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

/**
 * @module nullToEmpty
 * @description Returns the specified value if non-null, otherwise an empty array.
 * @param {Object} input - The object to investigate
 * @returns Object - The specified value if non-null, otherwise an empty array
 * @example {{ readField('jvm', 'files') | nullToEmpty }}
 */
function nullToEmpty(input) {
    let output;
    if (input) {
        output = input;
    } else {
        output = [];
    }

 * @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 }}
 */
function isEnabledUser(username) {

                // > level of the particular .gitignore file itself.
                // > Otherwise the pattern may also match at any level below
                // > the .gitignore level.
                ? '(?:^|\\/)'

                // > Otherwise, Git treats the pattern as a shell glob suitable for
                // >   consumption by fnmatch(3)
                : '^'
        }

        this.loadLines()
        if (!options.noInit) this.init()
    }

    loadLines() {
        // Load all the lines and create the container so that the size is fixed
        // Otherwise it would be changing and the user viewport would be constantly
        // moving as she/he scrolls
        const finish = this.generateFinish()
        finish.style.visibility = 'hidden'

 * @param {Map} pr - The gitStream PR instance to check (includes metadata related to the pull request).
 * @returns {boolean} Returns true if the outlined conditions are met, otherwise false.
 * @example {{ 'platform_labels' | isEnabledAutomation(pr) }}
 */
function isEnabledAutomation(automationName, pr) {
    let result;
    const automationActivations = enabled.get(automationName) || [];