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Use immutable list in UploadButton to avoid wasteful re-render (#3394)

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This commit is contained in:
Nolan Lawson 2017-05-28 10:15:35 -07:00 committed by Eugen Rochko
parent 45837c533e
commit 5e41c26203
1 changed files with 6 additions and 4 deletions
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10
app/javascript/mastodon/features/compose/components/upload_button.js
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@ -3,6 +3,8 @@ import IconButton from '../../../components/icon_button';
import PropTypes from 'prop-types';
import { defineMessages, injectIntl } from 'react-intl';
import { connect } from 'react-redux';
import ImmutablePureComponent from 'react-immutable-pure-component';
import ImmutablePropTypes from 'react-immutable-proptypes';
const messages = defineMessages({
upload: { id: 'upload_button.label', defaultMessage: 'Add media' },
@ -10,7 +12,7 @@ const messages = defineMessages({
const makeMapStateToProps = () => {
const mapStateToProps = (state, props) => ({
acceptContentTypes: state.getIn(['media_attachments', 'accept_content_types']).toArray(),
acceptContentTypes: state.getIn(['media_attachments', 'accept_content_types']),
});
return mapStateToProps;
@ -21,14 +23,14 @@ const iconStyle = {
lineHeight: '27px',
};
class UploadButton extends React.PureComponent {
class UploadButton extends ImmutablePureComponent {
static propTypes = {
disabled: PropTypes.bool,
onSelectFile: PropTypes.func.isRequired,
style: PropTypes.object,
resetFileKey: PropTypes.number,
acceptContentTypes: PropTypes.arrayOf(PropTypes.string).isRequired,
acceptContentTypes: ImmutablePropTypes.listOf(PropTypes.string).isRequired,
intl: PropTypes.object.isRequired,
};
@ -58,7 +60,7 @@ class UploadButton extends React.PureComponent {
ref={this.setRef}
type='file'
multiple={false}
accept={ acceptContentTypes.join(',')}
accept={ acceptContentTypes.toArray().join(',')}
onChange={this.handleChange}
disabled={disabled}
style={{ display: 'none' }}