feat: use syntax injection for wikilinks

package.json

@@ -52,7 +52,14 @@
   "main": "./dist/extension",
   "contributes": {
     "markdown.markdownItPlugins": true,
-    "commands": [
+      "grammars": [
+        {
+          "path": "./syntaxes/injection.json",
+          "scopeName": "memo.wikilink.injection",
+          "injectTo": ["text.html.markdown"]
+        }
+      ],
+      "commands": [
       {
         "command": "memo.openDailyNote",
         "title": "Open daily note",

src/extension.ts

@@ -2,7 +2,6 @@ import * as vscode from 'vscode';
 
 import { fileWatcher, cache } from './workspace';
 import {
-  syntaxDecorations,
   referenceContextWatcher,
   completionProvider,
   DocumentLinkProvider,
@@ -28,8 +27,6 @@ export const activate = async (
 ): Promise<void | { extendMarkdownIt: typeof extendMarkdownIt }> => {
   newVersionNotifier.activate(context);
 
-  when('decorations.enabled', () => syntaxDecorations.activate(context));
-
   if (process.env.DISABLE_FILE_WATCHER !== 'true') {
     fileWatcher.activate(context);
   }

src/features/index.ts

@@ -7,5 +7,4 @@ export { default as BacklinksTreeDataProvider } from './BacklinksTreeDataProvide
 export { default as extendMarkdownIt } from './extendMarkdownIt';
 export { default as codeActionProvider } from './codeActionProvider';
 export * as referenceContextWatcher from './referenceContextWatcher';
-export * as syntaxDecorations from './syntaxDecorations';
 export * as newVersionNotifier from './newVersionNotifier';