serverless-spy
Version:
CDK-based library for writing elegant integration tests on AWS serverless architecture and an additional web console to monitor events in real time.
52 lines (51 loc) • 2.35 kB
JavaScript
import { resolveParamsForS3 } from "../service-customizations";
import { createConfigValueProvider } from "./createConfigValueProvider";
import { getEndpointFromConfig } from "./getEndpointFromConfig";
import { toEndpointV1 } from "./toEndpointV1";
export const getEndpointFromInstructions = async (commandInput, instructionsSupplier, clientConfig, context) => {
if (!clientConfig.endpoint) {
let endpointFromConfig;
if (clientConfig.serviceConfiguredEndpoint) {
endpointFromConfig = await clientConfig.serviceConfiguredEndpoint();
}
else {
endpointFromConfig = await getEndpointFromConfig(clientConfig.serviceId);
}
if (endpointFromConfig) {
clientConfig.endpoint = () => Promise.resolve(toEndpointV1(endpointFromConfig));
}
}
const endpointParams = await resolveParams(commandInput, instructionsSupplier, clientConfig);
if (typeof clientConfig.endpointProvider !== "function") {
throw new Error("config.endpointProvider is not set.");
}
const endpoint = clientConfig.endpointProvider(endpointParams, context);
return endpoint;
};
export const resolveParams = async (commandInput, instructionsSupplier, clientConfig) => {
const endpointParams = {};
const instructions = instructionsSupplier?.getEndpointParameterInstructions?.() || {};
for (const [name, instruction] of Object.entries(instructions)) {
switch (instruction.type) {
case "staticContextParams":
endpointParams[name] = instruction.value;
break;
case "contextParams":
endpointParams[name] = commandInput[instruction.name];
break;
case "clientContextParams":
case "builtInParams":
endpointParams[name] = await createConfigValueProvider(instruction.name, name, clientConfig)();
break;
default:
throw new Error("Unrecognized endpoint parameter instruction: " + JSON.stringify(instruction));
}
}
if (Object.keys(instructions).length === 0) {
Object.assign(endpointParams, clientConfig);
}
if (String(clientConfig.serviceId).toLowerCase() === "s3") {
await resolveParamsForS3(endpointParams);
}
return endpointParams;
};