import * as React from "react";

/**
 * Main Navigation Component
 */
export const Header = () => {
    return (
        <header>
            LLVM Build View
        </header>
    )
}

import * as React from "react";

/**
 * Main Navigation Component
 */
export const Header = () => {
    return (
        <header>
            LLVM Build View
        </header>
    );
}

Add semi-colon at end of return statement