diff options
Diffstat (limited to 'src/client/views/nodes/EquationBox.tsx')
| -rw-r--r-- | src/client/views/nodes/EquationBox.tsx | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/client/views/nodes/EquationBox.tsx b/src/client/views/nodes/EquationBox.tsx index 1f5c9b84b..fefe25764 100644 --- a/src/client/views/nodes/EquationBox.tsx +++ b/src/client/views/nodes/EquationBox.tsx @@ -1,4 +1,3 @@ -/* eslint-disable jsx-a11y/no-static-element-interactions */ import { action, makeObservable, reaction } from 'mobx'; import { observer } from 'mobx-react'; import * as React from 'react'; @@ -50,8 +49,8 @@ export class EquationBox extends ViewBoxBaseComponent<FieldViewProps>() { () => this._props.isSelected(), selected => { if (this._ref.current) { - if (selected) this._ref.current.element.current.children[0].addEventListener('keydown', this.keyPressed, true); - else this._ref.current.element.current.children[0].removeEventListener('keydown', this.keyPressed); + if (selected) (this._ref.current.element.current?.children[0] as HTMLElement).addEventListener('keydown', this.keyPressed, true); + else (this._ref.current.element.current?.children[0] as HTMLElement).removeEventListener('keydown', this.keyPressed); } }, { fireImmediately: true } @@ -60,8 +59,8 @@ export class EquationBox extends ViewBoxBaseComponent<FieldViewProps>() { @action keyPressed = (e: KeyboardEvent) => { - const _height = DivHeight(this._ref.current!.element.current); - const _width = DivWidth(this._ref.current!.element.current); + const _height = DivHeight(this._ref.current!.element?.current); + const _width = DivWidth(this._ref.current!.element?.current); if (e.key === 'Enter') { const nextEq = Docs.Create.EquationDocument(e.shiftKey ? StrCast(this.dataDoc.text) : 'x', { title: '# math', @@ -95,7 +94,7 @@ export class EquationBox extends ViewBoxBaseComponent<FieldViewProps>() { }; updateSize = () => { - const style = this._ref.current && getComputedStyle(this._ref.current.element.current); + const style = this._ref.current?.element.current && getComputedStyle(this._ref.current.element.current); if (style?.width.endsWith('px') && style?.height.endsWith('px')) { if (this.layoutDoc._nativeWidth) { // if equation has been scaled then editing the expression must also edit the native dimensions to keep the aspect ratio |