Add BccReact component

design-library/src/components/BccReact/BccReact.css

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+@layer components {
+    .bcc-react {
+        @apply relative flex w-full items-center overflow-visible;
+    }
+    .bcc-react-toggle {
+        @apply mr-1 flex shrink-0 cursor-pointer items-center justify-center rounded-full p-1 leading-tight transition;
+    }
+    .bcc-react-list {
+        @apply hide-scrollbar flex flex-1 items-center gap-1 overflow-x-auto overflow-y-hidden rounded-full p-1;
+    }
+    .bcc-react-empty {
+        @apply text-label flex items-center;
+    }
+
+    .bcc-react-selector {
+        @apply absolute -left-1 z-50 flex items-center gap-1 rounded-full bg-neutral-100 px-1 dark:bg-neutral-600;
+        /* Default --bottom */
+        @apply top-11 origin-top-left shadow-lg;
+    }
+
+    .bcc-react-selector--top {
+        @apply -top-10 origin-bottom-left shadow;
+    }
+
+    .bcc-react-selector-item {
+        @apply p-2 text-xl leading-none;
+    }
+
+    .bcc-react-emoji-list-item {
+        @apply flex cursor-pointer items-center justify-center rounded-full p-1 text-2xl leading-none shadow transition-all hover:scale-105;
+        /* Default --not-selected */
+        @apply text-black bg-neutral-100;
+    }
+    .bcc-react-emoji-list-item--selected {
+        @apply bg-neutral-800 text-white;
+    }
+}

design-library/src/components/BccReact/BccReact.spec.ts

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+import { describe, it, expect } from "vitest";
+
+import { mount } from "@vue/test-utils";
+import BccReact from "./BccReact.vue";
+
+describe("BccReact", () => {
+  it("renders reactions", () => {
+    expect(BccReact).toBeTruthy();
+
+    const wrapper = mount(BccReact, {
+      props: {
+        emojis: [
+          {
+            id: "thumbsup",
+            emoji: "👍",
+            count: 1,
+          },
+          {
+            id: "happy",
+            emoji: "😃",
+            count: 4,
+          },
+        ],
+      },
+    });
+
+    expect(wrapper.text()).toContain("4");
+    expect(wrapper.text()).not.toContain("1");
+    expect(wrapper.html()).toMatchSnapshot();
+  });
+});

