chore: add todolist for benchmark case

benchmark/output.js

@@ -0,0 +1,28 @@
+const Benchmark = require('benchmark')
+const { Liquid } = require('..')
+
+const liquid = new Liquid()
+
+function output () {
+  console.log('--- output ---')
+  return new Promise(resolve => {
+    new Benchmark.Suite('output')
+      .add('literal', test('{{false}}{{"foo"}}{{32.322}}'))
+      .add('truncate', test('{{"foobar" | truncate: 3}}'))
+      .add('date', test('{{"now" | date: "%d%Y%m"}}'))
+      .add('escape', test('{{"1<2" | escape}}'))
+      .add('default', test('{{"" | default: 3}}'))
+      .on('cycle', (event) => console.log(String(event.target)))
+      .on('complete', resolve)
+      .run({ 'async': true })
+  })
+}
+
+function test (str) {
+  return {
+    defer: true,
+    fn: d => liquid.parseAndRender(str).then(x => d.resolve(x))
+  }
+}
+
+module.exports = { output }