260 lines
9.7 KiB
JavaScript
260 lines
9.7 KiB
JavaScript
import { get } from "./api.js";
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import { errorText, h, replace } from "./dom.js";
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import { onEach, pinSnapshot, snapshots, state } from "./state.js";
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const statusLetter = {
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added: "A",
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modified: "M",
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deleted: "D",
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renamed: "R",
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type_changed: "T",
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};
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const open = new Set();
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let range = "main";
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let pinRange = "step";
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const emptyText = {
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main: "No changes from the default branch.",
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turn: "No changes this turn.",
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step: "This step changed nothing.",
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};
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function turnStart() {
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const ev = state.transcript.findLast((e) => e.kind === "user.message" && typeof e.payload["head"] === "string");
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return ev?.payload["head"];
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}
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export function mountChanges(root, compact = false) {
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const head = h("header", { class: "changes-header" });
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const list = h("div", { class: "changes-list" });
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const diffs = new Map();
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let changes;
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let error = "";
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let loading = false;
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let again = false;
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let timer;
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let disposed = false;
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let loadedSince;
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let target = 0;
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const pinned = () => (compact ? undefined : state.pinned);
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const mode = () => (compact ? "main" : pinned() !== undefined ? pinRange : range);
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const load = async () => {
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const taskId = state.selectedTaskId;
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if (!taskId) {
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changes = undefined;
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render();
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return;
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}
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const snapshot = pinned();
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const since = snapshot === undefined && mode() === "turn" ? turnStart() : undefined;
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if (snapshot === undefined && mode() === "turn" && !since) {
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changes = undefined;
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error = "No turn has started in this task yet.";
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render();
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return;
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}
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if (loading) {
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again = true;
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return;
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}
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loading = true;
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const started = target;
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renderHead();
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try {
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const query = snapshot === undefined ? { since } : { snapshot, step: pinRange === "step" };
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const fresh = await get("/api/tasks/{taskId}/changes", { path: { taskId }, query });
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if (started === target) {
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loadedSince = since;
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if (fresh.tree !== changes?.tree || fresh.base !== changes?.base) {
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diffs.clear();
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}
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changes = fresh;
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error = "";
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}
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}
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catch (err) {
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if (started === target) {
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error = errorText(err);
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}
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}
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finally {
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loading = false;
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}
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if (disposed) {
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return;
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}
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render();
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if (again) {
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again = false;
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void load();
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}
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};
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const retarget = () => {
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target++;
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clearTimeout(timer);
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changes = undefined;
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diffs.clear();
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error = "";
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render();
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void load();
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};
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const soon = () => {
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clearTimeout(timer);
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timer = setTimeout(() => void load(), 1500);
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};
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const toggle = () => {
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if (compact) {
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return null;
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}
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if (pinned() !== undefined) {
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const button = (r, label) => {
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const b = h("button", { type: "button", class: r === pinRange ? "active" : "" }, label);
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b.onclick = () => {
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if (pinRange === r) {
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return;
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}
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pinRange = r;
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retarget();
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};
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return b;
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};
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const live = h("button", { type: "button", title: "Back to the live worktree" }, "Live");
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live.onclick = () => pinSnapshot(undefined);
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return h("nav", { class: "range-tabs" }, button("main", "Since main"), button("step", "This step"), live);
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}
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const button = (r, label) => {
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const b = h("button", { type: "button", class: r === range ? "active" : "" }, label);
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b.onclick = () => {
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if (range === r) {
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return;
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}
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range = r;
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retarget();
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};
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return b;
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};
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return h("nav", { class: "range-tabs" }, button("main", "Since main"), button("turn", "This turn"));
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};
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const where = () => {
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const n = pinned();
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if (n === undefined) {
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return null;
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}
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const snaps = snapshots();
