import axios, { AxiosError } from "axios";
import { contentReturnElement } from "./middleware";
import { logError } from "..";
export const formatError = (error: any): contentReturnElement => {
const errReturn = extractAxiosError(error);
logError(errReturn);
return errReturn;
};
export const extractAxiosError = (error: any): contentReturnElement => {
if (error === null) {
return {
type: "text",
text: "Received a null error! This should never happen. Consider checking server logs",
};
}
try {
// SAP SDK can return actual axios error in complex structure
if (
axios.isAxiosError(error) ||
axios.isAxiosError(error?.cause) ||
axios.isAxiosError(error?.cause?.cause)
) {
const axiosError = (() => {
if (axios.isAxiosError(error)) return error as AxiosError;
if (axios.isAxiosError(error?.cause))
return error.cause as AxiosError;
return error.cause?.cause as AxiosError;
})();
const response = axiosError?.response;
const request = axiosError?.request;
if (response) {
//The request was made and the server responded with a status code that falls out of the range of 2xx the http status code mentioned above
let body =
typeof response.data === "string" ||
typeof response.data === "object"
? response.data
: "undefined or binary";
if (
typeof body === "object" &&
body !== null &&
"type" in body &&
body.type === "Buffer"
) {
body = "undefined or binary";
}
return {
type: "text",
text: JSON.stringify({
type: "response with error",
statusCode: response.status,
statusText: response.statusText,
responseBody: body,
}),
};
} else {
//The request was made but no response was received, `error.request` is an instance of XMLHttpRequest in the browser and an instance of http.ClientRequest in Node.js
return {
type: "text",
text: JSON.stringify({
type: "error creating request",
text: { URI: request.path, method: request.method },
}),
};
}
}
} catch (error) {}
return {
type: "text",
text: JSON.stringify({ error: error.toString() }),
};
};
