feat($cli): '--silent' option

packages/@vuepress/cli/index.js

@@ -30,7 +30,7 @@ exports.bootstrap = function ({
   plugins,
   theme
 } = {}) {
-  const { path } = require('@vuepress/shared-utils')
+  const { path, logger, env } = require('@vuepress/shared-utils')
   const { dev, build, eject } = require('@vuepress/core')
 
   program
@@ -46,21 +46,56 @@ exports.bootstrap = function ({
     .option('-c, --cache <cache>', 'set the directory of cache')
     .option('--no-cache', 'clean the cache before build')
     .option('--debug', 'start development server in debug mode')
-    .action((dir = '.', { host, port, debug, temp, cache }) => {
-      wrapCommand(dev)(path.resolve(dir), { host, port, debug, temp, cache, plugins, theme })
+    .option('--silent', 'start development server in silent mode')
+    .action((sourceDir = '.', {
+      host,
+      port,
+      debug,
+      temp,
+      cache,
+      silent
+    }) => {
+      logger.setOptions({ logLevel: silent ? 1 : debug ? 4 : 3 })
+      env.setOptions({ isDebug: debug, isTest: process.env.NODE_ENV === 'test' })
+
+      wrapCommand(dev)(path.resolve(sourceDir), {
+        host,
+        port,
+        temp,
+        cache,
+        plugins,
+        theme
+      })
     })
 
   program
     .command('build [targetDir]')
     .description('build dir as static site')
-    .option('-d, --dest <outDir>', 'specify build output dir (default: .vuepress/dist)')
+    .option('-d, --dest <dest>', 'specify build output dir (default: .vuepress/dist)')
     .option('-t, --temp <temp>', 'set the directory of the temporary file')
     .option('-c, --cache <cache>', 'set the directory of cache')
     .option('--no-cache', 'clean the cache before build')
     .option('--debug', 'build in development mode for debugging')
-    .action((dir = '.', { debug, dest, temp, cache }) => {
-      const outDir = dest ? path.resolve(dest) : null
-      wrapCommand(build)(path.resolve(dir), { debug, outDir, plugins, theme, temp, cache })
+    .option('--silent', 'build static site in silent mode')
+    .action((sourceDir, {
+      debug,
+      dest,
+      temp,
+      cache,
+      silent
+    }) => {
+      logger.setOptions({ logLevel: silent ? 1 : debug ? 4 : 3 })
+      env.setOptions({ isDebug: debug, isTest: process.env.NODE_ENV === 'test' })
+
+      wrapCommand(build)(path.resolve(sourceDir), {
+        debug,
+        dest,
+        plugins,
+        theme,
+        temp,
+        cache,
+        silent
+      })
     })
 
   program

packages/@vuepress/core/lib/build.js

@@ -8,7 +8,7 @@ module.exports = async function build (sourceDir, cliOptions = {}) {
   const readline = require('readline')
   const escape = require('escape-html')
 
-  const { chalk, fs, logger } = require('@vuepress/shared-utils')
+  const { chalk, fs, logger, env } = require('@vuepress/shared-utils')
   const prepare = require('./prepare/index')
   const createClientConfig = require('./webpack/createClientConfig')
   const createServerConfig = require('./webpack/createServerConfig')
@@ -99,7 +99,7 @@ module.exports = async function build (sourceDir, cliOptions = {}) {
           reject(new Error(`Failed to compile with errors.`))
           return
         }
-        if (cliOptions.debug && stats.hasWarnings()) {
+        if (env.isDebug && stats.hasWarnings()) {
           stats.toJson().warnings.forEach(warning => {
             console.warn(warning)
           })

packages/@vuepress/core/lib/dev.js

@@ -80,12 +80,12 @@ module.exports = async function dev (sourceDir, cliOptions = {}) {
   const { host, displayHost } = await resolveHost(cliOptions.host || ctx.siteConfig.host)
 
   config
-  .plugin('vuepress-log')
-  .use(DevLogPlugin, [{
-    port,
-    displayHost,
-    publicPath: ctx.base
-  }])
+    .plugin('vuepress-log')
+    .use(DevLogPlugin, [{
+      port,
+      displayHost,
+      publicPath: ctx.base
+    }])
 
   config = config.toConfig()
   const userConfig = ctx.siteConfig.configureWebpack

packages/@vuepress/core/lib/plugin-api/index.js

@@ -10,7 +10,7 @@ const { PLUGIN_OPTION_MAP } = require('./constants')
 const {
   moduleResolver: { getPluginResolver },
   datatypes: { assertTypes, isPlainObject },
-  env: { isDebug },
+  env: { debug },
   logger, chalk
 } = require('@vuepress/shared-utils')
 
@@ -98,8 +98,7 @@ module.exports = class PluginAPI {
     this._pluginQueue.push(plugin)
 
     if (plugin.plugins) {
-      logger.debug(`Start to use plugins defined at ${chalk.gray(plugin.name)}`)
-      logger.debug(JSON.stringify(plugin.plugins, null, 2))
+      logger.debug(`Plugins defined at ${chalk.gray(plugin.name)}`, plugin.plugins)
       this.useByPluginsConfig(plugin.plugins)
     }
 
@@ -211,7 +210,7 @@ module.exports = class PluginAPI {
     alias
   }) {
     const isInternalPlugin = pluginName.startsWith('@vuepress/internal-')
-    if (isDebug && !isInternalPlugin) {
+    if (!isInternalPlugin || debug) {
       logger.tip(
         shortcut
           ? `Apply plugin ${chalk.magenta(shortcut)} ${chalk.gray(`(i.e. "${pluginName}")`)} ...`

packages/@vuepress/core/lib/prepare/AppContext.js

@@ -346,7 +346,7 @@ function createTemp (tempPath) {
     fs.emptyDirSync(tempPath)
   }
 
