/*
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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 LcovOnlyReport extends ReportBase {
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constructor(opts) {
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super();
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opts = opts || {};
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this.file = opts.file || 'lcov.info';
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this.projectRoot = opts.projectRoot || process.cwd();
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this.contentWriter = null;
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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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}
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onDetail(node) {
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const fc = node.getFileCoverage();
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const writer = this.contentWriter;
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const functions = fc.f;
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const functionMap = fc.fnMap;
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const lines = fc.getLineCoverage();
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const branches = fc.b;
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const branchMap = fc.branchMap;
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const summary = node.getCoverageSummary();
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const path = require('path');
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writer.println('TN:');
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const fileName = path.relative(this.projectRoot, fc.path);
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writer.println('SF:' + fileName);
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Object.values(functionMap).forEach(meta => {
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// Some versions of the instrumenter in the wild populate 'loc'
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// but not 'decl':
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const decl = meta.decl || meta.loc;
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writer.println('FN:' + [decl.start.line, meta.name].join(','));
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});
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writer.println('FNF:' + summary.functions.total);
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writer.println('FNH:' + summary.functions.covered);
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Object.entries(functionMap).forEach(([key, meta]) => {
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const stats = functions[key];
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writer.println('FNDA:' + [stats, meta.name].join(','));
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});
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Object.entries(lines).forEach(entry => {
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writer.println('DA:' + entry.join(','));
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});
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writer.println('LF:' + summary.lines.total);
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writer.println('LH:' + summary.lines.covered);
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Object.entries(branches).forEach(([key, branchArray]) => {
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const meta = branchMap[key];
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if (meta) {
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const { line } = meta.loc.start;
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branchArray.forEach((b, i) => {
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writer.println('BRDA:' + [line, key, i, b].join(','));
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});
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} else {
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console.warn('Missing coverage entries in', fileName, key);
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}
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});
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writer.println('BRF:' + summary.branches.total);
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writer.println('BRH:' + summary.branches.covered);
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writer.println('end_of_record');
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}
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onEnd() {
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this.contentWriter.close();
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}
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}
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module.exports = LcovOnlyReport;
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