chore(TypeScript): fix linting and generate .d.ts

src/template/output.ts

@@ -3,14 +3,15 @@ import { stringify } from 'src/util/underscore'
 import Template from 'src/template/template'
 import ITemplate from 'src/template/itemplate'
 import Scope from 'src/scope/scope'
+import OutputToken from 'src/parser/output-token'
 
 export default class Output extends Template implements ITemplate {
   value: Value
-  constructor(token, strict_filters?) {
+  constructor (token: OutputToken, strictFilters?: boolean) {
     super(token)
-    this.value = new Value(token.value, strict_filters)
+    this.value = new Value(token.value, strictFilters)
   }
-  async render(scope: Scope) {
+  async render (scope: Scope): Promise<string> {
     const html = await this.value.value(scope)
     return stringify(html)
   }