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Fix parent possibly null before passing it as prop

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This commit is contained in:
Henrik Tøn Løvhaug
2024-12-09 15:24:25 +01:00
parent 48e2ad3535
commit 4d6b61e90e
1 changed files with 7 additions and 7 deletions
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14
frontend/src/components/Drag.svelte
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@@ -4,7 +4,7 @@
x: number;
y: number;
ws: WebSocket | null;
parent: HTMLElement;
parent: HTMLElement | null;
};
let {
@@ -22,10 +22,10 @@
let vis_y = $state(0);
$effect(() => {
vis_x = x + (parent.clientWidth ?? 0) / 2 - (element.clientWidth ?? 0) / 2;
vis_x = x + (parent?.clientWidth ?? 0) / 2 - (element.clientWidth ?? 0) / 2;
vis_y =
y + (parent.clientHeight ?? 0) / 2 - (element.clientHeight ?? 0) / 2;
y + (parent?.clientHeight ?? 0) / 2 - (element.clientHeight ?? 0) / 2;
});
let capturedPointerId: number | null = $state(null);
@@ -45,12 +45,12 @@
e.stopPropagation();
x = Math.min(
parent.clientWidth / 2,
Math.max(-parent.clientWidth / 2, x + e.movementX),
(parent?.clientWidth ?? 0) / 2,
Math.max(-(parent?.clientWidth ?? 0) / 2, x + e.movementX),
);
y = Math.min(
parent.clientHeight / 2,
Math.max(-parent.clientHeight / 2, y + e.movementY),
(parent?.clientHeight ?? 0) / 2,
Math.max(-(parent?.clientHeight ?? 0) / 2, y + e.movementY),
);
if (ws) {