User register function for vue

smart_contract.js

async registerUser() {
      try {
        const accounts = await window.ethereum.request({
          method: "eth_requestAccounts",
        });
        const user = accounts[0];

        const gasEstimate = await lcContract.methods
          .registerUser(this.name, this.email, this.password)
          .estimateGas({ from: user });
        const gasLimit = Math.floor(gasEstimate * 1.2);

        await lcContract.methods
          .registerUser(this.name, this.email, this.password)
          .send({ from: user, gas: gasLimit })
          .once("receipt", (receipt) => {
            console.log(receipt);
          });

        this.toastNotification(
          "alert-success",
          "User registered successfully!"
        );
        this.checkUserRegistration();
      } catch (error) {
        console.log(error);
        this.toastNotification("alert-danger", "User Already registered!");
      }
    },