Add component: Flip Card

components/flip-card.json

@@ -0,0 +1,25 @@
+{
+  "id": "flip-card",
+  "name": "Flip Card",
+  "description": "Card matching game with emoji pairs and 3D card flips as a gradio HTML custom component.",
+  "author": "tejasashinde",
+  "tags": [
+    "game",
+    "flip cards",
+    "memory cards",
+    "html component",
+    "interactive"
+  ],
+  "html_template": "\n<div class=\"memory-container\" data-game-id=\"${game_id || '0'}\">\n\n    <div class=\"memory-header\">\n        <div class=\"memory-title\">\ud83c\udfb4 Flip Card Match</div>\n        <div class=\"memory-subtitle\">Find all matching pairs</div>\n    </div>\n\n    <div class=\"memory-stats\">\n        <div class=\"stat-pill\">\n            <span class=\"stat-label\">Moves</span>\n            <strong id=\"moves-count\">0</strong>\n        </div>\n\n        <div class=\"stat-pill\">\n            <span class=\"stat-label\">Matches</span>\n            <strong id=\"matches-count\">0</strong>\n        </div>\n    </div>\n\n    <div\n        class=\"memory-grid\"\n        id=\"memory-grid\"\n        style=\"--grid-cols: ${grid_cols || 2};\"\n    >\n        ${(() => {\n            let cards = [];\n\n            try {\n                cards = JSON.parse(cards_json || '[]');\n            } catch (error) {\n                cards = [];\n            }\n\n            let html = '';\n\n            cards.forEach((card, i) => {\n                html += `\n                    <div class=\"memory-card\" data-index=\"${i}\" tabindex=\"0\" role=\"button\" aria-label=\"Memory card\">\n                        <div class=\"memory-inner\">\n                            <div class=\"memory-front\">?</div>\n                            <div class=\"memory-back\">${card}</div>\n                        </div>\n                    </div>\n                `;\n            });\n\n            return html;\n        })()}\n    </div>\n\n    <div class=\"game-status ${value ? 'show' : ''}\" id=\"game-status-area\">\n        <div class=\"status-text\">\n            ${value || 'Find all matching pairs!'}\n        </div>\n    </div>\n\n    <button class=\"reset-button\" id=\"reset-btn\" type=\"button\">\n        \ud83d\udd04 RESET GAME\n    </button>\n\n</div>\n",
+  "css_template": "\n.memory-container {\n    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;\n    display: flex;\n    flex-direction: column;\n    align-items: center;\n    padding: 32px;\n    background:\n        radial-gradient(circle at top left, rgba(129, 140, 248, 0.28), transparent 35%),\n        radial-gradient(circle at bottom right, rgba(244, 114, 182, 0.22), transparent 35%),\n        linear-gradient(135deg, #1e293b 0%, #0f172a 100%);\n    border-radius: 28px;\n    position: relative;\n    overflow: hidden;\n    min-height: 560px;\n    box-sizing: border-box;\n}\n\n.memory-container::before {\n    content: \"\";\n    position: absolute;\n    inset: 0;\n    background-image:\n        radial-gradient(circle, rgba(255,255,255,0.13) 1px, transparent 1px);\n    background-size: 28px 28px;\n    opacity: 0.22;\n    pointer-events: none;\n}\n\n.memory-header,\n.memory-stats,\n.memory-grid,\n.game-status,\n.reset-button {\n    position: relative;\n    z-index: 1;\n}\n\n.memory-header {\n    text-align: center;\n    margin-bottom: 18px;\n}\n\n.memory-title {\n    font-size: 30px;\n    font-weight: 900;\n    color: #ffffff;\n    letter-spacing: -0.04em;\n}\n\n.memory-subtitle {\n    margin-top: 4px;\n    font-size: 15px;\n    color: rgba(255,255,255,0.7);\n    font-weight: 600;\n}\n\n.memory-stats {\n    display: flex;\n    gap: 12px;\n    