Question

how i can add my own custom functions to ejs?

<%- custom_function('test') %>

Thank you!

Answer 1

You can add your own filter to ejs.

ejs.filters.custom_function = function(str) {
    return str + ' custom string';
};

In template you can access your filter like this:

<%=: 'somestring' | custom_function %>

You can pass additional parameters to your function using colon.

ejs.filters.custom_function = function(str, postfix) {
    return str + postfix;
};

And In your template:

<%=: 'somestring' | custom_function:' custom postfix' %>