@redtea/format-axios-error
This is a small library that provides a function to format an axios error object for logging purposes. It strips any unnecessary information from the error object, making it more readable and easy to understand when reviewing logs.
Can be used with logform and winston.
Installation
Yarn
$ yarn add -E @redtea/format-axios-errorNPM
$ npm install -E @redtea/format-axios-errorUsage
More usage examples can be found in examples directory.
NodeJS
const axios = require('axios');
const {format} = require('@redtea/format-axios-error');
axios
.get('https://google.com/give-404')
.catch(error => {
console.log(
JSON.stringify(format(error), null, 2)
)
});will print
{
"name": "Error",
"isAxiosError": true,
"config": {
"url": "https://google.com/give-404",
"method": "get",
"headers": [headers],
"timeout": 0,
"xsrfCookieName": "XSRF-TOKEN",
"xsrfHeaderName": "X-XSRF-TOKEN",
"maxContentLength": -1,
"maxBodyLength": -1
},
"response": {
"data": [data],
"status": 404,
"statusText": "Not Found",
"headers": [headers]
}
}
In the example, response data and headers are omitted. Run the code snipped locally to see full log output.
How to use with winston and logform
const winston = require('winston');
const axios = require('axios');
const {axiosError} = require('@redtea/format-axios-error/logform');
const {combine, json} = winston.format;
const logger = winston.createLogger({
level: 'info',
format: combine(
axiosError(),
json({ space: 2 })
),
transports: [
new winston.transports.Console(),
],
});
axios
.get('https://google.com/give-404')
.catch(error => logger.error(error))will print
{
"config": {
"url": "https://google.com/give-404",
"method": "get",
"headers": [headers],
"timeout": 0,
"xsrfCookieName": "XSRF-TOKEN",
"xsrfHeaderName": "X-XSRF-TOKEN",
"maxContentLength": -1,
"maxBodyLength": -1
},
"isAxiosError": true,
"level": "error",
"response": {
"status": 404,
"data": [data],
"headers": [headers],
"statusText": "Not Found"
},
"message": "Request failed with status code 404"
}
Browser
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>format-axios-error browser example</title>
<script src="https://unpkg.com/axios" type="application/javascript"></script>
<script src="https://unpkg.com/@redtea/format-axios-error" type="application/javascript"></script>
</head>
<body>
<script>
axios
.get('https://www.googleapis.com/give-404')
.catch(error => {
console.log(
JSON.stringify(
AxiosErrorFormat.format(error),
null,
2
)
)
})
</script>
</body>
</html>