Getting the address from a signature in javascript with ethers.js

get-addrs-from-eip712-sig.js

const { ethers } = require('ethers');

async function recoverSigner(address, nonce, deadline, v, r, s) {
    const domain = {
        name: "RandomReachDebug5Local",
        version: "1",
        chainId: 31337,
        verifyingContract: "0x8464135c8F25Da09e49BC8782676a84730C318bC",
    };

    // Hash the EIP712 Domain Separator
    let domainSeparator = ethers.utils.keccak256(
        ethers.utils.defaultAbiCoder.encode(
            ["bytes32", "bytes32", "bytes32", "uint256", "address"],
            [
                ethers.utils.id("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                ethers.utils.id(domain.name),
                ethers.utils.id(domain.version),
                domain.chainId,
                domain.verifyingContract,
            ]
        )
    );

    // Hash the EIP712 Message
    let messageHash = ethers.utils.keccak256(
        ethers.utils.defaultAbiCoder.encode(
            ["bytes32", "address", "uint256", "uint256"],
            [
                ethers.utils.id("Request(address minter,uint256 nonce,uint256 deadline)"),
                address,
                nonce,
                deadline,
            ]
        )
    );

    // Calculate the final digest
    let digest = ethers.utils.keccak256(
        ethers.utils.solidityPack(
            ["bytes1", "bytes1", "bytes32", "bytes32"],
            ["0x19", "0x01", domainSeparator, messageHash]
        )
    );

    const sig = {
        r: r,
        s: s,
        v: v,
    };

    if (sig.v < 27) {
        sig.v += 27;
    }

    const signer = ethers.utils.recoverAddress(digest, sig);
    console.log('this is the digest');
    console.log(digest);
    
    return signer;
}

const address = "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266";
const nonce = 0;
const deadline = 1685255589;
const v = 28;
const r = "0xf611b84952f4e151c561865c94c9d1655937eae46470dc0574e822095773f4b5";
const s = "0x3d06c4e5d77364ef6765ddd820578ff6f7cfc4cca2140bf8feee99fa3ef71290";

async function run() {
    try {
        const signer = await recoverSigner(address, nonce, deadline, v, r, s);
        console.log(`The signer is: ${signer}`);
    } catch (error) {
        console.error(`Error in recovering signer: ${error}`);
    }
}

run();