fix(app): optimize large review panes (#35375)

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Luke Parker 2026-07-06 16:26:03 +10:00 committed by GitHub
commit 3a149ba71c
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19 changed files with 1074 additions and 404 deletions

View file

@ -10,6 +10,9 @@ const sessionB = "ses_review_tab_b"
const titleA = "Alpha session"
const titleB = "Beta session"
const server = `http://${process.env.PLAYWRIGHT_SERVER_HOST ?? "127.0.0.1"}:${process.env.PLAYWRIGHT_SERVER_PORT ?? "4096"}`
const diffs = Array.from({ length: 2_740 }, (_, index) =>
fileDiff(`src/generated-${String(index).padStart(4, "0")}.ts`),
)
// Marks the review pane DOM node so a remount (fresh node) is detectable.
const PROBE = "original"
@ -25,20 +28,34 @@ test("keeps the v2 review pane mounted when switching session tabs in a workspac
await expectSessionTitle(page, titleA)
await page.getByRole("button", { name: "Toggle review" }).click()
const reviewTab = page.getByRole("tab", { name: /Review/ })
const reviewTabPanel = page.getByRole("tabpanel", { name: /Review/ })
await expect(reviewTab).toHaveAttribute("aria-controls", "session-side-panel-review-tabpanel")
await expect(reviewTabPanel).toHaveAttribute("id", "session-side-panel-review-tabpanel")
const review = page.locator('#review-panel [data-component="session-review-v2"]')
await expectAppVisible(review)
await expectAppVisible(page.getByRole("button", { name: /example\.ts/ }))
await expectAppVisible(page.getByRole("button", { name: "generated-0000.ts" }))
await writeProbe(page)
await switchTab(page, titleB)
await expectSessionTitle(page, titleB)
await expectAppVisible(review)
await expectAppVisible(page.getByRole("button", { name: "generated-0000.ts" }))
expect(await readProbe(page)).toBe(PROBE)
await switchTab(page, titleA)
await expectSessionTitle(page, titleA)
await expectAppVisible(review)
await expectAppVisible(page.getByRole("button", { name: "generated-0000.ts" }))
expect(await readProbe(page)).toBe(PROBE)
const viewport = page.locator('#review-panel [data-slot="session-review-v2-sidebar-tree"] .scroll-view__viewport')
await viewport.hover()
await page.mouse.wheel(0, 100_000)
await expect
.poll(() => viewport.evaluate((element) => element.scrollHeight - element.clientHeight - element.scrollTop))
.toBeLessThanOrEqual(1)
await expect(page.getByRole("button", { name: "generated-2739.ts" })).toBeVisible()
})
type Probed = HTMLElement & { __e2eProbe?: string }
@ -80,16 +97,7 @@ async function setup(page: Page) {
default: { providerID: "opencode", modelID: "test" },
},
sessions: [session(sessionA, titleA, 1700000000000), session(sessionB, titleB, 1700000001000)],
vcsDiff: [
{
file: "src/example.ts",
additions: 1,
deletions: 1,
status: "modified",
patch:
"diff --git a/src/example.ts b/src/example.ts\n--- a/src/example.ts\n+++ b/src/example.ts\n@@ -1 +1 @@\n-export const value = 'before'\n+export const value = 'after'\n",
},
],
vcsDiff: diffs,
pageMessages: () => ({ items: [] }),
})
@ -127,3 +135,13 @@ function session(id: string, title: string, created: number) {
function sessionHref(sessionID: string) {
return `/server/${base64Encode(server)}/session/${sessionID}`
}
function fileDiff(file: string) {
return {
file,
additions: 1,
deletions: 1,
status: "modified",
patch: `diff --git a/${file} b/${file}\n--- a/${file}\n+++ b/${file}\n@@ -1 +1 @@\n-export const value = 'before'\n+export const value = 'after'\n`,
}
}

