Vihren Atlas

agentHostPullRequestOperationHandler.ts ×10

Code frontier

unlabeled · c_54aa72ff43ca

2 tests · 24486 LOC · 105 files · introduces 0 tests · 57 LOC · 1 file

Introduces — evidence that enters the hierarchy at this concept

Code
10 ranges57 lines · 1 files
Tests
0 tests

Contains — complete concept membership

All code (extent)
2209 ranges24486 lines · 105 files · Browse complete extent
All tests (intent)
2 testsBrowse complete intent

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Introduced tests

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No tests are introduced at this concept. Its intent tests are introduced by other concepts.

Introduced code

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1 file ranked by introduced lines: 57 introduced LOC across 10 ranges. Expand a file to inspect source; the > gutter marks introduced lines.

src/vs/platform/agentHost/node/agentHostPullRequestOperationHandler.ts 57 introduced LOC · 10 ranges

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355 return undefined;
356 }
357 > agentHostPullRequestOperationHandler.ts
358 > const conversation = buildConversationContext(sessionState.turns, { maxChars: MAX_PR_CONVERSATION_CONTEXT_CHARS });
359 > const changeSummary = this._summarizeDiffsForPrompt(branchChanges);
360 if (!conversation && !changeSummary) {
361 return undefined;
362 }
363 > agentHostPullRequestOperationHandler.ts
364 > try {
365 > const raw = await this._copilotApiService.utilityChatCompletion(copilotToken, {
366 > messages: this._buildTitleAndDescriptionPrompt(branchName, base, conversation, changeSummary),
367 > }, { signal });
368 this._throwIfCancelled(token);
369 return this._parseTitleAndDescription(raw);
370 > } catch (err) { agentHostPullRequestOperationHandler.ts
371 if (token.isCancellationRequested) {
372 return undefined;
378
379 private _buildTitleAndDescriptionPrompt(branchName: string, base: string, conversation: string | undefined, changeSummary: string): ICopilotUtilityChatMessage[] {
380 > const userSections: string[] = [ agentHostPullRequestOperationHandler.ts
381 > `Branch: ${branchName}`,
382 > `Base branch: ${base}`,
383 > ];
384 > if (changeSummary) {
385 > userSections.push(`Changed files:\n${changeSummary}`);
386 > }
387 > if (conversation) {
388 userSections.push(`Conversation (the request that produced these changes):\n${conversation}`);
389 }
390 > return [ agentHostPullRequestOperationHandler.ts
391 > {
392 > role: 'system',
393 > content: [
394 > 'You write clear, concise GitHub pull request titles and descriptions.',
395 > 'The first line of your reply is the PR title: a short imperative summary under 72 characters, with no "Title:" prefix, no surrounding quotes, and no markdown heading.',
396 > 'After the title, add one blank line, then write the PR description in GitHub-flavored markdown.',
397 > 'Summarize what changed and why, grounded in the conversation and changed files. Use a short paragraph and/or bullet points.',
398 > 'Do not invent changes that are not supported by the provided context, and do not wrap the whole reply in code fences.',
399 > ].join(' '),
400 > },
401 > {
402 > role: 'user',
403 > content: userSections.join('\n\n'),
404 > },
405 > ];
406 > }
407
408 private _summarizeDiffsForPrompt(diffs: readonly ISessionFileDiff[]): string {
409 > const lines: string[] = []; agentHostPullRequestOperationHandler.ts
410 > let length = 0;
411 > for (const diff of diffs) {
412 > const before = diff.before?.uri;
413 > const after = diff.after?.uri;
414 > const path = after ?? before ?? '(unknown)';
415 > let kind = 'Edit';
416 > if (!before && after) {
417 > kind = 'Create';
418 > } else if (before && !after) {
419 kind = 'Delete';
420 } else if (before && after && before !== after) {
421 kind = 'Rename';
422 }
423 > const line = `- ${kind}: ${this._displayUri(path)} (+${diff.diff?.added ?? 0} -${diff.diff?.removed ?? 0})`; agentHostPullRequestOperationHandler.ts
424 > lines.push(line);
425 > // `+ 1` accounts for the newline that joins this line to the previous one.
426 > length += line.length + (lines.length > 1 ? 1 : 0);
427 > if (length > MAX_PR_CHANGE_SUMMARY_CHARS) {
428 lines.push('[file list truncated]');
429 break;
430 }
431 > } agentHostPullRequestOperationHandler.ts
432 > return lines.join('\n');
433 > }
434
435 private _displayUri(uri: string): string {
436 > try { agentHostPullRequestOperationHandler.ts
437 > const parsed = URI.parse(uri);
438 > return parsed.scheme === 'file' ? parsed.fsPath : parsed.path || uri;
439 > } catch {
440 return uri;
441 }
442 > } agentHostPullRequestOperationHandler.ts
443
444 private _parseTitleAndDescription(raw: string): { title: string; description: string } | undefined {

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