多线程编译

lib/compile-vue.js

@@ -317,8 +317,9 @@ export function compileVue(file, imports, options = {}) {
       isCustomElement
     }).code.replace('export function render', 'function render')
   } catch (err) {
+    // console.log(err)
     let tmp = html[1].split('\n')
-    let line = tmp[err.loc.start.line - 1]
+    let line = tmp[err.loc?.start.line - 1]
 
     console.log('%s: %s', red('SyntaxError'), red(err.message))
     console.log(

lib/compile.js

@@ -0,0 +1,92 @@
+/**
+ * {}
+ * @author yutent<yutent.io@gmail.com>
+ * @date 2023/06/14 18:36:15
+ */
+
+import { join, dirname, parse, normalize } from 'node:path'
+import fs from 'iofs'
+import Es from 'esbuild'
+import { compileScss, parseJs, compileVue, parseHtml } from './compile-vue.js'
+
+const template = fs.cat(join(process.cwd(), 'index.html')).toString()
+
+export function compileFiles(
+  currentPage,
+  page,
+  files,
+  options,
+  { verbose, imports, dist } = {}
+) {
+  options.currentPage = currentPage
+
+  console.log('正在生成 %s ...', `${currentPage}.html`)
+
+  for (let [k, it] of files) {
+    // let it = files[k]
+    // 入口文件, 特殊处理
+    if (page && it.path === page.entry) {
+      let entry = fs.cat(page.entry).toString()
+
+      entry = parseJs(entry, imports, { ...options, IS_ENTRY: true })
+
+      let code = parseHtml(template, {
+        page,
+        imports,
+        entry,
+        LEGACY_MODE: options.LEGACY_MODE
+      })
+
+      fs.echo(code, join(dist, `${currentPage}.html`))
+      continue
+    }
+
+    verbose && console.log('  解析 %s ...', it.name)
+
+    let pageDir = options.IS_MPA && currentPage ? `pages/${currentPage}` : ''
+
+    switch (it.ext) {
+      case '.vue':
+        {
+          let code = compileVue(it.path, imports, options)
+
+          Es.transform(code, { minify: true }).then(r => {
+            fs.echo(
+              r.code,
+              join(dist, 'assets/', pageDir, it.name.replace(/\.vue$/, '.js'))
+            )
+          })
+        }
+        break
+
+      case '.js':
+        {
+          let code = fs.cat(it.path)
+
+          code = parseJs(code + '', imports, options)
+
+          Es.transform(code, { minify: true }).then(r => {
+            fs.echo(r.code, join(dist, 'assets/', pageDir, it.name))
+          })
+        }
+        break
+
+      case '.scss':
+      case '.css':
+        {
+          let target = join(dist, 'assets/', it.name.replace(/\.scss$/, '.css'))
+          if (it.ext === '.css') {
+            fs.cp(it.path, target)
+          } else {
+            let code = compileScss(it.path)
+            fs.echo(code, target)
+          }
+        }
+        break
+
+      default:
+        fs.cp(it.path, join(dist, it.name))
+        break
+    }
+  }
+}

lib/prod.js

@@ -1,11 +1,16 @@
-import { join, dirname, parse } from 'node:path'
+import { join, dirname, parse, normalize } from 'node:path'
+import { Worker } from 'node:worker_threads'
+import os from 'node:os'
 import fs from 'iofs'
-import Es from 'esbuild'
-import { compileScss, parseJs, compileVue, parseHtml } from './compile-vue.js'
+// import Es from 'esbuild'
+// import { compileScss, parseJs, compileVue, parseHtml } from './compile-vue.js'
 import { isCustomElement } from './utils.js'
+import { compileFiles } from './compile.js'
 
 const IS_WIN = process.platform === 'win32'
 const PREFIX = IS_WIN ? 'pages\\' : 'pages/'
+const THREADS_NUM = os.cpus().length
+const __dirname = normalize(dirname(import.meta.url.slice(IS_WIN ? 8 : 7)))
 
