ts-quiz— ~/quiz/levels.ts
tsc --watch● loading…
// tsc --watch · type-checking modules…
await load("quiz/levels.ts")
// streaming server components
◇ tsc 6.0.3 · compiling…UTF-8◇ scanning levels…
val is string mean in the return type?function isString(val: unknown): val is string {
return typeof val === "string";
}
function process(input: unknown) {
if (isString(input)) {
console.log(input.toUpperCase());
}
}