View file

@ -0,0 +1,212 @@
import { expect, test, type Page } from "@playwright/test"
import { mockOpenCodeServer } from "../utils/mock-server"
import { expectSessionTitle } from "../utils/waits"
const directory = "C:/OpenCode/ReviewTerminalStacked"
const projectID = "proj_review_terminal_stacked"
const sessionID = "ses_review_terminal_stacked"
const title = "Review terminal stacked"
const branchDiffs = [
fileDiff(".github/actions/setup-bun/action.yml", 7),
...Array.from({ length: 2_739 }, (_, index) =>
fileDiff(`src/branch/generated-${String(index).padStart(4, "0")}.ts`, 100),
),
]
test("keeps the review tree and terminal sized when both panels are open", async ({ page }) => {
test.setTimeout(120_000)
await page.setViewportSize({ width: 1400, height: 900 })
await mockOpenCodeServer(page, {
directory,
project: {
id: projectID,
worktree: directory,
vcs: "git",
name: "review-terminal-stacked",
time: { created: 1700000000000, updated: 1700000000000 },
sandboxes: [],
},
provider: {
all: [
{
id: "opencode",
name: "OpenCode",
models: { test: { id: "test", name: "Test", limit: { context: 200_000 } } },
},
],
connected: ["opencode"],
default: { providerID: "opencode", modelID: "test" },
},
sessions: [
{
id: sessionID,
slug: "review-terminal-stacked",
projectID,
directory,
title,
version: "dev",
time: { created: 1700000000000, updated: 1700000000000 },
},
],
pageMessages: () => ({ items: [] }),
})
await page.route(/\/vcs(?:\?.*)?$/, (route) =>
route.fulfill({
status: 200,
contentType: "application/json",
body: JSON.stringify({ branch: "review-pane-performance", default_branch: "dev" }),
}),
)
await page.route("**/vcs/diff**", (route) =>
route.fulfill({
status: 200,
contentType: "application/json",
body: JSON.stringify(
new URL(route.request().url()).searchParams.get("mode") === "branch"
? branchDiffs
: Array.from({ length: 7 }, (_, index) => fileDiff(`src/git-${index}.ts`, 1)),
),
}),
)
await page.route("**/pty", (route) =>
route.fulfill({
status: 200,
contentType: "application/json",
body: JSON.stringify({ id: "pty_review_terminal", title: "Terminal 1" }),
}),
)
await page.route("**/pty/pty_review_terminal", (route) =>
route.fulfill({ status: 200, contentType: "application/json", body: "{}" }),
)
await page.routeWebSocket("**/pty/pty_review_terminal/connect", () => undefined)
await page.addInitScript(() => {
localStorage.setItem("settings.v3", JSON.stringify({ general: { newLayoutDesigns: true } }))
localStorage.setItem(
"opencode.global.dat:layout",
JSON.stringify({ review: { diffStyle: "split", panelOpened: true } }),
)
})
await page.goto(`/${base64Encode(directory)}/session/${sessionID}`)
await expectSessionTitle(page, title)
await expect(page.locator("#review-panel")).toBeVisible()
await expectTree(page, 8, "git-0.ts")
await selectMode(page, "Git changes", "Branch changes")
await expect(page.getByRole("tab", { name: "Review 2740" })).toBeVisible()
await page.keyboard.press("Control+Backquote")
await expect(page.locator("#terminal-panel")).toBeVisible()
await expectTree(page, 2_745, "action.yml")
await expectStackGeometry(page)
const treeViewport = page.locator('#review-panel [data-slot="session-review-v2-sidebar-tree"] .scroll-view__viewport')
await treeViewport.hover()
await page.mouse.wheel(0, 100_000)
await expect
.poll(() => treeViewport.evaluate((element) => element.scrollHeight - element.clientHeight - element.scrollTop))
.toBeLessThanOrEqual(1)
const lastFile = page.getByRole("button", { name: "generated-2738.ts" })
await expect(lastFile).toBeVisible()
const bottomGap = await lastFile.evaluate((element) => {
const viewport = element.closest<HTMLElement>(".scroll-view__viewport")!.getBoundingClientRect()
return viewport.bottom - element.getBoundingClientRect().bottom
})
expect(bottomGap).toBeGreaterThanOrEqual(0)
expect(bottomGap).toBeLessThanOrEqual(16)
await selectMode(page, "Branch changes", "Git changes")
await expectTree(page, 8, "git-0.ts")
await selectMode(page, "Git changes", "Branch changes")
