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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
th-downstream
Sorin Davidoi 8 years ago committed by Eugen Rochko
parent 5202908017
commit fcf794aebe
15 changed files with 73 additions and 20 deletions
Show Stats Download Patch File Download Diff File

3
app/javascript/mastodon/components/collapsable.js
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@ -1,5 +1,6 @@
import React from 'react';
import { Motion, spring } from 'react-motion';
import Motion from 'react-motion/lib/Motion';
import spring from 'react-motion/lib/spring';
import PropTypes from 'prop-types';
const Collapsable = ({ fullHeight, isVisible, children }) => (

2
app/javascript/mastodon/components/column_collapsable.js
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@ -36,7 +36,7 @@ class ColumnCollapsable extends React.PureComponent {
</div>
<div className='column-collapsable__content' style={{ height: `${fullHeight}px` }}>
{children}
{!collapsed && children}
</div>
</div>
);

20
app/javascript/mastodon/components/dropdown_menu.js
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@ -21,7 +21,8 @@ class DropdownMenu extends React.PureComponent {
};
state = {
direction: 'left'
direction: 'left',
expanded: false,
};
setRef = (c) => {
@ -43,6 +44,10 @@ class DropdownMenu extends React.PureComponent {
this.dropdown.hide();
}
handleShow = () => this.setState({ expanded: true })
handleHide = () => this.setState({ expanded: false })
renderItem = (item, i) => {
if (item === null) {
return <li key={ 'sep' + i } className='dropdown__sep' />;
@ -61,18 +66,23 @@ class DropdownMenu extends React.PureComponent {
render () {
const { icon, items, size, direction, ariaLabel } = this.props;
const { expanded } = this.state;
const directionClass = (direction === "left") ? "dropdown__left" : "dropdown__right";
const dropdownItems = expanded && (
<ul className='dropdown__content-list'>
{items.map(this.renderItem)}
</ul>
);
return (
<Dropdown ref={this.setRef}>
<Dropdown ref={this.setRef} onShow={this.handleShow} onHide={this.handleHide}>
<DropdownTrigger className='icon-button' style={{ fontSize: `${size}px`, width: `${size}px`, lineHeight: `${size}px` }} aria-label={ariaLabel}>
<i className={ `fa fa-fw fa-${icon} dropdown__icon` } aria-hidden={true} />
</DropdownTrigger>
<DropdownContent className={directionClass}>
<ul className='dropdown__content-list'>
{items.map(this.renderItem)}
</ul>
{dropdownItems}
</DropdownContent>
</Dropdown>
);

3
app/javascript/mastodon/components/icon_button.js
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@ -1,5 +1,6 @@
import React from 'react';
import { Motion, spring } from 'react-motion';
import Motion from 'react-motion/lib/Motion';
import spring from 'react-motion/lib/spring';
import PropTypes from 'prop-types';
class IconButton extends React.PureComponent {

2
app/javascript/mastodon/components/status_list.js
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@ -46,7 +46,7 @@ class StatusList extends ImmutablePureComponent {
}
componentDidUpdate (prevProps) {
if (this.node.scrollTop > 0 && (prevProps.statusIds.size < this.props.statusIds.size && prevProps.statusIds.first() !== this.props.statusIds.first() && !!this._oldScrollPosition)) {
if ((prevProps.statusIds.size < this.props.statusIds.size && prevProps.statusIds.first() !== this.props.statusIds.first() && !!this._oldScrollPosition) && this.node.scrollTop > 0) {
this.node.scrollTop = this.node.scrollHeight - this._oldScrollPosition;
}
}

3
app/javascript/mastodon/features/account/components/header.js
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@ -5,7 +5,8 @@ import emojify from '../../../emoji';
import escapeTextContentForBrowser from 'escape-html';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import IconButton from '../../../components/icon_button';
import { Motion, spring } from 'react-motion';
import Motion from 'react-motion/lib/Motion';
import spring from 'react-motion/lib/spring';
import { connect } from 'react-redux';
import ImmutablePureComponent from 'react-immutable-pure-component';

