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feat(diffs): changed-files summary nav for multi-file patch diffs (#100753)

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* feat(diffs): add changed-files summary nav for multi-file patch diffs

* docs: regenerate docs map for diffs multi-file navigation section

* fix(diffs): respect reduced motion in summary navigation
This commit is contained in:
Peter Steinberger
2026-07-06 16:55:56 +01:00
committed by GitHub
parent 8547682dd6
commit dc600d4a77
7 changed files with 362 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

104
extensions/diffs/src/render.test.ts
View File

@@ -40,6 +40,9 @@ describe("renderDiffDocument", () => {
expect(rendered.html).toContain("--diffs-line-height: 24px;");
expect(rendered.html).toContain("--diffs-font-size: 15px;");
expect(rendered.html).not.toContain("fonts.googleapis.com");
expect(rendered.html).not.toContain('<nav class="oc-diff-card oc-diff-nav"');
expect(rendered.html).toContain("@media (prefers-reduced-motion: reduce)");
expect(rendered.html).toContain("scroll-behavior: auto;");
});
it("normalizes non-finite presentation numbers before rendering CSS", async () => {
@@ -173,14 +176,16 @@ describe("renderDiffDocument", () => {
expect(payload.langs).toEqual(["abap"]);
});
it("renders multi-file patch input", async () => {
it("renders multi-file patch input with a changed-files summary nav", async () => {
const patch = [
"diff --git a/a.ts b/a.ts",
"--- a/a.ts",
"+++ b/a.ts",
"@@ -1 +1 @@",
"@@ -1,2 +1,3 @@",
"-const a = 1;",
"+const a = 2;",
"+const extra = true;",
" const keep = 0;",
"diff --git a/b.ts b/b.ts",
"--- a/b.ts",
"+++ b/b.ts",
@@ -214,6 +219,101 @@ describe("renderDiffDocument", () => {
expect(rendered.fileCount).toBe(2);
expect(rendered.html).toContain("Workspace patch");
expect(rendered.imageHtml).toContain("max-width: 1180px;");
const html = rendered.html ?? "";
expect(html).toContain('<nav class="oc-diff-card oc-diff-nav" aria-label="Changed files">');
expect(html).toContain("2 changed files");
expect(html).toContain(
'<span class="oc-diff-nav-additions">+3</span><span class="oc-diff-nav-deletions">-2</span>',
);
expect(html).toContain(
'<span class="oc-diff-nav-additions">+2</span><span class="oc-diff-nav-deletions">-1</span>',
);
expect(html).toContain('href="#oc-diff-file-1"');
expect(html).toContain('id="oc-diff-file-1"');
expect(html).toContain('href="#oc-diff-file-2"');
expect(html).toContain('id="oc-diff-file-2"');
expect(rendered.imageHtml).toContain('<nav class="oc-diff-card oc-diff-nav"');
});
it("labels added, deleted, and renamed files in the summary nav and escapes names", async () => {
const patch = [
"diff --git a/new.ts b/new.ts",
"new file mode 100644",
"--- /dev/null",
"+++ b/new.ts",
"@@ -0,0 +1 @@",
"+const created = true;",
"diff --git a/old.ts b/old.ts",
"deleted file mode 100644",
"--- a/old.ts",
"+++ /dev/null",
"@@ -1 +0,0 @@",
"-const removed = true;",
"diff --git a/before.ts b/after.ts",
"similarity index 90%",
"rename from before.ts",
"rename to after.ts",
"--- a/before.ts",
"+++ b/after.ts",
"@@ -1 +1 @@",
"-const v = 1;",
"+const v = 2;",
"diff --git a/a&b.ts b/a&b.ts",
"--- a/a&b.ts",
"+++ b/a&b.ts",
"@@ -1 +1 @@",
"-x",
"+y",
].join("\n");
const rendered = await renderDiffDocument(
{
kind: "patch",
patch,
},
{
presentation: DEFAULT_DIFFS_TOOL_DEFAULTS,
image: resolveDiffImageRenderOptions({ defaults: DEFAULT_DIFFS_TOOL_DEFAULTS }),
expandUnchanged: false,
},
"viewer",
);
const html = rendered.html ?? "";
expect(html).toContain("4 changed files");
expect(html).toContain('<span class="oc-diff-nav-badge" data-change="added">added</span>');
expect(html).toContain('<span class="oc-diff-nav-badge" data-change="deleted">deleted</span>');
expect(html).toContain('<span class="oc-diff-nav-badge" data-change="renamed">renamed</span>');
expect(html).toContain("before.ts &rarr; after.ts");
expect(html).toContain("a&amp;b.ts");
});
it("omits the summary nav for single-file patches", async () => {
const patch = [
"diff --git a/solo.ts b/solo.ts",
"--- a/solo.ts",
"+++ b/solo.ts",
"@@ -1 +1 @@",
"-const solo = 1;",
"+const solo = 2;",
].join("\n");
const rendered = await renderDiffDocument(
{
kind: "patch",
patch,
},
{
presentation: DEFAULT_DIFFS_TOOL_DEFAULTS,
image: resolveDiffImageRenderOptions({ defaults: DEFAULT_DIFFS_TOOL_DEFAULTS }),
expandUnchanged: false,
},
"viewer",
);
expect(rendered.fileCount).toBe(1);
expect(rendered.html).not.toContain('<nav class="oc-diff-card oc-diff-nav"');
});
it("rejects patches that exceed file-count limits", async () => {