feat: add example for using Eta with custom options

examples/eta/express.js

@@ -0,0 +1,43 @@
+// npm install express
+const path = require('node:path');
+const express = require('express');
+const cons = require('../../');
+
+// Example of declaring eta with custom options.
+const eta = new (require('eta').Eta)({
+  // Have to let Express handle the views directory instead.
+  views: '.',
+  varName: 'that',
+  autoFilter: true,
+  filterFunction(val) {
+    if (typeof val === 'string') {
+      return val.toUpperCase();
+    }
+  }
+});
+
+const app = express();
+
+cons.requires.eta = eta;
+app.engine('eta', cons.eta);
+app.set('view engine', 'eta');
+app.set('views', path.join(__dirname, './views'));
+
+const users = [];
+users.push({ name: 'tobi' }, { name: 'loki' }, { name: 'jane' });
+
+app.get('/', function (req, res) {
+  res.render('index', {
+    title: 'Consolidate.js'
+  });
+});
+
+app.get('/users', function (req, res) {
+  res.render('users', {
+    title: 'Users',
+    users
+  });
+});
+
+app.listen(3000);
+console.log('Express server listening on port 3000');

examples/eta/views/index.eta

@@ -0,0 +1,5 @@
+<h1><%= that.title %></h1>
+<p>Welcome to the <%= that.title %> demo. Click a link:</p>
+<ul>
+  <li><a href="/users">/users</a></li>
+</ul>

examples/eta/views/users.eta

@@ -0,0 +1,7 @@
+<h1><%= that.title %></h1>
+<ul>
+  <% that.users.forEach((user) => { %>
+    <li><%= user.name %></li>
+    <% /* You can't see me */ %>
+  <% }); %>
+</ul>