feat: Add UI components for input, label, card, form, and form control.

 These components are necessary for implementing the User Registration feature.

Implementations not finished

frontend/components/ui/button/Button.vue

@@ -0,0 +1,29 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue';
+import { Primitive, type PrimitiveProps } from 'radix-vue';
+import { type ButtonVariants, buttonVariants } from '.';
+import { cn } from '@/lib/utils';
+
+interface Props extends PrimitiveProps {
+  variant?: ButtonVariants['variant'];
+  size?: ButtonVariants['size'];
+  class?: HTMLAttributes['class'];
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  as: 'button',
+  variant: 'default',
+  size: 'default',
+  class: ''
+});
+</script>
+
+<template>
+  <Primitive
+    :as="as"
+    :as-child="asChild"
+    :class="cn(buttonVariants({ variant, size }), props.class)"
+  >
+    <slot />
+  </Primitive>
+</template>

frontend/components/ui/button/index.ts

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+import { type VariantProps, cva } from 'class-variance-authority';
+
+export { default as Button } from './Button.vue';
+
+export const buttonVariants = cva(
+  'inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-heading font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-slate-950 disabled:pointer-events-none disabled:opacity-50 dark:focus-visible:ring-slate-300',
+  {
+    variants: {
+      variant: {
+        default:
+          'bg-primaryColor text-white shadow hover:bg-primaryColor/90 dark:bg-slate-50 dark:text-slate-900 dark:hover:bg-slate-50/90',
+        destructive:
+          'bg-red-500 text-slate-50 shadow-sm hover:bg-red-500/90 dark:bg-red-900 dark:text-slate-50 dark:hover:bg-red-900/90',
+        outline:
+          'border border-slate-200 bg-white shadow-sm hover:bg-slate-100 hover:text-slate-900 dark:border-slate-800 dark:bg-slate-950 dark:hover:bg-slate-800 dark:hover:text-slate-50',
+        secondary:
+          'bg-slate-100 text-slate-900 shadow-sm hover:bg-slate-100/80 dark:bg-slate-800 dark:text-slate-50 dark:hover:bg-slate-800/80',
+        ghost:
+          'hover:bg-slate-100 hover:text-slate-900 dark:hover:bg-slate-800 dark:hover:text-slate-50',
+        link: 'text-slate-900 underline-offset-4 hover:underline dark:text-slate-50'
+      },
+      size: {
+        default: 'h-9 px-4 py-2',
+        xs: 'h-7 rounded-md px-2 text-xs',
+        sm: 'h-8 rounded-lg px-3 text-xs',
+        lg: 'h-10 rounded-lg px-8',
+        icon: 'h-9 w-9'
+      }
+    },
+    defaultVariants: {
+      variant: 'default',
+      size: 'default'
+    }
+  }
+);
+
+export type ButtonVariants = VariantProps<typeof buttonVariants>;

frontend/components/ui/card/Card.vue

@@ -0,0 +1,21 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<{
+  class?: HTMLAttributes['class'];
+}>();
+</script>
+
+<template>
+  <div
+    :class="
+      cn(
+        'rounded-xl border border-slate-200 bg-white text-slate-950 shadow dark:border-slate-800 dark:bg-slate-950 dark:text-slate-50',
+        props.class
+      )
+    "
+  >
+    <slot />
+  </div>
+</template>

frontend/components/ui/card/CardContent.vue

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+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<{
+  class?: HTMLAttributes['class'];
+}>();
+</script>
+
+<template>
+  <div :class="cn('p-6 pt-0', props.class)">
+    <slot />
+  </div>
+</template>

frontend/components/ui/card/CardDescription.vue

@@ -0,0 +1,14 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<{
+  class?: HTMLAttributes['class'];
+}>();
+</script>
+
+<template>
+  <p :class="cn('text-sm text-slate-500 dark:text-slate-400', props.class)">
+    <slot />
+  </p>
+</template>

