@pmouli/isy-matter-server/node_modules/isy-matter/src/Behaviors/Utils.ts

Service to expose an ISY device as a Matter Border router

import type { MutableEndpoint, SupportedBehaviors } from '@matter/node';

enum RequirementType
{
    Client = 1,
	Server = 1 << 1,
	Optional = 1 << 2,
	Mandatory = 1 << 3,
	All = Client | Server | Optional | Mandatory,
	/*AllServer = Server | Optional | Mandatory,
	AllClient = Client | Optional | Mandatory,
	AllOptional = Server | Client | Optional,
	AllMandatory = Server | Client | Mandatory*/

}

function hasFlag<T extends number>(value: T, flag: T) : boolean
{
	return (value & flag) === flag;
}

export function getRequiredBehaviors<D extends MutableEndpoint>(deviceType: D, requirements: RequirementType = RequirementType.All) : SupportedBehaviors
{
	let behaviors : SupportedBehaviors = {};
	if(hasFlag(requirements,RequirementType.Client))
	{
		if(hasFlag(requirements,RequirementType.Mandatory))
		{
			behaviors = {...behaviors, ...deviceType.requirements.client?.mandatory ?? {}};
		}
		if(hasFlag(requirements,RequirementType.Optional))
		{
			behaviors = {...behaviors, ...deviceType.requirements.client?.optional ?? {}};
		}

	}
	if (hasFlag(requirements, RequirementType.Server)) {
		if (hasFlag(requirements, RequirementType.Mandatory)) {
			behaviors = { ...behaviors, ...deviceType.requirements.server?.mandatory ?? {}};
		}
		if (hasFlag(requirements, RequirementType.Optional)) {
			behaviors = { ...behaviors, ...deviceType.requirements.server?.optional ?? {}};
		}
	}
	return behaviors;
}