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30 lines
996 B
Markdown
30 lines
996 B
Markdown
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## istanbul-lib-coverage
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[](https://greenkeeper.io/)
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[](https://travis-ci.org/istanbuljs/istanbul-lib-coverage)
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An API that provides a read-only view of coverage information with the ability
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to merge and summarize coverage info.
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Supersedes `object-utils` and `collector` from the v0 istanbul API.
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See the docs for the full API.
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```js
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var libCoverage = require('istanbul-lib-coverage');
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var map = libCoverage.createCoverageMap(globalCoverageVar);
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var summary = libCoverage.createCoverageSummary();
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// merge another coverage map into the one we created
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map.merge(otherCoverageMap);
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// inspect and summarize all file coverage objects in the map
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map.files().forEach(function(f) {
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var fc = map.fileCoverageFor(f),
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s = fc.toSummary();
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summary.merge(s);
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});
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console.log('Global summary', summary);
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```
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