margin-bottom: 22px;\n}\n\n.stat-pill {\n    min-width: 96px;\n    padding: 10px 14px;\n    border-radius: 999px;\n    background: rgba(255,255,255,0.1);\n    border: 1px solid rgba(255,255,255,0.13);\n    color: white;\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    gap: 12px;\n    box-shadow: 0 8px 22px rgba(0,0,0,0.18);\n}\n\n.stat-label {\n    font-size: 13px;\n    color: rgba(255,255,255,0.72);\n    font-weight: 700;\n}\n\n.stat-pill strong {\n    font-size: 17px;\n    color: #fef3c7;\n}\n\n.memory-grid {\n    display: grid;\n    grid-template-columns: repeat(var(--grid-cols, 2), 130px);\n    gap: 16px;\n    justify-content: center;\n    max-width: 100%;\n}\n\n.memory-card {\n    width: 130px;\n    height: 130px;\n    perspective: 1000px;\n    cursor: pointer;\n    position: relative;\n    outline: none;\n}\n\n.memory-card:focus-visible .memory-inner {\n    box-shadow: 0 0 0 4px rgba(250, 204, 21, 0.65);\n    border-radius: 22px;\n}\n\n.memory-inner {\n    position: relative;\n    width: 100%;\n    height: 100%;\n    transition: transform 0.65s cubic-bezier(0.2, 0.8, 0.2, 1);\n    transform-style: preserve-3d;\n    will-change: transform;\n}\n\n.memory-card.flipped .memory-inner {\n    transform: rotateY(180deg);\n}\n\n.memory-front,\n.memory-back {\n    position: absolute;\n    inset: 0;\n    width: 100%;\n    height: 100%;\n    border-radius: 22px;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    font-size: 48px;\n    line-height: 1;\n    box-shadow: 0 14px 32px rgba(0,0,0,0.35);\n    backface-visibility: hidden;\n    -webkit-backface-visibility: hidden;\n    transform-style: preserve-3d;\n    -webkit-transform-style: preserve-3d;\n    user-select: none;\n}\n\n.memory-front {\n    background:\n        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.34), transparent 26%),\n        linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);\n    color: white;\n    transform: rotateY(0deg);\n    border: 2px solid rgba(255,255,255,0.18);\n}\n\n.memory-back {\n    background:\n        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.92), transparent 30%),\n        linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);\n    color: #111827;\n    transform: rotateY(180deg);\n    border: 2px solid rgba(15, 23, 42, 0.08);\n}\n\n.memory-card:hover:not(.flipped):not(.matched):not(.game-won) .memory-inner {\n    transform: translateY(-4px) scale(1.025);\n}\n\n.memory-card.matched {\n    pointer-events: none;\n}\n\n.memory-card.matched .memory-inner {\n    animation: matchedPulse 0.9s ease-in-out infinite;\n}\n\n.memory-card.matched .memory-back {\n    background:\n        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.82), transparent 30%),\n        linear-gradient(135deg, #bbf7d0 0%, #86efac 100%);\n    border-color: rgba(34,197,94,0.55);\n}\n\n.memory-card.wrong .memory-inner {\n    animation: wrongShake 0.38s ease-in-out;\n}\n\n.memory-container.game-complete .memory-card {\n    pointer-events: none;\n}\n\n.memory-container.game-complete .memory-card.matched .memory-inner {\n    animation: finalWinPulse 1.2s ease-in-out infinite;\n}\n\n@keyframes matchedPulse {\n    0% {\n        transform: rotateY(180deg) scale(1);\n    }\n    50% {\n        transform: rotateY(180deg) scale(1.045);\n    }\n    100% {\n        transform: rotateY(180deg) scale(1);\n    }\n}\n\n@keyframes finalWinPulse {\n    0% {\n        transform: rotateY(180deg) scale(1);\n    }\n    50% {\n        transform: rotateY(180deg) scale(1.035);\n    }\n    100% {\n        transform: rotateY(180deg) scale(1);\n    }\n}\n\n@keyframes wrongShake {\n    