How do I install the Ionic Expert skill?

Run npx skillmds@latest add leoyeai-openclaw-master-skills/ionic-expert in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Ionic Expert skill do?

A comprehensive starting point for AI agents to work with the Ionic Framework. Covers core concepts, components, CLI, theming, layout, lifecycle, navigation, and framework-specific patterns for Angular, React, and Vue. Pair with the other Ionic skills in this collection for deeper topic-specific guidance like app creation, framework integration, and upgrades. It is listed under Web & Frontend on SkillMD.

Is Ionic Expert safe to use?

This skill has not completed SkillMD's automated safety review yet. Capability flags: makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Ionic Expert?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Ionic Expert free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Ionic Expert?

LeoYeAI (@leoyeai-openclaw-master-skills) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Ionic Expert by leoyeai-openclaw-master-skills

Name: Ionic Expert
Rating: 4.2 (5 reviews)
Author: LeoYeAI

Ionic Expert

Comprehensive reference for Ionic Framework development — core concepts, components, theming, lifecycle, navigation, framework-specific patterns (Angular, React, Vue), upgrading, and Capawesome Cloud integration.

Core Concepts

Ionic Framework is a UI toolkit for building cross-platform apps with web technologies. It provides 80+ pre-built UI components as Web Components prefixed with ion- (e.g., <ion-button>, <ion-content>).

Platform modes: Components adapt styling to the platform. iOS devices use ios mode; Android and all other platforms use md (Material Design). The <html> element receives a class (ios or md).
Capacitor integration: Ionic handles the UI; Capacitor handles native device APIs. See the capacitor-app-development skill for Capacitor guidance.
Framework support: Ionic integrates with Angular (@ionic/angular), React (@ionic/react), and Vue (@ionic/vue).

Creating a New App

npm install -g @ionic/cli
ionic start <name> <template> --type=<framework> --capacitor --package-id=<id>

`--type` value	Framework
`angular`	Angular (NgModules)
`angular-standalone`	Angular (Standalone Components)
`react`	React
`vue`	Vue

Template	Description
`blank`	Empty project, single page
`tabs`	Tab-based layout
`sidemenu`	Side menu layout

For details, see ionic-app-creation.

Ionic CLI

Run ionic --help for the full and always up-to-date command list.

Command	Description
`ionic start`	Scaffold a new Ionic project.
`ionic serve`	Start a local dev server with live reload (port 8100).
`ionic build`	Build the web app for production.
`ionic generate`	Generate pages, components, services (framework-dependent).
`ionic info`	Print system/environment info.
`ionic repair`	Remove and recreate dependencies and platform files.

Useful ionic serve flags: --external (all network interfaces), --port=<port>, --prod, --no-open.

Components Overview

Ionic provides 80+ UI components organized by category. For full API reference (properties, events, methods, slots, CSS custom properties), see the linked reference files.

Layout

ion-app (root container), ion-content (scrollable area), ion-header, ion-footer, ion-toolbar, ion-title, ion-buttons, ion-back-button, ion-grid/ion-row/ion-col, ion-split-pane.

Key usage:

<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button defaultHref="/home"></ion-back-button>
    </ion-buttons>
    <ion-title>Page Title</ion-title>
  </ion-toolbar>
</ion-header>
<ion-content>
  <!-- Scrollable content -->
</ion-content>

For details, see components-layout.md.

Navigation

ion-tabs, ion-tab-bar, ion-tab-button, ion-menu, ion-menu-button, ion-menu-toggle, ion-router-outlet, ion-nav, ion-breadcrumbs.

For details, see components-navigation.md.

Form

ion-input, ion-textarea, ion-select/ion-select-option, ion-checkbox, ion-toggle, ion-radio/ion-radio-group, ion-range, ion-datetime/ion-datetime-button, ion-searchbar, ion-segment/ion-segment-button, ion-input-otp.

Key properties shared by most form components: label, labelPlacement (floating, stacked, fixed, start), fill (outline, solid), errorText, helperText, disabled, value, placeholder.

Key events:

ionInput — fires on each keystroke (use for ion-input/ion-textarea).
ionChange — fires when value is committed (use for ion-select, ion-toggle, ion-checkbox, ion-range).

<ion-input label="Email" labelPlacement="floating" fill="outline"
           type="email" placeholder="you@example.com"
           errorText="Invalid email" helperText="Enter your email">
</ion-input>

<ion-select label="Country" labelPlacement="floating" fill="outline" interface="popover">
  <ion-select-option value="us">United States</ion-select-option>
  <ion-select-option value="de">Germany</ion-select-option>
</ion-select>

For details, see components-form.md.

