perf: add cross-engines benchmark

benchmark/cross-engines.js

@@ -0,0 +1,31 @@
+#!/usr/bin/env node
+
+const Benchmark = require('benchmark')
+const data = require('./data/todolist.json')
+const path = require('path')
+
+const engines = {
+  liquid: require('./engines/liquid'),
+  handlebars: require('./engines/handlebars'),
+  react: require('./engines/react'),
+  swig: require('./engines/swig')
+}
+
+function crossEngines () {
+  console.log('     cross engines')
+  console.log('------------------------')
+  return new Promise(resolve => {
+    const suit = new Benchmark.Suite('cross engines')
+
+    for (const [name, { load, render }] of Object.entries(engines)) {
+      const tpl = load(path.resolve(__dirname, `templates/todolist`))
+      suit.add(name, () => render(tpl, data))
+    }
+
+    suit.on('cycle', event => console.log(String(event.target)))
+    suit.on('complete', resolve)
+    suit.run({ async: true })
+  })
+}
+
+module.exports = { crossEngines }