ask-cli-x/dist/lib/utils/hash-utils.js

Alexa Skills Kit (ASK) Command Line Interfaces

"use strict";
const crypto = require("crypto");
const folderHash = require("folder-hash");
const fs = require("fs");
module.exports = {
    getHash,
    getFileHash,
};
/**
 * Function used to generate hashcode of input folder/file
 * @param {*} sourcePath folder/file path
 * @param {*} callback { error, hashCode }
 */
function getHash(sourcePath, callback) {
    const options = {
        algo: "sha1",
        encoding: "base64",
        folders: {
            exclude: [".*", "node_modules", "test_coverage", "dist", "build"],
            ignoreRootName: true,
        },
    };
    folderHash.hashElement(sourcePath, options, (error, result) => {
        callback(error, error ? null : result.hash);
    });
}
/**
 * Returns hash of a file
 * @param{String} filePath
 */
function getFileHash(filePath) {
    const sum = crypto.createHash("sha256");
    sum.update(fs.readFileSync(filePath));
    return sum.digest("hex");
}