fix: resolve tsconfig paths with tsx

Author: zirkelc

lib/configuration/read.js

@@ -56,12 +56,19 @@ const parseConfigurationFile = async (configurationPath) => {
     case '.ts':
     case '.mts': {
       try {
-        const { createJiti } = require('jiti');
-        const jiti = createJiti(null, { interopDefault: true });
+        // const { createJiti } = require('jiti');
+        // const jiti = createJiti(null, { interopDefault: true });
+        // const content = await jiti.import(configurationPath, { default: true });
 
-        const content = await jiti.import(configurationPath, { default: true });
+        /**
+         * Jiti does not support `tsconfig.paths`, so we need to use tsx to load the configuration file.
+         * @see https://github.com/unjs/jiti/issues/373
+         * @see https://tsx.is/dev-api/tsx-require
+         */
+        const tsx = require('tsx/cjs/api');
+        const content = tsx.require(configurationPath, __filename);
 
-        return content;
+        return content.default ?? content;
       } catch (error) {
         throw new ServerlessError(
           `Cannot parse "${path.basename(configurationPath)}": Initialization error: ${
@@ -145,6 +152,7 @@ module.exports = async (configurationPath) => {
   let configuration = await parseConfigurationFile(configurationPath);
 
   if (!isPlainObject(configuration)) {
+    console.log('configuration', configuration);
     throw new ServerlessError(
       `Invalid configuration at "${path.basename(configurationPath)}": Plain object expected`,
       'INVALID_CONFIGURATION_EXPORT'

package.json

@@ -73,6 +73,7 @@
     "strip-ansi": "^6.0.1",
     "supports-color": "^8.1.1",
     "timers-ext": "^0.1.7",
+    "tsx": "^4.20.3",
     "type": "^2.7.2",
     "untildify": "^4.0.0",
     "uuid": "^9.0.0",