npm and error messages

node_modules/vue/src/server/webpack-plugin/client.js

@@ -0,0 +1,70 @@
+const hash = require('hash-sum')
+const uniq = require('lodash.uniq')
+import { isJS } from './util'
+
+export default class VueSSRClientPlugin {
+  constructor (options = {}) {
+    this.options = Object.assign({
+      filename: 'vue-ssr-client-manifest.json'
+    }, options)
+  }
+
+  apply (compiler) {
+    compiler.plugin('emit', (compilation, cb) => {
+      const stats = compilation.getStats().toJson()
+
+      const allFiles = uniq(stats.assets
+        .map(a => a.name))
+
+      const initialFiles = uniq(Object.keys(stats.entrypoints)
+        .map(name => stats.entrypoints[name].assets)
+        .reduce((assets, all) => all.concat(assets), [])
+        .filter(isJS))
+
+      const asyncFiles = allFiles
+        .filter(isJS)
+        .filter(file => initialFiles.indexOf(file) < 0)
+
+      const manifest = {
+        publicPath: stats.publicPath,
+        all: allFiles,
+        initial: initialFiles,
+        async: asyncFiles,
+        modules: { /* [identifier: string]: Array<index: number> */ }
+      }
+
+      const assetModules = stats.modules.filter(m => m.assets.length)
+      const fileToIndex = file => manifest.all.indexOf(file)
+      stats.modules.forEach(m => {
+        // ignore modules duplicated in multiple chunks
+        if (m.chunks.length === 1) {
+          const cid = m.chunks[0]
+          const chunk = stats.chunks.find(c => c.id === cid)
+          if (!chunk || !chunk.files) {
+            return
+          }
+          const files = manifest.modules[hash(m.identifier)] = chunk.files.map(fileToIndex)
+          // find all asset modules associated with the same chunk
+          assetModules.forEach(m => {
+            if (m.chunks.some(id => id === cid)) {
+              files.push.apply(files, m.assets.map(fileToIndex))
+            }
+          })
+        }
+      })
+
+      // const debug = (file, obj) => {
+      //   require('fs').writeFileSync(__dirname + '/' + file, JSON.stringify(obj, null, 2))
+      // }
+      // debug('stats.json', stats)
+      // debug('client-manifest.json', manifest)
+
+      const json = JSON.stringify(manifest, null, 2)
+      compilation.assets[this.options.filename] = {
+        source: () => json,
+        size: () => json.length
+      }
+      cb()
+    })
+  }
+}

node_modules/vue/src/server/webpack-plugin/server.js

@@ -0,0 +1,66 @@
+import { validate, isJS } from './util'
+
+export default class VueSSRServerPlugin {
+  constructor (options = {}) {
+    this.options = Object.assign({
+      filename: 'vue-ssr-server-bundle.json'
+    }, options)
+  }
+
+  apply (compiler) {
+    validate(compiler)
+
+    compiler.plugin('emit', (compilation, cb) => {
+      const stats = compilation.getStats().toJson()
+      const entryName = Object.keys(stats.entrypoints)[0]
+      const entryInfo = stats.entrypoints[entryName]
+
+      if (!entryInfo) {
+        // #5553
+        return cb()
+      }
+
+      const entryAssets = entryInfo.assets.filter(isJS)
+
+      if (entryAssets.length > 1) {
+        throw new Error(
+          `Server-side bundle should have one single entry file. ` +
+          `Avoid using CommonsChunkPlugin in the server config.`
+        )
+      }
+
+      const entry = entryAssets[0]
+      if (!entry || typeof entry !== 'string') {
+        throw new Error(
+          `Entry "${entryName}" not found. Did you specify the correct entry option?`
+        )
+      }
+
+      const bundle = {
+        entry,
+        files: {},
+        maps: {}
+      }
+
+      stats.assets.forEach(asset => {
+        if (asset.name.match(/\.js$/)) {
+          bundle.files[asset.name] = compilation.assets[asset.name].source()
+        } else if (asset.name.match(/\.js\.map$/)) {
+          bundle.maps[asset.name.replace(/\.map$/, '')] = JSON.parse(compilation.assets[asset.name].source())
+        }
+        // do not emit anything else for server
+        delete compilation.assets[asset.name]
+      })
+
+      const json = JSON.stringify(bundle, null, 2)
+      const filename = this.options.filename
+
+      compilation.assets[filename] = {
+        source: () => json,
+        size: () => json.length
+      }
+
+      cb()
+    })
+  }
+}

node_modules/vue/src/server/webpack-plugin/util.js

@@ -0,0 +1,24 @@
+const { red, yellow } = require('chalk')
+
+const prefix = `[vue-server-renderer-webpack-plugin]`
+const warn = exports.warn = msg => console.error(red(`${prefix} ${msg}\n`))
+const tip = exports.tip = msg => console.log(yellow(`${prefix} ${msg}\n`))
+
+export const validate = compiler => {
+  if (compiler.options.target !== 'node') {
+    warn('webpack config `target` should be "node".')
+  }
+
+  if (compiler.options.output && compiler.options.output.libraryTarget !== 'commonjs2') {
+    warn('webpack config `output.libraryTarget` should be "commonjs2".')
+  }
+
+  if (!compiler.options.externals) {
+    tip(
+      'It is recommended to externalize dependencies in the server build for ' +
+      'better build performance.'
+    )
+  }
+}
+
+export { isJS, isCSS } from '../util'