Build high-performance VueJS user interfaces (SPA, PWA, SSR, Mobile and Desktop) in record time. ALWAYS use when writing code importing "quasar". Consult for debugging, best practices, or modifying quasar.

Quasar quasar@2.33.1 Vue 3 UI framework for SPA, PWA, SSR, SSG, mobile (Cordova/Capacitor) and desktop (Electron) apps from one codebase. Vue 3 only. ESM package, Node = 22 ( package.json:102 104 ). Baseline for this Skill: quasar 2.33.1 (2026 09 22). First: read the docs shipped in the installed package Quasar 2.33+ bundles its documentation offline. Before guessing an API, look inside the project's node modules/quasar : dist/api/<Name .json — props, slots, events, methods of every component, plugin and directive, with addedIn version markers. This is the ground truth. dist/mcp/ / .md — the quasar.dev pages (components, plugins, directives, composables, utils, styling, layout) as Markdown; dist/mcp/api/<Name .md holds the same API in compact readable form. dist/mcp/meta.json (160 pages, version: 2.33.1 ) indexes them all. @quasar/mcp MCP server serves the same docs to MCP capable agents. Details and search commands: [references/offline docs.md](./references/offline docs.md) Package map Entry Path Notes browser ESM dist/quasar.client.js default import target node/server dist/quasar.server.prod.js what Node/Vitest resolve without the Vite plugin UMD dist/quasar.umd.prod.js CDN usage with Vue 3 global build types dist/types/index.d.ts wrappers wrappers/index.js no op typings, deprecated; use q app/wrappers ( wrappers/index.js:9 16 ) lang packs lang/ .js (75) import langDe from 'quasar/lang/de' icon sets icon set/ .js (44) import iconSet from 'quasar/icon set/material icons' Full export surface (components, plugins, directives, composables, utils): [references/api surface.md](./references/api surface.md) Common tasks Install with the Vite plugin ( @quasar/vite plugin v2 needs Vite 8+, @vitejs/plugin vue 6+, quasar v2.24+, Node 20.19+; ESM only; dist/mcp/start/vite plugin.md:10 ): Access $q in Composition API: Templates use kebab case props exactly as the API JSON lists them ( hide dropdown icon , no error icon ); two way props bind as v model:propName (the v1 .sync modifier is gone). Sass variables: quasar = 2.14 pairs with sass embedded@^1.93.2 ; quasar <= 2.13 needs sass@1.32.12 pinned ( dist/mcp/start/vite plugin.md:38 39 ). More on Vite, Vitest, Storybook, UMD and Quasar CLI: [references/installation.md](./references/installation.md) Best practices (verified against the 2.33.1 shipped docs) Prefer responsive CSS classes ( gt sm , lt md , window width visibility classes) over the Screen plugin in JS, for performance. Large QTree : no transition for big datasets; virtual scroll (v2.25+) for huge ones. Custom Dialog plugin components: bootstrap with useDialogPluginComponent ; bind @hide="onDialogHide" directly (v2.28+ forwards the dismissal reason). Prefer useInterval / useTimeout / useAnimationFrame over native timers; they auto cancel on unmount and are SSR safe no ops. SSR/SSG: avoid Dark mode 'auto' unless the server knows the preference (cookie), else users see a light flash. Use the LoadingBar plugin instead of a manual QAjaxBar . Validation for QInput : Quasar recommends Regle ( dist/mcp/vue components/input.md:2397 ). Quasar CLI projects: import wrappers from q app/wrappers , never quasar/wrappers . Full list with citations: [references/best practices.md](./references/best practices.md) Upgrading (2.20 2.33.1 highlights) v2.33.0: docs + compact API now ship inside the package (offline, exact version); pair with the @quasar/mcp server. Fixes: extractDate() matches the longest locale name; QTable rows per page selector follows a controlled v model:pagination ; virtual scroll scrollTo() no longer dropped right after a scroll event. v2.33.1: QPagination input mode clears the typed page on submit ( src/components/pagination/QPagination.js:290 292 ); textToRgb() keeps the alpha of rgb(R, G, B, A) ( src/utils/colors/colors.js:149 174 ). v2.28: QMenu / QTooltip lost the scroll target prop; popups track every scrolling container automatically. Platform.is dropped ie , edgeChromium , winphone , kindle , silk . v2.29: a @click listener on QItem / QChip now implies clickable . v2.31: readonly fields ( QInput / QSelect / QFile / QField ) now reflect focus and validate on blur. v2.32: QImg renders its <img into SSR HTML when the box shape is known ( ratio / initial ratio / height ); ssr prerender opts in otherwise. QExpansionItem / QTree no longer wrap content in QSlideTransition . Deprecated: QInput / QFile getNativeElement() use the nativeEl property ( dist/api/QInput.json ). No API was added in 2.33.x itself: no addedIn: v2.33 marker exists in dist/api/ .json . All behavior changes and new APIs, with release URLs: [references/whats new.md](./references/whats new.md) Security The html boolean props ( options html , display value html , html on Notify/Dialog/Loading) opt into rendering HTML and are an XSS surface: sanitize before enabling. QEditor has no sanitize option; strip <script / <iframe server side. Quasar CLI only exposes env variables with the QCLI prefix to client code. Checklist: [references/security.md](./references/security.md)

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