await expectTree(page, 2_745, "action.yml")
const filter = page.getByRole("searchbox", { name: "Filter files" })
await filter.fill("generated-2738")
await expectTree(page, 1, "generated-2738.ts")
await filter.fill("")
await expectTree(page, 2_745, "action.yml")
await page.getByRole("button", { name: "Toggle file tree" }).click()
await expect(page.locator('[data-slot="session-review-v2-sidebar"]')).toHaveAttribute("aria-hidden", "true")
await expect(page.locator('#review-panel [data-component="file-tree-v2"]')).toHaveCount(1)
await page.getByRole("button", { name: "Toggle file tree" }).click()
await expectTree(page, 2_745, "action.yml")
await page.keyboard.press("Control+Backquote")
await expect(page.locator("#terminal-panel")).toHaveCount(0)
await expectTree(page, 2_745, "action.yml")
await page.keyboard.press("Control+Backquote")
await expect(page.locator("#terminal-panel")).toBeVisible()
await expectTree(page, 2_745, "action.yml")
await page.getByRole("button", { name: "Toggle review" }).click()
await expect(page.locator("#review-panel")).toHaveAttribute("aria-hidden", "true")
await expect(page.locator('#review-panel [data-component="file-tree-v2"]')).toHaveCount(1)
await page.getByRole("button", { name: "Toggle review" }).click()
await expectTree(page, 2_745, "action.yml")
await page.setViewportSize({ width: 1_000, height: 700 })
await expectTree(page, 2_745, "action.yml")
await expectStackGeometry(page)
await page.setViewportSize({ width: 1_000, height: 120 })
await page.setViewportSize({ width: 1_400, height: 900 })
await expectTree(page, 2_745, "action.yml")
await expectStackGeometry(page)
})
async function selectMode(page: Page, current: string, next: string) {
await page.getByRole("button", { name: current }).click()
const option = page.getByRole("option", { name: next })
await expect(option).toBeVisible()
await option.click()
}
async function expectTree(page: Page, total: number, file: string) {
await expectMountedTree(page, total)
await expect(page.getByRole("button", { name: file })).toBeVisible()
}
async function expectMountedTree(page: Page, total: number) {
const tree = page.locator('#review-panel [data-component="file-tree-v2"]')
await expect(tree).toHaveAttribute("data-total-rows", String(total))
await expect
.poll(() => tree.evaluate((element) => element.querySelectorAll('[data-slot="file-tree-v2-row"]').length))
.toBeGreaterThan(0)
const state = await tree.evaluate((element) => ({
root: element.getBoundingClientRect().height,
viewport: element.closest<HTMLElement>(".scroll-view__viewport")!.getBoundingClientRect().height,
rows: element.querySelectorAll('[data-slot="file-tree-v2-row"]').length,
}))
expect(state.viewport).toBeGreaterThan(0)
expect(state.root).toBeGreaterThan(0)
expect(state.rows).toBeGreaterThan(0)
expect(state.rows).toBeLessThanOrEqual(60)
}
async function expectStackGeometry(page: Page) {
const geometry = await page.evaluate(() => {
const review = document.querySelector<HTMLElement>("#review-panel")!
const terminal = document.querySelector<HTMLElement>("#terminal-panel")!
const reviewParent = review.parentElement!.getBoundingClientRect()
const terminalParent = terminal.parentElement!.getBoundingClientRect()
return {
review: review.getBoundingClientRect().height,
reviewParent: reviewParent.height,
terminal: terminal.getBoundingClientRect().height,
terminalParent: terminalParent.height,
}
})
expect(Math.abs(geometry.review - geometry.reviewParent)).toBeLessThanOrEqual(1)
expect(Math.abs(geometry.terminal - geometry.terminalParent)).toBeLessThanOrEqual(1)
}
function base64Encode(value: string) {
return Buffer.from(value, "utf8").toString("base64").replace(/\+/g, "-").replace(/\//g, "_").replace(/=/g, "")
}
function fileDiff(file: string, additions: number) {
return {
file,
additions,
deletions: 0,
status: "modified",
patch: `diff --git a/${file} b/${file}\n--- a/${file}\n+++ b/${file}\n@@ -1 +1 @@\n-export const value = 'before'\n+export const value = 'after'\n`,
}
}