Add node modules and compiled JavaScript from main (#57)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/istanbul-reports/lib/lcovonly/index.js

@@ -0,0 +1,68 @@
+/*
+ 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 LcovOnlyReport extends ReportBase {
+    constructor(opts) {
+        super();
+        this.file = opts.file || 'lcov.info';
+        this.projectRoot = opts.projectRoot || process.cwd();
+        this.contentWriter = null;
+    }
+
+    onStart(root, context) {
+        this.contentWriter = context.writer.writeFile(this.file);
+    }
+
+    onDetail(node) {
+        const fc = node.getFileCoverage();
+        const writer = this.contentWriter;
+        const functions = fc.f;
+        const functionMap = fc.fnMap;
+        const lines = fc.getLineCoverage();
+        const branches = fc.b;
+        const branchMap = fc.branchMap;
+        const summary = node.getCoverageSummary();
+        const path = require('path');
+
+        writer.println('TN:'); //no test nam
+        writer.println('SF:' + path.relative(this.projectRoot, fc.path));
+
+        Object.values(functionMap).forEach(meta => {
+            writer.println('FN:' + [meta.decl.start.line, meta.name].join(','));
+        });
+        writer.println('FNF:' + summary.functions.total);
+        writer.println('FNH:' + summary.functions.covered);
+
+        Object.entries(functionMap).forEach(([key, meta]) => {
+            const stats = functions[key];
+            writer.println('FNDA:' + [stats, meta.name].join(','));
+        });
+
+        Object.entries(lines).forEach(entry => {
+            writer.println('DA:' + entry.join(','));
+        });
+        writer.println('LF:' + summary.lines.total);
+        writer.println('LH:' + summary.lines.covered);
+
+        Object.entries(branches).forEach(([key, branchArray]) => {
+            const meta = branchMap[key];
+            const { line } = meta.loc.start;
+            branchArray.forEach((b, i) => {
+                writer.println('BRDA:' + [line, key, i, b].join(','));
+            });
+        });
+        writer.println('BRF:' + summary.branches.total);
+        writer.println('BRH:' + summary.branches.covered);
+        writer.println('end_of_record');
+    }
+
+    onEnd() {
+        this.contentWriter.close();
+    }
+}
+
+module.exports = LcovOnlyReport;