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Performance improvements (#3168)

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* refactor(components/status_list): Avoid quering scrollTop if not necessary

* refactor(components/dropdown_menu): Do not render items if not expanded

* refactor: Cherry-pick react-motion imports

* refactor(compose/privacy_dropdown): Do not render options if not open

* refactor(components/column_collapsable): Do not render children if collapsed
This commit is contained in:
Sorin Davidoi 2017-05-20 14:58:13 +02:00 • committed by Eugen Rochko
parent da0a18a318
commit 2c405aed55
15 changed files with 73 additions and 20 deletions
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37
spec/javascript/components/dropdown_menu.test.jsx
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@ -38,7 +38,40 @@ describe('<DropdownMenu />', () => {
expect(wrapper.find(DropdownTrigger).find('i')).to.have.className(`fa-${icon}`)
});
it('renders list elements for each props.items', () => {
it('is not expanded by default', () => {
expect(wrapper.state('expanded')).to.be.equal(false);
})
it('does not render the list elements if not expanded', () => {
const lis = wrapper.find(DropdownContent).find('li');
expect(lis.length).to.be.equal(0);
})
it('sets expanded to true when clicking the trigger', () => {
const wrapper = mount(<DropdownMenu icon={icon} items={items} size={size} />);
wrapper.find(DropdownTrigger).first().simulate('click');
expect(wrapper.state('expanded')).to.be.equal(true);
})
// Error: ReactWrapper::state() can only be called on the root
/*it('sets expanded to false when clicking outside', () => {
const wrapper = mount((
<div>
<DropdownMenu icon={icon} items={items} size={size} />
<span />
</div>
));
wrapper.find(DropdownTrigger).first().simulate('click');
expect(wrapper.find(DropdownMenu).first().state('expanded')).to.be.equal(true);
wrapper.find('span').first().simulate('click');
expect(wrapper.find(DropdownMenu).first().state('expanded')).to.be.equal(false);
})*/
it('renders list elements for each props.items if expanded', () => {
const wrapper = mount(<DropdownMenu icon={icon} items={items} size={size} />);
wrapper.find(DropdownTrigger).first().simulate('click');
const lis = wrapper.find(DropdownContent).find('li');
expect(lis.length).to.be.equal(items.length);
});
@ -57,7 +90,7 @@ describe('<DropdownMenu />', () => {
it('uses the action passed in via props.items as click handler', () => {
const wrapper = mount(<DropdownMenu icon={icon} items={items} size={size} />);
wrapper.find(DropdownTrigger).first().simulate('click');
wrapper.find(DropdownContent).find('li a').first().simulate('click');
expect(action.calledOnce).to.equal(true);
});