Merge pull request #2 from exoup/eta-support-1

feature: add support for Eta template engine

Author: titanism

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>

lib/consolidate.js

@@ -750,6 +750,44 @@ exports.ejs.render = function (str, options, cb) {
   });
 };
 
+/**
+ * Eta support.
+ */
+
+exports.eta = function (path, options, cb) {
+  return promisify(cb, function (cb) {
+    try {
+      const engine =
+        requires.eta ||
+        (requires.eta = new (require('eta').Eta)({
+          views: '.'
+        }));
+      cb(null, engine.render(path, options));
+    } catch (err) {
+      cb(err);
+    }
+  });
+};
+
+/**
+ * Eta string support.
+ */
+
+exports.eta.render = function (str, options, cb) {
+  return promisify(cb, function (cb) {
+    try {
+      const engine =
+        requires.eta ||
+        (requires.eta = new (require('eta').Eta)({
+          views: '.'
+        }));
+      cb(null, engine.renderString(str, options));
+    } catch (err) {
+      cb(err);
+    }
+  });
+};
+
 /**
  * Eco support.
  */

package.json

@@ -27,6 +27,7 @@
     "ejs": "^3.1.9",
     "eslint": "8.42.0",
     "eslint-config-xo-lass": "2",
+    "eta": "^3.1.1",
     "fixpack": "^4.0.0",
     "haml-coffee": "^1.14.1",
     "hamlet": "^0.3.3",

test/consolidate.js

@@ -17,6 +17,7 @@ require('./shared/filters').test('liquid-node');
 require('./shared/includes').test('liquid-node');
 
 require('./shared').test('ejs');
+require('./shared').test('eta');
 require('./shared').test('swig');
 require('./shared').test('jazz');
 require('./shared').test('jqtpl');

test/fixtures/eta/user.eta

@@ -0,0 +1 @@
+<p><%= it.user.name %></p>