I have a binary string and I need to be able to convert it to an ArrayBuffer/TypedArray containing the 0-255 values of each byte. For example:
const string = "01110100011001010111100001110100";
// should log an ArrayBuffer containing 116, 101, 120, and 116
console.log(stringToArrayBuffer(string));
My question is basically the reverse of this question.
A simple loop with parseInt(val, 2) should do it:
function stringToArrayBuffer(str) {
const arr = new Uint8Array(str.length / 8);
for(let i = 0; i<str.length; i+=8) {
arr[i/8] = parseInt(str.slice(i, i+8), 2);
}
return arr;
}
const string = "01110100011001010111100001110100";
// should log an ArrayBuffer containing 16, 101, 120, and 116
console.log(stringToArrayBuffer(string));