How can I define global variables in nunjucks?

Question

Using nunjucks, how can I define some global variables that should always be available within all templates?

Ideally, they would be specified somewhere in the enviro

Answer 1

I was just looking for this and came here. Looks like there's now a recommended way which was added in recently in version 1.0.6.

See Environment.addGlobal.

Answer 2

It might be also helpfull for someone. It is possible to avoid writing any js code when dealing with global variables in nunjucks.

You need to create a _globals.html file, which contains all the global variables.

{% set some_var1 = "Foo" %}
{% set some_var2 = "Bar" %}

Then include _globals.html to any page, where you need the global variable. E.g. somePage.html

{% import '_globals.html' as globals %}

<span>{{globals.some_var1 }}</span>
<span>{{globals.some_var2 }}</span>

For more info please check http://mozilla.github.io/nunjucks/templating.html#set

Answer 3

It's not documented (or perhaps advised), but this works:

var njglobals = require('nunjucks/src/globals');
njglobals.someVar = 'someValue';

You can now use someVar in your templates.

Be sure not to overwrite any of the existing properties of the njglobals object, though (for nunjucks@1.0.1, they are range, cycler and joiner).