diff --git a/index.js b/index.js
index 32f04bd..1b16a4e 100644
--- a/index.js
+++ b/index.js
@@ -1,134 +1,167 @@
-let drone = require('./utils/drone')
+let drone = require('./utils/drone');
 // platform denotes code hosting provider i.e github, gitlab, bitbucket etc.
 // Had to introduce this variable as there are cases when CI is run on the same platform where code is hosted as those cases need to be handled differently.
 // Default value is github
 let platform = 'github';
-let repo, sha, event, commit_message, pull_request_number, branch, ci, jobUrl, buildUrl
+let repo,
+  sha,
+  event,
+  commit_message,
+  pull_request_number,
+  branch,
+  ci,
+  jobUrl,
+  buildUrl;
 
 if (process.env.TRAVIS) {
   // Reference: https://docs.travis-ci.com/user/environment-variables
 
-  repo = process.env.TRAVIS_REPO_SLUG
-  sha = process.env.TRAVIS_PULL_REQUEST_SHA || process.env.TRAVIS_COMMIT
-  event = process.env.TRAVIS_EVENT_TYPE
-  commit_message = process.env.TRAVIS_COMMIT_MESSAGE
-  pull_request_number = process.env.TRAVIS_PULL_REQUEST
-  jobUrl = `https://travis-ci.org/${repo}/jobs/${process.env.TRAVIS_JOB_ID}`
-  buildUrl = `https://travis-ci.org/${repo}/builds/${process.env.TRAVIS_JOB_ID}`
+  repo = process.env.TRAVIS_REPO_SLUG;
+  sha = process.env.TRAVIS_PULL_REQUEST_SHA || process.env.TRAVIS_COMMIT;
+  event = process.env.TRAVIS_EVENT_TYPE;
+  commit_message = process.env.TRAVIS_COMMIT_MESSAGE;
+  pull_request_number = process.env.TRAVIS_PULL_REQUEST;
+  jobUrl = `https://travis-ci.org/${repo}/jobs/${process.env.TRAVIS_JOB_ID}`;
+  buildUrl = `https://travis-ci.org/${repo}/builds/${process.env.TRAVIS_JOB_ID}`;
 
   branch =
     process.env.TRAVIS_EVENT_TYPE === 'push'
       ? process.env.TRAVIS_BRANCH
-      : process.env.TRAVIS_PULL_REQUEST_BRANCH
+      : process.env.TRAVIS_PULL_REQUEST_BRANCH;
 
-  ci = 'travis'
+  ci = 'travis';
 } else if (process.env.CIRCLECI) {
   // Reference: https://circleci.com/docs/1.0/environment-variables
 
-  repo = process.env.CIRCLE_PROJECT_USERNAME + '/' + process.env.CIRCLE_PROJECT_REPONAME
+  repo =
+    process.env.CIRCLE_PROJECT_USERNAME +
+    '/' +
+    process.env.CIRCLE_PROJECT_REPONAME;
 
-  sha = process.env.CIRCLE_SHA1
-  event = 'push'
-  commit_message = '' // circle does not expose commit message
+  sha = process.env.CIRCLE_SHA1;
+  event = 'push';
+  commit_message = ''; // circle does not expose commit message
   if (process.env.CI_PULL_REQUEST) {
-    pull_request_number = process.env.CI_PULL_REQUEST.split('/').pop() // take number from returns url
-    event = 'pull_request'
-  } else pull_request_number = ''
-  branch = process.env.CIRCLE_BRANCH
-  ci = 'circle'
+    pull_request_number = process.env.CI_PULL_REQUEST.split('/').pop(); // take number from returns url
+    event = 'pull_request';
+  } else pull_request_number = '';
+  branch = process.env.CIRCLE_BRANCH;
+  ci = 'circle';
 } else if (process.env.WERCKER) {
   // Reference: https://devcenter.wercker.com/docs/environment-variables/available-env-vars
 
-  repo = process.env.WERCKER_GIT_OWNER + '/' + process.env.WERCKER_GIT_REPOSITORY
+  repo =
+    process.env.WERCKER_GIT_OWNER + '/' + process.env.WERCKER_GIT_REPOSITORY;
 