design-library/src/components/BccReact/BccReact.stories.ts

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+import BccReact from "./BccReact.vue";
+
+import type { Meta, StoryFn } from "@storybook/vue3";
+
+export default {
+  title: "Components/BccReact",
+  component: BccReact,
+  argTypes: {},
+} as Meta<typeof BccReact>;
+
+const Template: StoryFn<typeof BccReact> = (args) => ({
+  components: { BccReact },
+  setup() {
+    return { args };
+  },
+  methods: {
+    onToggle(emojiId: string) {
+      const emoji = args.emojis.find((e) => e.id === emojiId);
+      if (!emoji) return;
+      if (emoji.count === undefined) emoji.count = 0;
+      emoji.count += emoji.selected ? -1 : 1;
+      emoji.selected = !emoji.selected;
+
+      // Enable for only allowing single reaction per user
+      /*
+      if (args.singleReaction && emoji.selected) {
+        args.emojis.forEach((e) => {
+          if (e.id !== emojiId && e.selected) {
+            e.selected = false;
+            e.count = (e.count || 1) - 1;
+          }
+        });
+      }
+      */
+    },
+  },
+  template: `
+    <div class="h-16 flex items-center">
+      <BccReact v-bind="args" @toggle="onToggle" />
+    </div>
+  `,
+});
+
+export const Example = Template.bind({});
+Example.args = {
+  top: false,
+  emojis: [
+    {
+      id: "thumbsup",
+      emoji: "👍",
+      count: 0,
+    },
+    {
+      id: "happy",
+      emoji: "😃",
+      count: 2,
+      selected: true,
+    },
+    {
+      id: "smile",
+      emoji: "😊",
+      count: 0,
+    },
+    {
+      id: "glasses",
+      emoji: "😎",
+      count: 0,
+    },
+    {
+      id: "love",
+      emoji: "😍",
+      count: 0,
+    },
+    {
+      id: "stars",
+      emoji: "🤩",
+      count: 0,
+    },
+    {
+      id: "rocket",
+      emoji: "🚀",
+      count: 93,
+    },
+  ],
+};
+
+Example.parameters = {
+  docs: {
+    source: {
+      language: "html",
+      code: `
+<--script-->
+  onToggle(emojiId: string) {
+    const emoji = args.emojis.find((e) => e.id === emojiId);
+    if (!emoji) return;
+    if (emoji.count === undefined) emoji.count = 0;
+    emoji.count += emoji.selected ? -1 : 1;
+    emoji.selected = !emoji.selected;
+
+    // Enable for only allowing single reaction per user
+    /*
+    if (args.singleReaction && emoji.selected) {
+      args.emojis.forEach((e) => {
+        if (e.id !== emojiId && e.selected) {
+          e.selected = false;
+          e.count = (e.count || 1) - 1;
+        }
+      });
+    }
+    */
+  }
+</-script-->
+
+<template>
+  <div class="h-16 flex items-center">
+    <BccReact v-bind="args" @toggle="onToggle" />
+  </div>
+</template>
+    `,
+    },
+  },
+};
+
+export const EmptyEmojis = Template.bind({});
+EmptyEmojis.args = {
+  top: true,
+  placeholder: "No reactions yet",
+  emojis: [
+    {
+      id: "thumbsup",
+      emoji: "👍",
+      count: 0,
+    },
+    {
+      id: "happy",
+      emoji: "😃",
+      count: 0,
+    },
+    {
+      id: "smile",
+      emoji: "😊",
+      count: 0,
+    },
+    {
+      id: "glasses",
+      emoji: "😎",
+      count: 0,
+    },
+    {
+      id: "love",
+      emoji: "😍",
+      count: 0,
+    },
+    {
+      id: "stars",
+      emoji: "🤩",
+      count: 0,
+    },
+    {
+      id: "rocket",
+      emoji: "🚀",
+      count: 0,
+    },
+  ],
+};

design-library/src/components/BccReact/BccReact.vue

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+<script setup lang="ts">
+import { AddReactionFillIcon, AddReactionIcon, KeyboardArrowLeftIcon } from "@bcc-code/icons-vue";
+import { computed, ref } from "vue";
+import BccReactEmoji from "./BccReactEmoji.vue";
+import type { EmojiStat } from "./BccReactEmoji.vue";
+
+type Props = {
+  emojis: EmojiStat[];
+  top?: boolean;
+  placeholder?: string;
+};
+
+const props = withDefaults(defineProps<Props>(), {
+  top: false,
+  placeholder: "Be the first to react 😉",
+});
+const emit = defineEmits<{
+  (e: "toggle", id: string): void;
+}>();
+
+const activeEmojis = computed(() => {
+  const active = props.emojis.filter((emoji) => emoji.count && emoji.count > 0);
+  active.sort((a, b) => b.count! - a.count!);
+  return active;
+});
+
+const show = ref(false);
+function selectEmoji(emoji: EmojiStat) {
+  emit("toggle", emoji.id);
+
+  setTimeout(() => {
+    show.value = false;
+  }, 250);
+}
+</script>
+
+<template>
+  <div class="bcc-react">
+    <TransitionGroup name="bcc-fade">
+      <button
+        key="toggle"
+        @click="show = !show"
+        v-if="show || emojis.some((e) => !e.selected)"
+        class="bcc-react-toggle"
+        :class="[top ? 'rounded-b-full' : 'rounded-t-full']"
+      >
+        <AddReactionFillIcon v-if="show" class="w-6" />
+        <AddReactionIcon v-else class="w-6" />
+      </button>
+
+      <div class="bcc-react-list">
+        <template v-if="activeEmojis.length > 0">
+          <TransitionGroup name="bcc-explode" appear>
+            <template v-for="emoji in activeEmojis" :key="emoji.id">
+              <keep-alive>
+                <BccReactEmoji @click="selectEmoji(emoji)" v-bind="emoji" />
+              </keep-alive>
+            </template>
+          </TransitionGroup>
+        </template>
+        <p v-else-if="placeholder" class="bcc-react-empty">
+          <KeyboardArrowLeftIcon class="mr-1 w-4" /> {{ placeholder }}
+        </p>
+      </div>
+    </TransitionGroup>
+
+    <Transition name="bcc-scale-fast">
+      <div
+        key="list"
+        v-if="show"
+        class="bcc-react-selector"
+        :class="{ 'bcc-react-selector--top': top }"
+      >
+        <TransitionGroup name="bcc-explode">
+          <template v-for="emoji in emojis" :key="emoji.id">
+            <button
+              v-if="!emoji.selected"
+              @click="selectEmoji(emoji)"
+              class="bcc-react-selector-item"
+            >
+              {{ emoji.emoji }}
+            </button>
+          </template>
+        </TransitionGroup>
+      </div>
+    </Transition>
+  </div>
+</template>

