Definitions on the left, real usage on the right. Update the type, the call site updates with you — no runtime guessing.
// Component type definitionsexport type ButtonVariant =| "default"| "outline"| "ghost"| "destructive";.export interface ButtonProps {variant?: ButtonVariant;size?: "sm" | "md" | "lg";loading?: boolean;onClick?: () => void;}
// Use the typed Button anywhereimport type { ButtonProps } from "./types";import { Button } from "./button";.const cta: ButtonProps = {variant: "outline",size: "md",loading: false,};.// Catches typos at compile timeconst danger: ButtonProps = {variant: "destructive",};
Browser-chrome card pairing two minimal code panes — TypeScript type definitions on the left, real call-site usage on the right. Monochrome syntax with muted comments. Every label is editable; no media props required.
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Browser-chrome card pairing two minimal code panes — same logic in two languages (TypeScript and Python by default). Monochrome syntax with muted comments and language badges. Every label is editable; no media props required.
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Browser-chrome card pairing two minimal code panes — GraphQL query on the left, mirrored JSON response on the right. Monochrome syntax with muted comments and a timing footer. Every label is editable; no media props required.
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Browser-chrome card pairing a typed query result table on the left with a syntax-highlighted code editor on the right — sortable columns, status-toned cells, row count footer. Every label is editable; no media props required.
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Browser-chrome card pairing a DevTools-style API inspector on the left with a syntax-highlighted code editor on the right — method badge, response body, timing footer. Every label is editable; no media props required.
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Browser-chrome card rendering a markdown source editor on the left and the rendered HTML on the right — minimal monochrome syntax markers, structured preview blocks (headings, paragraphs, lists, fenced code). Every label is editable; no media props required.