Preserve Packages

Transform stream that allows you to run your transforms in parallel without changing the order

Converts a XML string into a human readable format (pretty print) while respecting the xml:space attribute

Comment-preserving JSON / JSON5 parser

edit json in-place

Split a string and preserve the delimiters.

Condense all string whitespace + options to preserve specific whitespace characters.

Preserve the entry file hashbang/shebang when bundling with Rollup

Slugs for Mongoose with history and i18n support (uses speakingurl by default, but you can use any slug library such as limax, slugify, mollusc, or slugme)

Preserve querystrings during redirect and creating new URLs for Node.js and browser environments (supports Lad, Koa, Express, and Connect)

Capture error stacks in asynchronous functions at the point of call.

stream.Transform with parallel transforms

Split a stream into lines that include their line terminator if they had one.

Preserve the result in a promise chain

Replace an array|object's content with the other one's while keeping the reference

Transform stream that allows you to run your transforms in parallel without changing the order

Preserves the presence or lack thereof of whitespace surrounding HTML comments.

Minify images

Copy files, directories and links in node cp -R

Preserve whitespace surrounding expressions in a template string.

Formats XML into a more readable format by inserting linebreaks and indents. Supports all element types (e.g. processing instructions) and also the xml:space attribute