ember-class-names-helper:在Ember模板中有条件地联接类名的更简洁方法

{{class-names}}助手 提供了一种更干净的方法，用于在模板中有条件地连接类名。 前： < button class = " button {{ if @ primary " button--primary " }} {{ if @ small " button--small " }} {{ if @ disabled " is-disabled " }} " type = " button " > Submit </ button > 后： < button class = {{ class-names " button " button--primary = @ primary button--small = @ small is-disabled = @ disabled }} type = " button " >