feat((synced-files)): sync type files when directus starts

Also adds a disclaimer to the generated types files

maltejur#27

src/extension-hook.sync-ts-files/index.ts

@@ -5,8 +5,8 @@ import { Collections } from '../lib/types';
 import { gatherCollectionsData } from '../lib/generate-types/utils';
 import * as fs from 'node:fs';
 
-export default defineHook(({ action }, extCtx) => {
-  const { services: { CollectionsService, FieldsService, RelationsService }, env, logger } = extCtx;
+export default defineHook(async ({ action }, extCtx) => {
+  const { services: { CollectionsService, FieldsService, RelationsService }, env, logger, getSchema } = extCtx;
 
   let targetFiles: string | string[] = env.GENERATE_TYPES_SYNCED_TS_FILES;
 
@@ -19,7 +19,9 @@ export default defineHook(({ action }, extCtx) => {
     targetFiles = [targetFiles]
   }
 
-  const listCollections = async (schema: SchemaOverview) => {
+
+  const saveTypescriptTypesToFile = async () => {
+    const schema: SchemaOverview = await getSchema();
 		const collectionsService = new CollectionsService({schema});
 		const collections: Collection[] = await collectionsService.readByQuery();
 
@@ -38,17 +40,18 @@ export default defineHook(({ action }, extCtx) => {
     let useIntersectionTypes = false;
     generateTsTypes(collectionsData, useIntersectionTypes).then((types) => {
       targetFiles.forEach((targetFile: string) => {
-        writeToFile('./', targetFile, types)
+        writeToFile('./', targetFile, disclaimerHeader + types)
         logger.info(`Types synced into ${targetFile}`)
       })
     });
   }
 
-  const onChange: ActionHandler = async ({ }, { schema }) => {
-    if (schema === null) {
-      throw new Error('schema is null');
-    }
-    listCollections(schema);
+  // Update the types when we start the server
+  saveTypescriptTypesToFile();
+
+
+  const onChange: ActionHandler = async () => {
+    saveTypescriptTypesToFile();
   }
 
 	action('collections.create', onChange);
@@ -65,7 +68,7 @@ export default defineHook(({ action }, extCtx) => {
 });
 
 
-export function writeToFile(directoryPath: string, fileName: string, data: string) {
+const writeToFile = (directoryPath: string, fileName: string, data: string) => {
   try {
     fs.mkdirSync(directoryPath, {recursive: true})
   }
@@ -77,3 +80,9 @@ export function writeToFile(directoryPath: string, fileName: string, data: strin
 
   fs.writeFileSync(`${directoryPath}/${fileName}`, data)
 }
+
+const disclaimerHeader = `/*
+ * This file is generated by 'directus-extensions-generate-types' script.
+ * Do not edit manually.
+ */
+`