forked from M3-Academy/challenge-algorithms-v2.0
422 lines
14 KiB
JavaScript
422 lines
14 KiB
JavaScript
'use strict';
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/*
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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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const fs = require('fs');
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const path = require('path');
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const html = require('html-escaper');
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const { ReportBase } = require('istanbul-lib-report');
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const annotator = require('./annotator');
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function htmlHead(details) {
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return `
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<head>
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<title>Code coverage report for ${html.escape(details.entity)}</title>
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<meta charset="utf-8" />
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<link rel="stylesheet" href="${html.escape(details.prettify.css)}" />
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<link rel="stylesheet" href="${html.escape(details.base.css)}" />
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<link rel="shortcut icon" type="image/x-icon" href="${html.escape(
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details.favicon
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)}" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<style type='text/css'>
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.coverage-summary .sorter {
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background-image: url(${html.escape(details.sorter.image)});
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}
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</style>
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</head>
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`;
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}
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function headerTemplate(details) {
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function metricsTemplate({ pct, covered, total }, kind) {
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return `
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<div class='fl pad1y space-right2'>
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<span class="strong">${pct}% </span>
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<span class="quiet">${kind}</span>
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<span class='fraction'>${covered}/${total}</span>
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</div>
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`;
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}
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function skipTemplate(metrics) {
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const statements = metrics.statements.skipped;
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const branches = metrics.branches.skipped;
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const functions = metrics.functions.skipped;
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const countLabel = (c, label, plural) =>
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c === 0 ? [] : `${c} ${label}${c === 1 ? '' : plural}`;
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const skips = [].concat(
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countLabel(statements, 'statement', 's'),
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countLabel(functions, 'function', 's'),
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countLabel(branches, 'branch', 'es')
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);
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if (skips.length === 0) {
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return '';
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}
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return `
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<div class='fl pad1y'>
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<span class="strong">${skips.join(', ')}</span>
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<span class="quiet">Ignored</span>
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</div>
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`;
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}
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return `
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<!doctype html>
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<html lang="en">
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${htmlHead(details)}
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<body>
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<div class='wrapper'>
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<div class='pad1'>
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<h1>${details.pathHtml}</h1>
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<div class='clearfix'>
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${metricsTemplate(details.metrics.statements, 'Statements')}
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${metricsTemplate(details.metrics.branches, 'Branches')}
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${metricsTemplate(details.metrics.functions, 'Functions')}
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${metricsTemplate(details.metrics.lines, 'Lines')}
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${skipTemplate(details.metrics)}
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</div>
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<p class="quiet">
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Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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</p>
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<template id="filterTemplate">
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<div class="quiet">
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Filter:
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<input oninput="onInput()" type="search" id="fileSearch">
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</div>
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</template>
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</div>
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<div class='status-line ${details.reportClass}'></div>
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`;
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}
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function footerTemplate(details) {
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return `
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<div class='push'></div><!-- for sticky footer -->
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</div><!-- /wrapper -->
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<div class='footer quiet pad2 space-top1 center small'>
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Code coverage generated by
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<a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
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at ${html.escape(details.datetime)}
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</div>
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<script src="${html.escape(details.prettify.js)}"></script>
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<script>
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window.onload = function () {
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prettyPrint();
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};
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</script>
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<script src="${html.escape(details.sorter.js)}"></script>
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<script src="${html.escape(details.blockNavigation.js)}"></script>
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</body>
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</html>
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`;
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}
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function detailTemplate(data) {
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const lineNumbers = new Array(data.maxLines).fill().map((_, i) => i + 1);
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const lineLink = num =>
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`<a name='L${num}'></a><a href='#L${num}'>${num}</a>`;
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const lineCount = line =>
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`<span class="cline-any cline-${line.covered}">${line.hits}</span>`;
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/* This is rendered in a `<pre>`, need control of all whitespace. */
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return [
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'<tr>',
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`<td class="line-count quiet">${lineNumbers
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.map(lineLink)
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.join('\n')}</td>`,
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`<td class="line-coverage quiet">${data.lineCoverage
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.map(lineCount)
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.join('\n')}</td>`,
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`<td class="text"><pre class="prettyprint lang-js">${data.annotatedCode.join(
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'\n'
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)}</pre></td>`,
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'</tr>'
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].join('');
