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The complete guide to Working With Strings in Modern JavaScriptThis guide is intended to cover everything you need to know about creating, manipulating and comparing strings in JavaScript.
CSS-in-JS has taken a solid place in front-end tooling, and it seems this trend will continue in the near future. Especially in the React world. For example, out of 11492 people who participate in State of CSS survey in 2020 only 14.3% didn’t hear of Styled Components (a dominant CSS-in-JS library). And more than 40% of participants have used the library. I wanted to see an in-depth performance co
A bunch of new developer tools have landed in the past year and they are biting at the heels of the tools that have dominated front-end development over the last few years, including webpack, Babel, Rollup, Parcel, create-react-app. These new tools aren’t designed to perform the exact same function, and each has different things they’re trying to achieve and features to get there. Despite their di
Estrella is a lightweight and versatile build tool based on the fantastic esbuild TypeScript and JavaScript compiler. Rebuild automatically when source files change Build multiple projects at once, in parallel TypeScript diagnostics run in parallel TypeScript diagnostics are optional even for TypeScript projects Ability to remap TSXXXX TypeScript diagnostic severity levels, for example to treat so
An insane fast Javascript toolchain. WIP Kataw is a JavaScript toolchain that aim to unify functionality that has previously been separate tools. It features everything from low-level CST manipulation to tools like linting, code analyzes, transform, and minification. CST nodes CST keywords ESNext Diagnostics Diagnostic arguments Printing Ignore comment Linting Transformation Types Comments CST par
TL;DR When you have Jest as your test runner, passing the --maxWorkers=50% option will make the tests faster in most cases. For watch mode, use --maxWorkers=25%, and for CI disable Jest workers with --runInBand. You can experiment with the percentage and fine-tune for your particular setup. // package.json { "scripts": { // standalone Jest "test": "jest --maxWorkers=50%", "test:watch": "jest --wat
Storybook is the industry standard UI development workshop for components and pages. It's used by Netflix, Slack, Target, Shopify, Stripe, and thousands of teams around the world. As a modern frontend developer, you’re in a constant cat-and-mouse game to stay on top of ecosystem changes. Every Storybook release contains hundreds of adaptations to try to make that easier for you, whether you’re upg
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