From aa5fa0f2832e942df130f6e06426fe20fa0cc0ef Mon Sep 17 00:00:00 2001
From: =?utf8?q?Petr=20=C5=A0tetiar?= <ynezz@true.cz>
Date: Thu, 6 Aug 2020 13:55:04 +0200
Subject: [PATCH] ci: add eslint and prettier check
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Use opinionated code formatter `prettier` and `eslint` for static code
analysis of JavaScript code.

Signed-off-by: Petr Å tetiar <ynezz@true.cz>
---
 .eslintrc.json | 10 ++++++++++
 .gitlab-ci.yml | 11 +++++++++++
 package.json   |  8 ++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 .eslintrc.json
 create mode 100644 package.json

diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..f9bef65
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,10 @@
+{
+    "env": {
+        "browser": true,
+        "es2020": true
+    },
+    "extends": [
+	    "eslint:recommended",
+	    "prettier"
+    ]
+}
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5a01f22..f1761b5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,6 +6,17 @@ stages:
   - pre-build
   - test
 
+check HTML, JS, CSS with eslint and prettier:
+  stage: pre-build
+  image: node
+  cache:
+    paths:
+      - node_modules/
+  script:
+    - yarn install
+    - yarn prettier --check www/
+    - yarn eslint www/
+
 check HTML, CSS and SVG with html5validator:
   stage: pre-build
   image: cyb3rjak3/html5validator:latest
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..a4bece5
--- /dev/null
+++ b/package.json
@@ -0,0 +1,8 @@
+{
+  "devDependencies": {
+    "eslint": "^7.6.0",
+    "eslint-config-prettier": "^6.11.0",
+    "eslint-plugin-prettier": "^3.1.4",
+    "prettier": "^2.0.5"
+  }
+}
-- 
2.30.2