frontend/components/ui/card/CardFooter.vue

@@ -0,0 +1,14 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<{
+  class?: HTMLAttributes['class'];
+}>();
+</script>
+
+<template>
+  <div :class="cn('flex items-center p-6 pt-0', props.class)">
+    <slot />
+  </div>
+</template>

frontend/components/ui/card/CardHeader.vue

@@ -0,0 +1,14 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<{
+  class?: HTMLAttributes['class'];
+}>();
+</script>
+
+<template>
+  <div :class="cn('flex flex-col gap-y-1.5 p-6', props.class)">
+    <slot />
+  </div>
+</template>

frontend/components/ui/card/CardTitle.vue

@@ -0,0 +1,14 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<{
+  class?: HTMLAttributes['class'];
+}>();
+</script>
+
+<template>
+  <h3 :class="cn('font-semibold leading-none tracking-tight', props.class)">
+    <slot />
+  </h3>
+</template>

frontend/components/ui/card/index.ts

@@ -0,0 +1,6 @@
+export { default as Card } from './Card.vue';
+export { default as CardHeader } from './CardHeader.vue';
+export { default as CardTitle } from './CardTitle.vue';
+export { default as CardDescription } from './CardDescription.vue';
+export { default as CardContent } from './CardContent.vue';
+export { default as CardFooter } from './CardFooter.vue';

frontend/components/ui/form/FormControl.vue

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+<script lang="ts" setup>
+import { Slot } from 'radix-vue';
+import { useFormField } from './useFormField';
+
+const { error, formItemId, formDescriptionId, formMessageId } = useFormField();
+</script>
+
+<template>
+  <Slot
+    :id="formItemId"
+    :aria-describedby="
+      !error ? `${formDescriptionId}` : `${formDescriptionId} ${formMessageId}`
+    "
+    :aria-invalid="!!error"
+  >
+    <slot />
+  </Slot>
+</template>

frontend/components/ui/form/FormDescription.vue

@@ -0,0 +1,20 @@
+<script lang="ts" setup>
+import type { HTMLAttributes } from 'vue';
+import { useFormField } from './useFormField';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<{
+  class?: HTMLAttributes['class'];
+}>();
+
+const { formDescriptionId } = useFormField();
+</script>
+
+<template>
+  <p
+    :id="formDescriptionId"
+    :class="cn('text-sm text-slate-500 dark:text-slate-400', props.class)"
+  >
+    <slot />
+  </p>
+</template>

frontend/components/ui/form/FormItem.vue

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+<script lang="ts" setup>
+import { type HTMLAttributes, provide } from 'vue';
+import { useId } from 'radix-vue';
+import { FORM_ITEM_INJECTION_KEY } from './injectionKeys';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<{
+  class?: HTMLAttributes['class'];
+}>();
+
+const id = useId();
+provide(FORM_ITEM_INJECTION_KEY, id);
+</script>
+
+<template>
+  <div :class="cn('space-y-2', props.class)">
+    <slot />
+  </div>
+</template>

frontend/components/ui/form/FormLabel.vue

@@ -0,0 +1,20 @@
+<script lang="ts" setup>
+import type { HTMLAttributes } from 'vue';
+import type { LabelProps } from 'radix-vue';
+import { useFormField } from './useFormField';
+import { cn } from '@/lib/utils';
+import { Label } from '@/components/ui/label';
+
+const props = defineProps<LabelProps & { class?: HTMLAttributes['class'] }>();
+
+const { error, formItemId } = useFormField();
+</script>
+
+<template>
+  <Label
+    :class="cn(error && 'text-red-500 dark:text-red-900', props.class)"
+    :for="formItemId"
+  >
+    <slot />
+  </Label>
+</template>

