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coverage

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🇺🇸

Original

English

🇨🇳

Translation

Chinese

Coverage Check

覆盖率检查

Context

背景

Run in parallel:

```
git diff --name-only
```
- get unstaged files
```
git diff -U0 --no-color
```
- get changed line numbers

并行执行：

```
git diff --name-only
```
- 获取未暂存文件
```
git diff -U0 --no-color
```
- 获取变更行号

Commands

命令

Sequential:

```
npm run test:ci
```
- vitest with coverage
```
npm run coverage:report
```
- generate lcov/text reports

按顺序执行：

```
npm run test:ci
```
- 带覆盖率统计的vitest
```
npm run coverage:report
```
- 生成lcov/文本格式报告

Workflow

工作流程

Get unstaged files and line ranges (parallel):
- ```
git diff --name-only
```
- ```
git diff -U0 --no-color
```
Run coverage:
- ```
npm run test:ci
```
- ```
npm run coverage:report
```
Parse
```
coverage/lcov.info
```
(see
```
lcov-format.md
```
for format details)
Map changed lines to coverage data
Report uncovered lines:
```
file.ts:42
```
Summary: X/Y changed lines covered

获取未暂存文件和行范围（并行执行）：
- ```
git diff --name-only
```
- ```
git diff -U0 --no-color
```
运行覆盖率统计：
- ```
npm run test:ci
```
- ```
npm run coverage:report
```
解析
```
coverage/lcov.info
```
（格式细节参考
```
lcov-format.md
```
）
将变更行映射到覆盖率数据
报告未覆盖的行：
```
file.ts:42
```
汇总：X/Y行变更已覆盖

Rules

规则

Only analyze unstaged changes (
```
git diff
```
)
Use sequential commands:
```
test:ci
```
then
```
coverage:report
```
Parse lcov.info for coverage data
Report uncovered lines:
```
file.ts:42
```
Ignore files without coverage data (non-code files)

仅分析未暂存变更（
```
git diff
```
）
使用顺序命令：先
```
test:ci
```
再
```
coverage:report
```
解析lcov.info获取覆盖率数据
报告未覆盖的行：
```
file.ts:42
```
忽略无覆盖率数据的文件（非代码文件）