fix: block change lines may be undefined

[ensorrow]

Types

• 🐛 Bug Fixes

Background or solution

fix: block change lines may be undefined

Changelog

fix: block change lines may be undefined

Summary by CodeRabbit

• 修复
  • 优化了文件变更统计的默认行为，确保在特殊情况下依然能正确显示删除和新增的数量。

[coderabbitai]

Walkthrough

此次更改将 getFileChanges 函数中 rangesFromDiffHunk 的默认值从空数组 [] 修改为 [0, 0]，确保在 block.applyResult?.diff 未定义或 reduce 操作返回假值时，rangesFromDiffHunk 始终为包含两个数字元素的元组。

Changes

文件路径	变更摘要
packages/ai-native/src/browser/chat/chat.view.tsx	修改 getFileChanges 中 rangesFromDiffHunk 的默认值，从 [] 改为 [0, 0]。

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🐞 bug

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yarn install v1.22.22
[1/4] Resolving packages...
warning [email protected]: This version is no longer supported. Please see https://eslint.org/version-support for other options.
warning eslint > @humanwhocodes/[email protected]: Use @eslint/config-array instead
warning eslint > @humanwhocodes/config-array > @humanwhocodes/[email protected]: Use @eslint/object-schema instead
warning eslint > file-entry-cache > flat-cache > [email protected]: Rimraf versions prior to v4 are no longer supported
warning eslint > file-entry-cache > flat-cache > rimraf > [email protected]: Glob versions prior to v9 are no longer supported
warning eslint > file-entry-cache > flat-cache > rimraf > glob > [email protected]: This module is not supported, and leaks memory. Do not use it. Check out lru-cache if you want a good and tested way to coalesce async requests by a key value, which is much more comprehensive and powerful.
warning eslint-import-resolver-typescript > [email protected]: Glob versions prior to v9 are no longer supported
error Couldn't find any versions for "@opensumi/ide-dev-tool" that matches "workspace:*"
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.

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📥 Commits

Reviewing files that changed from the base of the PR and between 4f0501b and 519684d.

📒 Files selected for processing (1)

• packages/ai-native/src/browser/chat/chat.view.tsx (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (8)

• GitHub Check: unittest (macos-latest, 18.x, node)
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🔇 Additional comments (1)

packages/ai-native/src/browser/chat/chat.view.tsx (1)

79-89: 修复了潜在的 undefined 数组访问问题，确保返回值始终有效

将 rangesFromDiffHunk 的默认值从 [] 更改为 [0, 0] 是一个很好的防御性编程措施。这确保了即使 block.applyResult?.diff 未定义或 reduce 操作返回假值，代码后续在访问 rangesFromDiffHunk[0] 和 rangesFromDiffHunk[1] 时（见第 92-93 行）也不会出现问题。

该修复与 PR 目标一致，有效解决了"block change lines may be undefined"的问题。

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.88%. Comparing base (4f0501b) to head (519684d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4544   +/-   ##
=======================================
  Coverage   52.88%   52.88%           
=======================================
  Files        1677     1677           
  Lines      103354   103354           
  Branches    22381    22389    +8     
=======================================
  Hits        54657    54657           
  Misses      40519    40519           
  Partials     8178     8178           

Flag	Coverage Δ
jsdom	48.39% <ø> (ø)
node	12.06% <ø> (ø)

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