Overlays

ion-modal, ion-alert, ion-toast, ion-action-sheet, ion-loading, ion-popover.

All overlays share: isOpen prop for declarative control, trigger prop to open from a button ID, backdropDismiss, animated, and lifecycle events (didPresent, didDismiss, willPresent, willDismiss).

Sheet modal (bottom sheet):

<ion-modal [isOpen]="isOpen" [breakpoints]="[0, 0.5, 1]" [initialBreakpoint]="0.5" [handle]="true">
  <ion-content>Sheet content</ion-content>
</ion-modal>

For details, see components-overlay.md.

Data Display

ion-list, ion-item, ion-item-sliding/ion-item-options/ion-item-option, ion-card/ion-card-header/ion-card-content, ion-accordion/ion-accordion-group, ion-chip, ion-badge, ion-label, ion-note.

For details, see components-data-display.md.

Scroll

ion-refresher/ion-refresher-content (pull-to-refresh), ion-infinite-scroll/ion-infinite-scroll-content, ion-reorder-group/ion-reorder.

For details, see components-scroll.md.

Actions & Media

ion-button, ion-fab/ion-fab-button, ion-icon, ion-avatar, ion-thumbnail, ion-spinner, ion-skeleton-text, ion-progress-bar.

For details, see components-action.md and components-media.md.

Theming

Colors

Nine default colors: primary, secondary, tertiary, success, warning, danger, light, medium, dark. Apply via the color attribute:

<ion-button color="primary">Save</ion-button>
<ion-button color="danger">Delete</ion-button>

Customize a color by overriding all six CSS variables in :root:

:root {
  --ion-color-primary: #3880ff;
  --ion-color-primary-rgb: 56, 128, 255;
  --ion-color-primary-contrast: #ffffff;
  --ion-color-primary-contrast-rgb: 255, 255, 255;
  --ion-color-primary-shade: #3171e0;
  --ion-color-primary-tint: #4c8dff;
}

Global CSS Variables

Key variables: --ion-background-color, --ion-text-color, --ion-font-family, --ion-safe-area-top/right/bottom/left, --ion-margin, --ion-padding.

Dark Mode

Three approaches (import from @ionic/angular/css/, @ionic/react/css/, or @ionic/vue/css/):

System preference (default): @import '@ionic/<framework>/css/palettes/dark.system.css';
Always dark: @import '@ionic/<framework>/css/palettes/dark.always.css';
CSS class toggle: @import '@ionic/<framework>/css/palettes/dark.class.css'; then add .ion-palette-dark to <html>.

Platform Styles

Target platform-specific styles in CSS using the mode class on <html>:

.ios ion-toolbar { --background: #f8f8f8; }
.md ion-toolbar { --background: #ffffff; }

Preview a specific mode in the browser: http://localhost:8100/?ionic:mode=ios

Layout

Grid System

12-column flexbox grid: ion-grid, ion-row, ion-col. Columns expand evenly unless size (1-12) is specified.

Breakpoint	Min Width	Property Suffix
`xs`	0	`Xs`
`sm`	576px	`Sm`
`md`	768px	`Md`
`lg`	992px	`Lg`
`xl`	1200px	`Xl`

CSS Utility Classes

Padding: .ion-padding, .ion-padding-top/bottom/start/end, .ion-no-padding
Margin: .ion-margin, .ion-margin-top/bottom/start/end, .ion-no-margin
Text: .ion-text-center, .ion-text-start, .ion-text-end, .ion-text-wrap, .ion-text-nowrap
Display: .ion-display-none, .ion-display-block, .ion-display-flex
Flex: .ion-justify-content-center, .ion-align-items-center, .ion-flex-row, .ion-flex-column

All utility classes support responsive suffixes: .ion-text-md-center (applies at 768px+).

Page Lifecycle

Ionic provides four lifecycle hooks that fire during page transitions. These exist because ion-router-outlet caches pages in the DOM — framework-native lifecycle hooks (ngOnInit, useEffect, onMounted) only fire once on first creation, not on every page visit.

Hook	Fires When	Use For
`ionViewWillEnter`	Page about to enter (pre-animation)	Refresh data on every visit
`ionViewDidEnter`	Page fully entered (post-animation)	Start animations, focus inputs
`ionViewWillLeave`	Page about to leave (pre-animation)	Save state, pause subscriptions
`ionViewDidLeave`	Page fully left (post-animation)	Clean up off-screen resources

Critical rules:

Only fire on components directly mapped to a route via ion-router-outlet.
Child components do not receive these events.
The component must use the framework-specific page wrapper (see framework sections below).

