Open workspace files in desktop targets

2026-06-03 18:34:24 +08:00
parent 45f412456c
commit 3681fd132b
30 changed files with 1830 additions and 822 deletions
@@ -1,5 +1,9 @@
 import { describe, expect, it } from "vitest";
-import { buildGitHubBranchTreeUrl, parseGitHubRepoFromRemote } from "./github-url";
+import {
+  buildGitHubBlobUrl,
+  buildGitHubBranchTreeUrl,
+  parseGitHubRepoFromRemote,
+} from "./github-url";

 describe("parseGitHubRepoFromRemote", () => {
  it.each([
@@ -51,3 +55,78 @@ describe("buildGitHubBranchTreeUrl", () => {
    ).toBeNull();
  });
 });
+
+describe("buildGitHubBlobUrl", () => {
+  it("builds a blob URL for a file path", () => {
+    expect(
+      buildGitHubBlobUrl({
+        remoteUrl: "git@github.com:acme/repo.git",
+        branch: "main",
+        path: "src/index.ts",
+      }),
+    ).toBe("https://github.com/acme/repo/blob/main/src/index.ts");
+  });
+
+  it("appends a single-line anchor", () => {
+    expect(
+      buildGitHubBlobUrl({
+        remoteUrl: "https://github.com/acme/repo.git",
+        branch: "main",
+        path: "src/index.ts",
+        lineStart: 12,
+      }),
+    ).toBe("https://github.com/acme/repo/blob/main/src/index.ts#L12");
+  });
+
+  it("appends a line range anchor", () => {
+    expect(
+      buildGitHubBlobUrl({
+        remoteUrl: "https://github.com/acme/repo.git",
+        branch: "main",
+        path: "src/index.ts",
+        lineStart: 12,
+        lineEnd: 20,
+      }),
+    ).toBe("https://github.com/acme/repo/blob/main/src/index.ts#L12-L20");
+  });
+
+  it("strips leading slashes and encodes path segments", () => {
+    expect(
+      buildGitHubBlobUrl({
+        remoteUrl: "https://github.com/acme/repo.git",
+        branch: "main",
+        path: "/src/a b/c#d.ts",
+      }),
+    ).toBe("https://github.com/acme/repo/blob/main/src/a%20b/c%23d.ts");
+  });
+
+  it("normalizes harmless dot segments in the blob path", () => {
+    expect(
+      buildGitHubBlobUrl({
+        remoteUrl: "https://github.com/acme/repo.git",
+        branch: "main",
+        path: "./src/../index.ts",
+      }),
+    ).toBe("https://github.com/acme/repo/blob/main/index.ts");
+  });
+
+  it("returns null for blob paths that escape above the repo root", () => {
+    expect(
+      buildGitHubBlobUrl({
+        remoteUrl: "https://github.com/acme/repo.git",
+        branch: "main",
+        path: "../outside.ts",
+      }),
+    ).toBeNull();
+  });
+
+  it("returns null when the path is missing", () => {
+    expect(
+      buildGitHubBlobUrl({
+        remoteUrl: "https://github.com/acme/repo.git",
+        branch: "main",
+        path: "",
+      }),
+    ).toBeNull();
+  });
+});
@@ -20,3 +20,50 @@ export function buildGitHubBranchTreeUrl(input: {
  const encodedBranch = branch.split("/").map(encodeURIComponent).join("/");
  return `https://github.com/${repo}/tree/${encodedBranch}`;
 }
+
+function normalizeGitHubBlobPath(path: string | null | undefined): string | null {
+  const segments: string[] = [];
+  const trimmed = path?.trim().replace(/\\/g, "/").replace(/^\/+/, "");
+  if (!trimmed) {
+    return null;
+  }
+  for (const segment of trimmed.split("/")) {
+    if (!segment || segment === ".") {
+      continue;
+    }
+    if (segment === "..") {
+      if (segments.length === 0) {
+        return null;
+      }
+      segments.pop();
+      continue;
+    }
+    segments.push(segment);
+  }
+  return segments.join("/") || null;
+}
+
+export function buildGitHubBlobUrl(input: {
+  remoteUrl: string | null | undefined;
+  branch: string | null | undefined;
+  path: string | null | undefined;
+  lineStart?: number;
+  lineEnd?: number;
+}): string | null {
+  const repo = parseGitHubRepoFromRemote(input.remoteUrl);
+  const branch = input.branch?.trim();
+  const filePath = normalizeGitHubBlobPath(input.path);
+  if (!repo || !branch || branch === "HEAD" || !filePath) {
+    return null;
+  }
+  const encodedBranch = branch.split("/").map(encodeURIComponent).join("/");
+  const encodedPath = filePath.split("/").map(encodeURIComponent).join("/");
+  let url = `https://github.com/${repo}/blob/${encodedBranch}/${encodedPath}`;
+  if (input.lineStart && input.lineStart > 0) {
+    url += `#L${input.lineStart}`;
+    if (input.lineEnd && input.lineEnd > input.lineStart) {
+      url += `-L${input.lineEnd}`;
+    }
+  }
+  return url;
+}