swap-case
Transform a string by swapping every character from upper to lower case, or lower to upper case
text-swap-case
Convert a text by swapping every character from upper to lower case, or lower to upper case
case-converters
A modern TypeScript utility to convert strings and object keys between various case styles like camelCase, snake_case, PascalCase, kebab-case, spongeCase, and more.
peek-stream
Transform stream that lets you peek the first line before deciding how to parse it
proxyquire
Proxies nodejs require in order to allow overriding dependencies during testing.