update benchmark to test against react-bootstrap

Author: danez

benchmark/.gitignore

@@ -1,3 +1,4 @@
+suites/
 yarn-error.log
 .pnp.*
 .yarn/*

benchmark/__fixtures__/CircularProgress.js

@@ -1,20 +1,30 @@
 import fs from 'fs';
-import path, { dirname } from 'path';
+import path, { dirname, join } from 'path';
 import { fileURLToPath } from 'url';
 import Table from 'cli-table';
+import glob from 'fast-glob';
 import Benchmark from 'benchmark';
 import { parse } from '../packages/react-docgen/dist/main.js';
-import { parse as parse4 } from 'react-docgen4';
 import { parse as parse5 } from 'react-docgen5';
 import { parse as parse6old } from 'react-docgen6pre';
 
 console.log(`Node: ${process.version}`);
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
-const head = ['fixture', 'v4.1.1', 'v5.4.3', 'v6.0.0-alpha.3', 'current'];
+const head = ['fixture', 'v5.4.3', 'v6.0.0-alpha.3', 'current'];
 
-const files = ['./__fixtures__/CircularProgress.js'];
+process.stdout.write(`Preparing suites ... `);
+
+const suites = [
+  {
+    name: 'react-bootstrap',
+    files: await glob('./suites/react-bootstrap/src/*.tsx', {
+      absolute: false,
+      cwd: __dirname,
+    }),
+  },
+];
 
 const table = new Table({
   head,
@@ -31,29 +41,45 @@ if (!global.gc) {
   process.exit();
 }
 
-files.forEach(file => {
-  const code = fs.readFileSync(path.join(__dirname, file), 'utf-8');
-  const suite = new Benchmark.Suite(file.replace(/\.\/__fixtures__\//, ''));
-  const options = { filename: file, babelrc: false, configFile: false };
-  const newOptions = { babelOptions: options };
-
-  // warmup
-  parse(code, newOptions);
-  parse6old(code, undefined, undefined, options);
-  parse5(code, undefined, undefined, options);
-  parse4(code, undefined, undefined, options);
-  global.gc();
-  suite.add('v4.1.1', () => {
-    parse4(code, undefined, undefined, options);
+const preparedSuites = [];
+const suite = new Benchmark.Suite('bootstrap');
+
+suites.forEach(({ name, files }) => {
+  const suite = new Benchmark.Suite(name);
+  files.forEach(file => {
+    const code = fs.readFileSync(path.join(__dirname, file), 'utf-8');
+    const options = { filename: file, babelrc: false, configFile: false };
+    const newOptions = { babelOptions: options };
+
+    try {
+      // warmup
+      parse(code, newOptions);
+      parse6old(code, undefined, undefined, options);
+      parse5(code, undefined, undefined, options);
+      global.gc();
+
+      preparedSuites.push({
+        code,
+        options,
+        newOptions,
+      });
+    } catch {}
   });
+
   suite.add('v5.4.3', () => {
-    parse5(code, undefined, undefined, options);
+    for (const { code, options } of preparedSuites) {
+      parse5(code, undefined, undefined, options);
+    }
   });
   suite.add('v6.0.0-alpha.3', () => {
-    parse6old(code, undefined, undefined, options);
+    for (const { code, options } of preparedSuites) {
+      parse6old(code, undefined, undefined, options);
+    }
   });
   suite.add('current', () => {
-    parse(code, newOptions);
+    for (const { code, newOptions } of preparedSuites) {
+      parse(code, newOptions);
+    }
   });
   const result = [suite.name];
 
@@ -76,11 +102,12 @@ files.forEach(file => {
     );
   });
 
-  process.stdout.write(`Running benchmark for ${suite.name} ... `);
+  process.stdout.write(`Done\nRunning benchmark for ${suite.name} ... `);
   global.gc();
   suite.run({ async: false });
   global.gc(); // gc is disabled so ensure we run it
   table.push(result);
 });
+
 global.gc(); // gc is disabled so ensure we run it
 console.log(table.toString());

benchmark/index.mjs

@@ -4,15 +4,16 @@
   "private": true,
   "description": "Generate benchmarks for react-docgen",
   "scripts": {
+    "setup": "rm -rf ./suites/react-bootstrap/ && git clone --depth=1 --branch=v2.7.0 https://github.com/react-bootstrap/react-bootstrap.git ./suites/react-bootstrap/",
     "start": "node --expose-gc ./index.mjs",
     "debug": "node --inspect-brk --expose-gc ./index.mjs"
   },
   "license": "MIT",
   "dependencies": {
     "benchmark": "2.1.4",
     "cli-table": "0.3.11",
+    "fast-glob": "^3.2.12",
     "microtime": "3.1.1",
-    "react-docgen4": "npm:[email protected]",
     "react-docgen5": "npm:[email protected]",
     "react-docgen6pre": "npm:react-docgen@^6.0.0-alpha"
   }