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c3_chart_fn.show = function (targetIds, options) {
var $$ = this.internal, targets;
targetIds = $$.mapToTargetIds(targetIds);
options = options || {};
$$.removeHiddenTargetIds(targetIds);
targets = $$.svg.selectAll($$.selectorTargets(targetIds));
targets.transition()
.style('opacity', 1, 'important')
.call($$.endall, function () {
targets.style('opacity', null).style('opacity', 1);
});
if (options.withLegend) {
$$.showLegend(targetIds);
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
};
c3_chart_fn.hide = function (targetIds, options) {
var $$ = this.internal, targets;
targetIds = $$.mapToTargetIds(targetIds);
options = options || {};
$$.addHiddenTargetIds(targetIds);
targets = $$.svg.selectAll($$.selectorTargets(targetIds));
targets.transition()
.style('opacity', 0, 'important')
.call($$.endall, function () {
targets.style('opacity', null).style('opacity', 0);
});
if (options.withLegend) {
$$.hideLegend(targetIds);
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
};
c3_chart_fn.toggle = function (targetIds, options) {
var that = this, $$ = this.internal;
$$.mapToTargetIds(targetIds).forEach(function (targetId) {
$$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options);
});
};
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