Type Gymnastics

Collection of wonderful TypeScript type gymnastics code snippets.

📚 Overview List

Better querySelector by Pig Fang - More intelligent querySelector by parsing your given CSS selector. Also refer to a formal project: typed-query-selector.
C-printf Parser by Pig Fang - Parse placeholders like %d and %s for a printf format string.
Integers Comparator by Pig Fang - Compare two integers that can be positive or negative or zero.
Query String Parser by Pig Fang - Parse URL query string into an object literal type.
Spec-compliant HTML Parser by Pig Fang - An HTML parser conforms WHATWG HTML Standard (may not be fully).
Tuple Slice by Pig Fang - Array#slice implementation at type level.
URL Parser by Pig Fang - Parse a URL into an object literal type with each component of the URL.
Pinia by Pig Fang - Type-level function which is similar to Pinia.

🔍 View Source Code

All the source code are under src directory.

It's recommended to view them locally with these steps:

Make sure you've installed Git, Node.js and Visual Studio Code.
Clone this repository with Git.
Run npm i or yarn to install TypeScript.
Open this repository in Visual Studio Code.
Enjoy it!

📝 Contributing

Create a new empty directory under src directory and give it a descriptive and short name, then put your source code in it. Also, please consider adding some tests.

Optionally, you can put a readme in that directory to introduce your code in detail.

Last, please update the "Overview List" section of this readme to add a new item for your code with brief.

We assume your code published under MIT License.

🍻 Related

Type Challenges

📜 License

MIT License