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The Typescript Tome

Welcome! The Typescript Tome aims to be a comprehensive guide on TypeScript features, pitfalls, tooling and more.

This is a community effort, so feel free to contribute or point out issues.

(Disclaimer: This repository currently lacks a license)

Quick Links

• If you have an issue with your code, check the list of common issues to see if it’s there.
• The syntax cheatsheet is a list of all syntax constructs, linking to the appropriate pages in the language reference.
• The glossary is a list of all terms.
• The quick tips page lists tips that help make your typings more idiomatic.
• The grimoire covers some advanced TypeScript behavior, like interactions between multiple features.
• The bestiary contains advanced TypeScript helper types, and other advanced constructs.

Other Resources

• The Typescript Handbook contains a comprehensive reference on most important features. It also contains introductory guides for beginners and people from many programming backgrounds.
  • However, it tends to be missing features from recent TypeScript releases.
• The Mozilla Developer Network’s JavaScript reference has comprehensive descriptions, common pitfalls, examples, and compatibility information for the entire standard library and many web APIs.
  • It also has a guide covering most language features and many builtin objects.

Link Conventions

• Links on phrases generally link to other pages in this guide.
• Links on the syntax cheatsheet generally link to individual sub-pages.
• Links to the official Typescript repository generally follow the format <type>#<id>.
  • The types are:
    • p - pull request
    • pc - comment on a pull request
    • i - issue
    • ic - comment on an issue
    • pj - project
• Other external domains are generally denoted by an abbreviation:
  • HB: The TypeScript Handbook
  • MDN: The Mozilla Developer Network
  • WP: Wikipedia
  • SO: Stack Overflow

Index