@temporalio/common
Version:
Common library for code that's used across the Client, Worker, and/or Workflow
71 lines • 3.21 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.loadDataConverter = loadDataConverter;
exports.isLoadedDataConverter = isLoadedDataConverter;
const payload_converter_1 = require("../converter/payload-converter");
const data_converter_1 = require("../converter/data-converter");
const type_helpers_1 = require("../type-helpers");
const errors_1 = require("../errors");
const isValidPayloadConverter = (converter, path) => {
const isValid = typeof converter === 'object' &&
converter !== null &&
['toPayload', 'fromPayload'].every((method) => typeof converter[method] === 'function');
if (!isValid) {
throw new errors_1.ValueError(`payloadConverter export at ${path} must be an object with toPayload and fromPayload methods`);
}
};
const isValidFailureConverter = (converter, path) => {
const isValid = typeof converter === 'object' &&
converter !== null &&
['errorToFailure', 'failureToError'].every((method) => typeof converter[method] === 'function');
if (!isValid) {
throw new errors_1.ValueError(`failureConverter export at ${path} must be an object with errorToFailure and failureToError methods`);
}
};
function requireConverter(path, type, validator) {
let module;
try {
module = require(path); // eslint-disable-line @typescript-eslint/no-require-imports
}
catch (error) {
if ((0, type_helpers_1.errorCode)(error) === 'MODULE_NOT_FOUND') {
throw new errors_1.ValueError(`Could not find a file at the specified ${type}Path: '${path}'.`);
}
throw error;
}
if ((0, type_helpers_1.isRecord)(module) && (0, type_helpers_1.hasOwnProperty)(module, type)) {
const converter = module[type];
validator(converter, path);
return converter;
}
else {
throw new errors_1.ValueError(`Module ${path} does not have a \`${type}\` named export`);
}
}
/**
* If {@link DataConverter.payloadConverterPath} is specified, `require()` it and validate that the module has a `payloadConverter` named export.
* If not, use {@link defaultPayloadConverter}.
* If {@link DataConverter.payloadCodecs} is unspecified, use an empty array.
*/
function loadDataConverter(dataConverter) {
let payloadConverter = payload_converter_1.defaultPayloadConverter;
if (dataConverter?.payloadConverterPath) {
payloadConverter = requireConverter(dataConverter.payloadConverterPath, 'payloadConverter', isValidPayloadConverter);
}
let failureConverter = data_converter_1.defaultFailureConverter;
if (dataConverter?.failureConverterPath) {
failureConverter = requireConverter(dataConverter.failureConverterPath, 'failureConverter', isValidFailureConverter);
}
return {
payloadConverter,
failureConverter,
payloadCodecs: dataConverter?.payloadCodecs ?? [],
};
}
/**
* Returns true if the converter is already "loaded"
*/
function isLoadedDataConverter(dataConverter) {
return (0, type_helpers_1.isRecord)(dataConverter) && (0, type_helpers_1.hasOwnProperty)(dataConverter, 'payloadConverter');
}
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