Question 1

How to use Ionicons in a React application?

Accepted Answer

Ionicons can be integrated via the Web Component by adding the script tags from the README, but for better React compatibility, you might need to wrap the ion-icon element or use a library that supports custom elements. Ensure your build process handles the dynamic imports.

Question 2

What's the difference between filled, outline, and sharp icons in Ionicons?

Accepted Answer

Filled icons are solid, outline icons have strokes for a lighter look, and sharp icons use angular edges for a modern style. The README explains that filled variants use the base name, while outline and sharp add suffixes like 'heart-outline'.

Question 3

Can I use Ionicons without the Ionic Framework?

Accepted Answer

Yes, Ionicons is standalone and can be used in any web project by including the script tags as shown in the README. It's MIT-licensed, so there are no restrictions on usage, though setup requires manual integration.

Question 4

How to change the stroke width of outline icons?

Accepted Answer

You can adjust the stroke width by applying the CSS custom property '--ionicon-stroke-width' to the ion-icon element, with the default set to 32px. This allows fine-tuning for visual balance, as described in the README's stroke width section.

Question 5

Ionicons vs Font Awesome: which is better for mobile apps?

Accepted Answer

Ionicons is optimized for mobile with built-in iOS and Material Design variants, making it ideal for cross-platform apps, while Font Awesome offers a larger library but may require extra work for platform-specific styling. Ionicons' Web Component also provides performance benefits for on-demand loading.

Question 6

Are there any performance issues with Ionicons in large apps?

Accepted Answer

Ionicons is designed for performance by loading only visible icons dynamically, reducing initial bundle size. However, if many icons are used, the sequential HTTP requests for SVGs could impact load times, so consider preloading or bundling for critical paths.

Question 7

How to add custom SVG icons to Ionicons?

Accepted Answer

Use the 'src' attribute on ion-icon to load external SVG files, or set a custom asset path with 'setAssetPath' from the ionicons package to integrate your own icon set alongside the default library, as detailed in the README's custom icons section.

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