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@connectis/coverage-merger

Library for merging parsed coverage reports.


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Maintainers
2
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6,323
decreased by-24.9%

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coverage-merger

A Node.js library for merging parsed coverage reports.

NPM versionDependency Status

This library makes it possible to merge parsed coverage results. The following parsers are supported:

Example

const coverageMerger = require('@connectis/coverage-merger');
const mergedResults = coverageMerger.mergeByFile(coverageResults);

API

The API includes the following:

  • mergeByFile(coverageResults)
  • mergeBy(coverageResults, grouper)
  • merge(coverageResults)

mergeByFile(coverageResults)

Merges coverage results which have the same value for the file property.

coverageResults

Type: Array<CoverageResult. See below.

returns

Type: Array<CoverageResult. See below.

mergeBy(coverageResults, grouper)

Merges coverage results for which the grouper iteratee returns the same string See _.groupBy.

coverageResults

Type: Array<CoverageResult. See below.

grouper

Type: (CoverageResult) => String. See below.

returns

Type: Array<CoverageResult. See below.

merge(coverageResults)

Merges an array of coverage results to a single result.

coverageResults

Type: Array<CoverageResult. See below.

returns

Type: CoverageResult. See below.

CoverageResult

The returned data has the following format.

{
  "title": "Test #1",
  "file": "/some/absolute/path/anim-base/anim-base-coverage.js",
  "functions": {
    "hit": 23,
    "found": 29,
    "details": [
      {
        "name": "(anonymous 1)",
        "line": 7,
        "hit": 6
      },
      {
        "name": "(anonymous 2)",
        "line": 620,
        "hit": 225
      },
      {
        "name": "_end",
        "line": 516,
        "hit": 228
      }
    ]
  },
  "lines": {
    "found": 181,
    "hit": 143,
    "details": [
      {
        "line": 7,
        "hit": 6
      },
      {
        "line": 29,
        "hit": 6
      },
      {
        "line": 41,
        "hit": 0
      }
    ]
  },
  "branches": {
    "found": 2,
    "hit": 1,
    "details": [
      {
        "line": 9,
        "branch": 0,
        "taken": 0
      },
      {
        "line": 9,
        "branch": 1,
        "taken": 1
      }
    ]
  }
}

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Last updated on 02 Nov 2018

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