Support domains with www in getMarketplaceByDomain

Add tests.

Author: tusbar

.gitignore

@@ -1 +1,3 @@
-node_modules
+node_modules/
+coverage/
+reports/

__tests__/index.js

@@ -0,0 +1,24 @@
+const {
+  getMarketplaceByDomain
+} = require('..')
+
+describe('index', () => {
+  describe('getMarketplaceByDomain', () => {
+    it('should support all cases', () => {
+      expect(getMarketplaceByDomain('Amazon.fr').domain).toBe('amazon.fr')
+      expect(getMarketplaceByDomain('amazon.fr').domain).toBe('amazon.fr')
+      expect(getMarketplaceByDomain('AMAZON.fr').domain).toBe('amazon.fr')
+      expect(getMarketplaceByDomain('amazon.FR').domain).toBe('amazon.fr')
+    })
+
+    it('should support domains with the www subdomain', () => {
+      expect(getMarketplaceByDomain('www.amazon.fr').domain).toBe('amazon.fr')
+      expect(getMarketplaceByDomain('www.amazon.co.uk').domain).toBe('amazon.co.uk')
+      expect(getMarketplaceByDomain('www.amazon.com').domain).toBe('amazon.com')
+      expect(getMarketplaceByDomain('www.Amazon.de').domain).toBe('amazon.de')
+      expect(getMarketplaceByDomain('WWW.amazoN.it').domain).toBe('amazon.it')
+
+      expect(getMarketplaceByDomain('www.google.com')).toBeUndefined()
+    })
+  })
+})

index.js

@@ -24,11 +24,19 @@ exports.getMarketplaceById = memoize(id => {
 })
 
 exports.getMarketplaceByCode = memoize(code => {
-  return marketplaces.find(marketplace => marketplace.code === code.toLowerCase())
+  code = code.toLowerCase()
+
+  return marketplaces.find(marketplace => marketplace.code === code)
 })
 
 exports.getMarketplaceByDomain = memoize(domain => {
-  return marketplaces.find(marketplace => marketplace.domain === domain.toLowerCase())
+  domain = domain.toLowerCase()
+
+  if (domain.startsWith('www.')) {
+    domain = domain.slice(4)
+  }
+
+  return marketplaces.find(marketplace => marketplace.domain === domain)
 })
 
 exports.getMarketplacesByMwsDomain = memoize(domain => {

package.json

@@ -6,6 +6,9 @@
   "repository": "https://github.com/bizon/amazon-ids",
   "author": "Bertrand Marron <bertrand.marron@gmail.com>",
   "license": "MIT",
+  "scripts": {
+    "test": "jest"
+  },
   "files": [
     "index.js",
     "marketplaces.json"
@@ -14,16 +17,39 @@
     "memoizee": "^0.4.14"
   },
   "devDependencies": {
+    "jest": "^27.0.1",
     "xo": "^0.36.1"
   },
-  "xo": {
-    "semicolon": false,
-    "space": 2
-  },
   "keywords": [
     "amazon",
     "sellercentral",
     "vendorcentral",
     "marketplaces"
-  ]
+  ],
+  "jest": {
+    "testEnvironment": "node",
+    "testMatch": [
+      "<rootDir>/__tests__/**/*.js"
+    ],
+    "collectCoverage": true,
+    "collectCoverageFrom": [
+      "index.js"
+    ],
+    "coverageReporters": [
+      "lcov",
+      "text-summary"
+    ]
+  },
+  "xo": {
+    "semicolon": false,
+    "space": 2,
+    "overrides": [
+      {
+        "files": "__tests__/**/*.js",
+        "envs": [
+          "jest"
+        ]
+      }
+    ]
+  }
 }