-  sha = process.env.WERCKER_GIT_COMMIT
-  event = 'push'
-  commit_message = '' // wercker does not expose commit message
-  pull_request_number = '' // wercker does not expose pull request number
-  branch = process.env.WERCKER_GIT_BRANCH
-  ci = 'wercker'
+  sha = process.env.WERCKER_GIT_COMMIT;
+  event = 'push';
+  commit_message = ''; // wercker does not expose commit message
+  pull_request_number = ''; // wercker does not expose pull request number
+  branch = process.env.WERCKER_GIT_BRANCH;
+  ci = 'wercker';
 } else if (process.env.DRONE) {
   // Reference: http://readme.drone.io/usage/environment-reference
 
-  repo = process.env.DRONE_REPO || process.env.CI_REPO || drone.getLegacyRepo(process.env)
-  sha = process.env.DRONE_COMMIT || process.env.CI_COMMIT
+  repo =
+    process.env.DRONE_REPO ||
+    process.env.CI_REPO ||
+    drone.getLegacyRepo(process.env);
+  sha = process.env.DRONE_COMMIT || process.env.CI_COMMIT;
   // DRONE_BUILD_EVENT available in drone > v0.5
   // DRONE_EVENT, CI_EVENT available in drone < v0.5
   // no EVENT available in drone < v0.4
-  event = process.env.DRONE_BUILD_EVENT || process.env.DRONE_EVENT || process.env.CI_EVENT || 'push'
-  commit_message = '' // drone does not expose commit message
-  pull_request_number = process.env.DRONE_PULL_REQUEST
-  branch = process.env.DRONE_BRANCH || process.env.CI_BRANCH
-  ci = 'drone'
-} else if (process.env.GITLAB_CI){
+  event =
+    process.env.DRONE_BUILD_EVENT ||
+    process.env.DRONE_EVENT ||
+    process.env.CI_EVENT ||
+    'push';
+  commit_message = ''; // drone does not expose commit message
+  pull_request_number = process.env.DRONE_PULL_REQUEST;
+  branch = process.env.DRONE_BRANCH || process.env.CI_BRANCH;
+  ci = 'drone';
+} else if (process.env.GITLAB_CI) {
   // Reference: https://docs.gitlab.com/ee/ci/variables/predefined_variables.html
   // except buildUrl we get all the other variables for gitlab CI
-  repo = process.env.CI_PROJECT_PATH
-  branch = process.env.CI_COMMIT_REF_NAME
-  commit_message = process.env.CI_COMMIT_MESSAGE
-  pull_request_number = (process.env.CI_MERGE_REQUEST_ID || '') // no pull request numnber in case the CI is run for the branch without a pull request
-  sha=process.env.CI_COMMIT_SHA
-  event = process.env.CI_PIPELINE_SOURCE
-  jobUrl = process.env.CI_JOB_URL
-  platform = 'gitlab'
-  ci = 'gitlab'
+  repo = process.env.CI_PROJECT_PATH;
+  branch = process.env.CI_COMMIT_REF_NAME;
+  commit_message = process.env.CI_COMMIT_MESSAGE;
+  pull_request_number = process.env.CI_MERGE_REQUEST_ID || ''; // no pull request numnber in case the CI is run for the branch without a pull request
+  sha = process.env.CI_COMMIT_SHA;
+  event = process.env.CI_PIPELINE_SOURCE;
+  jobUrl = process.env.CI_JOB_URL;
+  platform = 'gitlab';
+  ci = 'gitlab';
 } else if (process.env.CI_NAME === 'codeship') {
   // Reference: https://documentation.codeship.com/basic/builds-and-configuration/set-environment-variables/#default-environment-variables
 
-  repo = process.env.CI_REPO_NAME
-  branch = process.env.CI_BRANCH
-  commit_message = process.env.CI_COMMIT_MESSAGE || process.env.CI_MESSAGE
+  repo = process.env.CI_REPO_NAME;
+  branch = process.env.CI_BRANCH;
+  commit_message = process.env.CI_COMMIT_MESSAGE || process.env.CI_MESSAGE;
 
-  event = 'push'
-  pull_request_number = process.env.CI_PR_NUMBER
-  sha=process.env.CI_COMMIT_ID,
-  buildUrl=process.env.CI_BUILD_URL
+  event = 'push';
+  pull_request_number = process.env.CI_PR_NUMBER;
+  (sha = process.env.CI_COMMIT_ID), (buildUrl = process.env.CI_BUILD_URL);
 
