Function convertValueToHexString

Converts a value to a hexadecimal string representation.

• If the value is a string that can be parsed as a number, converts it to hex.
• If the value is a string that cannot be parsed as a number, returns it as is.
• If the value is a Uint8Array, converts each byte to a hex string, with optional padding and prefix, then joins with spaces.
• If the value is a number, converts it to hex with optional padding and prefix.
• If the value is an array of numbers, converts each to hex with optional padding and prefix, then joins with spaces.
• Returns an empty string for unsupported value types.

Returns

Hexadecimal string representation or original string.

Example

convertValueToHexString("255");                       // "0xff"
convertValueToHexString("not a number");              // "not a number"
convertValueToHexString(255);                         // "0xff"
convertValueToHexString([1, 255], 4);                 // "0x0001 0x00ff"
convertValueToHexString(new Uint8Array([15,255]), 2); // "0x0f 0xff"