$ component install btknorr/ejs
For more info see the Component framework
var ejs = require('ejs'); ejs.render('/pathTo/ejsFileName', {myLocal:'hello'}, function(err, html) { document.getElementById('testDiv').innerHTML = html; });
Embedded JavaScript templates.
$ npm install ejs
- Complies with the Express view system
- Static caching of intermediate JavaScript
- Unbuffered code for conditionals etc
<% code %>
- Escapes html by default with
<%= code %>
- Unescaped buffering with
<%- code %>
- Supports tag customization
- Filter support for designer-friendly templates
- Includes
- Client-side support
- Newline slurping with
<% code -%>
or<% -%>
or<%= code -%>
or<%- code -%>
<% if (user) { %>
<h2><%= user.name %></h2>
<% } %>
ejs.compile(str, options);
// => Function
ejs.render(str, options);
// => str
cache
Compiled functions are cached, requiresfilename
filename
Used bycache
to key cachesscope
Function execution contextdebug
Output generated function bodycompileDebug
Whenfalse
no debug instrumentation is compiledclient
Returns standalone compiled functionopen
Open tag, defaulting to "<%"close
Closing tag, defaulting to "%>"-
-
All others are template-local variables
-
Includes are relative to the template with the include
statement,
for example if you have "./views/users.ejs" and "./views/user/show.ejs"
you would use <% include user/show %>
. The included file(s) are literally
included into the template, no IO is performed after compilation, thus
local variables are available to these included templates.
<ul>
<% users.forEach(function(user){ %>
<% include user/show %>
<% }) %>
</ul>
Custom delimiters can also be applied globally:
var ejs = require('ejs');
ejs.open = '{{';
ejs.close = '}}';
Which would make the following a valid template:
<h1>{{= title }}</h1>
EJS conditionally supports the concept of "filters". A "filter chain" is a designer friendly api for manipulating data, without writing JavaScript.
Filters can be applied by supplying the : modifier, so for example if we wish to take the array [{ name: 'tj' }, { name: 'mape' }, { name: 'guillermo' }]
and output a list of names we can do this simply with filters:
Template:
<p><%=: users | map:'name' | join %></p>
Output:
<p>Tj, Mape, Guillermo</p>
Render call:
ejs.render(str, {
users: [
{ name: 'tj' },
{ name: 'mape' },
{ name: 'guillermo' }
]
});
Or perhaps capitalize the first user's name for display:
<p><%=: users | first | capitalize %></p>
Currently these filters are available:
- first
- last
- capitalize
- downcase
- upcase
- sort
- sort_by:'prop'
- size
- length
- plus:n
- minus:n
- times:n
- divided_by:n
- join:'val'
- truncate:n
- truncate_words:n
- replace:pattern,substitution
- prepend:val
- append:val
- map:'prop'
- reverse
- get:'prop'
To add a filter simply add a method to the .filters
object:
ejs.filters.last = function(obj) {
return obj[obj.length - 1];
};
Currently EJS has no notion of blocks, only compile-time include
s,
however you may still utilize this feature to implement "layouts" by
simply including a header and footer like so:
<% include head %>
<h1>Title</h1>
<p>My page</p>
<% include foot %>
include ./ejs.js
or ./ejs.min.js
and require("ejs").compile(str)
.
(The MIT License)
Copyright (c) 2009-2010 TJ Holowaychuk <tj@vision-media.ca>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.