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A modern and powerful server for Node.js

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<!doctype html> <html lang="en"> <head> <title>Code coverage report for server/plugins/express/index.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../../../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../../../index.html">All files</a> / <a href="index.html">server/plugins/express</a> index.js</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">82.35% </span> <span class="quiet">Statements</span> <span class='fraction'>28/34</span> </div> <div class='fl pad1y space-right2'> <span class="strong">50% </span> <span class="quiet">Branches</span> <span class='fraction'>6/12</span> </div> <div class='fl pad1y space-right2'> <span class="strong">90% </span> <span class="quiet">Functions</span> <span class='fraction'>9/10</span> </div> <div class='fl pad1y space-right2'> <span class="strong">86.66% </span> <span class="quiet">Lines</span> <span class='fraction'>26/30</span> </div> </div> <p class="quiet"> 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. </p> <template id="filterTemplate"> <div class="quiet"> Filter: <input type="search" id="fileSearch"> </div> </template> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a 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cline-yes">8x</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-yes">102x</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">const express = require('express'); const hbs = require('hbs'); const path = require('path'); &nbsp; module.exports = { name: 'express', options: { // See these in-depth in https://expressjs.com/en/api.html#app.set 'case sensitive routing': {}, 'env': { inherit: 'env' }, 'etag': {}, 'jsonp callback name': {}, 'json replacer': {}, 'json spaces': {}, 'query parser': {}, 'strict routing': {}, 'subdomain offset': {}, 'trust proxy': {}, 'views': { default: 'views', inherit: true, type: String, folder: true }, 'view cache': {}, 'view engine': { inherit: 'engine' }, 'x-powered-by': {} }, init: async ctx =&gt; { ctx.express = express; ctx.app = ctx.express(); &nbsp; // Go through all of the options and set the right ones for (let key in ctx.options.express) { let value = ctx.options.express[key]; <span class="missing-if-branch" title="else path not taken" >E</span>if (typeof value !== 'undefined') { ctx.app.set(key, value); } } &nbsp; // Add the views into the core <span class="missing-if-branch" title="if path not taken" >I</span>if (path.resolve(ctx.options.views) === path.resolve(process.cwd())) { <span class="cstat-no" title="statement not covered" > throw new Error(</span> 'The "views" option should point to a subfolder of the project and not the root of it' ); } await new Promise(function(resolve, reject) { hbs.registerPartials(ctx.options.views, function(err) { <span class="missing-if-branch" title="if path not taken" >I</span>if (err) <span class="cstat-no" title="statement not covered" >reject(err);</span> resolve(); }); }); &nbsp; // Accept HTML as a render extension ctx.app.engine('html', hbs.__express); &nbsp; <span class="missing-if-branch" title="else path not taken" >E</span>if (ctx.options.engine) { // If it's an object, expect a { engine: { engineName: engineFN } } <span class="missing-if-branch" title="if path not taken" >I</span>if (typeof ctx.options.engine === 'object') { <span class="cstat-no" title="statement not covered" > for (let name in ctx.options.engine) {</span> <span class="cstat-no" title="statement not covered" > ctx.app.engine(name, ctx.options.engine[name]);</span> <span class="cstat-no" title="statement not covered" > ctx.app.set('view engine', name);</span> } } else { // Simple case like { engine: 'pug' } ctx.app.set('view engine', ctx.options.engine); } } }, listen: ctx =&gt; new Promise((resolve, reject) =&gt; { ctx.server = ctx.app.listen(ctx.options.port, () =&gt; { ctx.log.debug(`Server started on http://localhost:${ctx.options.port}/`); resolve(); }); ctx.close = () =&gt; new Promise((res, rej) =&gt; { ctx.server.close(err =&gt; err ? <span class="branch-0 cbranch-no" title="branch not covered" >rej(err) </span>: res()); }); ctx.server.on('error', <span class="fstat-no" title="function not covered" >er</span>r =&gt; <span class="cstat-no" title="statement not covered" >reject(err))</span>; }) }; &nbsp;</pre></td></tr></table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2025-07-11T14:04:52.370Z </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="../../../sorter.js"></script> <script src="../../../block-navigation.js"></script> </body> </html>