index.js•1.03 kB
/*
Copyright 2012-2015, Yahoo Inc.
Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
*/
'use strict';
const { ReportBase } = require('istanbul-lib-report');
class JsonReport extends ReportBase {
constructor(opts) {
super();
this.file = opts.file || 'coverage-final.json';
this.first = true;
}
onStart(root, context) {
this.contentWriter = context.writer.writeFile(this.file);
this.contentWriter.write('{');
}
onDetail(node) {
const fc = node.getFileCoverage();
const key = fc.path;
const cw = this.contentWriter;
if (this.first) {
this.first = false;
} else {
cw.write(',');
}
cw.write(JSON.stringify(key));
cw.write(': ');
cw.write(JSON.stringify(fc));
cw.println('');
}
onEnd() {
const cw = this.contentWriter;
cw.println('}');
cw.close();
}
}
module.exports = JsonReport;