Multi argument 'if' & 'unless' conditionals in Spacebars for Meteor.js
Gist: https://gist.github.com/victorbstan/3462664de456146e87db
// dependency: https://lodash.com
Template.registerHelper('any', function () {
var any = false;
var cleanArgs = lodash.filter(arguments, function ( arg ) {
if ( lodash.isArray( arg ) )
return true;
});
for ( var i = 0; i < cleanArgs.length; i++ ) {
if ( ! lodash.isEmpty( cleanArgs[i] ) )
any = true;
};
return any;
});
<!--
Usage examples
-->
<!-- IF ANY -->
{{#if any truthyOne truthyTwo falsyThree}}
You will see this.
{{/if}}
{{#if any falsyOne falsyTwo falsyThree}}
You won't see this.
{{/if}}
<!-- UNLESS ANY -->
{{#unless any falsyOne falsyTwo falsyThree}}
You will see this.
{{/unless}}
{{#unless any falsyOne falsyTwo truthyThree}}
You won't see this.
{{/unless}}
Written by Victor Stan
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