perf: introduce AST to avoid reparse

test/unit/render/render.ts

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { Context } from '../../../src/context/context'
-import { Token } from '../../../src/parser/token'
+import { HTMLToken } from '../../../src/tokens/html-token'
 import { Render } from '../../../src/render/render'
 import { HTML } from '../../../src/template/html'
 import { toThenable } from '../../../src/util/async'
@@ -14,7 +14,7 @@ describe('render', function () {
   describe('.renderTemplates()', function () {
     it('should render html', async function () {
       const scope = new Context()
-      const token = { content: '<p>' } as Token
+      const token = { getContent: () => '<p>' } as HTMLToken
       const html = await toThenable(render.renderTemplates([new HTML(token)], scope))
       return expect(html).to.equal('<p>')
     })