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