Run eslint through npm.

.eslintrc.yml

@@ -27,6 +27,7 @@ rules:
   no-fallthrough: error
   no-mixed-spaces-and-tabs: error
   no-multiple-empty-lines: ["error", {"max": 1, "maxEOF": 1}]
+  no-prototype-builtins: off
   no-unused-vars: off
   no-use-before-define: error
   padded-blocks: ["error", "never"]

.github/workflows/lint.yml

@@ -9,14 +9,24 @@ on:
 jobs:
   eslint:
     runs-on: ubuntu-latest
-    container: nextcloudci/eslint:eslint-1
 
-    name: eslint
+    strategy:
+      matrix:
+        node-version: [16.x]
+
     steps:
       - uses: actions/checkout@v2
 
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: npm ci
+
       - name: Lint
-        run: ./run-eslint.sh
+        run: npm run lint
 
   stylelint:
     runs-on: ubuntu-latest

package.json

@@ -6,7 +6,8 @@
 	"author": "struktur AG <opensource@struktur.de>",
 	"scripts": {
 		"build": "NODE_ENV=production webpack --progress --config webpack.js",
-		"dev": "NODE_ENV=development webpack --config webpack.js"
+		"dev": "NODE_ENV=development webpack --config webpack.js",
+		"lint": "eslint src"
 	},
 	"dependencies": {
 		"@jaames/iro": "5.5.2",
@@ -18,6 +19,7 @@
 	},
 	"devDependencies": {
 		"copy-webpack-plugin": "6.4.1",
+		"eslint": "8.2.0",
 		"webpack": "4.46.0",
 		"webpack-cli": "4.9.1"
 	}

run-eslint.sh

@@ -1,11 +0,0 @@
-#!/bin/sh
-set -e
-
-ESLINT=$(which eslint || true)
-if [ -z "$ESLINT" ]; then
-    echo "Can't find command \"eslint\" in $PATH"
-    exit 1
-fi
-
-echo Checking scripts with $ESLINT ...
-find . -type d -name node_modules -prune -o -name "*.js" -print0 | xargs -0 $ESLINT