1 files changed, 24 insertions, 0 deletions
diff --git a/node_modules/vue/src/server/webpack-plugin/util.js b/node_modules/vue/src/server/webpack-plugin/util.js
new file mode 100644
index 00000000..d22e4b2c
--- /dev/null
+++ b/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'