From 4c1831cf64fdcde7039a0dc1fe2fc0c51f17422c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=87=E7=BA=AF?= <harrywan@webank.com>
Date: Wed, 3 Feb 2021 18:59:24 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8DhardSoureWebpackPlugin?=
 =?UTF-8?q?=E5=9C=A8webpack=E7=9A=84define=E6=8F=92=E4=BB=B6=E5=8F=98?=
 =?UTF-8?q?=E5=8C=96=E6=97=B6=E4=BE=9D=E7=84=B6=E4=BD=BF=E7=94=A8cache?=
 =?UTF-8?q?=E7=9A=84bug?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

默认使用node-object-hash对webpackConfig处理计算hash，插件配置解析为[Object, object]，所以define插件配置发生变化，产生的hash一样
---
 .../src/plugins/features/hardSource.js        | 24 +++++++++++++++----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/packages/fes-preset-built-in/src/plugins/features/hardSource.js b/packages/fes-preset-built-in/src/plugins/features/hardSource.js
index 7622f399..59e1d132 100644
--- a/packages/fes-preset-built-in/src/plugins/features/hardSource.js
+++ b/packages/fes-preset-built-in/src/plugins/features/hardSource.js
@@ -1,8 +1,3 @@
-import {
-    winPath
-} from '@umijs/utils';
-import HardSourceWebpackPlugin from 'hard-source-webpack-plugin';
-
 export default (api) => {
     api.describe({
         key: 'hardSource',
@@ -14,12 +9,31 @@ export default (api) => {
     });
 
     api.chainWebpack((webpackConfig) => {
+        const HardSourceWebpackPlugin = require('hard-source-webpack-plugin');
+        const { winPath } = require('@umijs/utils');
+        const crypto = require('crypto');
+        const path = require('path');
+        const { toString } = require('webpack-chain');
         const cwd = api.cwd;
         if (api.env === 'development') {
             webpackConfig
                 .plugin('hardSource')
                 .use(HardSourceWebpackPlugin, [{
                     cacheDirectory: winPath(`${cwd}/.cache/hard-source/[confighash]`),
+                    configHash: (config) => {
+                        const hardSourcePlugin = config.plugins.find(
+                            ({ constructor }) => constructor.name === 'HardSourceWebpackPlugin'
+                        );
+                        const cacheDir = hardSourcePlugin.getCachePath();
+                        const context = path.resolve(process.cwd(), config.context);
+                        const clone = Object.assign({}, config, {
+                            context: path.relative(cacheDir, context)
+                        });
+                        return crypto
+                            .createHash('sha256')
+                            .update(toString(clone))
+                            .digest('hex');
+                    },
                     ...api.config.hardSource || {}
                 }]);
             webpackConfig