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}
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const summaryTableHeader = [
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'<div class="pad1">',
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'<table class="coverage-summary">',
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'<thead>',
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'<tr>',
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' <th data-col="file" data-fmt="html" data-html="true" class="file">File</th>',
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' <th data-col="pic" data-type="number" data-fmt="html" data-html="true" class="pic"></th>',
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' <th data-col="statements" data-type="number" data-fmt="pct" class="pct">Statements</th>',
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' <th data-col="statements_raw" data-type="number" data-fmt="html" class="abs"></th>',
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' <th data-col="branches" data-type="number" data-fmt="pct" class="pct">Branches</th>',
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' <th data-col="branches_raw" data-type="number" data-fmt="html" class="abs"></th>',
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' <th data-col="functions" data-type="number" data-fmt="pct" class="pct">Functions</th>',
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' <th data-col="functions_raw" data-type="number" data-fmt="html" class="abs"></th>',
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' <th data-col="lines" data-type="number" data-fmt="pct" class="pct">Lines</th>',
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' <th data-col="lines_raw" data-type="number" data-fmt="html" class="abs"></th>',
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'</tr>',
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'</thead>',
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'<tbody>'
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].join('\n');
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function summaryLineTemplate(details) {
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const { reportClasses, metrics, file, output } = details;
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const percentGraph = pct => {
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if (!isFinite(pct)) {
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return '';
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}
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const cls = ['cover-fill'];
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if (pct === 100) {
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cls.push('cover-full');
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}
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pct = Math.floor(pct);
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return [
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`<div class="${cls.join(' ')}" style="width: ${pct}%"></div>`,
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`<div class="cover-empty" style="width: ${100 - pct}%"></div>`
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].join('');
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};
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const summaryType = (type, showGraph = false) => {
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const info = metrics[type];
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const reportClass = reportClasses[type];
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const result = [
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`<td data-value="${info.pct}" class="pct ${reportClass}">${info.pct}%</td>`,
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`<td data-value="${info.total}" class="abs ${reportClass}">${info.covered}/${info.total}</td>`
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];
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if (showGraph) {
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result.unshift(
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`<td data-value="${info.pct}" class="pic ${reportClass}">`,
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`<div class="chart">${percentGraph(info.pct)}</div>`,
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`</td>`
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);
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}
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return result;
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};
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return []
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.concat(
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'<tr>',
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`<td class="file ${
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reportClasses.statements
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}" data-value="${html.escape(file)}"><a href="${html.escape(
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output
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)}">${html.escape(file)}</a></td>`,
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summaryType('statements', true),
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summaryType('branches'),
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summaryType('functions'),
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summaryType('lines'),
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'</tr>\n'
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)
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.join('\n\t');
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}
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const summaryTableFooter = ['</tbody>', '</table>', '</div>'].join('\n');
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const emptyClasses = {
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statements: 'empty',
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lines: 'empty',
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functions: 'empty',
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branches: 'empty'
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};
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const standardLinkMapper = {
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getPath(node) {
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if (typeof node === 'string') {
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return node;
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}
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let filePath = node.getQualifiedName();
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if (node.isSummary()) {
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if (filePath !== '') {
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filePath += '/index.html';
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} else {
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filePath = 'index.html';
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}
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} else {
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filePath += '.html';
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}
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return filePath;
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},
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relativePath(source, target) {
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const targetPath = this.getPath(target);
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const sourcePath = path.dirname(this.getPath(source));
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return path.posix.relative(sourcePath, targetPath);
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},
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assetPath(node, name) {
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return this.relativePath(this.getPath(node), name);
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}
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};
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function fixPct(metrics) {
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Object.keys(emptyClasses).forEach(key => {
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metrics[key].pct = 0;
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});
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return metrics;
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}
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class HtmlReport extends ReportBase {
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constructor(opts) {
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super();
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this.verbose = opts.verbose;
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this.linkMapper = opts.linkMapper || standardLinkMapper;
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this.subdir = opts.subdir || '';
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this.date = new Date().toISOString();
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this.skipEmpty = opts.skipEmpty;
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}
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getBreadcrumbHtml(node) {
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let parent = node.getParent();
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const nodePath = [];
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while (parent) {
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nodePath.push(parent);
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parent = parent.getParent();
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}
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const linkPath = nodePath.map(ancestor => {
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const target = this.linkMapper.relativePath(node, ancestor);
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const name = ancestor.getRelativeName() || 'All files';
