feat(core): Add getUserAgent

lib/get-user-agent.js

@@ -0,0 +1,12 @@
+import platform from 'platform'
+
+export default function getUserAgentHeader (sdk, application, integration) {
+  const headerParts = []
+
+  headerParts.push(application ? `app ${application}` : '')
+  headerParts.push(integration ? `integration ${integration}` : '')
+  headerParts.push(`sdk ${sdk}`)
+  headerParts.push(`platform ${platform.name}/${platform.version}`)
+  headerParts.push(`os ${platform.os.family}/${platform.os.version || '0.0.0'}`)
+  return headerParts.filter((item) => item !== '').join('; ')
+}

package.json

@@ -45,6 +45,7 @@
     "es6-promise": "^4.0.5",
     "lodash": "^4.17.4",
     "npmlog": "^4.0.2",
+    "platform": "1.3.3",
     "qs": "^6.1.0"
   },
   "devDependencies": {

test/unit/user-agent-test.js

@@ -0,0 +1,9 @@
+import test from 'blue-tape'
+import getUserAgent from '../../lib/get-user-agent'
+
+test('Parse User agent correctly', (t) => {
+  t.plan(1)
+  const headerRegEx = /(app|sdk|platform|integration|os) (\S+\/\d.\d.\d)(-\w+)?/igm
+  const userAgent = getUserAgent('contentful.js/1.0.0', 'myApplication/1.0.0', 'myIntegration/1.0.0')
+  t.equal(userAgent.match(headerRegEx).length, 5)
+})

yarn.lock

@@ -2850,6 +2850,10 @@ pkg-dir@^1.0.0:
   dependencies:
     find-up "^1.0.0"
 
+[email protected]:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/platform/-/platform-1.3.3.tgz#646c77011899870b6a0903e75e997e8e51da7461"
+
 pluralize@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"