Fixes test being broken because of typescript and bad fix for type er…

…rors.

Also makes proprocessor keywords show up in the terms file

dm-lezer/babel.config.cjs

@@ -0,0 +1,5 @@
+module.exports = {
+  presets: [
+    "@babel/preset-typescript",
+  ],
+};

dm-lezer/jest.config.cjs

@@ -1,11 +1,13 @@
 /** @type {import("jest").Config} */
 const config = {
   watchPathIgnorePatterns: [
-    "<rootDir>/src/parser.js",
-    "<rootDir>/src/parser.terms.js",
+    "<rootDir>/src/parser.ts",
+    "<rootDir>/src/parser.terms.ts",
     "<rootDir>/node_modules",
   ],
-  moduleFileExtensions: ["js", "cjs", "test", "grammar"],
+  moduleFileExtensions: ["js", "ts", "cjs", "test", "grammar"],
+  extensionsToTreatAsEsm: [".ts"],
+  resolver: "jest-ts-webcompat-resolver",
 };
 
 module.exports = config;

dm-lezer/package.json

@@ -2,10 +2,12 @@
   "name": "dm-lezer",
   "type": "module",
   "devDependencies": {
+    "@babel/preset-typescript": "^7.24.7",
     "@lezer/generator": "^1.7.1",
     "@types/jest": "^29.5.12",
     "@types/node": "^20.14.10",
     "jest": "^30.0.0-alpha.5",
+    "jest-ts-webcompat-resolver": "^1.0.0",
     "tsx": "^4.16.2"
   },
   "dependencies": {

dm-lezer/src/context.ts

@@ -21,8 +21,10 @@ export const ctx = new ContextTracker({
         ...context,
         indent: new IndentLevel(context.indent, stack.pos - input.pos),
       };
-    if (context.indent.parent == null) throw Error('Cannot dedent');
-    if (term === dedent) return { ...context, indent: context.indent.parent };
+    if (term === dedent) {
+      if (context.indent.parent == null) throw Error('Cannot dedent');
+      return { ...context, indent: context.indent.parent };
+    }
     return context;
   },
   hash: (context) => context.indent.hash,

dm-lezer/src/dm.grammar

@@ -107,7 +107,7 @@ PpPragma {
   @else ppContent
 }
 
-ppDirective<name> { "#" Keyword[@name={name}] { name } }
+ppDirective<name> { "#" @specialize[@name={name}]<PpIdentifier, name> }
 ppKw<name> { @specialize[@name={name}]<PpIdentifier, name> }
 
 StatementBlock {