all files / src/ remap.js

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const { CoverageTransformer } = require('./CoverageTransformer');
 
/**
 * Remaps coverage data based on the source maps it discovers in the
 * covered files and returns a coverage Collector that contains the remappped
 * data.
 * @param  {Array|Object} coverage The coverage (or array of coverages) that need to be
 *                                                 remapped
 * @param  {Object} options A configuration object:
 *       exclude?  - a string or Regular Expression that filters out
 *                   any coverage where the file path matches
 *       readFile? - a function that can read a file
 *                   syncronously
 *       readJSON? - a function that can read and parse a
 *                   JSON file syncronously
 *       sources?  - a Istanbul store where inline sources will be
 *                   added
 *       warn?     - a function that logs warnings
 * @return {Object}         The remapped collector
 */
 
function remap(coverage, options = {}) {
  const smc = new CoverageTransformer(options);
 
  coverage.forEach(item => {
    smc.addCoverage(item);
  });
 
  return smc.getFinalCoverage();
}
 
module.exports = remap;