0% {\n        transform: rotateY(180deg) translateX(0);\n    }\n    25% {\n        transform: rotateY(180deg) translateX(-8px);\n    }\n    50% {\n        transform: rotateY(180deg) translateX(8px);\n    }\n    75% {\n        transform: rotateY(180deg) translateX(-5px);\n    }\n    100% {\n        transform: rotateY(180deg) translateX(0);\n    }\n}\n\n.game-status {\n    margin-top: 28px;\n    padding: 16px 28px;\n    background: rgba(255,255,255,0.08);\n    border-radius: 16px;\n    border: 1px solid rgba(255,255,255,0.1);\n    color: white;\n    transition: all 0.4s ease;\n    min-width: 280px;\n}\n\n.game-status.show {\n    background: rgba(34,197,94,0.15);\n    border-color: rgba(34,197,94,0.35);\n    box-shadow: 0 14px 36px rgba(34,197,94,0.12);\n}\n\n.status-text {\n    font-size: 20px;\n    font-weight: 800;\n    text-align: center;\n}\n\n.reset-button {\n    margin-top: 24px;\n    padding: 16px 44px;\n    font-size: 18px;\n    font-weight: 800;\n    color: white;\n    background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);\n    border: none;\n    border-radius: 999px;\n    cursor: pointer;\n    transition: all 0.3s ease;\n    box-shadow: 0 10px 30px rgba(239,68,68,0.35);\n    letter-spacing: 0.04em;\n}\n\n.reset-button:hover {\n    transform: translateY(-2px);\n    box-shadow: 0 14px 36px rgba(239,68,68,0.45);\n}\n\n.reset-button:active {\n    transform: translateY(0);\n}\n\n@media (max-width: 720px) {\n    .memory-container {\n        padding: 24px 14px;\n        min-height: 500px;\n    }\n\n    .memory-title {\n        font-size: 24px;\n    }\n\n    .memory-grid {\n        grid-template-columns: repeat(min(var(--grid-cols, 2), 3), 105px);\n        gap: 12px;\n    }\n\n    .memory-card {\n        width: 105px;\n        height: 105px;\n    }\n\n    .memory-front,\n    .memory-back {\n        font-size: 38px;\n        border-radius: 18px;\n    }\n\n    .status-text {\n        font-size: 16px;\n    }\n\n    .game-status {\n        min-width: 240px;\n        padding: 14px 18px;\n    }\n\n    .reset-button {\n        padding: 13px 30px;\n        font-size: 15px;\n    }\n}\n\n@media (max-width: 420px) {\n    .memory-grid {\n        grid-template-columns: repeat(2, 105px);\n    }\n}\n",
+  "js_on_load": "\nlet flipped = [];\nlet matched = [];\nlet moves = 0;\nlet isLocked = false;\nlet isComplete = false;\nlet cards = [];\nlet activeCardsJson = null;\nlet activeGameId = null;\nlet winEmitTimer = null;\n\nconst FLIP_ANIMATION_MS = 700;\n\nfunction getRoot() {\n    return element.querySelector('.memory-container');\n}\n\nfunction getGrid() {\n    return element.querySelector('#memory-grid');\n}\n\nfunction getStatusEl() {\n    return element.querySelector('#game-status-area');\n}\n\nfunction getMovesCountEl() {\n    return element.querySelector('#moves-count');\n}\n\nfunction getMatchesCountEl() {\n    return element.querySelector('#matches-count');\n}\n\nfunction readCardsFromProps() {\n    try {\n        return JSON.parse(props.cards_json || '[]');\n    } catch (error) {\n        return [];\n    }\n}\n\nfunction updateStats() {\n    const movesCountEl = getMovesCountEl();\n    const matchesCountEl = getMatchesCountEl();\n\n    if (movesCountEl) {\n        movesCountEl.textContent = String(moves);\n    }\n\n    if (matchesCountEl) {\n        matchesCountEl.textContent = String(Math.floor(matched.length / 2));\n    }\n}\n\nfunction updateStatus(message, show) {\n    const statusEl = getStatusEl();\n\n    if (!statusEl) return;\n\n    statusEl.innerHTML = '<div class=\"status-text\">' + message + '</div>';\n\n    if (show) {\n        