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vue-svg-map

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A set of Vue.js components to display an interactive SVG map

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# vue-svg-map

[![npm version](https://badgen.net/npm/v/vue-svg-map)](https://www.npmjs.com/package/vue-svg-map)

_A set of Vue 3 components to display an interactive SVG map._

![Vue SVG Map](https://media.giphy.com/media/QWpIwVdhY81RL05iNo/giphy.gif)

## Demo

[Take a look at the live demo!](https://victorcazanave.github.io/vue-svg-map/)

## Installation

`npm install --save vue-svg-map`

## Usage

Install the map you need from [svg-maps](https://github.com/VictorCazanave/svg-maps) or use your own map. See [maps section](#maps) for more details.

### :earth_africa: Simple SVG Map

This is the base component to display an SVG map.

In a SFC (Single File Component):

- Import `SvgMap` component from `vue-svg-map`
- Import the map you want
- Optionally, import `vue-svg-map/style.css` if you want to apply the default styles

```vue
<script setup>
import { SvgMap } from "vue-svg-map";
import Taiwan from "@svg-maps/taiwan";
</script>

#### Props

| Prop               | Type                                                                                                           | Default      | Description                                                                                    |
|--------------------|-----------------------------------------------------------------------------------------------------------------|-------------|------------------------------------------------------------------------------------------------|
| map                | [`Map`](./src/types.ts)                                                                                          | **required** | Describe SVG map to display. See [maps section](#maps) for more details.                       |
| locationAttributes | `SVGAttributes` \| `((location: Location, index: number) => SVGAttributes)` | `{}`   | Attributes of each `<path>`. The function parameters are the location object and the location index. |

#### Events

All the listeners (click, keypress...) are applied to each location.

#### Slots

There are 2 named slots:
* `before` which is before the locations
* `after` which is after the locations

### :ballot_box_with_check: Checkbox SVG Map

This is an implementation of `SvgMap` that behaves like a group of checkboxes.
It is based on this [WAI-ARIA example](https://www.w3.org/TR/wai-aria-practices/examples/checkbox/checkbox-1/checkbox-1.html) to support keyboard navigation and be accessible.

- Import `SvgMapCheckbox` component from `vue-svg-map`
- Import the map you want
- Optionally, import `vue-svg-map/style.css` if you want to apply the default styles

```vue
<script setup>
import { ref } from 'vue';
import { SvgMapCheckbox } from "vue-svg-map";
import Taiwan from "@svg-maps/taiwan";

const selectedLocationIds = ref([])
</script>

#### Props

| Prop               | Type                                                                                                           | Default      | Description                                                                                    |
|--------------------|-----------------------------------------------------------------------------------------------------------------|-------------|------------------------------------------------------------------------------------------------|
| map                | [`Map`](./src/types.ts)                                                                                        | **required** | Describe SVG map to display. See [maps section](#maps) for more details.                       |
| modelValue         | `string[]`                                                                                                     | `[]`         | List of ids of selected locations. Used for `v-model`.                                         |
| locationAttributes | `SVGAttributes` \| `((location: Location, index: number) => SVGAttributes)` | `{}`   | Attributes of each `<path>`. The function parameters are the location object and the location index. |

#### Events

Like for `SvgMap` all the listeners (click, keypress...) are applied to each location.

| Event             | Output   | Description                                                       |
| ----------------- | -------- | ----------------------------------------------------------------- |
| update:modelValue | String[] | Emits the new list of ids when a location is selected/unselected. |

#### Slots

Like in `SvgMap` there are 2 named slots:
* `before` which is before the locations
* `after` which is after the locations

**Note:** inserting focusable elements may break the checkboxes' behaviour.

### :radio_button: Radio SVG Map

This is an implementation of `SvgMap` that behaves like a group of radio buttons.
It is based on this [WAI-ARIA example](https://www.w3.org/TR/wai-aria-practices/examples/radio/radio-1/radio-1.html) to support keyboard navigation and be accessible.

- Import `SvgMapRadio` component from `vue-svg-map`
- Import the map you want
- Optionally, import `vue-svg-map/style.css` if you want to apply the default styles

```vue
<script>
import { ref } from 'vue';
import { SvgMapRadio } from "vue-svg-map";
import Taiwan from "@svg-maps/taiwan";

const selectedLocationId = ref(null)
</script>

#### Props

| Prop               | Type                                                                                                           | Default      | Description                                                                                    |
|--------------------|-----------------------------------------------------------------------------------------------------------------|-------------|------------------------------------------------------------------------------------------------|
| map                | [`Map`](./src/types.ts)                                                                                        | **required** | Describe SVG map to display. See [maps section](#maps) for more details.                       |
| modelValue         | `string`                                                                                                      | `null`       | Id of selected location. Used for `v-model`.                                                   |
| locationAttributes | `SVGAttributes` \| `((location: Location, index: number) => SVGAttributes)` | `{}`   | Attributes of each `<path>`. The function parameters are the location object and the location index. |

#### Events

Like for `SvgMap` all the listeners (click, keypress...) are applied to each location.

| Event             | Output   | Description                                                     |
|-------------------|----------|------------------------------------------------------------------|
| update:modelValue | `string` | Emits the new id when a location is selected.                    |

#### Slots

Like in `SvgMap` there are 2 named slots:
* `before` which is before the locations
* `after` which is after the locations

**Note:** inserting focusable elements may break the radio buttons' behaviour.

## Maps

### Existing maps

All the existing maps are in an independant [svg-maps](https://github.com/VictorCazanave/svg-maps) project because they may be useful for other components/projects.

### Custom maps

You can modify existing maps or create your own.

#### Modify a map

1. Import the map to modify
1. Create a new object from this map
1. Pass this new object as `map` prop of the component

```vue
<template>
	<svg-map :map="customTaiwan" />
</template>

export default {
	name: "MyMap",
	components: {
		SvgMap
	},
	data() {
		return {
			customTaiwan: {
				...Taiwan,
				label: "Custom map label",
				locations: Taiwan.locations.map(location => {
					// Modify each location to customize id, name or path
				})
			}
		};
	}
};
</script>
```

It is recommended to not modify the SVG properties (`viewBox`, `path`), because it may break the map's display.

#### Create a map

If you create a new map (other country, city...), feel free to [contribute to svg-maps project](https://github.com/VictorCazanave/svg-maps/blob/master/CONTRIBUTING.md)!

## License

MIT

vue-svg-map

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