add benchmark for my own use

benchmark.js

@@ -0,0 +1,26 @@
+import BenchTable from 'benchtable';
+import * as fs from 'fs';
+import ReactMarkdown from 'react-markdown';
+import SimpleMarkdown from 'simple-markdown';
+import MarkdownIt from 'markdown-it';
+import { compiler } from './';
+
+const mdIt = new MarkdownIt();
+const suite = new BenchTable();
+
+const fixture = fs.readFileSync('./fixture.md', 'utf8');
+
+// add tests
+suite
+  .addFunction('markdown-to-jsx', input => compiler(input))
+  .addFunction('react-markdown', input => new ReactMarkdown({ source: input }))
+  .addFunction('simple-markdown', input => SimpleMarkdown.defaultReactOutput(SimpleMarkdown.defaultBlockParse(input)))
+  .addFunction('markdown-it', input => mdIt.render(input))
+  .addInput('simple markdown string', ['_Hello_ **world**!'])
+  .addInput('large markdown string', [fixture])
+  .on('complete', function() {
+    console.log('Fastest is ' + suite.filter('fastest').map('name'));
+    console.log(suite.table.toString());
+  })
+  // run async
+  .run({ 'async': true });

package.json

@@ -39,14 +39,18 @@
     "babel-preset-minify": "^0.5.0",
     "babel-preset-react": "^6.11.1",
     "babel-preset-stage-2": "^6.13.0",
+    "benchtable": "^0.1.0",
     "codecov": "^3.1.0",
     "emotion": "^9.2.12",
     "eslint": "^5.7.0",
     "eslint-config-prettier": "^3.1.0",
     "eslint-plugin-react": "^7.11.1",
+    "esm": "^3.0.84",
     "in-publish": "^2.0.0",
     "jest": "^23.6.0",
     "jest-serializer-html": "^5.0.0",
+    "markdown-it": "^8.4.2",
+    "microtime": "^2.1.8",
     "mkdirp": "^0.5.1",
     "polished": "^1.3.0",
     "preact": "^8.3.1",
@@ -55,7 +59,9 @@
     "prettier": "^1.14.3",
     "react": "^15.6.1",
     "react-dom": "^15.6.1",
+    "react-markdown": "^4.0.3",
     "rimraf": "^2.6.2",
+    "simple-markdown": "^0.4.2",
     "size-limit": "^0.20.1",
     "uglify-js": "^3.4.9",
     "webpack": "^4.21.0",
@@ -78,7 +84,8 @@
     "release:debug": "webpack --config ./webpack.config.babel.js --display-optimization-bailout",
     "start": "webpack-dev-server --hot --inline --open",
     "test": "jest --verbose",
-    "size": "size-limit"
+    "size": "size-limit",
+    "benchmark": "node -r esm benchmark.js"
   },
   "size-limit": [
     {