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Monaco Input

beta:  2.18.0 Coverage: 100.00% Bundle: 3440.52kb Lighthouse: 100 Axe Core Released: 0.0.0
Overview API

An input control for editing JSON, YAML and code with syntax highlighting and validation.

Installation

CLI / MCP / CDN

Optional Features

Code input with optional features: line numbers, code folding, minimap, and side-by-side layout

Read Only

Read-only code input for displaying non-editable source code

Disabled

Disabled code input preventing user interaction

JSON Schema Validation

JSON input with schema validation that blocks form submission on validation errors

JSON schema validation errors will prevent form submission Submit

TypeScript Validation

TypeScript input with real-time type checking that blocks form submission on type errors

TypeScript validation errors will prevent form submission Submit

Release Status

All elements and features go through 3 phases of stability, pre-release, beta and stable.

pre-release
Docs Preview API Documentation Fully Themeable
beta
Robust unit test coverages Passed API Review Passed Designer VQA Review Included in library package
stable
No known outstanding AA WCAG issues No known outstanding performance issues Adapts to different screen/container sizes No breaking API changes for at least 90 days
Getting Started Overview Installation CLI MCP Skills Lint What’s New GitHub Patterns Overview Agent Authentication Browse Chat Code Dashboard Editor Empty States Heatmap Keyboard Shortcut Logging Media Navigation Onboarding Panel Responsive Search Subheader Trend Elements Overview Accordion Alert Avatar Badge Breadcrumb Button Button Group Card Chat Message Checkbox Codeblock Color Combobox Copy Button Datagrid Getting Started Integrations Column Action Column Alignment Column Fixed Column width Container Card Display Settings Footer Heatmap Keynav Multi Select Pagination Panel Detail Panel Grid Performance Placeholder Row Action Row Groups Row Sort Scroll Height Single Select Stripe Date Datetime Dialog Divider Dot Drag Handle Drawer Dropdown Dropdown Group Dropzone File Format Bytes Datetime Number Relative Time Truncate Forms Getting Started Validation Actions Control Gauge Icon Icon Button Iframe Input Input Group Logo Markdown Markdown CSS Media Controller Pause Button Playback Rate Select Loop Button Mute Button Media PiP Button Seek Button Time Range Volume Range Full-screen Button Menu Month Monaco Input Diff Input Monaco Editor Diff Editor Problems Notification Page Page Header Page Loader Pagination Progressive Filter Chip Progress Bar Progress Dot Progress Ring Password Preferences Input Pulse Radio Range Resize Handle Search Select Skeleton Sort Button Sparkline Star Rating Steps Switch Tabs Tag Textarea Time Toast Toggletip Toolbar Tooltip Tree Viewport Viewport Gridlines Minimap Zoom Range Week Foundations Overview Typography Iconography Themes Design Tokens Size & Space Objects Interactions Support Status Color Animation Fonts Layers Custom Layout Horizontal Vertical Grid Popovers i18n Visualization View Transitions DESIGN.md Integrations Getting Started Angular Bundles CDN Custom Elements Eleventy Golang HTMX + Go Hugo Import Maps Lit Lit Library MCP Apps NextJS Nuxt Pi Preact React SolidJS Sphinx Svelte TypeScript Vue About What’s New Changelog Metrics Support Accessibility Contributions Requests Migration Sitemap Labs Responsive Layout Viewport Container Patterns Forms Internal API Design Guidelines Properties & Attributes Slots Registration CustomEvents Stateless Composition Styles Packaging Glossary Logs Guidelines Agent Harness Agent Tooling Agent Ownership Documentation Examples TypeScript Testing Unit Testing Accessibility Testing Lighthouse Testing SSR Testing Visual Testing Troubleshooting Component Creation Examples All Examples