feat: add support for substituting configDir magic variable in tsconfig file

Author: thetutlage

src/utils.ts

@@ -75,6 +75,17 @@ export function parseConfig(
     return
   }
 
+  if (parsedConfig!.raw.include) {
+    parsedConfig!.raw.include = parsedConfig!.raw.include.map((includePath: string) => {
+      return includePath.replace('${configDir}/', '')
+    })
+  }
+  if (parsedConfig!.raw.exclude) {
+    parsedConfig!.raw.exclude = parsedConfig!.raw.exclude.map((excludePath: string) => {
+      return excludePath.replace('${configDir}/', '')
+    })
+  }
+
   return parsedConfig
 }
 

tests/utils/parse_config.spec.ts

@@ -37,4 +37,18 @@ test.group('Helpers | Parse config', () => {
     const result = parseConfig(fs.baseUrl, ts)
     assert.deepEqual(result?.fileNames, [string.toUnixSlash(join(fs.basePath, 'foo.ts'))])
   })
+
+  test('parse tsconfig file using ${configDir} variable to point to the root dir', async ({
+    assert,
+    fs,
+  }) => {
+    await fs.createJson('tsconfig.json', {
+      include: ['${configDir}/**/*', '${configDir}/.adonisjs/server/**/*'],
+    })
+    await fs.create('foo.ts', '')
+
+    const result = parseConfig(fs.baseUrl, ts)
+    assert.deepEqual(result?.fileNames, [string.toUnixSlash(join(fs.basePath, 'foo.ts'))])
+    assert.deepEqual(result?.raw.include, ['**/*', '.adonisjs/server/**/*'])
+  })
 })