serializeRequest performs JSON.stringify on a Buffer

Line 34 in 5093b8f

function serializeRequest(config: ApifyRequestConfig): ApifyRequestConfig {

Lines 49 to 50 in 5093b8f

    
           if (type === 'application/json' && typeof config.data === 'object') { 
        
               config.data = stringifyWithFunctions(config.data);

apify-client-js/src/interceptors.ts

Lines 68 to 72 in 5093b8f

    
           function stringifyWithFunctions(obj: JsonObject) { 
        
               return JSON.stringify(obj, (_key, value) => { 
        
                   return typeof value === 'function' ? value.toString() : value; 
        
               }); 
        
           }

I was wondering why I was receiving {"type":"Buffer","data":[...]} instead of actual data...
This breaks .call(buffer, { contentType: 'application/json' }).

Passing a string does not work either because axios does this:

https://github.com/axios/axios/blob/892c241773e7dda78a969ac1faa9b365e24f6cc8/lib/defaults/index.js#L119

This could be worth checking out before v3 ships, as the fix might be breaking. Moving this to the 3.0 milestone.

This was resolved in #1051 and #1058, with a regression test added in #1078.

test: cover sending a Buffer Actor input as raw bytes (#1078)

feat!: type Actor input as plain objects, arrays of them, or raw bytes (

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`serializeRequest` performs `JSON.stringify` on a `Buffer` #277

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	if (type === 'application/json' && typeof config.data === 'object') {
	config.data = stringifyWithFunctions(config.data);

	function stringifyWithFunctions(obj: JsonObject) {
	return JSON.stringify(obj, (_key, value) => {
	return typeof value === 'function' ? value.toString() : value;
	});
	}

serializeRequest performs JSON.stringify on a Buffer #277

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szmarczak commented on Sep 26, 2022

vdusek commented on Sep 16, 2026

vdusek commented on Sep 25, 2026

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`serializeRequest` performs `JSON.stringify` on a `Buffer` #277