{"version":3,"file":"broker-factory-B5t-2-qq.js","sources":["../../node_modules/broker-factory/build/es2019/guards/message-port.js","../../node_modules/broker-factory/build/es2019/helpers/port-map.js","../../node_modules/broker-factory/build/es2019/helpers/extend-broker-implementation.js","../../node_modules/broker-factory/build/es2019/module.js"],"sourcesContent":["export const isMessagePort = (sender) => {\n    return typeof sender.start === 'function';\n};\n//# sourceMappingURL=message-port.js.map","export const PORT_MAP = new WeakMap();\n//# sourceMappingURL=port-map.js.map","import { PORT_MAP } from './port-map';\nexport const extendBrokerImplementation = (partialBrokerImplementation) => ({\n    ...partialBrokerImplementation,\n    connect: ({ call }) => {\n        return async () => {\n            const { port1, port2 } = new MessageChannel();\n            const portId = await call('connect', { port: port1 }, [port1]);\n            PORT_MAP.set(port2, portId);\n            return port2;\n        };\n    },\n    disconnect: ({ call }) => {\n        return async (port) => {\n            const portId = PORT_MAP.get(port);\n            if (portId === undefined) {\n                throw new Error('The given port is not connected.');\n            }\n            await call('disconnect', { portId });\n        };\n    },\n    isSupported: ({ call }) => {\n        return () => call('isSupported');\n    }\n});\n//# sourceMappingURL=extend-broker-implementation.js.map","import { generateUniqueNumber } from 'fast-unique-numbers';\nimport { isMessagePort } from './guards/message-port';\nimport { extendBrokerImplementation } from './helpers/extend-broker-implementation';\n/*\n * @todo Explicitly referencing the barrel file seems to be necessary when enabling the\n * isolatedModules compiler option.\n */\nexport * from './interfaces/index';\nexport * from './types/index';\nconst ONGOING_REQUESTS = new WeakMap();\nconst createOrGetOngoingRequests = (sender) => {\n    if (ONGOING_REQUESTS.has(sender)) {\n        // @todo TypeScript needs to be convinced that has() works as expected.\n        return ONGOING_REQUESTS.get(sender);\n    }\n    const ongoingRequests = new Map();\n    ONGOING_REQUESTS.set(sender, ongoingRequests);\n    return ongoingRequests;\n};\nexport const createBroker = (brokerImplementation) => {\n    const fullBrokerImplementation = extendBrokerImplementation(brokerImplementation);\n    return (sender) => {\n        const ongoingRequests = createOrGetOngoingRequests(sender);\n        sender.addEventListener('message', (({ data: message }) => {\n            const { id } = message;\n            if (id !== null && ongoingRequests.has(id)) {\n                const { reject, resolve } = ongoingRequests.get(id);\n                ongoingRequests.delete(id);\n                if (message.error === undefined) {\n                    resolve(message.result);\n                }\n                else {\n                    reject(new Error(message.error.message));\n                }\n            }\n        }));\n        if (isMessagePort(sender)) {\n            sender.start();\n        }\n        const call = (method, params = null, transferables = []) => {\n            return new Promise((resolve, reject) => {\n                const id = generateUniqueNumber(ongoingRequests);\n                ongoingRequests.set(id, { reject, resolve });\n                if (params === null) {\n                    sender.postMessage({ id, method }, transferables);\n                }\n                else {\n                    sender.postMessage({ id, method, params }, transferables);\n                }\n            });\n        };\n        const notify = (method, params, transferables = []) => {\n            sender.postMessage({ id: null, method, params }, transferables);\n        };\n        let functions = {};\n        for (const [key, handler] of Object.entries(fullBrokerImplementation)) {\n            functions = { ...functions, [key]: handler({ call, notify }) };\n        }\n        return { ...functions };\n    };\n};\n//# 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