feat: support custom definitions

packages/playground/src/custom.d.ts

@@ -0,0 +1,8 @@
+import { PageMetaDatum as SPageMetaDatum } from '@uni-helper/vite-plugin-uni-pages';
+
+export interface UniPagesRouteMeta {
+  PageMetaDatum: Partial<SPageMetaDatum> & {
+    /** 自定义属性 */
+    customAttribute?: string
+  }
+}

packages/playground/src/pages/test.vue

@@ -11,6 +11,7 @@
   },
   "middlewares": [
     "auth"
-  ]
+  ],
+  "customAttribute": "custom attribute"
 }
 </route>

packages/playground/volar.config.js

@@ -2,6 +2,6 @@ const volarServiceUniPages = require('@uni-helper/volar-service-uni-pages')
 
 module.exports = {
   services: [
-    volarServiceUniPages(),
+    volarServiceUniPages({ path: './src/custom.d.ts' }),
   ],
 }

packages/volar/src/index.ts

@@ -5,22 +5,25 @@ import { type TextDocument } from 'vscode-languageserver-textdocument'
 import { createJsonLs } from './jsonLs'
 import { createYamlLs } from './yamlLs'
 import { isYaml } from './utils'
+import { type Config } from "ts-json-schema-generator";
+
+export type PluginConfig = Pick<Config, "path" | "tsconfig">;
 
 export interface Provide {
   'json/jsonDocument': (document: TextDocument) => json.JSONDocument | undefined
   'json/languageService': () => json.LanguageService
   'yaml/languageService': () => LanguageService
 }
 
-export default (): Service<Provide> => (context): ReturnType<Service<Provide>> => {
+export default (config: PluginConfig = {}): Service<Provide> => (context): ReturnType<Service<Provide>> => {
   // https://github.com/microsoft/vscode/blob/09850876e652688fb142e2e19fd00fd38c0bc4ba/extensions/json-language-features/server/src/jsonServer.ts#L150
   const triggerCharacters = ['"', ':']
 
   if (!context)
     return { triggerCharacters } as any
 
   const jsonDocuments = new WeakMap<TextDocument, [number, json.JSONDocument]>()
-  const jsonLs = createJsonLs(context)
+  const jsonLs = createJsonLs(context, config)
   const yamlLs = createYamlLs(context)
 
   return {

packages/volar/src/jsonLs.ts

@@ -1,9 +1,37 @@
 import * as json from 'vscode-json-languageservice'
 import type { ServiceContext } from '@volar/language-service'
 import { schema } from './schema'
+import { createGenerator } from "ts-json-schema-generator";
+import type { PluginConfig } from './index'
+import { JSONSchema7 } from 'json-schema';
 
-export function createJsonLs(_context: ServiceContext) {
+export function createJsonLs(_context: ServiceContext, config: PluginConfig) {
   const jsonLs = json.getLanguageService({})
+  try {
+    const routeMetaSchema = createGenerator({
+      skipTypeCheck: true,
+      type: "UniPagesRouteMeta",
+      tsconfig: './tsconfig.json',
+      ...config,
+    }).createSchema("UniPagesRouteMeta");
+
+    const routeMeta = routeMetaSchema.definitions.UniPagesRouteMeta as JSONSchema7
+    if (routeMeta) {
+      for (const key in schema.definitions) {
+        const exist = routeMeta.properties[key]
+        if (exist && typeof exist === 'object') {
+          schema.definitions[key] = {
+            ...schema.definitions[key],
+            ...exist
+          }
+        }
+      }
+    }
+  } catch (e) {
+    console.log("[Error] @uni-helper/volar-service-uni-pages:");
+    console.log(e);
+  }
+
   jsonLs.configure({
     allowComments: true,
     schemas: [

test/generate.spec.ts

@@ -70,7 +70,8 @@ describe('generate routes', () => {
           },
           \\"middlewares\\": [
             \\"auth\\"
-          ]
+          ],
+          \\"customAttribute\\": \\"custom attribute\\"
         },
         {
           \\"path\\": \\"../packages/playground/src/pages/blog/index\\",
@@ -143,7 +144,8 @@ describe('generate routes', () => {
           },
           \\"middlewares\\": [
             \\"auth\\"
-          ]
+          ],
+          \\"customAttribute\\": \\"custom attribute\\"
         },
         {
           \\"path\\": \\"../packages/playground/src/pages/blog/index\\",