Access Search Parameters in Next.js SSR'd Layout
Whilst replatforming an app, I came across this limitation in Next.js: you cannot (easily) access search parameters in an SSR layout. Here, I share my solution.
Articles
JavaScript, page 6 of 17
JavaScript is probably one of the most‑used programming languages in the world, and a cornerstone of front‑end (and more general) web development. It enables the development of interactivity and features that HTML and CSS alone simply cannot, and includes more advanced concepts like closures, callbacks, and asynchronous programming.
Below you will find a subset of articles from my blog specifically about JavaScript. This is an area that I have worked with for many years, and have managed to write about quite a few times. There are three hundred collected together for you below.
Access Search Parameters in Next.js SSR'd Layout. 
Flattening Arrays in JavaScript. Flattening Arrays in JavaScript
Flatten arrays in JavaScript with flat(), recursion, stacks, depth control, compatibility notes, and performance trade‑offs for nested data safely.
Unit Testing in Angular: Writing Effective Tests. Unit Testing in Angular: Writing Effective Tests
How to write effective Angular unit tests that focus on behaviour, TestBed boundaries, realistic setup, and assertions that survive refactoring over time.
Use JavaScript to Find the Week Day from a Date. Use JavaScript to Find the Week Day from a Date
Find the weekday from a JavaScript date with Date, UTC alternatives, modulo arithmetic, parsing caveats, daylight saving time, and readable day names.
Understanding Object Types with JavaScript's instanceof. Understanding Object Types with JavaScript's
instanceofUncover the differences between JavaScript's `instanceof` and `typeof` for type checking, with practical examples and insights on when to use each operator.
Implementing Authentication in Next.js Using NextAuth.js. Implementing Authentication in Next.js Using NextAuth.js
A practical guide to implementing authentication in Next.js with NextAuth.js, including sessions, callbacks, route protection, and router‑specific trade‑offs.
Reduce() in JavaScript. reduce()in JavaScriptUnderstand JavaScript reduce() with accumulator patterns, initial values, practical examples, readability trade‑offs, and when reduce() genuinely helps.
Creating Progressive Web Apps (PWAs) with Angular. Creating Progressive Web Apps (PWAs) with Angular
How to build a Progressive Web App with Angular, including service workers, caching, offline behaviour, installs, and the trade‑offs behind the defaults.
Object Equality in JavaScript: {} isn't Equal to {}. Object Equality in JavaScript:
{}isn't Equal to{}In JavaScript two empty objects are not equal. One of my go‑to interviewing questions, here I offer an explanation and strategies to compare object contents.
Pure Functions in JavaScript. Pure Functions in JavaScript
Pure functions make JavaScript easier to test, reason about, and reuse. This guide explains what purity means and why it matters in everyday code.
Understanding the Composition API in Vue 3. Understanding the Composition API in Vue 3
The Vue 3 Composition API explained with practical TypeScript examples, refs, composables, reactivity, and when the pattern genuinely helps larger components.
Angular Change Detection: How It Works and How to Optimise It. Angular Change Detection: How It Works and How to Optimise It
Angular change detection explained through zone triggers, OnPush, signals, template cost, manual checks, and practical rendering optimisation at scale.
Validating Parentheses Input Using TypeScript. Validating Parentheses Input Using TypeScript
Validate parentheses input in TypeScript with a stack, checking bracket order, matching pairs, real parser‑style use cases, and alternative approaches.
Leveraging .then() in Modern JavaScript. Leveraging
.then()in Modern JavaScript.then() still matters in modern JavaScript. This guide explains promise chaining, return values, and why Promise.prototype.then() remains useful.
Stopping Propagation vs. Preventing Default in JavaScript. Stopping Propagation vs. Preventing Default in JavaScript
Understanding `stopPropagation` and `preventDefault` is key to handling events in JavaScript. Here, I explore their differences and when to use each.
Solving the 'Letter Combinations of a Phone Number' Problem with TypeScript. Solving the 'Letter Combinations of a Phone Number' Problem with TypeScript
An exploration of solutions to the 'Letter Combinations of Phone Number' problem using front‑end and TypeScript: recursion, backtracking, and iteration.
Creating Custom Viewport Units Instead of Using vh and vw. Creating Custom Viewport Units Instead of Using
vhandvwCreate custom viewport units with CSS variables and JavaScript to avoid mobile 100vh bugs caused by browser chrome, keyboards, and visible height changes.
Introducing Seeded Randomisation into an SSR Gatsby Project. Introducing Seeded Randomisation into an SSR Gatsby Project
Add seeded randomisation to an SSR Gatsby project, keeping content order deterministic across builds while still rotating destination‑style content.