n8n/packages/editor-ui/src/permissions.ts

import type { Scope } from '@n8n/permissions';
import { RESOURCES } from '@n8n/permissions';

type ExtractScopePrefixSuffix<T> = T extends `${infer Prefix}:${infer Suffix}`
	? [Prefix, Suffix]
	: never;
type ActionBooleans<T extends readonly string[]> = {
	[K in T[number]]?: boolean;
};
export type PermissionsRecord = {
	[K in keyof typeof RESOURCES]: ActionBooleans<(typeof RESOURCES)[K]>;
};

export const getResourcePermissions = (resourceScopes: Scope[] = []): PermissionsRecord =>
	Object.keys(RESOURCES).reduce(
		(permissions, key) => ({
			...permissions,
			[key]: resourceScopes.reduce((resourcePermissions, scope) => {
				const [prefix, suffix] = scope.split(':') as ExtractScopePrefixSuffix<Scope>;

				if (prefix === key) {
					return {
						...resourcePermissions,
						[suffix]: true,
					};
				}

				return resourcePermissions;
			}, {}),
		}),
		{} as PermissionsRecord,
	);