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I'm using handlebars with nodejs and express. This is my main.handlebars file:
<!doctype html>
<html>
<head>
...
</head>
<body>
<div class ="container">
...
<footer>
© {{copyrightYear}} Meadowlark Travel
</footer>
</div>
</body>
</html>
So far I'm passing the copyright year to every route:
var date = new Date();
var copyrightYear = date.getFullYear();
app.get(
'/',
function( req, res) {
res.render(
'home',
{
copyrightYear: copyrightYear
}
);
}
);
Is it possible to set the copyrightYear variable globally, so I don't have to pass it on to every route/view?
482
Because it was originally designed to generate HTML, Handlebars escapes values returned by a {{expression}} . If you don't want Handlebars to escape a value, use the "triple-stash", {{{ . Source: https://handlebarsjs.com/guide/#html-escaping.
Helpers can be used to implement functionality that is not part of the Handlebars language itself. A helper can be registered at runtime via Handlebars. registerHelper , for example in order to uppercase all characters of a string.
ExpressJS provides some kind of "global variables". They are mentioned in the docs: app.locals. To include it in every response you could do something like this:
app.locals.copyright = '2014';
For this case, you can alternatively create a Handlebars helper. Like this:
var Handlebars = require('handlebars');
Handlebars.registerHelper('copyrightYear', function() {
var year = new Date().getFullYear();
return new Handlebars.SafeString(year);
});
In the templates, just use it as before:
© {{copyrightYear}} Meadowlark Travel
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