-  logger.tip(`Temp directory: ${chalk.gray(tempPath)}`)
+  logger.debug(`Temp directory: ${chalk.gray(tempPath)}`)
   const tempCache = new Map()
 
   async function writeTemp (file, content) {

packages/@vuepress/core/lib/webpack/createBaseConfig.js

@@ -4,7 +4,7 @@
  * Module dependencies.
  */
 
-const { fs, path, logger } = require('@vuepress/shared-utils')
+const { fs, path, logger, env } = require('@vuepress/shared-utils')
 
 /**
  * Expose createBaseConfig method.
@@ -21,7 +21,6 @@ module.exports = function createBaseConfig ({
   cacheDirectory,
   cacheIdentifier,
   cliOptions: {
-    debug,
     cache
   },
   pluginAPI
@@ -36,20 +35,19 @@ module.exports = function createBaseConfig ({
   const config = new Config()
 
   config
-    .mode(isProd && !debug ? 'production' : 'development')
+    .mode(isProd && !env.isDebug ? 'production' : 'development')
     .output
       .path(outDir)
       .filename(isProd ? 'assets/js/[name].[chunkhash:8].js' : 'assets/js/[name].js')
       .publicPath(isProd ? publicPath : '/')
 
-  if (debug) {
+  if (env.isDebug) {
     config.devtool('source-map')
   } else if (!isProd) {
     config.devtool('cheap-module-eval-source-map')
   }
 
   const modulePaths = getModulePaths()
-  logger.debug('modulePaths = ' + JSON.stringify(modulePaths, null, 2))
 
   config.resolve
     .set('symlinks', true)

packages/@vuepress/core/lib/webpack/createClientConfig.js

@@ -5,8 +5,7 @@
  */
 
 module.exports = function createClientConfig (ctx) {
-  const { path } = require('@vuepress/shared-utils')
-  const WebpackBar = require('webpackbar')
+  const { path, env } = require('@vuepress/shared-utils')
   const createBaseConfig = require('./createBaseConfig')
 
   const config = createBaseConfig(ctx)
@@ -57,7 +56,8 @@ module.exports = function createClientConfig (ctx) {
       }])
   }
 
-  if (!ctx.cliOptions.debug) {
+  if (!env.isDebug) {
+    const WebpackBar = require('webpackbar')
     config
       .plugin('bar')
       .use(WebpackBar, [{

packages/@vuepress/core/lib/webpack/createServerConfig.js

@@ -6,8 +6,7 @@
 
 module.exports = function createServerConfig (ctx) {
   const fs = require('fs')
-  const { path } = require('@vuepress/shared-utils')
-  const WebpackBar = require('webpackbar')
+  const { path, env } = require('@vuepress/shared-utils')
   const createBaseConfig = require('./createBaseConfig')
   const VueSSRServerPlugin = require('vue-server-renderer/server-plugin')
   const CopyPlugin = require('copy-webpack-plugin')
@@ -46,7 +45,8 @@ module.exports = function createServerConfig (ctx) {
       ]])
   }
 
-  if (!ctx.cliOptions.debug) {
+  if (!env.isDebug) {
+    const WebpackBar = require('webpackbar')
     config
       .plugin('bar')
       .use(WebpackBar, [{

packages/@vuepress/shared-utils/lib/env.js

@@ -1,7 +1,14 @@
-const isDebug = process.argv.indexOf('--debug') !== -1
-const isProduction = () => process.env.NODE_ENV === 'production'
-const isTest = () => process.env.NODE_ENV === 'test'
+class ENV {
+  constructor () {
+    this.isDebug = false
+    this.isTest = false
+    this.isProduction = false
+  }
+
+  setOptions (options) {
+    Object.assign(this, options)
+  }
+}
+
+module.exports = new ENV()
 
-exports.isDebug = isDebug
-exports.isTest = isTest
-exports.isProduction = isProduction

packages/@vuepress/shared-utils/lib/logger.js

@@ -48,20 +48,32 @@ class Logger {
 
   // level: 3
   success (...args) {
+    if (this.options.logLevel < 3) {
+      return
+    }
     this.status('green', 'success', ...args)
   }
 
   // level: 3
   tip (...args) {
+    if (this.options.logLevel < 3) {
+      return
+    }
     this.status('blue', 'tip', ...args)
   }
 
   // level: 3
   info (...args) {
+    if (this.options.logLevel < 3) {
+      return
+    }
     this.status('cyan', 'info', ...args)
   }
 
   wait (...args) {
+    if (this.options.logLevel < 3) {
+      return
+    }
     this.status('cyan', 'wait', ...args)
   }
 

packages/@vuepress/shared-utils/lib/module.js

@@ -42,7 +42,7 @@ exports.resolveModule = function (request, context) {
   // TODO
   // Temporary workaround for jest cannot resolve module path from '__mocks__'
   // when using 'require.resolve'.
-  if (isTest() && request !== '@vuepress/theme-default') {
+  if (isTest && request !== '@vuepress/theme-default') {
     resolvedPath = path.resolve(__dirname, '../../../../__mocks__', request)
     if (!fs.existsSync(`${resolvedPath}.js`) && !fs.existsSync(`${resolvedPath}/index.js`)) {
       throw new Error(`Cannot find module '${request}'`)