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small gleam coding and persistent agent daemon with a detachable cli and a canvas ui forked from okami.mom/albedo
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257<script lang="ts"> import type { SelectedLineRange } from '@pierre/diffs'; import { untrack } from 'svelte'; import { SvelteSet } from 'svelte/reactivity'; import type { HistoryEntry } from '../api'; import { namer } from '../burst'; import { busy } from '../live.svelte'; import { readTurn, turnChanges, type FileChanges } from '../review'; import { sessions } from '../sessions.svelte';
import type { Component } from 'svelte';
// The highlighter is large; it loads with the first review. const DiffView = import('./DiffView.svelte').then((module) => module.default); let View = $state.raw<Component<{ key: string; path: string; change: number; diff: string; oncomment?: (range: SelectedLineRange) => void }>>();
// A turn's changes, file by file, read from its history and highlighted: // the files with their counts, then each file's diffs in order. It is the // body of the review window on the canvas and of the review that opens // inside a chat on a phone; whoever holds it decides how to scroll to a // file and what the margin's comment button does, if anything. let { sessionId, turnId, from, workspace, jump, keyOf, scroll = (target) => target.scrollIntoView({ block: 'start' }), oncomment, count = () => 0, onfiles, }: { sessionId: string; turnId: string; from: number; workspace: string; jump?: { path: string; at: number }; keyOf: (path: string, change: number) => string; scroll?: (target: HTMLElement) => void; oncomment?: (path: string, change: number, range: SelectedLineRange) => void; count?: (path: string) => number; onfiles?: (files: FileChanges[]) => void; } = $props();
const name = $derived(namer(workspace)); /** The file and its folder, which is what tells most files apart; the full path is its title. */ function short(path: string) { const parts = name(path).split('/'); return parts.length > 2 ? `…/${parts.slice(-2).join('/')}` : parts.join('/'); } let files = $state<FileChanges[] | null>(null); let error = $state<string | null>(null); let element = $state<HTMLElement>();
// While the session works the turn may still be editing, so the review // reads what came after the entries it has every few seconds, and once // more when the session stops. A file that changed glows for a moment. const POLL_MS = 2500; const working = $derived(busy(sessions.byId.get(sessionId))); const changed = new SvelteSet<string>(); let entries: HistoryEntry[] = []; const read = new Map<string, HistoryEntry>(); let reading: Promise<void> | null = null;
function refresh() { reading ??= (async () => { try { const after = entries.at(-1)?.position; const arrived = await (after === undefined ? readTurn(sessionId, turnId, from) : readTurn(sessionId, turnId, after + 1, false)); if (entries.length && !arrived.length) return; entries = [...entries, ...arrived]; const [found, loaded] = await Promise.all([turnChanges(entries, read), DiffView]); View = loaded; const before = new Map(files?.map((file) => [file.path, file.changes.length]) ?? []); if (files) for (const file of found) if (before.get(file.path) !== file.changes.length) glow(file.path); files = found; onfiles?.(found); } catch (failure) { error = String((failure as Error)?.message ?? failure); } finally { reading = null; } })(); return reading; }
function glow(path: string) { changed.add(path); setTimeout(() => changed.delete(path), 1600); }
$effect(() => { sessionId; turnId; from; untrack(() => { entries = []; read.clear(); refresh(); }); });
$effect(() => { if (!working) { untrack(refresh); return; } const timer = setInterval(refresh, POLL_MS); return () => clearInterval(timer); });
function show(index: number) { const target = element?.querySelector<HTMLElement>(`[data-file="${index}"]`); if (target) scroll(target); }
// Asked from a work line in the chat: bring that file into view once. let jumped: number | undefined; $effect(() => { const path = jump?.path; const at = jump?.at; if (!path || at === undefined || at === jumped) return; const index = files?.findIndex((file) => file.path === path) ?? -1; if (index < 0) return; jumped = at; requestAnimationFrame(() => show(index)); });</script>
<div class="review-view" bind:this={element}> {#if error} <p class="quiet error">(｡•︿•｡) couldn't read this turn: {error}</p> {:else if !files} <p class="quiet">(・ω・)ﾉ gathering the changes…</p> {:else if !files.length} <p class="quiet">(・_・ ) this turn changed no files</p> {:else} <nav class="index" aria-label="Files"> {#each files as file, index (file.path)} <button class:changed={changed.has(file.path)} onclick={() => show(index)} title={file.path}> <span class="path">{short(file.path)}</span> {#if count(file.path)}<span class="said" title="notes">{count(file.path)} ✎</span>{/if} <span class="counts"><span class="added">+{file.added}</span> <span class="removed">−{file.removed}</span></span> </button> {/each} </nav> {#each files as file, index (file.path)} <section class="file" data-file={index}> <h3 title={file.path}>{short(file.path)}</h3> {#each file.changes as change, step (step)} {#if change.reason} <p class="quiet">no diff to show: {change.reason}</p> {:else} {#if View} <View key={keyOf(file.path, step)} path={file.path} change={step} diff={change.diff} oncomment={oncomment && ((range) => oncomment(file.path, step, range))} /> {/if} {/if} {/each} </section> {/each} {/if}</div>
<style> .quiet { margin: 18px 0; color: var(--muted); font-size: calc(12.5px * var(--canvas-scale)); text-align: center; } .error { color: var(--danger); } .counts { flex: none; font-variant-numeric: tabular-nums; white-space: nowrap; } .added { color: var(--added); } .removed { color: var(--danger); } .index { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px; margin-bottom: 18px; padding: 6px; background: var(--well); border-radius: 10px; } .index button { display: flex; min-width: 0; align-items: baseline; gap: 12px; padding: 5px 8px; color: var(--text); font: inherit; font-size: calc(12.5px * var(--canvas-scale)); text-align: left; background: none; border: 0; border-radius: 6px; cursor: pointer; } .index button:hover { background: var(--hover); } .index button.changed { animation: glow 1600ms cubic-bezier(0.23, 1, 0.32, 1); } @keyframes glow { from { background: color-mix(in oklab, var(--added) 22%, transparent); } } @media (prefers-reduced-motion: reduce) { .index button.changed { animation: none; } } .path { flex: 0 1 auto; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; } .said { color: var(--accent); font-size: calc(11.5px * var(--canvas-scale)); } .file + .file { margin-top: 22px; } h3 { position: sticky; top: var(--review-sticky-top, -14px); z-index: 1; margin: 0 -16px 8px; padding: 8px 16px; overflow: hidden; font-size: calc(13px * var(--canvas-scale)); font-weight: 600; white-space: nowrap; text-overflow: ellipsis; background: var(--review-ground, var(--surface)); } .file :global(.diff + .diff) { margin-top: 10px; }</style>