Created
July 1, 2022 14:06
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A simple function that marks a callback as busy to avoid calling it multiple times before it has finished its task.
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| const busyCallbacks = new Set() | |
| export async function busy(callback : () => any) : Promise<any> { | |
| if (busyCallbacks.has(callback)) { | |
| return | |
| } | |
| busyCallbacks.add(callback) | |
| const value = await callback() | |
| busyCallbacks.delete(callback) | |
| return value | |
| } |
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