add build error handling so builds don't silently fail

Author: trusktr

build/build.js

@@ -9,8 +9,8 @@ const version = process.env.VERSION || require('../package.json').version
 const chokidar = require('chokidar')
 const path = require('path')
 
-const build = function (opts) {
-  rollup
+async function build(opts) {
+  await rollup
     .rollup({
       input: opts.input,
       plugins: (opts.plugins || []).concat([
@@ -27,31 +27,34 @@ const build = function (opts) {
       var dest = 'lib/' + (opts.output || opts.input)
 
       console.log(dest)
-      bundle.write({
+      return bundle.write({
         format: 'iife',
         file: dest,
         strict: false
       })
     })
-    .catch(function (err) {
-      console.error(err)
-    })
 }
-const buildCore = function () {
-  build({
+
+async function buildCore() {
+  const promises = []
+
+  promises.push(build({
     input: 'src/core/index.js',
     output: 'docsify.js'
-  })
+  }))
 
   if (isProd) {
-    build({
+    promises.push(build({
       input: 'src/core/index.js',
       output: 'docsify.min.js',
       plugins: [uglify()]
-    })
+    }))
   }
+
+  await Promise.all(promises)
 }
-const buildAllPlugin = function () {
+
+async function buildAllPlugin() {
   var plugins = [
     {name: 'search', input: 'search/index.js'},
     {name: 'ga', input: 'ga.js'},
@@ -64,56 +67,68 @@ const buildAllPlugin = function () {
     {name: 'gitalk', input: 'gitalk.js'}
   ]
 
-  plugins.forEach(item => {
-    build({
+  const promises = plugins.map(item => {
+    return build({
       input: 'src/plugins/' + item.input,
       output: 'plugins/' + item.name + '.js'
     })
   })
 
   if (isProd) {
     plugins.forEach(item => {
-      build({
+      promises.push(build({
         input: 'src/plugins/' + item.input,
         output: 'plugins/' + item.name + '.min.js',
         plugins: [uglify()]
-      })
+      }))
     })
   }
+
+  await Promise.all(promises)
 }
 
-if (!isProd) {
-  chokidar
-    .watch(['src/core', 'src/plugins'], {
-      atomic: true,
-      awaitWriteFinish: {
-        stabilityThreshold: 1000,
-        pollInterval: 100
-      }
-    })
-    .on('change', p => {
-      console.log('[watch] ', p)
-      const dirs = p.split(path.sep)
-      if (dirs[1] === 'core') {
-        buildCore()
-      } else if (dirs[2]) {
-        const name = path.basename(dirs[2], '.js')
-        const input = `src/plugins/${name}${
-          /\.js/.test(dirs[2]) ? '' : '/index'
-        }.js`
+async function main() {
+  if (!isProd) {
+    chokidar
+      .watch(['src/core', 'src/plugins'], {
+        atomic: true,
+        awaitWriteFinish: {
+          stabilityThreshold: 1000,
+          pollInterval: 100
+        }
+      })
+      .on('change', p => {
+        console.log('[watch] ', p)
+        const dirs = p.split(path.sep)
+        if (dirs[1] === 'core') {
+          buildCore()
+        } else if (dirs[2]) {
+          const name = path.basename(dirs[2], '.js')
+          const input = `src/plugins/${name}${
+            /\.js/.test(dirs[2]) ? '' : '/index'
+          }.js`
 
-        build({
-          input,
-          output: 'plugins/' + name + '.js'
-        })
-      }
-    })
-    .on('ready', () => {
-      console.log('[start]')
-      buildCore()
+          build({
+            input,
+            output: 'plugins/' + name + '.js'
+          })
+        }
+      })
+      .on('ready', () => {
+        console.log('[start]')
+        buildCore()
+        buildAllPlugin()
+      })
+  } else {
+    await Promise.all([
+      buildCore(),
       buildAllPlugin()
-    })
-} else {
-  buildCore()
-  buildAllPlugin()
+    ])
+  }
 }
+
+main().catch((e) => {
+  console.error(e)
+  process.exit(1)
+})
+

build/css.js

@@ -5,8 +5,8 @@ const {spawn} = require('child_process')
 const args = process.argv.slice(2)
 fs.readdir(path.join(__dirname, '../src/themes'), (err, files) => {
     if (err) {
-        console.log('err', err)
-        return
+        console.error('err', err)
+        process.exit(1)
     }
     files.map(async (file) => {
         if (/\.styl/g.test(file)) {
@@ -31,7 +31,14 @@ fs.readdir(path.join(__dirname, '../src/themes'), (err, files) => {
             });
 
             stylusCMD.on('close', (code) => {
-                console.log(`[Stylus Build ] child process exited with code ${code}`);
+                const message = `[Stylus Build ] child process exited with code ${code}`
+
+                if (code !== 0) {
+                  console.error(message);
+                  process.exit(code)
+                } else {
+                  console.log(message);
+                }
             });
         } else {
             return

build/mincss.js

@@ -8,5 +8,8 @@ files.forEach(file => {
   file = path.resolve('lib/themes', file)
   cssnano(fs.readFileSync(file)).then(result => {
     fs.writeFileSync(file, result.css)
+  }).catch(e => {
+    console.error(e)
+    process.exit(1)
   })
 })

build/ssr.js

@@ -24,11 +24,12 @@ rollup
     var dest = 'packages/docsify-server-renderer/build.js'
 
     console.log(dest)
-    bundle.write({
+    return bundle.write({
       format: 'cjs',
       file: dest
     })
   })
   .catch(function (err) {
     console.error(err)
+    process.exit(1)
   })