/*
 * Copyright © 2019 Atomist, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import * as crypto from "crypto";

/**
 * Compute the sha of the given string
 * @param {string} s
 * @return {string}
 */
export function computeShaOf(s: string): string {
    if (s === undefined || s === null) {
        throw new Error("Cannot compute SHA of undefined or null");
    }
    return crypto.createHash("sha512").update(s).digest("hex");
}