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Conform more of the codebase to strictNullChecks (#10672)

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* Conform more of the codebase to `strictNullChecks`

* Iterate

* Iterate

* Iterate

* Iterate

* Conform more of the codebase to `strictNullChecks`

* Iterate

* Update record key
This commit is contained in:
Michael Telatynski 2023-04-21 11:50:42 +01:00 • committed by GitHub
parent 792a39a39b
commit be5928cb64
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GPG key ID: 4AEE18F83AFDEB23
34 changed files with 143 additions and 115 deletions
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8
src/components/structures/ScrollPanel.tsx
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@ -786,7 +786,7 @@ export default class ScrollPanel extends React.Component<IProps> {
const scrollState = this.scrollState;
const trackedNode = scrollState.trackedNode;
if (!trackedNode?.parentElement) {
if (!trackedNode?.parentElement && this.itemlist.current) {
let node: HTMLElement | undefined = undefined;
const messages = this.itemlist.current.children;
const scrollToken = scrollState.trackedScrollToken;
@ -890,7 +890,7 @@ export default class ScrollPanel extends React.Component<IProps> {
public clearPreventShrinking = (): void => {
const messageList = this.itemlist.current;
const balanceElement = messageList && messageList.parentElement;
if (balanceElement) balanceElement.style.paddingBottom = null;
if (balanceElement) balanceElement.style.removeProperty("paddingBottom");
this.preventShrinkingState = null;
debuglog("prevent shrinking cleared");
};
@ -904,7 +904,7 @@ export default class ScrollPanel extends React.Component<IProps> {
what it was when marking.
*/
public updatePreventShrinking = (): void => {
if (this.preventShrinkingState) {
if (this.preventShrinkingState && this.itemlist.current) {
const sn = this.getScrollNode();
const scrollState = this.scrollState;
const messageList = this.itemlist.current;
@ -922,7 +922,7 @@ export default class ScrollPanel extends React.Component<IProps> {
if (!shouldClear) {
const currentOffset = messageList.clientHeight - (offsetNode.offsetTop + offsetNode.clientHeight);
const offsetDiff = offsetFromBottom - currentOffset;
if (offsetDiff > 0) {
if (offsetDiff > 0 && balanceElement) {
balanceElement.style.paddingBottom = `${offsetDiff}px`;
debuglog("update prevent shrinking ", offsetDiff, "px from bottom");
} else if (offsetDiff < 0) {