tinyhttp / tinyhttp / 25975600831

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refactor(dotenv): mirror motdotla/dotenv parser rewrite (#501)

* refactor(dotenv): mirror motdotla/dotenv parser rewrite

Replace the polynomial-time line-by-line regex with the upstream
single multiline LINE regex used since dotenv v16. Eliminates the
ReDoS-style code scanning alert and brings parity for export prefix,
backtick quotes, inline comments, and \r escape expansion.

Also adds override and processEnv config options, and a
__proto__/constructor/prototype guard in parse().

* chore: changeset

* test(dotenv): cover override-debug log and read-error debug log

Brings branch coverage on packages/dotenv/src/index.ts back to 100%.

994 of 1014 branches covered (98.03%)

Branch coverage included in aggregate %.

19 of 19 new or added lines in 1 file covered. (100.0%)

1314 of 1319 relevant lines covered (99.62%)

172.96 hits per line