@krisdages/aurelia-bootstrap/src/accordion/aubs-accordion-group.html

Bootstrap components written in Aurelia.

<template>
    <div class.bind="isBootstrapVersion(3) ? 'panel ' + panelClass : 'card' ">
        <div role="tab" class.bind="isBootstrapVersion(3) ? 'panel-heading' : 'card-header'">
            <template replaceable part="header">
                <h4 class.bind="isBootstrapVersion(3) ? 'panel-title' : 'mb-0'">

                    <a href="javascript:void(0)" innerHTML.bind="title" click.delegate="toggle()" show.bind="!disabled"></a>
                    <span class="text-muted" innerHTML.bind="title" show.bind="disabled"></span>
                </h4>
            </template>
        </div>

        <div class="collapse" role="tabpanel" ref="$collapse">
            <div class.bind="isBootstrapVersion(3) ? 'panel-body' : 'card-block'">
                <slot></slot>
            </div>
        </div>
    </div>
</template>