | |
| 		} | |
| 	} | |
| 
 | |
| 	const fromFile = path.join(fromDir, 'noop.js'); | |
| 
 | |
| 	const resolveFileName = () => Module._resolveFilename(moduleId, { | |
| 		id: fromFile, | |
| 		filename: fromFile, | |
| 		paths: Module._nodeModulePaths(fromDir) | |
| 	}); | |
| 
 | |
| 	if (silent) { | |
| 		try { | |
| 			return resolveFileName(); | |
| 		} catch (err) { | |
| 			return null; | |
| 		} | |
| 	} | |
| 
 | |
| 	return resolveFileName(); | |
| }; | |
| 
 | |
| module.exports = (fromDir, moduleId) => resolveFrom(fromDir, moduleId); | |
| module.exports.silent = (fromDir, moduleId) => resolveFrom(fromDir, moduleId, true);
 |