frontend/components/ui/form/FormMessage.vue

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+<script lang="ts" setup>
+import { ErrorMessage } from 'vee-validate';
+import { toValue } from 'vue';
+import { useFormField } from './useFormField';
+
+const { name, formMessageId } = useFormField();
+</script>
+
+<template>
+  <ErrorMessage
+    :id="formMessageId"
+    as="p"
+    :name="toValue(name)"
+    class="text-[0.8rem] font-medium text-red-500 dark:text-red-900"
+  />
+</template>

frontend/components/ui/form/index.ts

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+export {
+  Form,
+  Field as FormField,
+  FieldArray as FormFieldArray
+} from 'vee-validate';
+export { default as FormItem } from './FormItem.vue';
+export { default as FormLabel } from './FormLabel.vue';
+export { default as FormControl } from './FormControl.vue';
+export { default as FormMessage } from './FormMessage.vue';
+export { default as FormDescription } from './FormDescription.vue';
+export { FORM_ITEM_INJECTION_KEY } from './injectionKeys';

frontend/components/ui/form/injectionKeys.ts

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+import type { InjectionKey } from 'vue';
+
+export const FORM_ITEM_INJECTION_KEY = Symbol() as InjectionKey<string>;

frontend/components/ui/form/useFormField.ts

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+import {
+  FieldContextKey,
+  useFieldError,
+  useIsFieldDirty,
+  useIsFieldTouched,
+  useIsFieldValid
+} from 'vee-validate';
+import { inject } from 'vue';
+import { FORM_ITEM_INJECTION_KEY } from './injectionKeys';
+
+export function useFormField() {
+  const fieldContext = inject(FieldContextKey);
+  const fieldItemContext = inject(FORM_ITEM_INJECTION_KEY);
+
+  if (!fieldContext)
+    throw new Error('useFormField should be used within <FormField>');
+
+  const { name } = fieldContext;
+  const id = fieldItemContext;
+
+  const fieldState = {
+    valid: useIsFieldValid(name),
+    isDirty: useIsFieldDirty(name),
+    isTouched: useIsFieldTouched(name),
+    error: useFieldError(name)
+  };
+
+  return {
+    id,
+    name,
+    formItemId: `${id}-form-item`,
+    formDescriptionId: `${id}-form-item-description`,
+    formMessageId: `${id}-form-item-message`,
+    ...fieldState
+  };
+}

frontend/components/ui/input/Input.vue

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+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue';
+import { useVModel } from '@vueuse/core';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<{
+  defaultValue?: string | number;
+  modelValue?: string | number;
+  class?: HTMLAttributes['class'];
+}>();
+
+const emits = defineEmits<{
+  (e: 'update:modelValue', payload: string | number): void; // eslint-disable-line
+}>();
+
+const modelValue = useVModel(props, 'modelValue', emits, {
+  passive: true,
+  defaultValue: props.defaultValue
+});
+</script>
+
+<template>
+  <input
+    v-model="modelValue"
+    :class="
+      cn(
+        'flex h-9 w-full rounded-md border border-slate-200 bg-transparent px-3 py-1 text-sm shadow-sm transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-slate-500 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-slate-950 disabled:cursor-not-allowed disabled:opacity-50 dark:border-slate-800 dark:placeholder:text-slate-400 dark:focus-visible:ring-slate-300',
+        props.class
+      )
+    "
+  />
+</template>

frontend/components/ui/input/index.ts

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+export { default as Input } from './Input.vue';

frontend/components/ui/label/Label.vue

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+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue';
+import { Label, type LabelProps } from 'radix-vue';
+import { cn } from '@/lib/utils';
+
+const props = defineProps<LabelProps & { class?: HTMLAttributes['class'] }>();
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props; // eslint-disable-line
+
+  return delegated;
+});
+</script>
+
+<template>
+  <Label
+    v-bind="delegatedProps"
+    :class="
+      cn(
+        'text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70',
+        props.class
+      )
+    "
+  >
+    <slot />
+  </Label>
+</template>

frontend/components/ui/label/index.ts

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+export { default as Label } from './Label.vue';