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13 sty 2012 · Is there a way in handlebars JS to incorporate logical operators into the standard handlebars.js conditional operator? Something like this: {{#if section1 || section2}} .. content {{/if}} I know I
28 kwi 2015 · The handlebars if-helper only works for boolean values. So when you want to perform conditional operations on them you need to create your own helper. {{#ifPriceType price_type min_type}}{{/ifPriceType}} Handlebars.registerHelper("ifPriceType",function(price_type,min_type){ if(price_type==1){ return "Example";} else if(price_type==2){ return ...
10 mar 2024 · The handlebar supports the if and else conditional block to render HTML templates. It uses if and else helper classes to achieve that. It evaluates an expression, executes if block for truthy values, else block executed for false value.
21 gru 2021 · Helpers are the proposed way to add custom logic to templates. You can write any helper and use it in a sub-expression. For example, in checking for initialization of a variable the built-in #if check might not be appropriate as it returns false for empty collections (see Utils.isEmpty). You could write a helper that checks for "undefined" such as:
I agree with the core argument that Handlebars is bare and you add these things. It means you can add an implementation appropriate for you. Here is a simple version: Handlebars.registerHelper('ifCond', function(v1, v2, options) {if (v1 === v2) {return options.fn(this);} return options.inverse(this);}); BUT.
Handlebars.registerHelper('ifCond', function(v1, operator, v2, options) {switch (operator) {case '==': return (v1 == v2) ? options.fn(this) : options.inverse(this); break; case '!=': return (v1 != v2) ? options.fn(this) : options.inverse(this); break; case '===': return (v1 === v2) ? options.fn(this) : options.inverse(this); break; case '!==':
Handlebars helper that allows you to use comparison conditions like a typical IF statement. - camdagr8/handlebars-cond
