issue-1146: Add flow types

Author: addisonssense

Diff for: flow/modules.flow.js

@@ -27,3 +27,7 @@ declare module 'cheerio' {
 declare module 'semver' {
   declare module.exports: any
 }
+
+declare module 'pretty' {
+  declare module.exports: any
+}

Diff for: flow/wrapper.flow.js

@@ -5,6 +5,7 @@ import type WrapperArray from '~src/WrapperArray'
 
 declare type Selector = any
 declare type Components = { [name: string]: Component }
+declare type HtmlOptions = { prettyPrint: boolean }
 
 declare interface BaseWrapper {
   // eslint-disable-line no-undef

Diff for: packages/test-utils/types/index.d.ts

@@ -39,13 +39,6 @@ type NameSelector = {
   name: string
 }
 
-/**
- * Options when printing html components as strings
- */
-export class HtmlOptions {
-  prettyPrint: boolean
-}
-
 /**
  * Base class of Wrapper and WrapperArray
  * It has common methods on both Wrapper and WrapperArray