design-library/src/components/BccReact/BccReactEmoji.vue

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+<script setup lang="ts">
+import { ref, watch } from "vue";
+
+export type EmojiStat = {
+  id: string;
+  emoji: string;
+  count?: number;
+  selected?: boolean;
+};
+const props = defineProps<EmojiStat>();
+
+const animate = ref(false);
+watch(
+  () => props.count,
+  () => {
+    animate.value = true;
+    setTimeout(() => {
+      animate.value = false;
+    }, 1000);
+  }
+);
+</script>
+
+<template>
+  <button
+    class="bcc-react-emoji-list-item"
+    :class="{
+      'bcc-react-emoji-list-item--selected': selected,
+      'animate-wiggle': animate,
+    }"
+  >
+    <span>{{ emoji }}</span>
+    <span v-if="count && count > 1" class="mx-1 text-xs">{{ count }}</span>
+  </button>
+</template>

design-library/src/components/BccReact/__snapshots__/BccReact.spec.ts.snap

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+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`BccReact > renders reactions 1`] = `
+"<div class=\\"bcc-react\\">
+  <transition-group-stub name=\\"bcc-fade\\" appear=\\"false\\" persisted=\\"false\\" css=\\"true\\"><button class=\\"bcc-react-toggle rounded-t-full\\"><svg aria-hidden=\\"true\\" viewBox=\\"0 -960 960 960\\" fill=\\"currentColor\\" class=\\"w-6\\">
+        <path d=\\"M480-480Zm0 400q-83 0-156-31.5T197-197q-54-54-85.5-127T80-480q0-83 31.5-156T197-763q54-54 127-85.5T480-880q43 0 83 8.5t77 24.5v90q-35-20-75.5-31.5T480-800q-133 0-226.5 93.5T160-480q0 133 93.5 226.5T480-160q133 0 226.5-93.5T800-480q0-32-6.5-62T776-600h86q9 29 13.5 58.5T880-480q0 83-31.5 156T763-197q-54 54-127 85.5T480-80Zm320-680h-40q-17 0-28.5-11.5T720-800q0-17 11.5-28.5T760-840h40v-40q0-17 11.5-28.5T840-920q17 0 28.5 11.5T880-880v40h40q17 0 28.5 11.5T960-800q0 17-11.5 28.5T920-760h-40v40q0 17-11.5 28.5T840-680q-17 0-28.5-11.5T800-720v-40ZM620-520q25 0 42.5-17.5T680-580q0-25-17.5-42.5T620-640q-25 0-42.5 17.5T560-580q0 25 17.5 42.5T620-520Zm-280 0q25 0 42.5-17.5T400-580q0-25-17.5-42.5T340-640q-25 0-42.5 17.5T280-580q0 25 17.5 42.5T340-520Zm140 260q58 0 107-28t79-76q6-12-1-24t-21-12H316q-14 0-21 12t-1 24q30 48 79.5 76T480-260Z\\"></path>
+      </svg></button>
+    <div class=\\"bcc-react-list\\">
+      <transition-group-stub name=\\"bcc-explode\\" appear=\\"true\\" persisted=\\"false\\" css=\\"true\\"><button class=\\"bcc-react-emoji-list-item\\"><span>😃</span><span class=\\"mx-1 text-xs\\">4</span></button><button class=\\"bcc-react-emoji-list-item\\"><span>👍</span>
+          <!--v-if-->
+        </button></transition-group-stub>
+    </div>
+  </transition-group-stub>
+  <transition-stub name=\\"bcc-scale-fast\\" appear=\\"false\\" persisted=\\"false\\" css=\\"true\\">
+    <!--v-if-->
+  </transition-stub>
+</div>"
+`;