fix(dotenv): handle single-quotes in values in stringify()

[emersonlaurentino]

Currently, stringify has a bug to parse JSON string.

Here is an example:

input { FOO: "{'key': 'value'}" }
input_stringify FOO='{\'key\': \'value\'}'
parsed_input { FOO: "{\\" }

After fix

input { FOO: "{'key': 'value'}" }
input_stringify FOO="{'key': 'value'}"
parsed_input { FOO: "{'key': 'value'}" }

Codebase to test

const input = { FOO: "{'key': 'value'}" };
const input_stringify = dotenv.stringify(input);
const parsed_input = dotenv.parse(input_stringify);

console.log("input", input);
console.log("input_stringify", input_stringify);
console.log("parsed_input", parsed_input);

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.26%. Comparing base (baa5086) to head (2d2e09b).
Report is 14 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5846   +/-   ##
=======================================
  Coverage   96.26%   96.26%           
=======================================
  Files         479      479           
  Lines       38763    38712   -51     
  Branches     5623     5619    -4     
=======================================
- Hits        37314    37268   -46     
+ Misses       1406     1401    -5     
  Partials       43       43           

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[iuioiua]

Nice. Thank you for your contribution!