/**
 * @param {?string} str
 * @return {boolean} Whether the given string is null or is the empty string.
 * @public
 */
Platform.stringIsNullOrEmpty = function(str) {
  return !str;
};


/**
 * @param {?string} str
 * @return {string} Original str, if it is non-null. Otherwise empty string.
 */
Platform.nullToEmpty = function(str) {
  return str || "";
};


/**
 * @param {?string} str

 */

/** Get the domain of the user's email

  @param {!object}
    github enables querying for PR and also create issue using rest endpoint
    username has the login username of the Pull Request Event
  @return {string} Return the domain name of the user's email. Empty string if not found
*/

const get_email_domain = async ({github, username}) => {
  const user = await github.rest.users.getByUsername({
    username

/**
 * @module isEnabledUser
 * @description Returns true if the username that is passed to this function is a member of the Gradle BT Team who has opted into gitStream automations.
 * @param {string} Input - The GitHub username to check.
 * @returns {boolean} Returns true if the user is specified in any of the lists of Gradle BT team members above, otherwise false.
 * @example {{ pr.author | isEnabledUser }}
 */

            return div.firstElementChild;
        });
    }

    /**
     * Helper function for generating attributes string.
     *
     * @param {Object} line - Line data object.
     * @returns {string} - String of attributes.
     */
    _attributes(line) {
        let attrs = '';
        for (let prop in line) {
            // Custom add class

/**
 * @module byCodeowner
 * @description Groups the PR's files' by owner based on the CODEOWNERs file.
 * @param {string[]} files - the gitStream's files context variable
 * @param {Object} pr - the gitStream's pr context variable
 * @param {string} token - access token with repo:read scope, used to read the CODEOWNERS file
 * @param {string} pathToCodeOwners - path from repo root to CODEOWNERS file
 * @returns {Map} - Map from owner name to list of files they own

 * @description Returns one field for a particular named object in a list of objects.
 * @param {[Object]} objects - The objects to search
 * @param {String} objectName - The name of the particular object to find
 * @param {String} fieldName - The name of the field for the group to return
 * @returns String - The specified value
 * @example {{ files | byPlatform | categorize(branch.diff.files_metadata) | readField('jvm', 'name') }}
 */

/**
 * @module byPlatform
 * @description Groups the PR's files by platform based on the file's path.
 * @param {string[]} files - the gitStream's files context variable
 * @returns {Map} - Map from platform to list of files in this PR in it
 * @example {{ owners | byPlatform }}
 */
function byPlatform(files) {
    const result = new Map();
    files.forEach(file => {
        const platform = getPlatform(file);
        if (!result.has(platform)) {

  Created issue is assigned to original PR owner and reviewer.

  @param {!object}
    github enables querying for PR and also create issue using rest endpoint
    context has the commit message details in the payload
  @return {string} Returns the issue number and title
*/
module.exports = async ({github, context}) => {
  const rollback_commit = context.payload.head_commit.id;

 * @description Create a string containing an HTML table describing the given summary statistics.
 *
 * The table should be in descending order of the number of lines changed, and should only include platforms with non-0 changes.
 *
 * @param {[Object]} statistics - list of summary data objects from computeStatistics
 * @param {String} title - description of how data is grouped
 * @returns {String} Returns the formatted HTMl table string.

c=a.createElement("p"),d=a.getElementsByTagName("head")[0]||a.documentElement;return c.innerHTML="x<style>"+b+"</style>",d.insertBefore(c.lastChild,d.firstChild)}function d(){var a=t.elements;return"string"==typeof a?a.split(" "):a}function e(a,b){var c=t.elements;"string"!=typeof c&&(c=c.join(" ")),"string"!=typeof a&&(a=a.join(" ")),t.elements=c+" "+a,j(b)}function f(a){var b=s[a[q]];return b||(b={},r++,a[q]=r,s[r]=b),b}function g(a,c,d){if(c||(c=b),l)return c.createElement(a);d||(d=f(c));var e;return...