From 456738bbdac0be7919f2df9fafb1cc0ee1047524 Mon Sep 17 00:00:00 2001
From: Marcello Fitton <106866560+angelplusultra@users.noreply.github.com>
Date: Mon, 9 Mar 2026 14:27:08 -0700
Subject: [PATCH] chore: add ESLint CI workflow (#5160)

add lint CI GitHub Action
---
 .github/workflows/lint.yaml | 72 +++++++++++++++++++++++++++++++++++++
 collector/package.json      |  3 +-
 package.json                |  1 +
 server/package.json         |  1 +
 4 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/lint.yaml

diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
new file mode 100644
index 00000000..dbda1f14
--- /dev/null
+++ b/.github/workflows/lint.yaml
@@ -0,0 +1,72 @@
+name: Lint
+
+concurrency:
+  group: lint-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+    paths:
+      - "server/**/*.js"
+      - "server/eslint.config.mjs"
+      - "collector/**/*.js"
+      - "collector/eslint.config.mjs"
+      - "frontend/src/**/*.js"
+      - "frontend/src/**/*.jsx"
+      - "frontend/eslint.config.js"
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "18"
+
+      - name: Cache server dependencies
+        uses: actions/cache@v4
+        with:
+          path: server/node_modules
+          key: ${{ runner.os }}-yarn-server-${{ hashFiles('server/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-server-
+
+      - name: Cache frontend dependencies
+        uses: actions/cache@v4
+        with:
+          path: frontend/node_modules
+          key: ${{ runner.os }}-yarn-frontend-${{ hashFiles('frontend/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-frontend-
+
+      - name: Cache collector dependencies
+        uses: actions/cache@v4
+        with:
+          path: collector/node_modules
+          key: ${{ runner.os }}-yarn-collector-${{ hashFiles('collector/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-collector-
+
+      - name: Install server dependencies
+        run: cd server && yarn install --frozen-lockfile
+
+      - name: Install frontend dependencies
+        run: cd frontend && yarn install --frozen-lockfile
+
+      - name: Install collector dependencies
+        run: cd collector && yarn install --frozen-lockfile
+
+      - name: Lint server
+        run: cd server && yarn lint:check
+
+      - name: Lint frontend
+        run: cd frontend && yarn lint:check
+
+      - name: Lint collector
+        run: cd collector && yarn lint:check
diff --git a/collector/package.json b/collector/package.json
index c764833e..4be06c38 100644
--- a/collector/package.json
+++ b/collector/package.json
@@ -12,7 +12,8 @@
   "scripts": {
     "dev": "cross-env NODE_ENV=development nodemon --ignore hotdir --ignore storage --trace-warnings index.js",
     "start": "cross-env NODE_ENV=production node index.js",
-    "lint": "eslint --fix ."
+    "lint": "eslint --fix .",
+    "lint:check": "eslint ."
   },
   "dependencies": {
     "@langchain/community": "^0.2.23",
diff --git a/package.json b/package.json
index 2a5c7544..a3cc6046 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
   "scripts": {
     "test": "jest",
     "lint": "cd server && yarn lint && cd ../frontend && yarn lint && cd ../collector && yarn lint",
+    "lint:ci": "cd server && yarn lint:check && cd ../frontend && yarn lint:check && cd ../collector && yarn lint:check",
     "setup": "cd server && yarn && cd ../collector && yarn && cd ../frontend && yarn && cd .. && yarn setup:envs && yarn prisma:setup && echo \"Please run yarn dev:server, yarn dev:collector, and yarn dev:frontend in separate terminal tabs.\"",
     "setup:envs": "cp -n ./frontend/.env.example ./frontend/.env; cp -n ./server/.env.example ./server/.env.development; cp -n ./collector/.env.example ./collector/.env; cp -n ./docker/.env.example ./docker/.env; echo \"All ENV files copied!\n\"",
     "dev:server": "cd server && yarn dev",
diff --git a/server/package.json b/server/package.json
index 53235acf..7bd533a7 100644
--- a/server/package.json
+++ b/server/package.json
@@ -13,6 +13,7 @@
     "dev": "cross-env NODE_ENV=development nodemon --ignore documents --ignore vector-cache --ignore storage --ignore swagger --trace-warnings index.js",
     "start": "cross-env NODE_ENV=production node index.js",
     "lint": "eslint --fix .",
+    "lint:check": "eslint .",
     "swagger": "node ./swagger/init.js"
   },
   "prisma": {