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const snap = snaps.find((s) => s.n === n);
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const step = (to, label) => {
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const b = h("button", { type: "button", class: "snap-step", disabled: !snaps.some((s) => s.n === to) }, label);
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b.onclick = () => pinSnapshot(to);
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return b;
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};
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return h("div", { class: "snap-where" }, `snapshot ${n}`, snap ? ` · ${snap.trigger} · ${new Date(snap.created_at).toLocaleTimeString([], { hour12: false })}` : "", " · ", step(n - 1, `← #${n - 1}`), " ", step(n + 1, `#${n + 1} →`));
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};
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const renderHead = () => {
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if (!changes) {
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replace(head, h("div", { class: "changes-where" }, where(), h("span", { class: "changes-summary" }, error || (state.selectedTaskId ? "Loading changes…" : "No task selected."))), toggle());
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return;
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}
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const adds = changes.files.reduce((n, f) => n + f.additions, 0);
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const dels = changes.files.reduce((n, f) => n + f.deletions, 0);
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replace(head, h("div", { class: "changes-where" }, where(), h("span", { class: "changes-summary" }, `${changes.files.length} ${changes.files.length === 1 ? "file" : "files"} `, h("span", { class: "adds" }, `+${adds}`), " ", h("span", { class: "dels" }, `−${dels}`), h("span", { class: "base", title: changes.base }, ` vs ${changes.base.slice(0, 8)}`), error && h("span", { class: "error-text" }, ` ${error}`))), toggle());
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};
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const fileRow = (c, f) => {
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const body = h("div", { class: "file-diff" });
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const details = h("details", { class: `file ${f.status}`, open: open.has(f.path) }, h("summary", {}, h("span", { class: `status ${f.status}`, title: f.status.replace("_", " ") }, statusLetter[f.status]), h("span", { class: "file-path" }, f.old_path ? `${f.old_path} → ${f.path}` : f.path), f.binary ? h("span", { class: "binary" }, "binary") : h("span", { class: "counts" }, h("span", { class: "adds" }, `+${f.additions}`), " ", h("span", { class: "dels" }, `−${f.deletions}`))), body);
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const show = async () => {
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const cached = diffs.get(f.path);
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if (cached !== undefined) {
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replace(body, renderPatch(cached));
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return;
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}
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replace(body, h("div", { class: "hint" }, "loading…"));
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try {
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const d = await get("/api/tasks/{taskId}/diff", {
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path: { taskId: state.selectedTaskId },
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query: { base: c.base, tree: c.tree, path: f.path, old_path: f.old_path },
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});
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diffs.set(f.path, d.patch);
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replace(body, renderPatch(d.patch));
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}
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catch (err) {
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replace(body, h("div", { class: "error-text" }, errorText(err)));
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}
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};
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details.ontoggle = () => {
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if (details.open) {
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open.add(f.path);
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void show();
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}
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else {
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open.delete(f.path);
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}
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};
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if (details.open) {
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void show();
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}
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return details;
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};
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const render = () => {
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renderHead();
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if (compact) {
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return;
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}
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if (!state.selectedTaskId) {
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replace(list, h("div", { class: "empty" }, "No task selected."));
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return;
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}
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if (!changes) {
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replace(list, h("div", { class: "empty" }, error ? "" : "Loading…"));
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return;
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}
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if (changes.files.length === 0) {
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replace(list, h("div", { class: "empty" }, emptyText[mode()]));
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return;
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}
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const c = changes;
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const files = [...c.files].sort((a, b) => a.path.localeCompare(b.path));
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replace(list, ...files.map((f) => fileRow(c, f)));
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};
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const offs = [
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onEach(["selection"], retarget),
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onEach(["pin"], () => {
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if (!compact) {
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retarget();
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}
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}),
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onEach(["transcript"], (fresh) => {
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if (pinned() !== undefined) {
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if (fresh.some((ev) => ev.kind === "snapshot.created")) {
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renderHead();
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}
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return;
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}
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if (mode() === "turn" && turnStart() !== loadedSince) {
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void load();
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return;
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}
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if (fresh.some((ev) => ev.kind === "agent.tool_result" || ev.kind === "turn.ended")) {
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soon();
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}
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}),
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];
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replace(root, compact ? h("div", { class: "changes-view compact" }, head) : h("div", { class: "changes-view" }, head, list));
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render();
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void load();
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return () => {
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disposed = true;
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clearTimeout(timer);
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for (const off of offs) {
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off();
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}
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};
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}
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function renderPatch(patch) {
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const lines = patch.split("\n");
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const start = lines.findIndex((l) => l.startsWith("@@"));
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const body = start === -1 ? [] : lines.slice(start);
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if (body.length === 0) {
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return h("div", { class: "hint" }, "No textual changes.");
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}
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return h("pre", { class: "diff" }, ...body.map((l) => {
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const cls = l.startsWith("@@") ? "hunk" : l.startsWith("+") ? "add" : l.startsWith("-") ? "del" : l.startsWith("\\") ? "meta" : "ctx";
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return h("span", { class: `line ${cls}` }, l || " ");
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}));
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}
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//# sourceMappingURL=changes.js.map
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