Add linting to @shopify/theme-cart

Author: t-kelly

.eslintignore

@@ -1,3 +1,4 @@
 node_modules/
 dist/
 packages/**/rollup.config.js
+jest.config.js

.eslintrc

@@ -0,0 +1,17 @@
+module.exports = {
+  extends: [
+    'eslint:recommended',
+    'plugin:shopify/prettier',
+    'plugin:es5/no-es2015',
+    'plugin:es5/no-es2016'
+  ],
+  env: {
+    browser: true
+  },
+  parserOptions: {
+    sourceType: 'module'
+  },
+  rules: {
+    'es5/no-modules': 'off'
+  }
+};

.eslintrc.js

@@ -1,4 +1,5 @@
 module.exports = {
-  preset: "jest-puppeteer",
-  setupTestFrameworkScriptFile: "expect-puppeteer"
+  preset: 'jest-puppeteer',
+  setupTestFrameworkScriptFile: 'expect-puppeteer',
+  testPathIgnorePatterns: ['.eslintrc.js']
 };

jest.config.js

@@ -9,7 +9,7 @@
     "bootstrap": "yarn && lerna bootstrap",
     "build": "lerna run build",
     "publish": "lerna publish",
-    "lint": "yarn eslint packages/theme-a11y"
+    "lint": "yarn eslint packages/theme-a11y packages/theme-cart"
   },
   "repository": "https://github.com/Shopify/theme-scripts",
   "keywords": [

package.json

@@ -0,0 +1,5 @@
+module.exports = {
+  globals: {
+    Promise: true
+  }
+};

packages/theme-cart/.eslintrc.js

@@ -13,7 +13,7 @@
       "properties": null,
       "quantity": 1,
       "variant_id": 38558517710,
-      "key": "38558517710:fe217df576fefe94bff27eff2010a09a",
+      "key": "123456:123456",
       "title": "Ratio Eight - Nickel / 110 Volts",
       "price": 58000,
       "original_price": 58000,
@@ -29,14 +29,12 @@
       "product_id": 10270178382,
       "gift_card": false,
       "url": "/products/ratio-eight?variant=38558517710",
-      "image":
-        "https://cdn.shopify.com/s/files/1/1906/1399/products/InSitu-5_8fd16703-2540-4b02-bc89-b950053d533f.png?v=1492799854",
+      "image": "https://cdn.shopify.com/s/files/1/1906/1399/products/InSitu-5_8fd16703-2540-4b02-bc89-b950053d533f.png?v=1492799854",
       "handle": "ratio-eight",
       "requires_shipping": true,
       "product_type": "",
       "product_title": "Ratio Eight",
-      "product_description":
-        "\nThis is a demonstration store. You can purchase products like this from the real Ratio online store.\nTechnically speaking.\nModel: Eight Warranty: 10 years Capacity: Brews up to 40oz (eight 5oz cups) Dimensions: 13.5\" deep x 9\" wide x 14\" tall\nRatio Eight changes everything with precision brewing technique, top-quality construction, and a design that will elevate any environment for years to come. Each machine is hand assembled and tested in Portland, Oregon. That Eight has a powerful 1600 watt heating element in 110 (US & Canada) or 220 volt. Eight's carafe holds Chemex paper filters or Able Kone stainless steel filter.\nExpected to ship: 2-3 weeksFree shipping | 10 years warranty",
+      "product_description": "\nThis is a demonstration store. You can purchase products like this from the real Ratio online store.\nTechnically speaking.\nModel: Eight Warranty: 10 years Capacity: Brews up to 40oz (eight 5oz cups) Dimensions: 13.5\" deep x 9\" wide x 14\" tall\nRatio Eight changes everything with precision brewing technique, top-quality construction, and a design that will elevate any environment for years to come. Each machine is hand assembled and tested in Portland, Oregon. That Eight has a powerful 1600 watt heating element in 110 (US & Canada) or 220 volt. Eight's carafe holds Chemex paper filters or Able Kone stainless steel filter.\nExpected to ship: 2-3 weeksFree shipping | 10 years warranty",
       "variant_title": "Nickel / 110 Volts",
       "variant_options": ["Nickel", "110 Volts"]
     }

packages/theme-cart/__fixtures__/cart-populated.json

@@ -0,0 +1,18 @@
+module.exports = {
+  root: true,
+  extends: [
+    'plugin:shopify/esnext',
+    'plugin:shopify/node',
+    'plugin:shopify/prettier'
+  ],
+  env: {
+    browser: true,
+    jest: true
+  },
+  globals: {
+    page: true
+  },
+  rules: {
+    'shopify/strict-component-boundaries': 'off'
+  }
+};