Tech Takes

Overcoming Challenges with TypeScript At RapidCanvas

May 17, 2024


Web development has become the foundation of our digital world, shaping how we interact, transact, and communicate in the modern era. With rapidly evolving technology, agility and adaptability has become important driving the need for robust solutions which can deliver seamless user experiences across various devices and platforms. To create scalable applications, it has become a necessity for developers to build more reliable, maintainable, and bug-free code. 

Against such challenges, TypeScript has emerged as a powerful ally with its static typing and enhanced tooling. It helps developers to catch bugs early in the development process, ultimately leading to more stable and maintainable codebases.

Understanding TypeScript

TypeScript is a superset of JavaScript. It adds optional static typing to the language meaning developers can define types for variables, function parameters and return values. This additional layer of type checking ensures that potential errors are caught early in the development process, saving both time and effort.

How does TypeScript Help

  • Catching Errors at Compile Time

One of the primary benefits of TypeScript is its ability to catch errors at compile time. Traditional JavaScript is dynamically typed, meaning variable types are determined at runtime, which can lead to unexpected behavior and difficult-to-debug issues. TypeScript's static typing shifts this process to compile time, where type errors are identified and flagged before the code ever runs.

Consider a simple example:

In this snippet, TypeScript catches the error of passing a number instead of a string to the greet function at compile time, preventing a potential runtime error.

  • Enhancing Code Readability and Maintainability

By incorporating type annotations directly into the codebase, TypeScript improves code readability and maintainability. Types serve as documentation, providing clear insights into the intended usage of functions, variables, and objects. This not only aids developers in understanding unfamiliar code but also reduces the likelihood of introducing errors during maintenance or refactoring.

  • Tackling Null and Undefined

In JavaScript development, null and undefined are widely known for causing trouble. These values can wreak havoc on the code if left unchecked. TypeScript introduces strict null checks, forcing developers to handle potential null and undefined values explicitly. 

  • Leveraging Tooling Support

TypeScript's strong typing enables powerful tooling support, including intelligent code editors and advanced IDE features. Editors like Visual Studio Code uses TypeScript's type system to offer features such as auto-completion, type inference, and inline error highlighting, significantly enhancing developer productivity and reducing the cognitive load of writing complex code.

How TypeScript Migration Made Life Better for Developers at RapidCanvas 


At RapidCanvas, we encountered numerous obstacles with our old JavaScript codebase, prompting us to adopt TypeScript. Without TypeScript, we faced frequent runtime errors, making it difficult to write maintainable, bug-free code. 


To tackle these challenges, we initiated a structured migration process.

  • Utilized the ts-migrate command from the  airbnb/ts-migrate package to automatically convert .js/.jsx files to .ts/.tsx.
  • Added essential packages to package.json, such as typescript, ts-loader, @typescript-eslint/parser etc.
  • Updated webpack.config.js to incorporate rules for .ts and .tsx files.
  • Created tsconfig.json to define TypeScript configuration settings.
  • Updated eslintrc.js for additional configuration.


The adoption of TypeScript yielded several benefits:

  • Enhanced Code Quality: The static type system helped reduce runtime bugs that make it to production.
  • Improved Maintainability: With clear type annotations, our codebase has become easier to read, understand, and refactor, facilitating smoother collaboration and onboarding of new team members.
  • Increased Productivity: Advanced editor support, including autocompletion and inline error checking, speeds up development and helps developers write code more efficiently.


TypeScript is a powerful static typing tool in modern web development. By detecting errors at compile time, enhancing code readability, and leveraging advanced tooling support, TypeScript empowers developers to write safer, more reliable code. Migrating to TypeScript has significantly transformed our development process at RapidCanvas. Our developers now enjoy greater productivity and confidence, focusing more on building innovative features and less on fixing preventable errors. So why wait? Start harnessing the power of TypeScript today and build error-resilient applications that stand the test of time.


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