Merge branch 'gh-pages' of github.com:jviereck/regjsparser into gh-pages

Author: jviereck

package.json

@@ -15,9 +15,12 @@
   },
   "scripts": {
     "lint": "eslint --max-warnings 0 .",
-    "test": "run-p test:* && npm run lint",
+    "test": "run-p test:* lint",
     "test:src": "node test/index.js",
-    "test:types": "tsc test/types.ts --noEmit"
+    "test:types": "tsc test/types.ts --noEmit",
+    "bench:baseline": "node ./tools/bench/index.mjs baseline",
+    "bench:current": "node ./tools/bench/index.mjs current",
+    "bench": "run-s bench:*"
   },
   "files": [
     "bin/",
@@ -36,6 +39,8 @@
     "globals": "^15.9.0",
     "npm-run-all": "^4.1.5",
     "regenerate": "~1.0.1",
+    "regjsparser": "^0.11.2",
+    "tinybench": "^2.9.0",
     "typescript": "^4.5.2"
   }
 }

parser.js

@@ -0,0 +1,30 @@
+import { Bench } from "tinybench";
+
+import * as parserCurrent from "../../parser.js";
+import * as parserBaseline from "regjsparser";
+import { samples } from "./samples.mjs";
+
+const parseCurrent = parserCurrent.default.parse;
+const parseBaseline = parserBaseline.default.parse;
+
+const parse = process.argv[2] === "current" ? parseCurrent : parseBaseline;
+const bench = new Bench({ name: "benchmark between baseline and current", time: 500 });
+
+for (const [title, sample] of Object.entries(samples)) {
+  const regex = sample.slice(1, sample.lastIndexOf("/"));
+  const flags = sample.slice(sample.lastIndexOf("/"));
+
+  bench.add("parse " + process.argv[2] + " " + title, () => {
+    parse(regex, flags, {
+      modifiers: true,
+      unicodeSet: true,
+      unicodePropertyEscape: true,
+      namedGroups: true,
+      lookbehind: true,
+    });
+  });
+}
+
+await bench.run();
+
+console.table(bench.table());