solana-program-examples/basics/close-account/native/ts/state/index.ts

import * as borsh from "borsh";
import { Buffer } from "buffer";


export class User {

    name: string;

    constructor(props: {
        name: string,
    }) {
        this.name = props.name;
    }

    toBase58() {
        return borsh.serialize(UserSchema, this).toString()
    };

    toBuffer() { 
        return Buffer.from(borsh.serialize(UserSchema, this)) 
    };
    
    static fromBuffer(buffer: Buffer) {
        return borsh.deserialize(UserSchema, User, buffer);
    };
};

export const UserSchema = new Map([
    [ User, { 
        kind: 'struct', 
        fields: [ 
            ['name', 'string'],
        ],
    }]
]);