The open source AI code editor

import {
  For,
  Show,
  createMemo,
  createSignal,
  onCleanup,
  onMount,
} from "solid-js";
import { useMail } from "./mail";
import { Item } from "./Item";

const ROW = 56;
const PAGE = 24;

export function MailList() {
  const { items, query, load } =
    useMail();
  const [focus, setFocus] =
    createSignal(0);
  const [top, setTop] =
    createSignal(0);

  const visible = createMemo(() => {
    const q = query().toLowerCase();
    return items()
      .filter((m) =>
        m.subject
          .toLowerCase()
          .includes(q),
      )
      .slice(top(), top() + PAGE);
  });

  const onKey = (e: KeyboardEvent) => {
    if (e.key === "ArrowDown") {
      setFocus((i) =>
        Math.min(i + 1, PAGE - 1),
      );
    } else if (e.key === "ArrowUp") {
      setFocus((i) =>
        Math.max(i - 1, 0),
      );
    } else if (e.key === "Enter") {
      open(visible()[focus()].id);
    }
  };

  onMount(() => {
    load();
    window.addEventListener(
      "keydown",
      onKey,
    );
    onCleanup(() =>
      window.removeEventListener(
        "keydown",
        onKey,
      ),
    );
  });

  return (
    <Show
      when={visible().length}
      fallback={<Empty />}
    >
      <For each={visible()}>
        {(m, i) => (
          <Item
            mail={m}
            active={i() === focus()}
            onOpen={open}
          />
        )}
      </For>
    </Show>
  );
}

import type { Email } from "~/types";

interface MailListItemProps {
  email: Email;
  isSelected: boolean;
  onOpen: (id: string) => void;
}

export function MailListItem(props: MailListItemProps) {
  return (
    <div
      role="listitem"
      tabindex={0}
      onClick={() => props.onOpen(props.email.id)}
      onKeyDown={(ev) => ev.key === "Enter" && props.onOpen(props.email.id)}
      class="mail-item"
      data-selected={props.isSelected ? "true" : undefined}
      aria-selected={props.isSelected ? "true" : undefined}
    >
      <div>
        <div class="mail-item-subject truncate">{props.email.subject}</div>
        <div class="mail-item-snippet truncate">{props.email.snippet}</div>
      </div>
      <time
        class="text-xs muted"
        datetime={props.email.date}
        title={new Date(props.email.date).toLocaleString()}
      >
        {new Date(props.email.date).toLocaleDateString(undefined, {
          month: "short",
          day: "numeric",
        })}
      </time>
    </div>
  );