Write precise TypeScript — generic constraints, conditional types, mapped types, template literal types, branded/nominal types, type narrowing, satisfies operator, and utility type composition. Use when asked about "TypeScript generics", "conditional type", "mapped type", "infer keyword", "branded t
Write precise TypeScript — generic constraints, conditional types, mapped types, template literal types, branded/nominal types, type narrowing, satisfies operator, and utility type composition. Use when asked about "TypeScript generics", "conditional type", "mapped type", "infer keyword", "branded type", "nominal typing", "template literal type", "satisfies", "utility types", "type narrowing", "di