React Typescript API Type for Java byte[] image/png

Question

I am converting this to a Typescript Service for our React web application. Below is the Original API in Java. What is the Typescript Response data type? Blob?

@GET
@Path("/{vendorId}/Photo}")
@Produces("image/png")
byte[] getVendorPhoto(@PathVariable long vendorId);

Poul Kruijt · Accepted Answer · 2022-11-17 14:34:29Z

5

The JS equivalent of Java byte type is a Int8Array. Because the Java byte is a signed 8-bit integer.

const byteArray = new Int8Array(new ArrayBuffer(arrayOfInts));

answered Nov 17, 2022 at 14:34

Poul Kruijt

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1 Comment

mattsmith5 Over a year ago

follow up question here, stackoverflow.com/questions/74480265/…

Shawn · Accepted Answer · 2022-11-16 21:13:59Z

1

By typed array

const idView = new Uint32Array(buffer, 0, 1);
const usernameView = new Uint8Array(buffer, 4, 16);
const amountDueView = new Float32Array(buffer, 20, 1);

answered Nov 16, 2022 at 21:13

Shawn

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5 Comments

mattsmith5 Over a year ago

so for my example above, byte[] image/png, should I use Uint32, Float32, Unit8? what is the best option out of 3?

Shawn Over a year ago

@mattsmith5 actually, it depends on your condition. maybe try out float32.

mattsmith5 Over a year ago

hi, what condition is that? what should I look out for?

Shawn Over a year ago

@mattsmith5 based on the data stored in the buffer. AFAIK

mattsmith5 Over a year ago

its a byte array png, I am trying to research what array type out of the 3 is best for image pngs

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