Refactor the code

[webNeat]

No description provided.

[lgtm-com]

This pull request introduces 1 alert when merging 9d6bd17 into 0b9e8b9 - view on LGTM.com

new alerts:

• 1 for Useless assignment to local variable

[coveralls]

Pull Request Test Coverage Report for Build 1940221968

• 163 of 178 (91.57%) changed or added relevant lines in 8 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.4%) to 90.377%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/sequence.ts	25	30	83.33%
src/key.ts	24	34	70.59%

Totals
Change from base Build 1900909712:	-0.4%
Covered Lines:	184
Relevant Lines:	200

---

💛 - Coveralls

[lgtm-com]

This pull request introduces 1 alert when merging ea2a6fb into 0b9e8b9 - view on LGTM.com

new alerts:

• 1 for Useless assignment to local variable

[coveralls]

Pull Request Test Coverage Report for Build 1940195186

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 163 of 178 (91.57%) changed or added relevant lines in 8 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.4%) to 90.377%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/sequence.ts	25	30	83.33%
src/key.ts	24	34	70.59%

Totals
Change from base Build 1900909712:	-0.4%
Covered Lines:	184
Relevant Lines:	200

---

💛 - Coveralls