statusEl.classList.add('show');\n    } else {\n        statusEl.classList.remove('show');\n    }\n}\n\nfunction getCard(index) {\n    const grid = getGrid();\n    if (!grid) return null;\n\n    return grid.querySelector('[data-index=\"' + index + '\"]');\n}\n\nfunction clearCardState(card) {\n    if (!card) return;\n\n    card.classList.remove('flipped');\n    card.classList.remove('matched');\n    card.classList.remove('wrong');\n}\n\nfunction clearAllCards() {\n    const grid = getGrid();\n    if (!grid) return;\n\n    const allCards = grid.querySelectorAll('.memory-card');\n\n    allCards.forEach(function(card) {\n        clearCardState(card);\n    });\n}\n\nfunction resetLocalState() {\n    if (winEmitTimer) {\n        clearTimeout(winEmitTimer);\n        winEmitTimer = null;\n    }\n\n    flipped = [];\n    matched = [];\n    moves = 0;\n    isLocked = false;\n    isComplete = false;\n\n    const root = getRoot();\n    if (root) {\n        root.classList.remove('game-complete');\n    }\n\n    clearAllCards();\n    updateStats();\n    updateStatus('Find all matching pairs!', false);\n}\n\nfunction syncFromPropsIfNeeded() {\n    const nextCardsJson = props.cards_json || '[]';\n    const nextGameId = props.game_id || '0';\n\n    if (activeCardsJson !== nextCardsJson || activeGameId !== nextGameId) {\n        activeCardsJson = nextCardsJson;\n        activeGameId = nextGameId;\n        cards = readCardsFromProps();\n        resetLocalState();\n    }\n}\n\nfunction resetGame() {\n    syncFromPropsIfNeeded();\n    resetLocalState();\n}\n\nfunction flipBack(cardA, cardB) {\n    setTimeout(function() {\n        if (cardA) {\n            cardA.classList.remove('flipped');\n            cardA.classList.remove('wrong');\n        }\n\n        if (cardB) {\n            cardB.classList.remove('flipped');\n            cardB.classList.remove('wrong');\n        }\n\n        flipped = [];\n        isLocked = false;\n    }, 900);\n}\n\nfunction emitWinAfterFinalFlip(winMessage) {\n    if (winEmitTimer) {\n        clearTimeout(winEmitTimer);\n    }\n\n    winEmitTimer = setTimeout(function() {\n        props.value = winMessage;\n        winEmitTimer = null;\n    }, FLIP_ANIMATION_MS + 120);\n}\n\nfunction handleMatch(firstIndex, secondIndex, firstCard, secondCard) {\n    matched.push(firstIndex, secondIndex);\n    flipped = [];\n\n    if (firstCard) {\n        firstCard.classList.add('matched');\n    }\n\n    if (secondCard) {\n        secondCard.classList.add('matched');\n    }\n\n    updateStats();\n\n    if (matched.length === cards.length) {\n        isComplete = true;\n        isLocked = true;\n\n        const root = getRoot();\n        if (root) {\n            root.classList.add('game-complete');\n        }\n\n        const winMessage = '\ud83c\udf89 You won in ' + moves + ' moves!';\n        updateStatus(winMessage, true);\n\n        emitWinAfterFinalFlip(winMessage);\n        return;\n    }\n\n    updateStatus('\u2705 Match Found!', true);\n    isLocked = false;\n}\n\nfunction handleNoMatch(firstCard, secondCard) {\n    updateStatus('\u274c No Match!', true);\n\n    if (firstCard) {\n        firstCard.classList.add('wrong');\n    }\n\n    if (secondCard) {\n        secondCard.classList.add('wrong');\n    }\n\n    flipBack(firstCard, secondCard);\n}\n\nfunction handleCardClick(card) {\n    syncFromPropsIfNeeded();\n\n    if (!card) return;\n    if (isLocked) return;\n    if (isComplete) return;\n\n    const index = Number(card.dataset.index);\n\n    if (!Number.isInteger(index)) return;\n    if (matched.includes(index)) return;\n    if (flipped.includes(index)) return;\n\n    