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TypeScript best practices: types, errors and modules v1.0.0

Use this resource to write typed and maintainable TypeScript

New

  • 432 downloads
  • 197 likes
  • 246 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install typescript-best-practices-rule

First time: connect the CLI with

npx --yes palatekit@latest login

Cursor applies these basic rules: interfaces for object shapes, unknown instead of any, strict mode, readonly properties, discriminated unions, type guards, explicit return types on public functions and custom error types.

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Updated November 2, 2026

Card for “TypeScript best practices: types, errors and modules”

Details

Works in
Install guides
Generates with
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Licence
CC0-1.0

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What you get

  • The .mdc file (in English): typing, naming and code organization rules
  • Guidelines on error handling and null values

Good fit for

  • A TypeScript project with no written rules
  • A codebase where any is spreading

Not for

    Tags

    • typescript
    • types
    • strict
    • best practices

    About

    You say

    “Replace these any types with precise types in this module.”

    Card for “TypeScript best practices: types, errors and modules”

    Rule published by PatrickJS under the CC0-1.0 license, delivered in its original version.

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    How to use it

    1. Copy the .mdc file into your project's .cursor/rules/ folder
    2. Ask Cursor to write typed and maintainable TypeScript
    3. Adjust the rule to your conventions

    Content preview

    Files

    • LICENSE6.5 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • typescript-best-practices-rule.mdc2.1 KB

    Origin and licence

    Listed unmodified

    Author
    PatrickJS
    Source
    github.com/PatrickJS/awesome-cursorrules/blob/b044f956f021b6e8877f16781bcfc466a6a120e9/rules/typescript.mdc
    Licence
    CC0-1.0

    Notice

    « typescript » (PatrickJS, CC0-1.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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