Validate JSON data with schemas, types, required fields, formats, composition, and API contracts.
Lessons
Produce TypeScript or other types from schemas.
Generating Types from Schema is easiest to learn by reading the example, changing it, and observing the result.
// Generate TypeScript types from a JSON Schema
// npx json-schema-to-typescript schema.json > types.ts
export interface Lesson {
slug: string;
title: string;
minutes?: number;
tags?: string[];
}Practice the Generating Types from Schema example in a small scratch file, then explain what changed and why.