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Difference Between 'any,' 'unknown' and 'never' in TypeScript

Mar 28, 20224 min read

Notes from Effective TypeScript by Dan Vanderkam · Motivation Try as we might, we won't always know what a type should be at every given point in time....

Difference Between 'any,' 'unknown' and 'never' in TypeScript

How to Type a Complex JavaScript Array with Typescript

Mar 1, 20226 min read

Lessons from Effective Typescript - Prefer Incomplete Types to Inaccurate Types · ... it’s interesting that you can express something like “an array of...

How to Type a Complex JavaScript Array with Typescript

Making use of Mocking and Dependency Injection to get NestJs Tests Passing

Feb 23, 20228 min read

Continuation of Session IV of Building a Leetcode Contest Analyser · Recap I left off session IV with a PR I said I'd come back to. It had 4 failing...

Making use of Mocking and Dependency Injection to get NestJs Tests Passing

Taking on Tech Debt to Handle Failing Bi-Weekly NestJs Cron Tests

Feb 20, 20225 min read

Continuation of Session IV of Building a Leetcode Percentile Analyser II · Recap We ended the last session by getting our weekly cron tests passing. This...

Taking on Tech Debt to Handle Failing Bi-Weekly NestJs Cron Tests

Type Widening in TypeScript

Jan 31, 20224 min read

Notes from Effective TypeScript · What exactly is type widening? Type widening is the process by which the type checker assigns a type to a variable...

How to Use Type Operations and Generics to Avoid Repeating Yourself in the Type Space

Jan 17, 20227 min read

Notes from Effective Typescript · What are Type Operations We're familiar with popular Javascript operators such as + - += && ||[1]. Similar operators...