2
app/javascript/mastodon/features/compose/components/privacy_dropdown.js
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@ -80,7 +80,7 @@ class PrivacyDropdown extends React.PureComponent {
<div ref={this.setRef} className={`privacy-dropdown ${open ? 'active' : ''}`}>
<div className='privacy-dropdown__value'><IconButton className='privacy-dropdown__value-icon' icon={valueOption.icon} title={intl.formatMessage(messages.change_privacy)} size={18} active={open} inverted onClick={this.handleToggle} style={iconStyle}/></div>
<div className='privacy-dropdown__dropdown'>
{options.map(item =>
{open && options.map(item =>
<div role='button' tabIndex='0' key={item.value} data-index={item.value} onClick={this.handleClick} className={`privacy-dropdown__option ${item.value === value ? 'active' : ''}`}>
<div className='privacy-dropdown__option__icon'><i className={`fa fa-fw fa-${item.icon}`} /></div>
<div className='privacy-dropdown__option__content'>

3
app/javascript/mastodon/features/compose/components/upload_form.js
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@ -4,7 +4,8 @@ import PropTypes from 'prop-types';
import IconButton from '../../../components/icon_button';
import { defineMessages, injectIntl } from 'react-intl';
import UploadProgressContainer from '../containers/upload_progress_container';
import { Motion, spring } from 'react-motion';
import Motion from 'react-motion/lib/Motion';
import spring from 'react-motion/lib/spring';
const messages = defineMessages({
undo: { id: 'upload_form.undo', defaultMessage: 'Undo' }

3
app/javascript/mastodon/features/compose/components/upload_progress.js
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@ -1,6 +1,7 @@
import React from 'react';
import PropTypes from 'prop-types';
import { Motion, spring } from 'react-motion';
import Motion from 'react-motion/lib/Motion';
import spring from 'react-motion/lib/spring';
import { FormattedMessage } from 'react-intl';
class UploadProgress extends React.PureComponent {

3
app/javascript/mastodon/features/compose/containers/sensitive_button_container.js
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@ -3,7 +3,8 @@ import { connect } from 'react-redux';
import PropTypes from 'prop-types';
import TextIconButton from '../components/text_icon_button';
import { changeComposeSensitivity } from '../../../actions/compose';
import { Motion, spring } from 'react-motion';
import Motion from 'react-motion/lib/Motion';
import spring from 'react-motion/lib/spring';
import { injectIntl, defineMessages } from 'react-intl';
const messages = defineMessages({

3
app/javascript/mastodon/features/compose/index.js
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@ -8,7 +8,8 @@ import { mountCompose, unmountCompose } from '../../actions/compose';
import Link from 'react-router/lib/Link';
import { injectIntl, defineMessages } from 'react-intl';
import SearchContainer from './containers/search_container';
import { Motion, spring } from 'react-motion';
import Motion from 'react-motion/lib/Motion';
import spring from 'react-motion/lib/spring';
import SearchResultsContainer from './containers/search_results_container';
const messages = defineMessages({

3
app/javascript/mastodon/features/ui/components/modal_root.js
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@ -5,7 +5,8 @@ import OnboardingModal from './onboarding_modal';
import VideoModal from './video_modal';
import BoostModal from './boost_modal';
import ConfirmationModal from './confirmation_modal';
import { TransitionMotion, spring } from 'react-motion';
import TransitionMotion from 'react-motion/lib/TransitionMotion';
import spring from 'react-motion/lib/spring';
const MODAL_COMPONENTS = {
'MEDIA': MediaModal,

3
app/javascript/mastodon/features/ui/components/onboarding_modal.js
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@ -4,7 +4,8 @@ import PropTypes from 'prop-types';
import ImmutablePropTypes from 'react-immutable-proptypes';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import Permalink from '../../../components/permalink';
import { TransitionMotion, spring } from 'react-motion';
import TransitionMotion from 'react-motion/lib/TransitionMotion';
import spring from 'react-motion/lib/spring';
import ComposeForm from '../../compose/components/compose_form';
import Search from '../../compose/components/search';
import NavigationBar from '../../compose/components/navigation_bar';

3
app/javascript/mastodon/features/ui/components/upload_area.js
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@ -1,6 +1,7 @@
import React from 'react';
import PropTypes from 'prop-types';
import { Motion, spring } from 'react-motion';
import Motion from 'react-motion/lib/Motion';
import spring from 'react-motion/lib/spring';
import { FormattedMessage } from 'react-intl';
class UploadArea extends React.PureComponent {

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);
});

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