global: private xpub support part 2

website_next/wallets/selector/index.js

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+/**
+ * @typedef {Object} StoredWallet
+ * @property {string} id
+ * @property {string} name
+ */
+
+/**
+ * @typedef {Object} WalletSelectorOptions
+ * @property {() => string} getSelectedId
+ * @property {(walletId: string) => void} onSelect
+ */
+
+/**
+ * @param {HTMLElement} walletList
+ * @param {StoredWallet[]} wallets
+ * @param {WalletSelectorOptions} options
+ */
+function renderButtons(walletList, wallets, options) {
+  walletList.replaceChildren();
+
+  for (const wallet of wallets) {
+    const button = document.createElement("button");
+    const selected = wallet.id === options.getSelectedId();
+
+    button.type = "button";
+    button.className = "wallets__wallet-button";
+    button.setAttribute("aria-pressed", selected ? "true" : "false");
+    button.setAttribute("data-wallet-id", wallet.id);
+    button.append(wallet.name);
+    button.addEventListener("click", () => {
+      options.onSelect(wallet.id);
+    });
+    walletList.append(button);
+  }
+}
+
+/**
+ * @param {HTMLElement} walletList
+ * @param {WalletSelectorOptions} options
+ */
+export function createSelector(walletList, options) {
+  function selectSnappedWallet() {
+    const buttons = [...walletList.querySelectorAll(".wallets__wallet-button")];
+
+    if (buttons.length === 0) return;
+
+    const listRect = walletList.getBoundingClientRect();
+    const listCenter = listRect.left + listRect.width / 2;
+    const closest = buttons.reduce((best, button) => {
+      const rect = button.getBoundingClientRect();
+      const center = rect.left + rect.width / 2;
+      const distance = Math.abs(center - listCenter);
+
+      return distance < best.distance
+        ? { button, distance }
+        : best;
+    }, {
+      button: buttons[0],
+      distance: Number.POSITIVE_INFINITY,
+    });
+    const id = closest.button.getAttribute("data-wallet-id");
+
+    if (id && id !== options.getSelectedId()) {
+      options.onSelect(id);
+    }
+  }
+
+  walletList.addEventListener("scrollend", () => {
+    selectSnappedWallet();
+  });
+
+  walletList.addEventListener("wheel", (event) => {
+    const delta = Math.abs(event.deltaX) > Math.abs(event.deltaY)
+      ? event.deltaX
+      : event.deltaY;
+
+    if (delta === 0) return;
+
+    const maxScrollLeft = walletList.scrollWidth - walletList.clientWidth;
+    const nextScrollLeft = Math.max(
+      0,
+      Math.min(maxScrollLeft, walletList.scrollLeft + delta),
+    );
+
+    if (nextScrollLeft === walletList.scrollLeft) return;
+
+    event.preventDefault();
+    walletList.scrollLeft = nextScrollLeft;
+  }, { passive: false });
+
+  return {
+    clear() {
+      walletList.replaceChildren();
+    },
+    /**
+     * @param {StoredWallet[]} wallets
+     */
+    render(wallets) {
+      renderButtons(walletList, wallets, options);
+    },
+  };
+}

website_next/wallets/selector/style.css

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+main.wallets {
+  .wallets__selector {
+    min-width: 0;
+  }
+
+  .wallets__wallet-list {
+    display: flex;
+    gap: 1rem;
+    min-width: 0;
+    overflow-x: auto;
+    padding-bottom: 0.25rem;
+    overscroll-behavior-inline: contain;
+    scroll-padding-inline: var(--page-x);
+    scroll-snap-type: x proximity;
+  }
+
+  .wallets__wallet-button {
+    flex: 0 0 auto;
+    scroll-snap-align: center;
+    border: 0;
+    padding: 0;
+    color: var(--white);
+    background: transparent;
+    font-family: var(--font-serif);
+    font-size: 4rem;
+    font-weight: 400;
+    line-height: 1;
+    opacity: 0.48;
+    cursor: pointer;
+  }
+
+  .wallets__wallet-button[aria-pressed="true"] {
+    opacity: 1;
+  }
+
+  .wallets__wallet-button:focus-visible {
+    outline: 2px solid var(--orange);
+    outline-offset: 2px;
+  }
+}
+
+@media (max-width: 56rem) {
+  main.wallets {
+    .wallets__wallet-button {
+      font-size: 3rem;
+    }
+  }
+}
+
+@media (max-width: 34rem) {
+  main.wallets {
+    .wallets__wallet-button {
+      font-size: 2.5rem;
+    }
+  }
+}