text: /*
   Copyright 2012-2015, Yahoo Inc.
   Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
   */
  'use strict';
  
  function JsonSummaryReport(opts) {
      this.file = opts.file || 'coverage-summary.json';
      this.contentWriter = null;
      this.first = true;
  }
  
  JsonSummaryReport.prototype.onStart = function(root, context) {
      this.contentWriter = context.writer.writeFile(this.file);
      this.contentWriter.write('{');
  };
  
  JsonSummaryReport.prototype.writeSummary = function(filePath, sc) {
      const cw = this.contentWriter;
      if (this.first) {
          this.first = false;
      } else {
          cw.write(',');
      }
      cw.write(JSON.stringify(filePath));
      cw.write(': ');
      cw.write(JSON.stringify(sc));
      cw.println('');
  };
  
  JsonSummaryReport.prototype.onSummary = function(node) {
      if (!node.isRoot()) {
          return;
      }
      this.writeSummary('total', node.getCoverageSummary());
  };
  
  JsonSummaryReport.prototype.onDetail = function(node) {
      this.writeSummary(node.getFileCoverage().path, node.getCoverageSummary());
  };
  
  JsonSummaryReport.prototype.onEnd = function() {
      const cw = this.contentWriter;
      cw.println('}');
      cw.close();
  };
  
  module.exports = JsonSummaryReport;
  