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feat: multiplayer undo / redo (#7348)

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Marcel Mraz 2024-04-17 13:01:24 +01:00 • committed by GitHub
parent 5211b003b8
commit 530617be90
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71 changed files with 34885 additions and 14877 deletions
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12
packages/excalidraw/utils.ts
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@ -671,6 +671,18 @@ export const arrayToMapWithIndex = <T extends { id: string }>(
return acc;
}, new Map<string, [element: T, index: number]>());
/**
* Transform array into an object, use only when array order is irrelevant.
*/
export const arrayToObject = <T>(
array: readonly T[],
groupBy?: (value: T) => string,
) =>
array.reduce((acc, value) => {
acc[groupBy ? groupBy(value) : String(value)] = value;
return acc;
}, {} as { [key: string]: T });
export const isTestEnv = () => import.meta.env.MODE === "test";
export const isDevEnv = () => import.meta.env.MODE === "development";