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/* eslint-disable */
const Filter = {
keydown: function(e) {
if (this.destroyed) return;
var hiddenCount = 0;
var dataHiddenCount = 0;
var list = e.detail.hook.list;
var data = list.data;
var value = e.detail.hook.trigger.value.toLowerCase();
var config = e.detail.hook.config.Filter;
var matches = [];
var filterFunction;
// will only work on dynamically set data
if (!data) {
return;
}
if (config && config.filterFunction && typeof config.filterFunction === 'function') {
filterFunction = config.filterFunction;
} else {
filterFunction = function(o) {
// cheap string search
o.droplab_hidden = o[config.template].toLowerCase().indexOf(value) === -1;
return o;
};
}
dataHiddenCount = data.filter(function(o) {
return !o.droplab_hidden;
}).length;
matches = data.map(function(o) {
return filterFunction(o, value);
});
hiddenCount = matches.filter(function(o) {
return !o.droplab_hidden;
}).length;
if (dataHiddenCount !== hiddenCount) {
list.setData(matches);
list.currentIndex = 0;
}
},
debounceKeydown: function debounceKeydown(e) {
if (
[
13, // enter
16, // shift
17, // ctrl
18, // alt
20, // caps lock
37, // left arrow
38, // up arrow
39, // right arrow
40, // down arrow
91, // left window
92, // right window
93, // select
].indexOf(e.detail.which || e.detail.keyCode) > -1
)
return;
if (this.timeout) clearTimeout(this.timeout);
this.timeout = setTimeout(this.keydown.bind(this, e), 200);
},
init: function init(hook) {
var config = hook.config.Filter;
if (!config || !config.template) return;
this.hook = hook;
this.destroyed = false;
this.eventWrapper = {};
this.eventWrapper.debounceKeydown = this.debounceKeydown.bind(this);
this.hook.trigger.addEventListener('keydown.dl', this.eventWrapper.debounceKeydown);
this.hook.trigger.addEventListener('mousedown.dl', this.eventWrapper.debounceKeydown);
},
destroy: function destroy() {
if (this.timeout) clearTimeout(this.timeout);
this.destroyed = true;
this.hook.trigger.removeEventListener('keydown.dl', this.eventWrapper.debounceKeydown);
this.hook.trigger.removeEventListener('mousedown.dl', this.eventWrapper.debounceKeydown);
},
};
export default Filter;
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