| 76 | } |
| 77 | |
| 78 | function walkDirPath(subPaths, basePath, possibleExtensions) { |
| 79 | // if subPaths is empty on entry it is possible directory import |
| 80 | if (subPaths.length === 0) { |
| 81 | subPaths.push('index'); |
| 82 | } |
| 83 | const current = subPaths.shift(); |
| 84 | const entries = readdirSync(basePath, { withFileTypes: true }); |
| 85 | const possibles = entries.filter(entry => { |
| 86 | // possible scenarios |
| 87 | // last subpath? |
| 88 | if (subPaths.length === 0){ |
| 89 | if (entry.isDirectory() && current === entry.name) { // possible directory import |
| 90 | return true; |
| 91 | } |
| 92 | if (!entry.isFile()) { // no pipes, file sockets, etc |
| 93 | return false |
| 94 | } |
| 95 | // it is a regular file |
| 96 | const ext = extname(entry.name); |
| 97 | const fileSansExt = entry.name.replace(ext,''); |
| 98 | if (fileSansExt === current){ |
| 99 | return true; |
| 100 | } |
| 101 | return false; |
| 102 | } |
| 103 | // must be a directory and exact match |
| 104 | if (current === entry.name && entry.isDirectory()){ |
| 105 | return true; |
| 106 | } |
| 107 | return false; |
| 108 | }); |
| 109 | if (subPaths.length > 0){ |
| 110 | if (possibles.length){ |
| 111 | return walkDirPath(structuredClone(subPaths), join(basePath, possibles[0].name), possibleExtensions); |
| 112 | } |
| 113 | return |
| 114 | } |
| 115 | if (possibles.length === 0) { |
| 116 | return; |
| 117 | } |
| 118 | // handle directory imports |
| 119 | const dirImports = possibles.filter(possible => possible.isDirectory()); |
| 120 | const fileImports = possibles.filter(possible => possible.isFile()); |
| 121 | // handle file imports first |
| 122 | for (const ext of possibleExtensions){ |
| 123 | const found = fileImports.find(possible => extname(possible.name) === ext); |
| 124 | if (found){ |
| 125 | return join(basePath, found.name); |
| 126 | } |
| 127 | } |
| 128 | // handle directory imports |
| 129 | for (const dirImport of dirImports){ |
| 130 | const found = walkDirPath(['index'], join(basePath, dirImport.name), possibleExtensions); |
| 131 | if (found) { |
| 132 | return found; |
| 133 | } |
| 134 | } |
| 135 | return; |