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