Escape all regex special characters in identifiers (fix #595)

webpro-nl · May 30, 2024 · 8e2a4d3 · 8e2a4d3
1 parent 87850ea
commit 8e2a4d3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/knip/src/typescript/getImportsAndExports.ts b/packages/knip/src/typescript/getImportsAndExports.ts
@@ -400,7 +400,7 @@ const getImportsAndExports = (
   const setRefs = (item: SerializableExport | SerializableExportMember) => {
     if (!item.symbol) return;
     const symbols = new Set<ts.Symbol>();
-    for (const match of sourceFile.text.matchAll(new RegExp(item.identifier.replace(/\$/g, '\\$'), 'g'))) {
+    for (const match of sourceFile.text.matchAll(new RegExp(item.identifier.replace(/[\\^$*+?.()|[\]{}]/g, '\\$&'), 'g'))) {
       const isDeclaration = match.index === item.pos || match.index === item.pos + 1; // off-by-one from `stripQuotes`
       if (!isDeclaration) {
         // @ts-expect-error ts.getTokenAtPosition is internal fn