card.classList.add('flipped');\n    flipped.push(index);\n\n    if (flipped.length === 1) {\n        updateStatus('Keep going!', true);\n        return;\n    }\n\n    isLocked = true;\n    moves += 1;\n    updateStats();\n\n    const firstIndex = flipped[0];\n    const secondIndex = flipped[1];\n\n    const firstCard = getCard(firstIndex);\n    const secondCard = getCard(secondIndex);\n\n    const firstValue = cards[firstIndex];\n    const secondValue = cards[secondIndex];\n\n    if (firstValue === secondValue) {\n        handleMatch(firstIndex, secondIndex, firstCard, secondCard);\n    } else {\n        handleNoMatch(firstCard, secondCard);\n    }\n}\n\nelement.addEventListener('click', function(event) {\n    const resetClicked = event.target.closest('#reset-btn');\n\n    if (resetClicked && element.contains(resetClicked)) {\n        event.preventDefault();\n        resetGame();\n        return;\n    }\n\n    const card = event.target.closest('.memory-card');\n\n    if (card && element.contains(card)) {\n        handleCardClick(card);\n    }\n});\n\nelement.addEventListener('keydown', function(event) {\n    if (event.key !== 'Enter' && event.key !== ' ') return;\n\n    const card = event.target.closest('.memory-card');\n\n    if (card && element.contains(card)) {\n        event.preventDefault();\n        handleCardClick(card);\n    }\n});\n\nsyncFromPropsIfNeeded();\n",
+  "default_props": {
+    "value": "",
+    "cards_json": "[\"\ud83c\udf4d\", \"\ud83c\udf4e\", \"\ud83c\udf4d\", \"\ud83c\udf4e\"]",
+    "grid_cols": 2,
+    "game_id": "1781591595278513145"
+  },
+  "python_code": "class FlipCard(gr.HTML):\n    def __init__(\n        self,\n        value: str | None = None,\n        emojis: list[str] | None = None,\n        cards: list[str] | None = None,\n        cards_json: str | None = None,\n        grid_cols: int | None = None,\n        game_id: str | None = None,\n        **kwargs: Any,\n    ) -> None:\n        if emojis is None:\n            emojis = DEFAULT_EMOJIS\n\n        if cards is None:\n            cards = create_cards(emojis)\n\n        if cards_json is None:\n            cards_json = json.dumps(cards, ensure_ascii=False)\n\n        if grid_cols is None:\n            grid_cols = compute_grid_cols(len(cards))\n\n        if game_id is None:\n            game_id = new_game_id()\n\n        super().__init__(\n            value=value,\n            cards_json=cards_json,\n            grid_cols=grid_cols,\n            game_id=game_id,\n            html_template=HTML_TEMPLATE,\n            css_template=CSS_TEMPLATE,\n            js_on_load=JS_ON_LOAD,\n            apply_default_css=False,\n            container=False,\n            padding=False,\n            **kwargs,\n        )\n\n    def api_info(self) -> dict[str, str]:\n        return {\n            \"type\": \"string\",\n            \"description\": \"Winning message after completing the flip-card memory game.\",\n        }\n",
+  "head": "",
+  "repo_url": "https://github.com/tejasashinde/gradio-flip-card-component"
+}

manifest.json

@@ -307,5 +307,19 @@
       "Controlnet"
     ],
     "repo_url": "https://huggingface.co/spaces/elismasilva/gradio_openpose3d_editor"
+  },
+  {
+    "id": "flip-card",
+    "name": "Flip Card",
+    "description": "Card matching game with emoji pairs and 3D card flips as a gradio HTML custom component.",
+    "author": "tejasashinde",
+    "tags": [
+      "game",
+      "flip cards",
+      "memory cards",
+      "html component",
+      "interactive"
+    ],
+    "repo_url": "https://github.com/tejasashinde/gradio-flip-card-component"
   }
 ]