From e56c5b013b29287f665ab7265bd0bb526f2be23e Mon Sep 17 00:00:00 2001
From: Carson McManus <carson.mcmanus1@gmail.com>
Date: Thu, 7 Nov 2024 09:09:52 -0500
Subject: [PATCH] fix(vscode): let `linkedEditing` work when tag name contains
 `.`

---
 .../src/plugins/html/HTMLPlugin.ts            | 38 ++++++++++---------
 1 file changed, 21 insertions(+), 17 deletions(-)

diff --git a/packages/language-server/src/plugins/html/HTMLPlugin.ts b/packages/language-server/src/plugins/html/HTMLPlugin.ts
index 4e6cf47ec..a0108a269 100644
--- a/packages/language-server/src/plugins/html/HTMLPlugin.ts
+++ b/packages/language-server/src/plugins/html/HTMLPlugin.ts
@@ -44,12 +44,11 @@ import { indentBasedFoldingRangeForTag } from '../../lib/foldingRange/indentFold
 
 export class HTMLPlugin
     implements
-        HoverProvider,
-        CompletionsProvider,
-        RenameProvider,
-        LinkedEditingRangesProvider,
-        FoldingRangeProvider
-{
+    HoverProvider,
+    CompletionsProvider,
+    RenameProvider,
+    LinkedEditingRangesProvider,
+    FoldingRangeProvider {
     __name = 'html';
     private lang = getLanguageService({
         customDataProviders: this.getCustomDataProviders(),
@@ -142,20 +141,20 @@ export class HTMLPlugin
 
         const results = this.isInComponentTag(html, document, position)
             ? // Only allow emmet inside component element tags.
-              // Other attributes/events would be false positives.
-              CompletionList.create([])
+            // Other attributes/events would be false positives.
+            CompletionList.create([])
             : this.lang.doComplete(document, position, html);
         const items = this.toCompletionItems(results.items);
         const filePath = document.getFilePath();
 
         const prettierConfig =
             filePath &&
-            items.some((item) => item.label.startsWith('on:') || item.label.startsWith('bind:'))
+                items.some((item) => item.label.startsWith('on:') || item.label.startsWith('bind:'))
                 ? this.configManager.getMergedPrettierConfig(
-                      await importPrettier(filePath).resolveConfig(filePath, {
-                          editorconfig: true
-                      })
-                  )
+                    await importPrettier(filePath).resolveConfig(filePath, {
+                        editorconfig: true
+                    })
+                )
                 : null;
 
         const svelteStrictMode = prettierConfig?.svelteStrictMode;
@@ -242,9 +241,9 @@ export class HTMLPlugin
                     textEdit:
                         existingCompletion.textEdit && TextEdit.is(existingCompletion.textEdit)
                             ? {
-                                  range: existingCompletion.textEdit.range,
-                                  newText: `${existingCompletion.textEdit.newText} lang="${lang}"`
-                              }
+                                range: existingCompletion.textEdit.range,
+                                newText: `${existingCompletion.textEdit.newText} lang="${lang}"`
+                            }
                             : undefined
                 })
             );
@@ -333,7 +332,12 @@ export class HTMLPlugin
             return null;
         }
 
-        return { ranges };
+        // Note that `.` is excluded from the word pattern. This is intentional to support property access in Svelte component tags.
+        return {
+            ranges,
+            wordPattern:
+                '(-?\\d*\\.\\d\\w*)|([^\\`\\~\\!\\@\\#\\^\\&\\*\\(\\)\\=\\+\\[\\{\\]\\}\\\\\\|\\;\\:\\\'\\"\\,\\<\\>\\/\\s]+)'
+        };
     }
 
     getFoldingRanges(document: Document): FoldingRange[] {