-  ci = 'codeship'
+  ci = 'codeship';
 } else if (process.env.GITHUB_ACTION) {
   // GitHub Actions
   // Reference: https://developer.github.com/actions/creating-github-actions/accessing-the-runtime-environment/
-  
+
   // for pull_request event, GITHUB_REF is of the form refs/pull/<pull_request_number>/merge
   // for push event, GITHUB_REF is of the form refs/heads/<branch>
-  
-  const pull_request_numberORbranch=process.env.GITHUB_REF.split('/')[2];
-
-  repo = process.env.GITHUB_REPOSITORY
-  sha = process.env.GITHUB_SHA
-  event = process.env.GITHUB_EVENT_NAME
-  commit_message = ''
-  pull_request_number = event==='pull_request'? pull_request_numberORbranch:''
+
+  const pull_request_numberORbranch = process.env.GITHUB_REF.split('/')[2];
+
+  repo = process.env.GITHUB_REPOSITORY;
+  sha = process.env.GITHUB_SHA;
+  event = process.env.GITHUB_EVENT_NAME;
+  commit_message = '';
+  pull_request_number =
+    event === 'pull_request' ? pull_request_numberORbranch : '';
   // GITHUB_HEAD_REF for pull requests. For commits, GITHUB_REF is of the form refs/heads/master, for example
-  branch = event ==='pull_request'? process.env.GITHUB_HEAD_REF : pull_request_numberORbranch
-  ci = 'github_actions'
+  branch =
+    event === 'pull_request'
+      ? process.env.GITHUB_HEAD_REF
+      : pull_request_numberORbranch;
+  ci = 'github_actions';
 } else if (process.env.NETLIFY) {
   // Reference: https://www.netlify.com/docs/continuous-deployment/#environment-variables
-  repo = process.env.REPOSITORY_URL.split('@github.com/').pop()
-  event = process.env.PULL_REQUEST?'pull_request':'push'
-  pull_request_number = process.env.PULL_REQUEST?process.env.REVIEW_ID:''
-  sha = process.env.COMMIT_REF
-  branch = process.env.HEAD
-  ci = 'netlify'
+  repo = process.env.REPOSITORY_URL.split('@github.com/').pop();
+  event = process.env.PULL_REQUEST ? 'pull_request' : 'push';
+  pull_request_number = process.env.PULL_REQUEST ? process.env.REVIEW_ID : '';
+  sha = process.env.COMMIT_REF;
+  branch = process.env.HEAD;
+  ci = 'netlify';
 } else if (process.env.NOW_GITHUB_ORG) {
   // Reference: https://zeit.co/docs/v2/advanced/now-for-github/
-  repo = process.env.NOW_GITHUB_ORG + '/' + process.env.NOW_GITHUB_REPO
-  event = 'push'
-  pull_request_number = ''
-  sha = process.env.NOW_GITHUB_COMMIT_SHA
-  branch = process.env.NOW_GITHUB_COMMIT_REF
-  ci = 'now'
+  repo = process.env.NOW_GITHUB_ORG + '/' + process.env.NOW_GITHUB_REPO;
+  event = 'push';
+  pull_request_number = '';
+  sha = process.env.NOW_GITHUB_COMMIT_SHA;
+  branch = process.env.NOW_GITHUB_COMMIT_REF;
+  ci = 'now';
 } else if (process.env.CI) {
   // Generic variables for docker images, custom CI builds, etc.
 
-  repo = process.env.CI_REPO_OWNER + '/' + process.env.CI_REPO_NAME
-
-  sha = process.env.CI_COMMIT_SHA
-  event = process.env.CI_EVENT || 'push'
-  commit_message = process.env.CI_COMMIT_MESSAGE
-  pull_request_number = process.env.CI_MERGE_REQUEST_ID
-  branch = process.env.CI_BRANCH
-  ci = 'custom'
+  platform = process.env.CI_PLATFORM;
+  repo = process.env.CI_REPO_OWNER + '/' + process.env.CI_REPO_NAME;
+  sha = process.env.CI_COMMIT_SHA;
+  event = process.env.CI_EVENT || 'push';
+  commit_message = process.env.CI_COMMIT_MESSAGE;
+  pull_request_number = process.env.CI_MERGE_REQUEST_ID;
+  branch = process.env.CI_BRANCH;
+  ci = process.env.CI;
 }
 
-module.exports = { repo, sha, event, commit_message, branch, pull_request_number, ci, platform, jobUrl, buildUrl }
+module.exports = {
+  repo,
+  sha,
+  event,
+  commit_message,
+  branch,
+  pull_request_number,
+  ci,
+  platform,
+  jobUrl,
+  buildUrl,
+};