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fixed scroll top top issue

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This commit is contained in:
Nouman Tahir 2021-03-02 17:46:57 +05:00
parent b6a05eff9a
commit a24df269e3
3 changed files with 50 additions and 60 deletions
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10
src/components/posts/container/postsContainer.js
View File

@ -101,7 +101,7 @@ const PostsContainer = ({
useEffect(() => {
if (forceLoadPost) {
_setFeedPosts([])
_setFeedPosts([]);
setStartAuthor('');
setStartPermlink('');
setSelectedFilterIndex(selectedOptionIndex || 0);
@ -205,7 +205,7 @@ const PostsContainer = ({
}, [subscribingCommunities]);
const _setFeedPosts = (_posts) => {
setPosts(_posts)
setPosts(_posts);
dispatch(setFeedPosts(_posts));
};
@ -323,7 +323,7 @@ const PostsContainer = ({
}
}
// if (posts.length <= 5 && pageType !== 'profiles') {
_setFeedPosts(_posts);
_setFeedPosts(_posts);
// }
//if (!refreshing) {
@ -368,7 +368,7 @@ const PostsContainer = ({
const _handleFilterOnDropdownSelect = (index) => {
setSelectedFilterIndex(index);
_setFeedPosts([])
_setFeedPosts([]);
setStartPermlink('');
setStartAuthor('');
setIsNoPost(false);
@ -376,7 +376,7 @@ const PostsContainer = ({
const _handleFeedSubfilterOnDropdownSelect = (index) => {
setSelectedFeedSubfilterIndex(index);
_setFeedPosts([])
_setFeedPosts([]);
setStartPermlink('');
setStartAuthor('');
setIsNoPost(false);

62
src/components/posts/view/postsView.js
View File

@ -243,39 +243,39 @@ const PostsView = ({
};
const _scrollTop = () => {
postsList.current.scrollToOffset({ x: 0, y: 0, animated: true });
postsList.current.scrollToTop();
};
const _renderItem = ({ item, index }) => {
const e = [];
if (index % 3 === 0) {
const ix = index / 3 - 1;
if (promotedPosts[ix] !== undefined) {
const p = promotedPosts[ix];
if (get(p, 'author', null) && posts.filter((x) => x.permlink === p.permlink).length <= 0) {
e.push(
<PostCard
key={`${p.author}-${p.permlink}-prom`}
isRefresh={refreshing}
content={p}
isHideImage={isHideImage}
/>,
);
}
}
}
if (get(item, 'author', null)) {
e.push(
<PostCard
key={`${item.author}-${item.permlink}`}
isRefresh={refreshing}
content={item}
isHideImage={isHideImage}
/>,
);
}
return e;
};
// const _renderItem = ({ item, index }) => {
// const e = [];
// if (index % 3 === 0) {
// const ix = index / 3 - 1;
// if (promotedPosts[ix] !== undefined) {
// const p = promotedPosts[ix];
// if (get(p, 'author', null) && posts.filter((x) => x.permlink === p.permlink).length <= 0) {
// e.push(
// <PostCard
// key={`${p.author}-${p.permlink}-prom`}
// isRefresh={refreshing}
// content={p}
// isHideImage={isHideImage}
// />,
// );
// }
// }
// }
// if (get(item, 'author', null)) {
// e.push(
// <PostCard
// key={`${item.author}-${item.permlink}`}
// isRefresh={refreshing}
// content={item}
// isHideImage={isHideImage}
// />,
// );
// }
// return e;
// };
const _onEndReached = ({ distanceFromEnd }) => {
if (!_onEndReachedCalledDuringMomentum) {

38
src/components/postsList/container/postsListContainer.tsx
View File

@ -1,4 +1,4 @@
import React, {memo, useRef} from 'react'
import React, {forwardRef, memo, useRef, useImperativeHandle} from 'react'
import PostCard from '../../postCard';
import { get } from 'lodash';
import { FlatListProps, FlatList } from 'react-native';
@ -12,13 +12,19 @@ interface postsListContainerProps extends FlatListProps<any> {
const postsListContainer = ({
promotedPosts,
...props
}:postsListContainerProps) => {
}:postsListContainerProps, ref) => {
const flatListRef = useRef(null);
const isHideImages = useSelector((state) => state.ui.hidePostsThumbnails);
const posts = useSelector((state) => state.posts.feedPosts);
useImperativeHandle(ref, () => ({
scrollToTop() {
flatListRef.current?.scrollToOffset({ x: 0, y: 0, animated: true });
},
}));
const _renderItem = ({ item, index }) => {
const _renderItem = ({ item, index }:{item:any, index:number}) => {
const e = [];
if (index % 3 === 0) {
const ix = index / 3 - 1;
@ -28,7 +34,6 @@ const postsListContainer = ({
e.push(
<PostCard
key={`${p.author}-${p.permlink}-prom`}
isRefresh={false}
content={p}
isHideImage={isHideImages}
/>,
@ -40,7 +45,6 @@ const postsListContainer = ({
e.push(
<PostCard
key={`${item.author}-${item.permlink}`}
isRefresh={false}
content={item}
isHideImage={isHideImages}
/>,
@ -49,8 +53,12 @@ const postsListContainer = ({
return e;
};
return (
<FlatList
ref={flatListRef}
data={posts}
showsVerticalScrollIndicator={false}
renderItem={_renderItem}
@ -65,23 +73,5 @@ const postsListContainer = ({
)
}
//render only is posts list item are different;
// const _checkEquality = (prevProps:postsListContainerProps, nextProps:postsListContainerProps) => {
// console.log("equality check: ", prevProps, nextProps)
// if(prevProps.posts.length == nextProps.posts.length){
// let samePosts = true;
// for(var i = 0; i < nextProps.posts.length; i++){
// if(nextProps.posts[i].post_id !== prevProps.posts[i].post_id){
// samePosts = false;
// break;
// }
// }
// return samePosts;
// }
// return false;
// }
export default memo(postsListContainer);
export default memo(forwardRef(postsListContainer));