add some more flow types

src/parser/comments.js

@@ -118,7 +118,7 @@ pp.processComment = function (node) {
       // result in an empty array, and if so, the array must be
       // deleted.
       node.leadingComments = this.state.leadingComments.slice(0, i);
-      if (node.leadingComments.length === 0) {
+      if ((node.leadingComments: Array<any>).length === 0) {
         node.leadingComments = null;
       }
 

src/parser/index.js

@@ -1,4 +1,4 @@
-/* @noflow */
+/* @flow */
 
 import { reservedWords } from "../util/identifier";
 import { getOptions } from "../options";
@@ -7,7 +7,7 @@ import Tokenizer from "../tokenizer";
 export const plugins = {};
 
 export default class Parser extends Tokenizer {
-  constructor(options, input: string) {
+  constructor(options: Object, input: string) {
     options = getOptions(options);
     super(options, input);
 
@@ -31,7 +31,7 @@ export default class Parser extends Tokenizer {
     this[name] = f(this[name]);
   }
 
-  loadPlugins(plugins: Array<string>) {
+  loadPlugins(plugins: Array<string>): Object {
     let pluginMap = {};
 
     if (plugins.indexOf("flow") >= 0) {

src/tokenizer/context.js

@@ -26,7 +26,9 @@ export class TokContext {
   override: ?Function;
 }
 
-export const types = {
+export const types: {
+  [key: string]: TokContext;
+} = {
   b_stat: new TokContext("{", false),
   b_expr: new TokContext("{", true),
   b_tmpl: new TokContext("${", true),

src/tokenizer/index.js

@@ -1,3 +1,5 @@
+/* @noflow */
+
 import type { TokenType } from "./types";
 import { isIdentifierStart, isIdentifierChar, isKeyword } from "../util/identifier";
 import { types as tt, keywords as keywordTypes } from "./types";