docs: Fix preset loading error

package.json

@@ -1,11 +1,14 @@
 {
   "name": "@tolgee/ai-migrator",
-  "version": "1.0.0-alpha.4",
+  "version": "1.0.0-alpha.7",
   "description": "AI migration tool to migrate your project from raw string to Tolgee SDKs",
   "bin": {
     "tolgee-migrator": "./dist/src/cli.js"
   },
-  "type": "commonjs",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/tolgee/ai-migrator.git"
+  },  "type": "commonjs",
   "scripts": {
     "build": "tsc && tsx scripts/copyResources.ts",
     "test:unit": "jest tests/**",

src/presets/buildNativePreset.ts

@@ -2,21 +2,31 @@ import fs from 'node:fs';
 import path from 'node:path';
 import Handlebars from 'handlebars';
 import { PresetType } from './PresetType';
+import { ExpectedError } from '../common/ExpectedError';
 
 export function buildNativePreset(name: string): PresetType {
   function getPromptContents(fileName: string) {
-    return fs.readFileSync(path.resolve(__dirname, name, fileName), 'utf8');
+    const presetPath = path.resolve(__dirname, name, fileName);
+    try {
+      return fs.readFileSync(presetPath, 'utf8');
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    } catch (_) {
+      throw new ExpectedError(
+        `Failed to open preset file on ${presetPath}.\nDoes the ${name} preset exist?`
+      );
+    }
   }
 
+  const systemTemplateRaw = getPromptContents('system.handlebars');
+  const userTemplateRaw = getPromptContents('user.handlebars');
+
   function getSystemPrompt() {
-    const systemTemplateRaw = getPromptContents('system.handlebars');
     const systemTemplate = Handlebars.compile(systemTemplateRaw);
     return systemTemplate({});
   }
 
   function getUserPrompt(props: { fileContent: string }) {
-    const systemTemplateRaw = getPromptContents('user.handlebars');
-    const systemTemplate = Handlebars.compile(systemTemplateRaw);
+    const systemTemplate = Handlebars.compile(userTemplateRaw);
     return systemTemplate(props);
   }