Framework-Specific Patterns

Angular

For full details, see ionic-angular.

Detect architecture: Check src/main.ts for bootstrapApplication (standalone) vs platformBrowserDynamic().bootstrapModule (NgModule).

Aspect	Standalone	NgModule
Ionic setup	`provideIonicAngular({})` in `app.config.ts`	`IonicModule.forRoot()` in `app.module.ts`
Component imports	Each from `@ionic/angular/standalone`	`IonicModule` provides all globally
Lazy loading	`loadComponent` in routes	`loadChildren` in routes
Icons	`addIcons()` from `ionicons` required	Automatic

Navigation: Use NavController from @ionic/angular for animated navigation (navigateForward, navigateBack, navigateRoot, back). Use routerLink with routerDirection in templates.

Lifecycle: Implement interfaces ViewWillEnter, ViewDidEnter, ViewWillLeave, ViewDidLeave from @ionic/angular:

import { ViewWillEnter } from '@ionic/angular';

@Component({ /* ... */ })
export class HomePage implements ViewWillEnter {
  ionViewWillEnter() {
    this.loadData(); // Runs on every page visit
  }
}

For navigation details, see angular/navigation.md. For lifecycle details, see angular/lifecycle.md.

React

For full details, see ionic-react.

Key setup differences:

Call setupIonicReact() before rendering in src/main.tsx.
Use IonReactRouter (from @ionic/react-router) instead of BrowserRouter.
Use IonRouterOutlet to contain routes with the component prop (not render or children).
Every page must render IonPage as root — required for transitions and lifecycle hooks.

Navigation: Use useIonRouter hook for programmatic navigation:

import { useIonRouter } from '@ionic/react';

const router = useIonRouter();
router.push('/detail/123', 'forward', 'push');
router.goBack();

Lifecycle hooks (from @ionic/react):

import { useIonViewWillEnter } from '@ionic/react';

useIonViewWillEnter(() => {
  fetchData(); // Runs on every page visit
});

Overlay hooks: useIonAlert, useIonToast, useIonActionSheet, useIonLoading, useIonModal, useIonPopover, useIonPicker.

Form events: Use onIonInput for IonInput/IonTextarea, onIonChange for IonSelect/IonToggle/IonCheckbox/IonRange. Access values via e.detail.value.

For routing details, see react/routing.md. For hooks, see react/hooks.md.

Vue

For full details, see ionic-vue.

Key setup differences:

Install IonicVue plugin in src/main.ts: createApp(App).use(IonicVue).use(router).
Import createRouter from @ionic/vue-router (not from vue-router).
Every page must use IonPage as root template element — without it, transitions and lifecycle hooks silently fail.
Import all Ionic components from @ionic/vue.
Use kebab-case for event names in templates (@ion-change, @ion-input).
Import icons as SVG references from ionicons/icons — never as strings.

Navigation: Use useIonRouter composable:

<script setup lang="ts">
import { useIonRouter } from '@ionic/vue';

const ionRouter = useIonRouter();
ionRouter.push('/detail/123');
ionRouter.back();
</script>

Declarative: <ion-button router-link="/detail" router-direction="forward">Go</ion-button>

Lifecycle hooks (from @ionic/vue):

<script setup lang="ts">
import { onIonViewWillEnter } from '@ionic/vue';

onIonViewWillEnter(() => {
  fetchData(); // Runs on every page visit
});
</script>

Composables: useIonRouter(), useBackButton(priority, handler), useKeyboard(), isPlatform(name), getPlatforms().

Access Web Component methods via $el: contentRef.value.$el.scrollToBottom(300).

For navigation details, see vue/navigation.md. For composables, see vue/composables.md.

Navigation Patterns

Tab Navigation

Each framework uses ion-tabs with ion-tab-bar and child routes per tab. Each tab maintains its own navigation stack.

Rules:

The tab attribute on ion-tab-button must match the child route path.
Never navigate between tabs programmatically — only the tab bar buttons should switch tabs.
For shared views across tabs, use ion-modal instead of cross-tab routing.

Side Menu

Use ion-menu with contentId matching the id on ion-router-outlet. Wrap menu items in ion-menu-toggle to auto-close after selection. Use routerDirection="root" for top-level menu navigation.

Linear vs. Non-Linear Routing

Linear: Sequential forward/back navigation (list -> detail -> edit). Back button returns to the previous page.
Non-linear: Multiple independent stacks (tabs). Back navigation stays within the current tab's stack.

Use non-linear routing for tabs or split-pane layouts. Use linear routing for simple page flows.

Upgrading

Ionic supports upgrades from version 4 through 8. Each major version jump must be applied sequentially — do not skip intermediate versions.

