docs: fix content hash of webpack example (fix #1728) (#1729)

Co-authored-by: Frozen FIsh <76603360+sudongyuer@users.noreply.github.com>
unocss · Oct 12, 2022 · d2b022d · d2b022d
1 parent 477ce2b
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diff --git a/examples/vue-cli5/vue.config.js b/examples/vue-cli5/vue.config.js
@@ -5,6 +5,9 @@ module.exports = {
     plugins: [
       UnoCSS(),
     ],
+    optimization: {
+      realContentHash: true,
+    },
   },
   chainWebpack(config) {
     config.module.rule('vue').uses.delete('cache-loader')

diff --git a/packages/webpack/README.md b/packages/webpack/README.md
@@ -20,9 +20,14 @@ module.exports = {
   plugins: [
     UnoCSS({ /* options */ }),
   ],
+  optimization: {
+    realContentHash: true,
+  },
 }
 ```
 
+> If you are using webpack@4.x, the `optimization.realContentHash` configuration is not supported, And you should remove it. Be aware of this [known issue](https://github.com/unocss/unocss/issues/1728) with bundle and [webpack#9520](https://github.com/webpack/webpack/issues/9520#issuecomment-749534245).
+
 Add `uno.css` to your main entry:
 
 ```ts