47 lines
		
	
	
		
			1010 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1010 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| const fs = require('fs');
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| const promisify = require('util.promisify');
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| 
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| const promisiedFsRealpath = promisify(fs.realpath);
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| 
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| function realpath(filepath) {
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|   if (typeof fs.realpath.native === 'function') {
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|     return promisify(fs.realpath.native)(filepath);
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|   }
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|   const fsBinding = process.binding('fs');
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| 
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|   if (fsBinding.realpath) {
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|     return new Promise((resolve, reject) => {
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|       try {
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|         resolve(fsBinding.realpath(filepath, 'utf8'));
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|       } catch (e) {
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|         reject(e);
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|       }
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|     });
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|   }
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| 
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|   return promisiedFsRealpath(filepath);
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| }
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| 
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| function realpathSync(filepath) {
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|   if (typeof fs.realpathSync.native === 'function') {
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|     return fs.realpathSync.native(filepath);
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|   }
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| 
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|   const fsBinding = process.binding('fs');
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| 
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|   if (fsBinding.realpath) {
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|     try {
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|       return fsBinding.realpath(filepath, 'utf8');
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|     } catch (err) {
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|       /* Probably RAM-disk on windows. */
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|     }
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|   }
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| 
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|   return fs.realpathSync(filepath);
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| }
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| 
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| module.exports = realpath;
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| module.exports.sync = realpathSync;
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