feat: rewrite to use app config and rework docs (#143)

Co-authored-by: Daniel Roe <daniel@roe.dev>
Co-authored-by: Sébastien Chopin <seb@nuxt.com>

src/runtime/components/elements/ButtonGroup.ts

@@ -0,0 +1,80 @@
+import { h, computed, defineComponent } from 'vue'
+import type { PropType } from 'vue'
+import { defu } from 'defu'
+import { useAppConfig } from '#imports'
+// TODO: Remove
+// @ts-expect-error
+import appConfig from '#build/app.config'
+
+// const appConfig = useAppConfig()
+
+export default defineComponent({
+  props: {
+    size: {
+      type: String,
+      default: null,
+      validator (value: string) {
+        return Object.keys(appConfig.ui.avatar.size).includes(value)
+      }
+    },
+    ui: {
+      type: Object as PropType<Partial<typeof appConfig.ui.buttonGroup>>,
+      default: () => appConfig.ui.buttonGroup
+    }
+  },
+  setup (props, { slots }) {
+    // TODO: Remove
+    const appConfig = useAppConfig()
+
+    const ui = computed<Partial<typeof appConfig.ui.buttonGroup>>(() => defu({}, props.ui, appConfig.ui.buttonGroup))
+
+    const children = computed(() => {
+      let children = slots.default?.()
+      // @ts-ignore-next
+      if (children.length && children[0].type.name === 'ContentSlot') {
+        // @ts-ignore-next
+        children = children[0].ctx.slots.default?.()
+      }
+      return children
+    })
+
+    const rounded = computed(() => ({
+      'rounded-none': { left: 'rounded-l-none', right: 'rounded-r-none' },
+      'rounded-sm': { left: 'rounded-l-sm', right: 'rounded-r-sm' },
+      rounded: { left: 'rounded-l', right: 'rounded-r' },
+      'rounded-md': { left: 'rounded-l-md', right: 'rounded-r-md' },
+      'rounded-lg': { left: 'rounded-l-lg', right: 'rounded-r-lg' },
+      'rounded-xl': { left: 'rounded-l-xl', right: 'rounded-r-xl' },
+      'rounded-2xl': { left: 'rounded-l-2xl', right: 'rounded-r-2xl' },
+      'rounded-3xl': { left: 'rounded-l-3xl', right: 'rounded-r-3xl' },
+      'rounded-full': { left: 'rounded-l-full', right: 'rounded-r-full' }
+    }[ui.value.rounded]))
+
+    const clones = computed(() => children.value.map((node, index) => {
+      if (props.size) {
+        node.props.size = props.size
+      }
+
+      node.props.class = node.props.class || ''
+      node.props.class += ' !shadow-none'
+      node.props.ui = node.props.ui || {}
+      node.props.ui.rounded = ''
+
+      if (index === 0) {
+        node.props.ui.rounded = rounded.value.left
+      }
+
+      if (index > 0) {
+        node.props.class += ' -ml-px'
+      }
+
+      if (index === children.value.length - 1) {
+        node.props.ui.rounded = rounded.value.right
+      }
+
+      return node
+    }))
+
+    return () => h('div', { class: [ui.value.wrapper, ui.value.rounded, ui.value.shadow] }, clones.value)
+  }
+})