From df06baeb434e69f868f30f43a6949ab4a58d2cd9 Mon Sep 17 00:00:00 2001
From: xuegan <xuegan@didiglobal.com>
Date: Thu, 14 Sep 2023 10:55:03 +0800
Subject: [PATCH] =?UTF-8?q?feat:=E8=B0=83=E6=95=B4size=20report=20preWarni?=
 =?UTF-8?q?ngSize=20=E9=80=BB=E8=BE=91?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/size-report/README.md               | 7 +++++--
 packages/size-report/src/SizeReportPlugin.js | 6 +++---
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/packages/size-report/README.md b/packages/size-report/README.md
index 5f92bd7c92..90fdcbf31e 100644
--- a/packages/size-report/README.md
+++ b/packages/size-report/README.md
@@ -64,8 +64,11 @@ const MpxSizeReportPlugin = require('@mpxjs/size-report')
         },
         {
           name: 'pageGroup',
-          // 每个分组中可分别配置阈值，如果不配置则表示
-          threshold: '500KB',
+          // 每个分组中可分别配置阈值，如果不配置则表示没任何限制
+          threshold: {
+            size: '500KB',
+            preWarningSize: true// 可选项，开启分组体积阈值预警，会以warning的形式在每次构建后输出当前分组的剩余体积
+          },
           entryRules: {
             include: ['src/pages/index', 'src/pages/user']
           }
diff --git a/packages/size-report/src/SizeReportPlugin.js b/packages/size-report/src/SizeReportPlugin.js
index a09ec553c9..f388f4d215 100644
--- a/packages/size-report/src/SizeReportPlugin.js
+++ b/packages/size-report/src/SizeReportPlugin.js
@@ -656,15 +656,15 @@ class SizeReportPlugin {
 
       function checkThreshold (threshold, size, sizeInfo, reportGroupName) {
         const sizeThreshold = normalizeThreshold(threshold.size || threshold)
-        const preWarningThreshold = normalizeThreshold(threshold.preWarningSize || threshold)
+        const preWarningSize = threshold.preWarningSize
         const packagesThreshold = threshold.packages
         const prefix = reportGroupName ? `${reportGroupName}体积分组` : '总包'
 
         if (sizeThreshold && size && size > sizeThreshold) {
           compilation.errors.push(`${prefix}的总体积（${size}B）超过设定阈值（${sizeThreshold}B），共${(size - sizeThreshold) / 1024}kb，请检查！`)
         }
-        if (preWarningThreshold && size && size > preWarningThreshold) {
-          compilation.warnings.push(`${prefix}的总体积（${size}B）超过设定预警阈值（${preWarningThreshold}B），共${(size - preWarningThreshold) / 1024}kb，请注意！`)
+        if (preWarningSize && size && size < sizeThreshold) {
+          compilation.warnings.push(`当前${prefix}的总体积 ${size / 1024}kb，${prefix}的体积阈值为${sizeThreshold / 1024}kb, 共剩余${(sizeThreshold - size) / 1024}kb，请注意！`)
         }
 
         if (packagesThreshold && sizeInfo) {