 function readFile(file) {
   return (file && fs.cat(file)?.toString()) || ''
@@ -16,8 +21,9 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
   const SOURCE_DIR = join(root, 'src')
   const PUBLIC_DIR = join(root, 'public')
   const DEPLOY_PATH = conf.base || '' // 部署目录, 默认是根目录部署
-  const IS_MPA = Object.keys(conf.pages).length > 1
-  const PAGES_PREFIX = Object.keys(conf.pages).map(it =>
+  const PAGES_KEYS = Object.keys(conf.pages)
+  const IS_MPA = PAGES_KEYS.length > 1
+  const PAGES_PREFIX = PAGES_KEYS.map(it =>
     IS_WIN ? `${PREFIX + it}\\` : `${PREFIX + it}/`
   )
   const INJECT_SCSS = readFile(conf.inject?.scss)
@@ -27,7 +33,17 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
 
   let timeStart = Date.now()
   let template = fs.cat(join(process.cwd(), 'index.html')).toString()
-  let list = {}
+  let list = new Map()
+  let options = {
+    IS_MPA,
+    SOURCE_DIR,
+    DEPLOY_PATH,
+    INJECT_SCSS,
+    LEGACY_MODE,
+    // 线程通讯无法传递函数类型, 需要转为字符串, 之后再转回来
+    // isCustomElement: conf.isCustomElement || isCustomElement
+    isCustomElement: (conf.isCustomElement || isCustomElement).toString()
+  }
 
   fs.ls(SOURCE_DIR, true).forEach(path => {
     if (fs.isdir(path)) {
@@ -43,7 +59,7 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
     if (it.ext !== '') {
       if (IS_MPA && it.name.startsWith(PREFIX)) {
         if (PAGES_PREFIX.some(it => it.startsWith(it.name))) {
-          return (list[path] = it)
+          return list.set(path, it)
         } else {
           return
         }
@@ -53,94 +69,10 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
         return
       }
 
-      list[path] = it
+      list.set(path, it)
     }
   })
 
-  let compileFiles = function (currentPage, page, files) {
-    let options = {
-      IS_MPA,
-      currentPage,
-      SOURCE_DIR,
-      DEPLOY_PATH,
-      INJECT_SCSS,
-      LEGACY_MODE,
-      isCustomElement: conf.isCustomElement || isCustomElement
-    }
-
-    for (let k in files) {
-      let it = files[k]
-      // 入口文件, 特殊处理
-      if (page && it.path === page.entry) {
-        let entry = fs.cat(page.entry).toString()
-
-        entry = parseJs(entry, conf.imports, { ...options, IS_ENTRY: true })
-
-        let code = parseHtml(template, {
-          page,
-          imports: conf.imports,
-          entry,
-          LEGACY_MODE
-        })
-
-        fs.echo(code, join(dist, `${currentPage}.html`))
-        continue
-      }
-
-      verbose && console.log('  解析 %s ...', it.name)
-
-      let pageDir = IS_MPA && currentPage ? `pages/${currentPage}` : ''
-
-      switch (it.ext) {
-        case '.vue':
-          {
-            let code = compileVue(it.path, conf.imports, options)
-
-            Es.transform(code, { minify: true }).then(r => {
-              fs.echo(
-                r.code,
-                join(dist, 'assets/', pageDir, it.name.replace(/\.vue$/, '.js'))
-              )
-            })
-          }
-          break
-
-        case '.js':
-          {
-            let code = fs.cat(it.path)
-
-            code = parseJs(code + '', conf.imports, options)
-
-            Es.transform(code, { minify: true }).then(r => {
-              fs.echo(r.code, join(dist, 'assets/', pageDir, it.name))
-            })
-          }
-          break
-
-        case '.scss':
-        case '.css':
-          {
-            let target = join(
-              dist,
-              'assets/',
-              it.name.replace(/\.scss$/, '.css')
-            )
-            if (it.ext === '.css') {
-              fs.cp(it.path, target)
-            } else {
-              let code = compileScss(it.path)
-              fs.echo(code, target)
-            }
-          }
-          break
-
-        default:
-          fs.cp(it.path, join(dist, it.name))
-          break
-      }
-    }
-  }
-
   // 优先处理静态目录, 之后的源码目录中, 以便如果有产生相同的文件名, 则覆盖静态目录中的文件
   if (fs.isdir(PUBLIC_DIR)) {
     console.log('\n正在处理静态资源 ...')
@@ -160,12 +92,22 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
   }
   console.log('')
 
