Add stricter type for CharacterClassEscape value (#137)

jviereck · Nov 28, 2023 · 697eaca · 697eaca
1 parent 5517b6c
commit 697eaca
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/parser.d.ts b/parser.d.ts
@@ -52,7 +52,7 @@ export type Anchor = Base<"anchor"> & {
 };
 
 export type CharacterClassEscape = Base<"characterClassEscape"> & {
-  value: string;
+  value: 'd' | 'D' | 'w' | 'W' | 's' | 'S';
 };
 
 export type Value = Base<"value"> & {

diff --git a/test/types.ts b/test/types.ts
@@ -1,4 +1,10 @@
-import { AstNodeType, Identifier, ModifierFlags, parse, RootNode } from "../parser";
+import {
+  AstNodeType,
+  Identifier,
+  ModifierFlags,
+  parse,
+  RootNode,
+} from "../parser";
 
 function assert<T>(input: T): void {}
 
@@ -30,6 +36,10 @@ if (defaultNode.type === "characterClass") {
   assert<"union">(defaultNode.kind);
 }
 
+if (defaultNode.type === "characterClassEscape") {
+  assert<"d" | "D" | "w" | "W" | "s" | "S">(defaultNode.value);
+}
+
 assert<number>(defaultNode.range[0]);
 assert<number>(defaultNode.range[1]);
 assert<string>(defaultNode.raw);