From 77df35f7b95ac42467a228e1e6a49be25d54628e Mon Sep 17 00:00:00 2001
From: renjiazheng <renjiazheng@lizhi.fm>
Date: Mon, 27 Apr 2020 21:23:20 +0800
Subject: [PATCH] doc: add doc

---
 README.md    |  8 +++++++-
 src/index.ts | 34 +++++++++++++++++++---------------
 2 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/README.md b/README.md
index ed02cab..9cc8c22 100644
--- a/README.md
+++ b/README.md
@@ -91,4 +91,10 @@ http.use(async (ctx: any, next: any) => {
 - instance.put
 - instance.delete
 - instance.head
-- instance.use: add middleware
+- instance.use
+  - add middleware
+  - ctx
+    - req
+    - request
+    - res
+    - response
diff --git a/src/index.ts b/src/index.ts
index e06488d..47aeb9a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -6,7 +6,7 @@ interface RufetchOption {
 	baseURL?: string,
 	timeout?: number,
 	// like get...
-	params?: RequestInit['body'], 
+	params?: RequestInit['body'],
 	// like post
 	data?: RequestInit['body'],
 	// arrayBuffer, blob, json, text, formData, stream..., default json
@@ -36,8 +36,8 @@ export default class Rufetch {
 	private options: RufetchOption = {}
 	private middlewares: Function[] = []
 
-	constructor(options: RufetchOption) {
-		this.options = options
+	constructor(options?: RufetchOption) {
+		this.options = options || {}
 	}
 
 	use = (middleware: any) => {
@@ -45,8 +45,8 @@ export default class Rufetch {
 		return this
 	}
 
-	preRequest = (method: string) => {
-		return ( url: string, rufetch?: RufetchOption) => {
+	preRequest = (httpMethod: string) => {
+		return (url: string, rufetch?: RufetchOption) => {
 			const {
 				baseURL: defaultBaseURL,
 				timeout: defaultTimeout,
@@ -67,10 +67,10 @@ export default class Rufetch {
 				referrerPolicy: defaultReferrerPolicy,
 				signal: defaultSignal,
 				window: defaultWindow,
-				...defaultRest 
+				...defaultRest
 			} = this.options
 
-			const { 
+			const {
 				baseURL,
 				timeout,
 				params,
@@ -90,9 +90,9 @@ export default class Rufetch {
 				referrerPolicy,
 				signal,
 				window,
-				...restOptions 
+				...restOptions
 			} = rufetch || {}
-			
+
 			const defaultRequestInit: RequestInit = {
 				body: defaultBody,
 				cache: defaultCache,
@@ -123,7 +123,7 @@ export default class Rufetch {
 				signal,
 				window,
 			}
-			requestInit.method = method
+			requestInit.method = httpMethod
 
 			const middlewares = [
 				...this.middlewares,
@@ -135,14 +135,19 @@ export default class Rufetch {
 			const rurl = url.indexOf(defaultBaseURL || '') > -1 ? url : defaultBaseURL + url
 			const reqInit = Object.assign({}, defaultRequestInit, requestInit)
 			const rbody = Object.assign({}, data, body)
-			
+
 			reqInit.body = rbody ? rbody : defaultBody
 			reqInit.headers = Object.assign({}, defaultHeaders, headers)
 
+			if (['get', 'head'].indexOf(httpMethod.toLowerCase()) > -1) {
+				reqInit.body = null
+			}
+
 			ctx.req = {
 				url: rurl,
-				method,
-				timeout: timeout ? timeout : (defaultTimeout || 3000),
+				method: httpMethod,
+				cacheOptions,
+				timeout: timeout ? timeout : (defaultTimeout || 15000),
 				params: params ? params : defaultParams,
 				requestInit: reqInit,
 				...Object.assign({}, defaultRest, restOptions),
@@ -166,5 +171,4 @@ export default class Rufetch {
 	put = this.preRequest('put')
 	delete = this.preRequest('delete')
 	head = this.preRequest('head')
-}
-
+}
\ No newline at end of file