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Add unread notification markers (#14818)

* Add unread notification markers

Fixes #14804

* Allow IntersectionObserverArticle's children to be updated
This commit is contained in:
ThibG 2020-09-26 20:57:07 +02:00 committed by GitHub
parent 03b6b034b9
commit ff89025979
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 227 additions and 33 deletions

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@ -2,10 +2,7 @@ import React from 'react';
import PropTypes from 'prop-types';
import scheduleIdleTask from '../features/ui/util/schedule_idle_task';
import getRectFromEntry from '../features/ui/util/get_rect_from_entry';
import { is } from 'immutable';
// Diff these props in the "rendered" state
const updateOnPropsForRendered = ['id', 'index', 'listLength'];
// Diff these props in the "unrendered" state
const updateOnPropsForUnrendered = ['id', 'index', 'listLength', 'cachedHeight'];
@ -33,9 +30,12 @@ export default class IntersectionObserverArticle extends React.Component {
// If we're going from rendered to unrendered (or vice versa) then update
return true;
}
// Otherwise, diff based on props
const propsToDiff = isUnrendered ? updateOnPropsForUnrendered : updateOnPropsForRendered;
return !propsToDiff.every(prop => is(nextProps[prop], this.props[prop]));
// If we are and remain hidden, diff based on props
if (isUnrendered) {
return !updateOnPropsForUnrendered.every(prop => nextProps[prop] === this.props[prop]);
}
// Else, assume the children have changed
return true;
}
componentDidMount () {