增加HMR支持

.vscode/launch.json

@@ -10,19 +10,14 @@
       "type": "extensionHost",
       "request": "launch",
       "runtimeExecutable": "${execPath}",
-			"args": [
+      "args": ["--extensionDevelopmentPath=${workspaceFolder}"]
-				"--extensionDevelopmentPath=${workspaceFolder}"
-			]
     },
     {
       "name": "Extension Tests",
       "type": "extensionHost",
       "request": "launch",
       "runtimeExecutable": "${execPath}",
-			"args": [
+      "args": ["--extensionTestsPath=${workspaceFolder}"]
-				"--extensionDevelopmentPath=${workspaceFolder}",
-				"--extensionTestsPath=${workspaceFolder}/test/suite/index"
-			]
     }
   ]
 }

.vscodeignore

@@ -1,10 +1,7 @@
 .vscode/**
-.vscode-test/**
 node_modules/**
-test/**
+test/*
 package-lock.json
-.travis.yml
 .gitignore
 index.js
-test.js
 

README.md

@@ -10,6 +10,14 @@
 > 这插件只是因为`Live Server插件`有bug,应一个基友需求临时写的。如果你有其他的功能需求, 请在插件商店中`搜索其他插件`。
 
 
+## 插件特色
+- 支持指定子目录为根目录
+- 支持前端`history`路由
+- 自动指定端口(端口不可用时自动寻找其他可用端口)
+- 支持注入`headers`,满足某些测试场景下的测试需求
+- 支持简单的热更新
+
+
 ## 插件使用
 > 在项目根目录中放置 `.httpserver`文件, 并配置好之后, 重启或重新加载窗口, 以启动服务。
 

index.js

@@ -9,6 +9,7 @@ const { join } = require('path')
 const { parse } = require('url')
 const http = require('http')
 const fs = require('iofs')
+const { WebSocketServer } = require('ws')
 
 const std = vsc.window.createOutputChannel('http.server')
 const decode = decodeURIComponent
@@ -56,9 +57,60 @@ let root
 let enabled = false
 let port = 23333
 let baseUrl = 'http://127.0.0.1:' + port
+let ws = null
 
 std.out = function (...args) {
   std.appendLine('[simple.http]: ' + args.join(' '))
+  // console.log('[simple.http]: ' + args.join(' '))
+}
+
+const HMR_SCRIPT = `
+<script>
+!(function http_hmr(){
+  var ws = new WebSocket(\`ws://\${location.host}/ws-http-hmr\`)
+  ws.addEventListener('open', function (r) {
+    if(http_hmr.closed){
+      delete http_hmr.closed
+      location.reload()
+    }
+    console.log('http.server hmr ready...')
+  })
+  ws.addEventListener('close', function(){
+    http_hmr.closed = true
+    setTimeout(http_hmr, 2000)
+  })
+  
+  ws.addEventListener('message', function (ev) {
+    location.reload()
+  })
+})()
+</script>
+`
+
+class WebSocket {
+  #ws = null // ws实例
+  #queue = [] // 消息队列
+
+  constructor(server) {
+    if (server.listening) {
+      let conn = new WebSocketServer({ server, path: '/ws-http-hmr' })
+      conn.on('connection', ws => {
+        this.#ws = ws
+        if (this.#queue.length) {
+          this.#queue = []
+          this.send()
+        }
+      })
+    }
+  }
+
+  send(msg = {}) {
+    if (this.#ws) {
+      this.#ws.send(JSON.stringify(msg))
+    } else {
+      this.#queue.push(msg)
+    }
+  }
 }
 
 function createServer() {
@@ -68,7 +120,7 @@ function createServer() {
     return
   }
   std.out(`尝试使用${port}端口...`)
-  http
+  const server = http
     .createServer(function (req, res) {
       let pathname = parse(req.url).pathname.slice(1)
       let paths = pathname.split('/')
@@ -82,6 +134,7 @@ function createServer() {
       let file = join(root, pathname)
       let stat = fs.stat(file)
       let ext = pathname.split('.').pop()
+      let code
 
       for (let k in COMMON_HEADERS) {
         res.setHeader(k, COMMON_HEADERS[k])
@@ -90,18 +143,40 @@ function createServer() {
       if (stat.isFile()) {
         res.setHeader('accept-ranges', 'bytes')
         res.setHeader('content-type', MIME_TYPES[ext] || MIME_TYPES.other)
+
+        if (ext === 'html') {
+          code = fs
+            .cat(file)
+            .toString()
+            .replace('</head>', HMR_SCRIPT + '</head>')
+
+          res.setHeader('content-length', code.length)
+        } else {
           res.setHeader('content-length', stat.size)
+        }
+
         res.writeHead(200, 'OK')
+
+        if (ext === 'html') {
+          res.end(code)
+        } else {
           fs.origin.createReadStream(file).pipe(res)
+        }
       } else {
         if (paths.length > 1 && paths[0].endsWith('.html')) {
           let rootFile = join(root, paths[0])
           if (fs.isfile(rootFile)) {
+            code = fs
+              .cat(rootFile)
+              .toString()
+              .replace('</head>', HMR_SCRIPT + '</head>')
+
             res.setHeader('accept-ranges', 'bytes')
             res.setHeader('content-type', MIME_TYPES.html)
-            res.setHeader('content-length', fs.stat(rootFile).size)
+            res.setHeader('content-length', code.length)
             res.writeHead(200, 'OK')
-            fs.origin.createReadStream(rootFile).pipe(res)
+
+            res.end(code)
             return
           }
         }
@@ -117,8 +192,10 @@ function createServer() {
       port++
       createServer()
     })
-    .on('listening', _ => {
+
+  server.on('listening', _ => {
     baseUrl = 'http://127.0.0.1:' + port
+    ws = new WebSocket(server)
     std.out('启动成功, 请访问', baseUrl)
   })
 }
@@ -166,6 +243,15 @@ function deactivate() {}
 exports.activate = function (ctx) {
   __init__()
 
+  vsc.workspace.onDidSaveTextDocument(doc => {
+    if (enabled) {
+      let file = doc.fileName
+      if (file.startsWith(root)) {
+        ws.send()
+      }
+    }
+  })
+
   let cmd = vsc.commands.registerCommand('HttpServer.open', _ => {
     if (enabled) {
       let editor = vsc.window.activeTextEditor

package.json

@@ -2,7 +2,7 @@
   "name": "simple-http",
   "displayName": "simple http",
   "description": "🔥 简单的http服务器, 方便临时调试html",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "publisher": "yutent",
   "author": "Yutent [@yutent]",
   "icon": "logo.png",
@@ -44,8 +44,9 @@
     "yutent"
   ],
   "scripts": {
-    "start": "esbuild index.js --bundle --outfile=out.js --external:vscode --format=cjs --platform=node",
+    "bundle": "esbuild index.js --bundle --outfile=out.js --external:vscode --format=cjs --platform=node",
-    "pack": "npm start -- --minify"
+    "start": "npm run bundle -- --watch",
+    "pack": "npm run bundle -- --minify"
   },
   "license": "MIT",
   "dependencies": {},

test/.httpserver

@@ -0,0 +1,3 @@
+{
+  "enabled": true
+}

test/index.html

@@ -0,0 +1,16 @@
+<!doctype html>
+<html lang="zh-CN">
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+  <title></title>
+  <meta name="keywords" content="">
+  <meta name="description" content="">
+  <link href="" rel="stylesheet">
+</head>
+<body>
+  sdsdsdsdsssdsdsd
+  dsdsd
+</body>
+</html>