Created
November 27, 2015 05:25
Hack require demo
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| "use strict"; | |
| var fs = require("fs"); | |
| var path = require("path"); | |
| var Module = require("module"); | |
| var _resolveFilename = Module._resolveFilename.bind(Module); | |
| var cache = {}; | |
| var SRC_PATH = path.resolve(__dirname, "../"); | |
| /** | |
| * _resolveFilename | |
| * @param {String} request the request path | |
| * @param {Object} parent the parent object | |
| * @return {*} the `_resolveFilename` return value | |
| */ | |
| Module._resolveFilename = function(request, parent) { | |
| if(!request.startsWith("./") && !request.startsWith("../")) { | |
| if(cache[request]) { | |
| request = cache[request]; | |
| } else if(undefined === cache[request]) { | |
| // that is $PROJ_ROOT/src/ | |
| var testRequest = path.resolve(SRC_PATH, request); | |
| var names = [ | |
| testRequest + ".js", | |
| testRequest + ".json", | |
| testRequest + "/index.js", | |
| testRequest + "/index.json" | |
| ]; | |
| /** | |
| * because | |
| * | |
| * > Stability: 0 - Deprecated: Use fs.statSync or fs.accessSync instead. | |
| * | |
| * so we use try...catch and statSync instead | |
| * | |
| * see https://nodejs.org/api/fs.html#fs_fs_existssync_path | |
| */ | |
| cache[request] = false; | |
| for(var i = 0; i < names.length; i++) { | |
| try { | |
| if(fs.statSync(names[i]).isFile()) { | |
| request = cache[request] = testRequest; | |
| break; | |
| } | |
| } catch(e) { | |
| // ignore... | |
| } | |
| } | |
| } | |
| } | |
| return _resolveFilename(request, parent); | |
| }; |
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