TypeScript

Resources / Skills

TypeScript Skill Overview

Welcome to the TypeScript Skill page. You can use this skill
template as is or customize it to fit your needs and environment.

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Description

TypeScript is a powerful programming language designed for front-end and back-end web application developers. It enhances JavaScript by adding static types, which help catch errors early and improve code quality. This makes coding and maintaining scalable web applications more efficient. TypeScript is particularly valuable in industries like eCommerce, SDKs and APIs, internal enterprise platforms, and developer tools, where robust and maintainable code is crucial. By providing features such as interfaces, classes, and type inference, TypeScript enables developers to build complex applications with greater confidence and fewer bugs. Its compatibility with existing JavaScript projects allows for seamless integration, making it an essential tool for modern web development.

Expected Behaviors

Fundamental Awareness
Individuals at this level have a basic understanding of TypeScript syntax and can set up a development environment. They can compile TypeScript to JavaScript and apply it in simple projects, demonstrating an initial grasp of the language's core concepts.
Novice
Novices can define and use interfaces, implement basic classes, and utilize enums for code readability. They are beginning to apply type assertions and guards, showing an ability to handle more structured TypeScript tasks with guidance.
Intermediate
Intermediate users work with generics for reusable components and integrate TypeScript into existing JavaScript projects. They handle asynchronous operations and configure compiler options, indicating a growing independence and problem-solving capability.
Advanced
Advanced practitioners manage complex type definitions and leverage features like decorators. They optimize TypeScript code for performance and build large-scale applications, demonstrating a deep understanding and strategic approach to TypeScript development.
Expert
Experts design robust TypeScript libraries and contribute to open-source projects. They mentor teams in best practices and innovate with TypeScript in cutting-edge technologies, showcasing leadership and a visionary approach to the language's application.

Micro Skills

Fundamental Awareness16 micro skills • 1 months work experience

Identifying TypeScript primitive types: string, number, boolean

Using 'any' type for dynamic content

Declaring variables with 'let', 'const', and 'var'

Understanding type inference in TypeScript

Installing Node.js and npm

Installing TypeScript globally using npm

Creating a tsconfig.json file for project configuration

Setting up a basic project structure with TypeScript

Using the TypeScript compiler (tsc) from the command line

Configuring output directory for compiled JavaScript files

Understanding source maps for debugging

Automating compilation with watch mode

Creating a basic HTML page to include compiled JavaScript

Writing a simple TypeScript function and compiling it

Linking compiled JavaScript to an HTML file

Testing TypeScript code in a web browser

Novice20 micro skills • 3 months work experience

Understanding the purpose of interfaces in TypeScript

Creating simple interfaces to define object shapes

Extending interfaces to create complex types

Implementing interfaces in classes

Using optional properties and readonly modifiers in interfaces

Defining a class with properties and methods

Creating class instances and accessing their members

Understanding the concept of inheritance in TypeScript

Extending classes to inherit properties and methods

Overriding methods in derived classes

Defining numeric and string enums

Using enums to represent a set of named constants

Accessing enum values and names

Understanding reverse mapping in numeric enums

Applying const enums for performance optimization

Understanding the need for type assertions

Using the 'as' syntax for type assertions

Applying angle-bracket syntax for type assertions

Implementing type guards with 'typeof' and 'instanceof'

Creating custom type guard functions

Intermediate20 micro skills • 6 months work experience

Understanding the concept of generics in TypeScript

Defining generic functions and classes

Using generic constraints to enforce type safety

Implementing generic interfaces and type aliases

Applying generics in real-world scenarios

Setting up a TypeScript configuration for JavaScript projects

Gradually migrating JavaScript files to TypeScript

Handling third-party JavaScript libraries in TypeScript

Using declaration files to describe JavaScript modules

Debugging mixed TypeScript and JavaScript codebases

Using async/await syntax in TypeScript

Working with Promises and their types

Managing asynchronous errors with try/catch

Implementing asynchronous iterators and generators

Optimizing asynchronous code for performance

Understanding the TypeScript configuration file (tsconfig.json)

Setting compiler options for development and production

Configuring module resolution strategies

Enabling strict type-checking options

Customizing output directory and file structure

Advanced16 micro skills • 12 months work experience

Defining union and intersection types for flexible data structures

Utilizing mapped types for dynamic type transformations

Implementing conditional types for advanced type logic

Leveraging utility types to simplify complex type manipulations

Understanding the decorator pattern and its use cases

Creating custom class decorators for metadata management

Applying method decorators for logging and validation

Using property decorators to enhance data binding

Analyzing and reducing TypeScript compile times

Implementing lazy loading and code splitting strategies

Profiling and optimizing TypeScript code execution

Minimizing type-checking overhead in large projects

Structuring TypeScript projects for scalability and maintainability

Implementing module resolution strategies for efficient imports

Managing dependencies and versioning in TypeScript projects

Utilizing monorepos for organizing large TypeScript codebases

Expert20 micro skills • 24 months work experience

Identifying common patterns and abstractions in TypeScript

Implementing modular architecture for scalability

Ensuring type safety across library interfaces

Utilizing TypeScript's module resolution strategies

Creating comprehensive documentation for library users

Understanding the contribution guidelines of TypeScript projects

Setting up a local development environment for TypeScript projects

Submitting pull requests with meaningful changes

Reviewing and providing feedback on other contributors' code

Engaging with the community through forums and discussions

Conducting workshops and training sessions on TypeScript

Developing coding standards and guidelines for TypeScript projects

Providing code reviews with constructive feedback

Facilitating knowledge sharing sessions within the team

Encouraging the adoption of new TypeScript features and tools

Exploring integration of TypeScript with modern frameworks like React and Angular

Experimenting with TypeScript in serverless architectures

Utilizing TypeScript in progressive web applications (PWAs)

Implementing real-time data processing with TypeScript

Researching and applying TypeScript in emerging technologies like WebAssembly

Tech Experts

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