createConfigValueProvider.js•1.84 kB
export const createConfigValueProvider = (configKey, canonicalEndpointParamKey, config) => {
const configProvider = async () => {
const configValue = config[configKey] ?? config[canonicalEndpointParamKey];
if (typeof configValue === "function") {
return configValue();
}
return configValue;
};
if (configKey === "credentialScope" || canonicalEndpointParamKey === "CredentialScope") {
return async () => {
const credentials = typeof config.credentials === "function" ? await config.credentials() : config.credentials;
const configValue = credentials?.credentialScope ?? credentials?.CredentialScope;
return configValue;
};
}
if (configKey === "accountId" || canonicalEndpointParamKey === "AccountId") {
return async () => {
const credentials = typeof config.credentials === "function" ? await config.credentials() : config.credentials;
const configValue = credentials?.accountId ?? credentials?.AccountId;
return configValue;
};
}
if (configKey === "endpoint" || canonicalEndpointParamKey === "endpoint") {
return async () => {
if (config.isCustomEndpoint === false) {
return undefined;
}
const endpoint = await configProvider();
if (endpoint && typeof endpoint === "object") {
if ("url" in endpoint) {
return endpoint.url.href;
}
if ("hostname" in endpoint) {
const { protocol, hostname, port, path } = endpoint;
return `${protocol}//${hostname}${port ? ":" + port : ""}${path}`;
}
}
return endpoint;
};
}
return configProvider;
};