-  for (let currentPage in conf.pages) {
+  if (IS_MPA) {
+    // 电脑线程数比页面数量还多时, 取小
+    let num = Math.min(PAGES_KEYS.length, THREADS_NUM)
+    let chunkSize = Math.ceil(PAGES_KEYS.length / num)
+
+    for (let i = 0; i < num; i++) {
+      let start = i * chunkSize
+      let end = start + chunkSize
+      let pages = PAGES_KEYS.slice(start, end)
+      let chunk = new Map()
+
+      for (let currentPage of pages) {
         let page = conf.pages[currentPage]
         let dir = dirname(page.entry)
-    let files = list
-    if (IS_MPA) {
-      files = {}
+        let files = new Map()
+
         fs.ls(dir, true).forEach(path => {
           if (fs.isdir(path)) {
             return
@@ -178,17 +120,61 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
             return
           }
 
-        delete list[path]
-        files[path] = { name, path, ext }
+          list.delete(path)
+          files.set(path, { name, path, ext })
+        })
+
+        chunk.set(currentPage, { page, files })
+      }
+      new Worker(join(__dirname, './thread.js'), {
+        workerData: {
+          options,
+          data: {
+            chunk,
+            verbose,
+            dist,
+            imports: conf.imports
+          }
+        }
+      })
+      // compileFiles(currentPage, page, chunk, options, {
+      //   verbose,
+      //   dist,
+      //   imports: conf.imports
+      // })
+    }
+  } else {
+    // 每个线程处理的文件数
+    let chunkSize = Math.ceil(list.size / THREADS_NUM)
+    let currentPage = PAGES_KEYS[0]
+    let page = conf.pages[currentPage]
+
+    list = [...list]
+
+    for (let i = 0; i < THREADS_NUM; i++) {
+      let start = i * chunkSize
+      let end = start + chunkSize
+      let chunk = [list.slice(start, end)]
+
+      new Worker(join(__dirname, './thread.js'), {
+        workerData: {
+          options,
+          data: {
+            currentPage,
+            page,
+            chunk,
+            verbose,
+            dist,
+            imports: conf.imports
+          }
+        }
       })
     }
-    console.log('正在生成 %s ...', `${currentPage}.html`)
-    compileFiles(currentPage, page, files)
   }
 
   if (IS_MPA) {
     console.log('\n正在解析公共依赖 ...')
-    compileFiles('', null, list)
+    // compileFiles('', null, list)
   }
 
   process.on('exit', _ => {

lib/thread.js

@@ -0,0 +1,24 @@
+/**
+ * 子线程
+ * @author yutent<yutent.io@gmail.com>
+ * @date 2023/06/14 16:15:39
+ */
+import { workerData } from 'node:worker_threads'
+import { compileFiles } from './compile.js'
+
+const { options, data } = workerData
+
+options.isCustomElement = Function('return ' + options.isCustomElement)()
+
+// console.log(options)
+
+let chunk = data.chunk
+
+delete data.chunk
+
+chunk.forEach(([a, b]) => {
+  console.log(a, b)
+})
+// for (let [currentPage, { page, files }] of chunk.entries()) {
+//   compileFiles(currentPage, page, files, options, { ...data })
+// }