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What is the purpose of onLoad? To let you know when Icon component renders an icon and when it does not render anything.

If value of icon property is a string and icon data is not available, onLoad is called on first re-render after icon data is retrieved from API.

If value of icon property is a string and icon data is available, onLoad is called on first render.

If value of icon property is an object, onLoad is not called.

It is not an event, such as click event for links, it is a simple callback function. It is called when icon data has been loaded. OnLoad property is an optional callback function.

Material icon theme change folder color how to#

These are not CSS transformations, transformations are applied inside SVG.įor more details see how to transform icon in Iconify for React.

All transformations are done relative to the center of the icon. Transformations Īn icon can be rotated and flipped horizontally and/or vertically.

To add color to a monotone icon, simply change text color.įor various ways to change icon dimensions, see how to change icon dimensions in Iconify for React. Some icons, such as emoji, have a hardcoded palette that cannot be changed. You can only change the color of monotone icons. You can also add custom API providers for more icon choices. Browse icons sets to see all available icons. There are over 200,000 icons available from 150+ icon sets. For example, fa:arrow-left and fa-arrow-left are identical because ' fa' does not contain hyphen. This is to support people migrating from icon fonts.

If prefix does not contain ' -', prefix and icon name can be separated with hyphen.

If the API provider is empty, it can be skipped (like in examples above).

mdi-light:home - icon is ' home' from Material Design Light icon set, from public Iconify API.

flat-color-icons:voice-presentation - icon is ' voice-presentation' from Flat Color Icons icon set, from public Iconify API.

Starts with ' can be empty (empty value is used for public Iconify API). Icon name is a string, which has 3 provider points to API source. All other properties and events will be passed to generated SVG element, so you can do stuff like assigning onClick event, setting the inline style, add title and so on. In addition to the properties mentioned above, the icon component accepts any other properties and events. See below for more information on each optional property.

onLoad, function is a callback that is called when icon data has been loaded.

flip, string alternative to hFlip and vFlip.

hFlip, boolean flips icon horizontally.

inline, boolean changes vertical alignment.

icon, IconifyIcon | string icon name or icon data.

You can pass any custom properties to Icon.

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Browsers already support Fetch API, so this code is not needed in browsers. This code must be added only to script that runs on the server side, not bundled for client side use.

Use internal setFetch() function to set third party Fetch API before using any icon component functions.

Material icon theme change folder color install#

Install cross-fetch (if you are using CommonJS) or node-fetch (if you are using modules) as dependency.

How to support API in server side rendering? That means the icon component cannot retrieve icon data from Iconify API when used on a server side in Node.js environment. It is available in Node.js version 17 using flag ' -experimental-fetch', but without it, Fetch API is not available. Older versions of Node.js do not support Fetch API. If you want to use icon component's functions that load icon data from API in Next.js, you need Fetch API. If you do want to render SVGs on server side, provide icon data as parameter instead of icon name or use a different icon component. For server side rendering it means HTML will not include SVGs, they will be dynamically added only when hydrating DOM on client side. Instead of bundling all icons, component retrieves only icons you use.Ĭomponent does not retrieve icon data until it is mounted. Icon sets usually have thousands of icons.

There can be an unlimited number of icons, giving you more choices.

Loading icons on demand has massive advantages over other methods:

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There are over 200,000 icons available on Iconify API from various free and open source icon sets, including all the most popular icon sets.Īvailability of Iconify API is the biggest feature that makes Iconify components different from alternatives.ĪPI sends data for icons on demand. Component will automatically retrieve data for mdi-light:home from Iconify API and render it.