From 8d42149304b18472f50428248d04ad81a5debac5 Mon Sep 17 00:00:00 2001
From: Anthony LC <anthony.le-courric@mail.numerique.gouv.fr>
Date: Fri, 29 Aug 2025 10:21:13 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=91=B7(CI)=20trigger=20bundle-size-check?=
 =?UTF-8?q?=20only=20if=20necessary?=
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We don't need to run the bundle-size-check job if
the app didn't change.
If the yarn.lock file or the app have changed, the
bundle-size-check job will be triggered.
---
 .github/workflows/impress-frontend.yml | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/impress-frontend.yml b/.github/workflows/impress-frontend.yml
index 9a2c3531..70b611a4 100644
--- a/.github/workflows/impress-frontend.yml
+++ b/.github/workflows/impress-frontend.yml
@@ -149,10 +149,15 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
+      - name: Detect relevant changes
+        id: changes
+        uses: dorny/paths-filter@v2
         with:
-          node-version: "22.x"
+          filters: |
+            lock:
+              - 'src/frontend/**/yarn.lock'
+            app:
+              - 'src/frontend/apps/impress/**'
 
       - name: Restore the frontend cache
         uses: actions/cache@v4
@@ -161,7 +166,14 @@ jobs:
           key: front-node_modules-${{ hashFiles('src/frontend/**/yarn.lock') }}
           fail-on-cache-miss: true
 
+      - name: Setup Node.js
+        if: steps.changes.outputs.lock == 'true' || steps.changes.outputs.app == 'true'
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22.x"
+
       - name: Check bundle size changes
+        if: steps.changes.outputs.lock == 'true' || steps.changes.outputs.app == 'true'
         uses: preactjs/compressed-size-action@v2
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"