20 lines
699 B
TypeScript
20 lines
699 B
TypeScript
import { Permissions } from "discord.js";
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/**
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* @param resolvedPermissions A Permission object from e.g. GuildChannel#permissionsFor() or Member#permission
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* @param requiredPermissions Bitmask of required permissions
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* @return Bitmask of missing permissions
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*/
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export function getMissingPermissions(
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resolvedPermissions: Permissions | Readonly<Permissions>,
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requiredPermissions: number | bigint,
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): bigint {
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const allowedPermissions = resolvedPermissions;
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const nRequiredPermissions = requiredPermissions;
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if (Boolean(allowedPermissions.bitfield & Permissions.FLAGS.ADMINISTRATOR)) {
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return BigInt(0);
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}
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return BigInt(nRequiredPermissions) & ~allowedPermissions.bitfield;
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}
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