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							41 lines
						
					
					
						
							971 B
						
					
					
				
			
		
		
	
	
							41 lines
						
					
					
						
							971 B
						
					
					
				| "use strict";
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| 
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| const Path = require("path");
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| const Fs = require("fs");
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| 
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| const createRequireFromPath = require("./create-require");
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| 
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| const cache = new Map();
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| 
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| function requireAt(dir, request) {
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|   const makeIt = (xdir, checked) => {
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|     let xRequire = requireAt.cache && requireAt.cache.get(xdir);
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| 
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|     if (!xRequire) {
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|       let stat;
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|       try {
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|         stat = Fs.statSync(xdir);
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|       } catch (e) {
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|         throw new Error(`require-at: stat '${xdir}' failed: ${e.message}`);
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|       }
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| 
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|       if (!stat || !stat.isDirectory()) {
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|         if (checked) throw new Error(`require-at: not a directory: '${dir}'`);
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|         return makeIt(Path.dirname(xdir), true);
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|       }
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| 
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|       xRequire = createRequireFromPath(Path.join(xdir, "._require-at_"), xdir);
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| 
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|       requireAt.cache && requireAt.cache.set(xdir, xRequire);
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|     }
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| 
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|     return request ? xRequire(request) : xRequire;
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|   };
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| 
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|   return makeIt(Path.resolve(dir), false);
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| }
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| 
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| requireAt.cache = cache;
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| 
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| module.exports = requireAt;
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