I read a source code in kibana:
<ul
ng-show="(popularFields | filter:filter.isFieldFiltered).length > 0"
ng-class="{ 'hidden-sm': !showFields, 'hidden-xs': !showFields }"
class="list-unstyled sidebar-well discover-popular-fields">
<li class="sidebar-item sidebar-list-header">
<h6>Popular</h6>
</li>
<discover-field
ng-repeat="field in popularFields | filter:filter.isFieldFiltered"
field="field"
on-add-field="onAddField"
on-add-filter="onAddFilter"
on-remove-field="onRemoveField"
on-show-details="computeDetails"
>
</discover-field>
</ul>
where is the popularFields
be assigned value, i do not found it:
➜ grep popularFields -r .
./core_plugins/kibana/public/discover/components/field_chooser/field_chooser.html: ng-show="(popularFields | filter:filter.isFieldFiltered).length > 0"
./core_plugins/kibana/public/discover/components/field_chooser/field_chooser.html: ng-repeat="field in popularFields | filter:filter.isFieldFiltered"
./core_plugins/kibana/public/discover/components/field_chooser/field_chooser.html: ng-repeat="field in unpopularFields | filter:filter.isFieldFiltered"