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return '<a href="' + target + '">' + name + '</a>';
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});
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linkPath.reverse();
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return linkPath.length > 0
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? linkPath.join(' / ') + ' ' + node.getRelativeName()
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: 'All files';
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}
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fillTemplate(node, templateData, context) {
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const linkMapper = this.linkMapper;
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const summary = node.getCoverageSummary();
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templateData.entity = node.getQualifiedName() || 'All files';
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templateData.metrics = summary;
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templateData.reportClass = context.classForPercent(
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'statements',
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summary.statements.pct
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);
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templateData.pathHtml = this.getBreadcrumbHtml(node);
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templateData.base = {
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css: linkMapper.assetPath(node, 'base.css')
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};
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templateData.sorter = {
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js: linkMapper.assetPath(node, 'sorter.js'),
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image: linkMapper.assetPath(node, 'sort-arrow-sprite.png')
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};
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templateData.blockNavigation = {
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js: linkMapper.assetPath(node, 'block-navigation.js')
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};
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templateData.prettify = {
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js: linkMapper.assetPath(node, 'prettify.js'),
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css: linkMapper.assetPath(node, 'prettify.css')
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};
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templateData.favicon = linkMapper.assetPath(node, 'favicon.png');
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}
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getTemplateData() {
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return { datetime: this.date };
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}
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getWriter(context) {
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if (!this.subdir) {
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return context.writer;
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}
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return context.writer.writerForDir(this.subdir);
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}
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onStart(root, context) {
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const assetHeaders = {
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'.js': '/* eslint-disable */\n'
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};
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['.', 'vendor'].forEach(subdir => {
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const writer = this.getWriter(context);
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const srcDir = path.resolve(__dirname, 'assets', subdir);
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fs.readdirSync(srcDir).forEach(f => {
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const resolvedSource = path.resolve(srcDir, f);
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const resolvedDestination = '.';
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const stat = fs.statSync(resolvedSource);
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let dest;
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if (stat.isFile()) {
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dest = resolvedDestination + '/' + f;
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if (this.verbose) {
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console.log('Write asset: ' + dest);
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}
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writer.copyFile(
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resolvedSource,
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dest,
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assetHeaders[path.extname(f)]
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);
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}
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});
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});
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}
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onSummary(node, context) {
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const linkMapper = this.linkMapper;
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const templateData = this.getTemplateData();
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const children = node.getChildren();
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const skipEmpty = this.skipEmpty;
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this.fillTemplate(node, templateData, context);
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const cw = this.getWriter(context).writeFile(linkMapper.getPath(node));
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cw.write(headerTemplate(templateData));
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cw.write(summaryTableHeader);
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children.forEach(child => {
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const metrics = child.getCoverageSummary();
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const isEmpty = metrics.isEmpty();
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if (skipEmpty && isEmpty) {
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return;
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}
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const reportClasses = isEmpty
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? emptyClasses
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: {
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statements: context.classForPercent(
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'statements',
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metrics.statements.pct
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),
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lines: context.classForPercent(
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'lines',
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metrics.lines.pct
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),
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functions: context.classForPercent(
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'functions',
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metrics.functions.pct
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),
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branches: context.classForPercent(
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'branches',
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metrics.branches.pct
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)
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};
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const data = {
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metrics: isEmpty ? fixPct(metrics) : metrics,
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reportClasses,
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file: child.getRelativeName(),
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output: linkMapper.relativePath(node, child)
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};
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cw.write(summaryLineTemplate(data) + '\n');
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});
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cw.write(summaryTableFooter);
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cw.write(footerTemplate(templateData));
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cw.close();
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}
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onDetail(node, context) {
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const linkMapper = this.linkMapper;
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const templateData = this.getTemplateData();
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this.fillTemplate(node, templateData, context);
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const cw = this.getWriter(context).writeFile(linkMapper.getPath(node));
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cw.write(headerTemplate(templateData));
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cw.write('<pre><table class="coverage">\n');
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cw.write(detailTemplate(annotator(node.getFileCoverage(), context)));
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cw.write('</table></pre>\n');
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cw.write(footerTemplate(templateData));
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cw.close();
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}
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}
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module.exports = HtmlReport;
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