chore: Update emoji picker in widget (#14741)

2026-06-16 10:39:47 +05:30
parent dda25c0b51
commit a3d05ef55d
9 changed files with 113 additions and 50 deletions
@@ -0,0 +1,99 @@
+<script setup>
+import { ref, computed, onMounted } from 'vue';
+import { useI18n } from 'vue-i18n';
+import { Virtualizer } from 'virtua/vue';
+
+import {
+  buildEmojiSections,
+  getEmojiTint,
+  getRecentEmojis,
+  addRecentEmoji,
+} from 'shared/components/emoji/pickerHelper';
+
+const emit = defineEmits(['select']);
+
+const { t } = useI18n();
+
+const emojiSearch = ref('');
+const recentEmojis = ref([]);
+const searchInput = ref(null);
+
+onMounted(() => {
+  recentEmojis.value = getRecentEmojis();
+  searchInput.value?.focus();
+});
+
+const emojiSections = computed(() =>
+  buildEmojiSections(
+    emojiSearch.value,
+    recentEmojis.value,
+    t('EMOJI_ICON_PICKER.FREQUENTLY_USED')
+  )
+);
+
+// Tints an emoji button with a light shade of the emoji's own color on hover.
+const applyEmojiTint = (event, emoji) => {
+  event.currentTarget.style.setProperty('--ep-tint', getEmojiTint(emoji));
+};
+
+const selectEmoji = emoji => {
+  recentEmojis.value = addRecentEmoji(emoji);
+  emit('select', { type: 'emoji', value: emoji.emoji, emoji: emoji.emoji });
+};
+</script>
+
+<template>
+  <div
+    role="dialog"
+    class="absolute z-20 flex flex-col overflow-hidden shadow-xl w-[22rem] bg-n-surface-2 backdrop-blur-[100px] rounded-2xl outline outline-1 outline-n-weak dark:outline-n-strong/50"
+  >
+    <div class="flex flex-col gap-1.5 pt-2">
+      <div class="relative px-2">
+        <span
+          class="absolute z-10 -translate-y-1/2 i-lucide-search size-4 text-n-slate-10 top-1/2 start-5"
+        />
+        <input
+          ref="searchInput"
+          v-model="emojiSearch"
+          type="text"
+          class="block w-full h-10 text-sm reset-base outline outline-1 outline-offset-[-1px] outline-n-weak focus:outline-n-brand border-none rounded-lg !ps-9 !pe-3 !py-2.5 bg-transparent text-n-slate-12 placeholder:text-n-slate-10"
+          :placeholder="t('EMOJI_ICON_PICKER.SEARCH_EMOJI')"
+        />
+      </div>
+      <div
+        v-if="emojiSections.length"
+        class="h-60 overflow-y-auto px-2 pb-2 [scrollbar-width:none] [&::-webkit-scrollbar]:hidden"
+      >
+        <Virtualizer v-slot="{ item: section }" :data="emojiSections">
+          <h5
+            class="px-1 pt-2 pb-1 m-0 text-xs font-medium tracking-wide uppercase text-n-slate-10"
+          >
+            {{ section.name }}
+          </h5>
+          <div class="grid grid-cols-10 gap-0.5">
+            <button
+              v-for="emoji in section.emojis"
+              :key="`${section.name}-${emoji.slug}`"
+              type="button"
+              :title="emoji.name"
+              class="flex items-center justify-center !p-0 w-full max-w-[2rem] text-xl transition-colors rounded-lg aspect-square hover:bg-[var(--ep-tint)] active:enabled:scale-[0.97]"
+              @mouseenter="applyEmojiTint($event, emoji.emoji)"
+              @click="selectEmoji(emoji)"
+            >
+              {{ emoji.emoji }}
+            </button>
+          </div>
+        </Virtualizer>
+      </div>
+      <div
+        v-else
+        class="flex flex-col items-center justify-center gap-2 h-60 text-n-slate-10"
+      >
+        <span class="i-lucide-smile-plus size-7" />
+        <span class="text-sm font-medium">
+          {{ t('EMOJI_ICON_PICKER.NO_EMOJI') }}
+        </span>
+      </div>
+    </div>
+  </div>
+</template>
@@ -0,0 +1,93 @@
+import emojiGroups from 'shared/components/emoji/emojisGroup.json';
+
+// Recently used emojis persisted in localStorage.
+const RECENT_EMOJI_KEY = 'emoji-icon-picker.recent-emojis';
+const MAX_RECENT_EMOJIS = 16;
+
+const matchesSearch = (emoji, term) =>
+  emoji.slug.replaceAll('_', ' ').includes(term) ||
+  emoji.name.toLowerCase().includes(term);
+
+// Emoji sections for the search term; prepends "Frequently used" when idle.
+export const buildEmojiSections = (search, recentEmojis, frequentLabel) => {
+  const term = search.trim().toLowerCase();
+  if (term) {
+    return emojiGroups
+      .map(({ name, emojis }) => ({
+        name,
+        emojis: emojis.filter(e => matchesSearch(e, term)),
+      }))
+      .filter(group => group.emojis.length);
+  }
+  return [
+    ...(recentEmojis.length
+      ? [{ name: frequentLabel, emojis: recentEmojis }]
+      : []),
+    ...emojiGroups,
+  ];
+};
+
+// Samples an emoji's average color (via canvas) as a translucent hover tint. Cached per emoji.
+const emojiTintCache = new Map();
+const NEUTRAL_TINT = 'rgb(var(--slate-9) / 0.12)';
+
+const sampleEmojiTint = emoji => {
+  const canvas = Object.assign(document.createElement('canvas'), {
+    width: 16,
+    height: 16,
+  });
+  const ctx = canvas.getContext('2d', { willReadFrequently: true });
+  ctx.font = '14px serif';
+  ctx.textAlign = 'center';
+  ctx.textBaseline = 'middle';
+  ctx.fillText(emoji, 8, 9);
+
+  const { data } = ctx.getImageData(0, 0, 16, 16);
+  const pixels = Array.from(
+    { length: data.length / 4 },
+    (_, i) => i * 4
+  ).filter(i => data[i + 3] > 16);
+  if (!pixels.length) return NEUTRAL_TINT;
+
+  const avg = offset =>
+    Math.round(
+      pixels.reduce((sum, i) => sum + data[i + offset], 0) / pixels.length
+    );
+
+  return `rgba(${avg(0)}, ${avg(1)}, ${avg(2)}, 0.16)`;
+};
+
+export const getEmojiTint = emoji => {
+  if (!emojiTintCache.has(emoji)) {
+    let tint = NEUTRAL_TINT;
+    try {
+      tint = sampleEmojiTint(emoji);
+    } catch {
+      /* canvas unavailable */
+    }
+    emojiTintCache.set(emoji, tint);
+  }
+  return emojiTintCache.get(emoji);
+};
+
+export const getRecentEmojis = () => {
+  try {
+    const stored = JSON.parse(localStorage.getItem(RECENT_EMOJI_KEY) ?? '[]');
+    return Array.isArray(stored) ? stored : [];
+  } catch {
+    return [];
+  }
+};
+
+export const addRecentEmoji = emoji => {
+  const updated = [
+    emoji,
+    ...getRecentEmojis().filter(item => item.slug !== emoji.slug),
+  ].slice(0, MAX_RECENT_EMOJIS);
+  try {
+    localStorage.setItem(RECENT_EMOJI_KEY, JSON.stringify(updated));
+  } catch {
+    /* private mode; recents are best-effort */
+  }
+  return updated;
+};