natemoo-re / astro-icon

Inline and sprite-based SVGs in Astro made easy!

Home Page:https://astroicon.dev

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Astro Icon

A straight-forward Icon component for Astro.

Setup

  1. Install astro-icon.
npm i astro-icon
# or
yarn add astro-icon
  1. Add the following to your astro.config.mjs file. See Issue #2.
export default {
  vite: {
    ssr: {
      external: ["svgo"],
    },
  },
};

Icon Packs

astro-icon automatically includes all of the most common icon packs, powered by Iconify!

To browse supported icons, check the official Icon Sets reference or visit IcĂ´nes.

Usage

Icon will inline the SVG directly in your HTML.

---
import { Icon } from 'astro-icon'
---

<!-- Automatically fetches and inlines Material Design Icon's "account" SVG -->
<Icon pack="mdi" name="account" />

<!-- Equivalent shorthand -->
<Icon name="mdi:account" />

Sprite will reference the SVG from a spritesheet via <use>.

---
import { Sprite } from 'astro-icon'
---

<!-- Required ONCE per page as a parent of any <Sprite> components! Creates `<symbol>` for each icon -->
<!-- Can also be included in your Layout component! -->
<Sprite.Provider>
  <!-- Automatically fetches and inlines Material Design Icon's "account" SVG -->
  <Sprite pack="mdi" name="account" />

  <!-- Equivalent shorthand -->
  <Sprite name="mdi:account" />

</Sprite.Provider>

You may also create Local Icon Packs.

Local Icons

By default, astro-icon supports custom local svg icons. They are optimized with svgo automatically with no extra build step. See "A Pretty Good SVG Icon System" from CSS Tricks.

Usage

  1. Create a directory inside of src/ named icons/.
  2. Add each desired icon as an individual .svg file to src/icons/
  3. Reference a specific icon file using the name prop.

Icon will inline the SVG directly in your HTML.

---
import { Icon } from 'astro-icon';
---

<!-- Loads the SVG in `/src/icons/filename.svg` -->
<Icon name="filename" />

Sprite will reference the SVG from a spritesheet via <use>.

---
import { Sprite } from 'astro-icon';
---

<!-- Required ONCE per page as a parent of any <Sprite> components! Creates `<symbol>` for each icon -->
<!-- Can also be included in your Layout component! -->
<Sprite.Provider>
  <!-- Uses the sprite from `/src/icons/filename.svg` -->
  <Sprite name="filename" />
</Sprite.Provider>

Local Icon Packs

astro-icon supports custom local icon packs. These are also referenced with the pack and/or name props.

  1. Create a directory inside of src/ named icons/.
  2. Create a JS/TS file with your pack name inside of that directory, eg src/icons/my-pack.ts
  3. Use the createIconPack utility to handle most common situations.
import { createIconPack } from "astro-icon";

// Resolves `heroicons` dependency and reads SVG files from the `heroicons/outline` directory
export default createIconPack({ package: "heroicons", dir: "outline" });

// Resolves `name` from a remote server, like GitHub!
export default createIconPack({
  url: "https://raw.githubusercontent.com/radix-ui/icons/master/packages/radix-icons/icons/",
});

If you have custom constraints, you can always create the resolver yourself. Export a default function that resolves the name argument to an SVG string.

import { loadMyPackSvg } from "my-pack";
export default async (name: string): Promise<string> => {
  const svgString = await loadMyPackSvg(name);
  return svgString;
};

Styling

Styling your astro-icon is straightforward. Any styles can be targeted to the [astro-icon] attribute selector. If you want to target a specific icon, you may target it by name using [astro-icon="filename"].

---
import { Icon } from 'astro-icon';
---

<style lang="css">
    [astro-icon] {
        color: blue;
        /* OR */
        fill: blue;
    }
    [astro-icon="annotation"] {
        color: red;
        /* OR */
        fill: red;
    }
</style>

<Icon name="adjustment" /> <!-- will be blue -->
<Icon name="annotation" /> <!-- will be red -->

Props

<Icon> and <Sprite> share the same interface.

The name prop references a specific icon. It is required.

The optimize prop is a boolean. Defaults to true. In the future it will control svgo options.

Both components also accepts any global HTML attributes and aria attributes. They will be forwarded to the rendered <svg> element.

See the Props.ts file for more details.

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About

Inline and sprite-based SVGs in Astro made easy!

https://astroicon.dev

License:Other


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