统一构建多包发布

project/allProject.js

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+const fsExtra = require('fs-extra')
+const path = require('path')
+const chalk = require('chalk')
+const fs = require('fs')
+/**
+ * 将函数封装成promise
+ */
+const promisify = fn => {
+  return function () {
+    let args = arguments;
+    return new Promise(function (resolve, reject) {
+      [].push.call(args, function (err, result) {
+        if (err) {
+          console.log(err)
+          reject(err);
+        } else {
+          resolve(result);
+        }
+      });
+      fn.apply(null, args);
+    });
+  }
+}
+
+const readdir = promisify(fs.readdir)
+const stat = promisify(fs.stat)
+
+/**
+ * 封装打印工具
+ */
+const {log} = console
+const chalkTag = {
+  info: msg => log([chalk.bgBlue.black(' INFO '), msg].join(' ')),
+  done: msg => log([chalk.bgGreen.black(' DONE '), msg].join(' ')),
+  warn: msg => log([chalk.bgYellow.black(' WARN '), msg].join(' ')),
+  error: msg => log([chalk.bgRed.black(' ERROR '), msg].join(' ')),
+}
+
+/**
+ * 遍历应用的方法
+ */
+const findApp = (dir, cb) => {
+  return readdir(dir).then(apps => {
+    return Promise.all(apps.map(e => {
+      let cPath = path.join(dir, e)
+      return stat(cPath).then(state => {
+        if (state.isDirectory()) {
+          return findApp(cPath, cb)
+        } else if (state.isFile()) {
+          cb && cb(cPath)
+        }
+      })
+    }) || [])
+  })
+}
+/**
+ * 初始化打包配置文件
+ */
+const init = () => {
+  chalkTag.info('开始运行项目打包工具...')
+  return new Promise(resolve => fs.readdir('./project', (err, files) => {
+    resolve(files.filter(e => e.indexOf('.') < 0))
+  }))
+}
+/**
+ * 生成对应的main入口js文件
+ */
+const generateMain = project => {
+  let cores, apps
+  const getCores = new Promise(resolve => {
+    let install = path.join(__dirname, project, 'index.js')
+    fsExtra.ensureFile(install)
+    const coreLib = path.join(__dirname, project, 'core.import.json')
+    fsExtra.readJson(coreLib, (err, data) => {
+      chalkTag.info(project + "加载核心库配置..")
+      cores = []
+      if (data) {
+        findApp('core/apps', file => {
+          let fileName = file.replace(/.*\\(.+)\.vue/g, '$1')
+          if (Object.keys(data).includes(fileName)) {
+            cores.push({name: fileName, component: file.replace(/\\/g, "/")})
+          }
+        }).then(() => {
+          chalkTag.done(project + '核心库打包完毕')
+          resolve()
+        })
+      } else {
+        chalkTag.done(project + '核心库无打包')
+        resolve()
+      }
+    })
+  })
+  const getApps = new Promise(resolve => {
+    const appLib = path.join(__dirname, project.toString(), 'apps.import.json')
+    fsExtra.readJson(appLib, (err, data) => {
+      chalkTag.info(project + '加载业务应用配置...')
+      apps = []
+      let appDir = "packages"
+      if (data) {
+        findApp(appDir, file => {
+          let fileName = file.replace(/.*\\(.+)\.vue/g, '$1')
+          if (Object.keys(data).includes(fileName)) {
+            apps.push({name: fileName, component: file.replace(/\\/g, "/")})
+          }
+        }).then(() => {
+          chalkTag.done(project + '业务应用打包完毕')
+          resolve()
+        })
+      } else {
+        chalkTag.done(project + '业务应用无打包')
+        resolve()
+      }
+    })
+  })
+  return new Promise(resolve => {
+    Promise.all([getCores, getApps]).then(() => {
+      chalkTag.info(project + '正在生成打包文件...')
+      let bin = path.join(__dirname, project.toString(), 'index.js'),
+          coreApps = cores.map(e => `{name:'${e.name}',component:require('../../${e.component}').default}`),
+          bizApps = apps.map(e => `{name:'${e.name}',component:require('../../${e.component}').default}`),
+          comps = [...coreApps, ...bizApps],
+          content = `
+        const apps = [${comps.toString()}]
+        const install = function (Vue) {
+          if (install.installed) return Promise.resolve()
+          else{
+            let contexts = require.context('.', true, /(\\/.+)\\/App[^\\/]+\\.vue$/)
+            if (contexts) {
+              contexts.keys().map(e => {
+                if (contexts(e).default) {
+                  let mod = apps.find(a=>a.name==contexts(e).default.name)
+                  if(mod){
+                    mod.component = contexts(e).default
+                  }else{
+                    apps.push({name:contexts(e).default.name,component:contexts(e).default})
+                  }
+                }
+              })
+            }
+            apps.map(e=>{
+               Vue.component(e.name,e.component)
+            })
+          }
+        }
+       // 判断是否是直接引入文件
+        if (typeof window !== 'undefined' && window.Vue) {
+          install(window.Vue)
+        }
+        export default {
+            // 导出的对象必须具有 install，才能被 Vue.use() 方法安装
+            install
+         }
+        `
+      fsExtra.outputFile(bin, content, err => {
+        if (err) chalkTag.error(err)
+        else chalkTag.done(project + '生成打包文件')
+        resolve()
+      })
+    })
+  })
+
+}
+const start = () => {
+  //询问打包哪个项目
+  init().then(choices => {
+    return Promise.all(choices.map(prj => generateMain(prj))).then(() => {
+      chalkTag.done('完成生成打包文件')
+    })
+  })
+}
+start();