I am gettting the error: Compile Error: ifCond is not a helper when I am trying to write a helper function in Ember
问题 I have a helper function (ifCond) in ember.js as below export default () => { Handlebars.registerHelper('ifCond', function (v1, operator, v2, options) { alert("hi"); if (params[3]) { //handle case insensitive conditions if 4 param is passed. params[0] = params[0].toLowerCase(); params[2] = params[2].toLowerCase(); } let v1 = params[0]; let operator = params[1]; let v2 = params[2]; switch (operator) { case '==': return (v1 == v2); case '!=': return (v1 != v2); case '===': return (v1 === v2);