Improve project

.eslintignore

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+/views/**/*.js
+/node_modules
+/vendor

.eslintrc.js

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+module.exports = {
+  root: true,
+  env: {
+    browser: true,
+    node: true,
+    es6: true,
+    jquery: true,
+  },
+  parserOptions: {
+    parser: 'babel-eslint',
+  },
+  plugins: [
+    'import',
+  ],
+  extends: [
+    'prestashop',
+  ],
+  rules: {
+    'no-new': 0,
+    'class-methods-use-this': 0,
+    'no-alert': 0
+  },
+};

.github/workflows/build-release.yml

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+name: Build
+on: [push, pull_request]
+
+jobs:
+    deploy:
+        name: build dependencies & create artifact
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2.0.0
+
+            # Install PHP dependencies (Production ONLY)
+            - name: Install composer dependencies
+              run: composer install --no-dev -o
+
+            # Remove development files
+            - name: Clean-up project
+              uses: PrestaShopCorp/github-action-clean-before-deploy@v1.0
+
+            # Zip files and upload to artifacts list
+            - name: Create & upload artifact
+              uses: actions/upload-artifact@v1
+              with:
+                  name: ${{ github.event.repository.name }}
+                  path: ../

.github/workflows/js.yml

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+name: JS tests
+on: [push, pull_request]
+jobs:
+    js-linter:
+        name: JS linter
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                node-versions: [ '10', '11', '12', '13' ]
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2.0.0
+            - uses: actions/setup-node@v1
+              with:
+                  node-version: ${{ matrix.node-versions }}
+            - run: npm install
+            - name: Lint
+              run: npm run lint

.github/workflows/php.yml

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+name: PHP tests
+on: [push, pull_request]
+jobs:
+    # Check there is no syntax errors in the project
+    php-linter:
+        name: PHP Syntax check 5.6|7.2|7.3
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2.0.0
+
+            - name: PHP syntax checker 5.6
+              uses: prestashop/github-action-php-lint/5.6@master
+
+            - name: PHP syntax checker 7.2
+              uses: prestashop/github-action-php-lint/7.2@master
+
+            - name: PHP syntax checker 7.3
+              uses: prestashop/github-action-php-lint/7.3@master
+
+    # Check the PHP code follow the coding standards
+    php-cs-fixer:
+        name: PHP-CS-Fixer
+        runs-on: ubuntu-latest
+        steps:
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                php-version: '7.4'
+
+            - name: Checkout
+              uses: actions/checkout@v2.0.0
+
+            - name: Cache dependencies
+              uses: actions/cache@v2
+              with:
+                path: vendor
+                key: php-${{ hashFiles('composer.lock') }}
+
+            - name: Install dependencies
+              run: composer install
+
+            - name: Run PHP-CS-Fixer
+              run: ./vendor/bin/php-cs-fixer fix --dry-run --diff --using-cache=no --diff-format udiff
+
+    # Run PHPStan against the module and a PrestaShop release
+    phpstan:
+        name: PHPStan
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                presta-versions: ['latest']
+        steps:
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                php-version: '7.4'
+
+            - name: Checkout
+              uses: actions/checkout@v2.0.0
+
+            # Add vendor folder in cache to make next builds faster
+            - name: Cache vendor folder
+              uses: actions/cache@v1
+              with:
+                path: vendor
+                key: php-${{ hashFiles('composer.lock') }}
+
+            # Add composer local folder in cache to make next builds faster
+            - name: Cache composer folder
+              uses: actions/cache@v1
+              with:
+                path: ~/.composer/cache
+                key: php-composer-cache
+
+            - run: composer install
+
+            # Docker images prestashop/prestashop may be used, even if the shop remains uninstalled
+            - name: Execute PHPStan on PrestaShop (Tag ${{ matrix.presta-versions }})
+              run: ./tests/phpstan.sh ${{ matrix.presta-versions }}