For full upgrade guides, see ionic-app-upgrades.

Capacitor Integration

Ionic apps use Capacitor for native device features (camera, filesystem, push notifications, etc.). The standard workflow:

npm run build
npx cap sync
npx cap run android
npx cap run ios

For live reload on a device:

ionic cap run android --livereload --external
ionic cap run ios --livereload --external

For Capacitor guidance, see the capacitor-app-development skill.

Capawesome Cloud

Capawesome Cloud provides CI/CD services for Ionic/Capacitor apps:

Live Updates — Deploy OTA updates to Ionic/Capacitor apps instantly, without app store review.
Native Builds — Build iOS and Android binaries in the cloud without local Xcode or Android Studio.
App Store Publishing — Automate submissions to the Apple App Store and Google Play Store.

Visit capawesome.io for the full Capawesome ecosystem. For setup, see the capawesome-cloud skill.

Common Troubleshooting

ionic: command not found: Run npm install -g @ionic/cli.
Components not rendering: Verify Ionic CSS files are imported in the global stylesheet. For standalone Angular, verify each component is imported from @ionic/angular/standalone.
ionViewWillEnter not firing: The component must be directly routed via ion-router-outlet. Child components do not receive lifecycle events. For React/Vue, verify IonPage is the root element.
Page data not refreshing on back navigation: Use Ionic lifecycle hooks (ionViewWillEnter) instead of framework-native lifecycle hooks (ngOnInit, useEffect, onMounted). Ionic caches pages in the DOM.
Page transitions not animating: Use the framework's Ionic router integration (NavController for Angular, IonReactRouter for React, createRouter from @ionic/vue-router for Vue). Standard framework routers do not trigger Ionic animations.
CSS custom properties not applying: Ionic components use Shadow DOM. Use documented CSS custom properties (--background, --color) instead of targeting internal elements.
Icons not showing (Angular standalone): Call addIcons() from ionicons with the required icons and import IonIcon from @ionic/angular/standalone.
Failed to resolve component: ion-* (Vue): The Ionic component is not imported. Add the import from @ionic/vue.
Tab bar disappears on sub-page (React): All routes (including detail routes) must be inside the IonRouterOutlet within IonTabs.
Form input values not updating (React): Use onIonInput for IonInput/IonTextarea, not onChange. Access values via e.detail.value.
Slot attribute deprecation warning (Vue): Ionic uses Web Component slots. Disable the ESLint rule: 'vue/no-deprecated-slot-attribute': 'off'.

Related Skills

ionic-app-creation — Create a new Ionic app from scratch.
ionic-app-development — General Ionic development, full component API reference.
ionic-angular — Angular-specific patterns (standalone vs NgModule, navigation, forms, testing).
ionic-react — React-specific patterns (IonReactRouter, hooks, state management).
ionic-vue — Vue-specific patterns (composables, navigation, IonPage requirement).
ionic-app-upgrades — Upgrade Ionic to a newer major version.
capacitor-app-development — General Capacitor development.
capawesome-cloud — Live updates, native builds, and app store publishing.

Ionic Expert

File contents

Ionic Expert

Core Concepts

Creating a New App

Ionic CLI

Components Overview

Layout

Navigation

Form

Overlays

Data Display

Scroll

Actions & Media

Theming

Colors

Global CSS Variables

Dark Mode

Platform Styles

Layout

Grid System

CSS Utility Classes

Page Lifecycle

Framework-Specific Patterns

Angular

React

Vue

Navigation Patterns

Tab Navigation

Side Menu

Linear vs. Non-Linear Routing

Upgrading

Capacitor Integration

Capawesome Cloud

Common Troubleshooting

Related Skills

Frequently asked questions

Ionic Expert

File contents

Ionic Expert

Core Concepts

Creating a New App

Ionic CLI

Components Overview

Layout

Navigation

Form

Overlays

Data Display

Scroll

Actions & Media

Theming

Colors

Global CSS Variables

Dark Mode

Platform Styles

Layout

Grid System

CSS Utility Classes

Page Lifecycle

Framework-Specific Patterns

Angular

React

Vue

Navigation Patterns

Tab Navigation

Side Menu

Linear vs. Non-Linear Routing

Upgrading

Capacitor Integration

Capawesome Cloud

Common Troubleshooting

Related Skills

Related skills

Frequently asked questions

How do I install the Ionic Expert skill?

What does the Ionic Expert skill do?

Is Ionic Expert safe to use?

Which AI agents work with Ionic Expert?

Is Ionic Expert free to use?

Who published Ionic Expert?