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import { ReceiptType, Unread, BufferType, SERVER_BUFFER, receiptFromMessage } from "./state.js";
function getSiblingBuffer(buffers, bufID, delta) {
let bufList = Array.from(buffers.values());
let i = bufList.findIndex((buf) => buf.id === bufID);
if (i < 0) {
return null;
}
i = (i + bufList.length + delta) % bufList.length;
return bufList[i];
}
export const keybindings = [
{
key: "h",
altKey: true,
description: "Mark all messages as read",
execute: (app) => {
app.setState((state) => {
let buffers = new Map();
state.buffers.forEach((buf) => {
buffers.set(buf.id, {
...buf,
unread: Unread.NONE,
prevReadReceipt: null,
});
let receipts = {};
if (buf.messages.length > 0) {
let lastMsg = buf.messages[buf.messages.length - 1];
receipts[ReceiptType.READ] = receiptFromMessage(lastMsg);
}
let client = app.clients.get(buf.server);
app.bufferStore.put({
name: buf.name,
server: client.params,
unread: Unread.NONE,
receipts,
});
});
return { buffers };
});
},
},
{
key: "a",
altKey: true,
description: "Jump to next buffer with activity",
execute: (app) => {
// TODO: order by age if same priority
let firstServerBuffer = null;
let target = null;
for (let buf of app.state.buffers.values()) {
if (!firstServerBuffer && buf.type === BufferType.SERVER) {
firstServerBuffer = buf;
}
if (buf.unread === Unread.NONE) {
continue;
}
if (!target || Unread.compare(buf.unread, target.unread) > 0) {
target = buf;
}
}
if (!target) {
target = firstServerBuffer;
}
if (target) {
app.switchBuffer(target);
}
},
},
{
key: "ArrowUp",
altKey: true,
description: "Jump to the previous buffer",
execute: (app) => {
let prev = getSiblingBuffer(app.state.buffers, app.state.activeBuffer, -1);
if (prev) {
app.switchBuffer(prev);
}
},
},
{
key: "ArrowDown",
altKey: true,
description: "Jump to the next buffer",
execute: (app) => {
let next = getSiblingBuffer(app.state.buffers, app.state.activeBuffer, 1);
if (next) {
app.switchBuffer(next);
}
},
},
{
key: "k",
ctrlKey: true,
description: "Switch to a buffer",
execute: (app) => {
app.openDialog("switch");
},
},
];
export function setup(app) {
let byKey = {};
keybindings.forEach((binding) => {
if (!byKey[binding.key]) {
byKey[binding.key] = [];
}
byKey[binding.key].push(binding);
});
window.addEventListener("keydown", (event) => {
let candidates = byKey[event.key];
if (!candidates) {
return;
}
candidates = candidates.filter((binding) => {
return !!binding.altKey == event.altKey && !!binding.ctrlKey == event.ctrlKey;
});
if (candidates.length != 1) {
return;
}
event.preventDefault();
candidates[0].execute(app);
});
}
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