refactor: remove word patterns for css plugin

plugins/css/src/index.ts

@@ -4,13 +4,6 @@ import * as vscode from 'vscode-languageserver-protocol';
 import { TextDocument } from 'vscode-languageserver-textdocument';
 import * as path from 'path';
 
-const wordPatterns: { [lang: string]: RegExp; } = {
-	css: /(#?-?\d*\.\d\w*%?)|(::?[\w-]*(?=[^,{;]*[,{]))|(([@#.!])?[\w-?]+%?|[@#!.])/g,
-	less: /(#?-?\d*\.\d\w*%?)|(::?[\w-]+(?=[^,{;]*[,{]))|(([@#.!])?[\w-?]+%?|[@#!.])/g,
-	scss: /(#?-?\d*\.\d\w*%?)|(::?[\w-]*(?=[^,{;]*[,{]))|(([@$#.!])?[\w-?]+%?|[@#!$.])/g,
-	postcss: /(#?-?\d*\.\d\w*%?)|(::?[\w-]*(?=[^,{;]*[,{]))|(([@$#.!])?[\w-?]+%?|[@#!$.])/g, // scss
-};
-
 export default function (): LanguageServicePlugin {
 
 	const stylesheets = new WeakMap<TextDocument, [number, css.Stylesheet]>();
@@ -52,17 +45,9 @@ export default function (): LanguageServicePlugin {
 					if (!context.env.documentContext)
 						return;
 
-					const wordPattern = wordPatterns[document.languageId] ?? wordPatterns.css;
-					const wordStart = getWordRange(wordPattern, position, document)?.start; // TODO: use end?
-					const wordRange = vscode.Range.create(wordStart ?? position, position);
 					const settings = await context.env.configurationHost?.getConfiguration<css.LanguageSettings>(document.languageId, document.uri);
 					const cssResult = await cssLs.doComplete2(document, position, stylesheet, context.env.documentContext, settings?.completion);
 
-					if (cssResult) {
-						cssResult.itemDefaults ??= {};
-						cssResult.itemDefaults.editRange ??= wordRange;
-					}
-
 					return cssResult;
 				});
 			},
@@ -72,11 +57,7 @@ export default function (): LanguageServicePlugin {
 
 			prepare(document, position) {
 				return worker(document, (stylesheet, cssLs) => {
-
-					const wordPattern = wordPatterns[document.languageId] ?? wordPatterns.css;
-					const wordRange = getWordRange(wordPattern, position, document);
-
-					return wordRange;
+					return cssLs.prepareRename(document, position, stylesheet);
 				});
 			},
 
@@ -296,30 +277,3 @@ export default function (): LanguageServicePlugin {
 		return callback(stylesheet, cssLs);
 	}
 };
-
-// track https://github.com/microsoft/vscode-css-languageservice/pull/301
-function getWordRange(wordPattern: RegExp, position: vscode.Position, document: TextDocument): vscode.Range | undefined {
-	const lineStart: vscode.Position = {
-		line: position.line,
-		character: 0,
-	};
-	const lineEnd: vscode.Position = {
-		line: position.line + 1,
-		character: 0,
-	};
-	const offset = document.offsetAt(position);
-	const lineStartOffset = document.offsetAt(lineStart);
-	const lineText = document.getText({ start: lineStart, end: lineEnd });
-	for (const match of lineText.matchAll(wordPattern)) {
-		if (match.index === undefined) continue;
-		const matchStart = match.index + lineStartOffset;
-		const matchEnd = matchStart + match[0].length;
-		if (offset >= matchStart && offset <= matchEnd) {
-			return {
-				start: document.positionAt(matchStart),
-				end: document.positionAt(matchEnd),
-			};
-		}
-	}
-	return undefined;
-}