polygerrit-ui/app/elements/shared/gr-count-string-formatter/gr-count-string-formatter.html

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<script>
  (function(window) {
    'use strict';
    const GrCountStringFormatter = window.GrCountStringFormatter || {};

    /**
     * Returns a count plus string that is pluralized when necessary.
     *
     * @param {number} count
     * @param {string} noun
     * @return {string}
     */
    GrCountStringFormatter.computePluralString = function(count, noun) {
      return this.computeString(count, noun) + (count > 1 ? 's' : '');
    };

    /**
     * Returns a count plus string that is not pluralized.
     *
     * @param {number} count
     * @param {string} noun
     * @return {string}
     */
    GrCountStringFormatter.computeString = function(count, noun) {
      if (count === 0) { return ''; }
      return count + ' ' + noun;
    };

    /**
     * Returns a count plus arbitrary text.
     *
     * @param {number} count
     * @param {string} text
     * @return {string}
     */
    GrCountStringFormatter.computeShortString = function(count, text) {
      if (count === 0) { return ''; }
      return count + text;
    };
    window.GrCountStringFormatter = GrCountStringFormatter;
  })(window);
</script>