coverage

Original：🇺🇸 English

Translated

Check test coverage for unstaged changes. Use when user asks to "check coverage", "/coverage", or wants to see which unstaged changes lack test coverage.

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Sourcehelderberto/skills

Added on2026-02-15

NPX Install

npx skill4agent add helderberto/skills coverage

SKILL.md Content

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Coverage Check

Context

Run in parallel:

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

Commands

Sequential:

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

Workflow

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

Rules

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)