Use while loop

[rohit2sharma95]

Closes #28

Although, it is a highly opinionated thing.

[codecov-commenter]

Codecov Report

Merging #29 (fd89f97) into master (6515792) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master       #29   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines           34        34           
=========================================
  Hits            34        34           

Impacted Files	Coverage Δ
src/index.js	100.00% <100.00%> (ø)

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