Update dependencies, including Peggy. BREAKING: next release will require node 20

.github/workflows/node.js.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 21.x, 22.x, 23.x]
+        node-version: [20, 22, 23]
         platform: [ubuntu-latest]
 
     runs-on: ${{ matrix.platform }}

.github/workflows/publish.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '22.x'
+          node-version: 22
           registry-url: 'https://registry.npmjs.org'
           cache: pnpm
       - run: pnpm i -r

lib/index.d.ts

@@ -18,10 +18,11 @@
  * @param {TestPeggyOptions} [opts] Options for processing.
  * @returns {Promise<TestCounts>}
  */
-export function testPeggy<T>(grammarUrl: URL | string, starts: PeggyTestOptions<T>[], opts?: TestPeggyOptions | undefined): Promise<TestCounts>;
+export function testPeggy<T>(grammarUrl: URL | string, starts: PeggyTestOptions<T>[], opts?: TestPeggyOptions): Promise<TestCounts>;
 export type TestCounts = {
     valid: number;
     invalid: number;
+    total: number;
     grammarPath: string;
     modifiedPath: string;
 };

lib/index.js

@@ -5,7 +5,7 @@ import {
   ok,
   throws,
 } from "node:assert/strict";
-import { SourceNode } from "source-map-generator";
+import { SourceNode } from "source-map";
 import { fileURLToPath } from "node:url";
 import fs from "node:fs/promises";
 import path from "node:path";
@@ -70,7 +70,7 @@ let counter = 0;
  * @param {string} text
  */
 function format(e, source, text) {
-  const er = /** @type {import('peggy').parser.SyntaxError} */(e);
+  const er = /** @type {import('peggy').parser.PeggySyntaxError} */(e);
   if (typeof er?.format === "function") {
     er.message = er.format([{ source, text }]);
   }
@@ -149,6 +149,10 @@ function checkParserStarts(grammar, starts, modified, counts) {
         throw new Error(`Failed in library context: ${source}`);
       }
 
+      // @ts-expect-error This is for testing.
+      delete lib.peg$success;
+      // @ts-expect-error This is for testing.
+      delete lib.peg$throw;
       // @ts-expect-error This is for testing.
       delete lib.peg$maxFailExpected;
       if (peg$maxFailPos === undefined) {
@@ -171,6 +175,10 @@ function checkParserStarts(grammar, starts, modified, counts) {
           ...options,
         });
 
+        // @ts-expect-error This is for testing.
+        delete lib.peg$success;
+        // @ts-expect-error This is for testing.
+        delete lib.peg$throw;
         // @ts-expect-error This is for testing.
         delete lib.peg$maxFailExpected;
         if (peg$maxFailPos === undefined) {
@@ -415,11 +423,19 @@ export async function testPeggy(grammarUrl, starts, opts) {
         peg$endExpectation(),
         peg$otherExpectation('one'),
       ], "", loc);
-    peg$padEnd("foo", 2);
     const oldMax = peg$maxFailPos;
     peg$maxFailPos = Infinity;
     peg$fail();
     peg$maxFailPos = oldMax;
+
+    const {unicode} = RegExp.prototype;
+    delete RegExp.prototype.unicode;
+    const u_err = peg$buildStructuredError([
+        peg$otherExpectation('one'),
+        peg$anyExpectation(),
+      ], "\u{1F4A9}", loc);
+    RegExp.prototype.unicode = unicode
+    peg$getUnicode(Infinity);
   })();
   //#endregion
 

package.json

@@ -4,6 +4,9 @@
   "decription": "Generate better code coverage for Peggy grammars",
   "main": "lib/index.js",
   "type": "module",
+  "files": [
+    "lib/"
+  ],
   "keywords": [
     "peggy,",
     "pegjs,",
@@ -23,24 +26,24 @@
     "url": "https://github.com/peggyjs/coverage/issues"
   },
   "scripts": {
-    "build": "peggy --format es test/minimal.peggy && tsc",
+    "build": "peggy -c peggy.config.js && tsc",
     "docs": "typedoc",
     "lint": "eslint .",
     "test": "c8 node --test test/*.test.js"
   },
   "dependencies": {
-    "peggy": "4.2.0",
-    "source-map-generator": "0.8.0"
+    "peggy": "5.0.0",
+    "source-map": "0.7.4"
   },
   "devDependencies": {
-    "@peggyjs/eslint-config": "5.0.3",
-    "@types/node": "22.13.4",
+    "@peggyjs/eslint-config": "6.0.0",
+    "@types/node": "22.15.3",
     "c8": "10.1.3",
-    "eslint": "9.20.1",
-    "typedoc": "0.27.7",
-    "typescript": "5.7.3"
+    "eslint": "9.26.0",
+    "typedoc": "0.28.3",
+    "typescript": "5.8.3"
   },
-  "packageManager": "pnpm@10.4.0",
+  "packageManager": "pnpm@10.10.0",
   "engines": {
     "node": ">=18"
   }

peggy.config.js

@@ -0,0 +1,8 @@
+export default {
+  input: "test/minimal.peggy",
+  format: "es",
+  allowedStartRules: [
+    "foo",
+    "not_lib",
+  ],
+};