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

/**
 * @license
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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.
 */
export const GrCountStringFormatter = {
  /**
   * Returns a count plus string that is pluralized when necessary.
   */
  computePluralString(count: number, noun: string): string {
    return this.computeString(count, noun) + (count > 1 ? 's' : '');
  },

  /**
   * Returns a count plus string that is not pluralized.
   */
  computeString(count: number, noun: string): string {
    if (count === 0) {
      return '';
    }
    return `${count} ${noun}`;
  },

  /**
   * Returns a count plus arbitrary text.
   */
  computeShortString(count: number, text: string): string {
    if (count === 0) {
      return '';
    }
    return `${count}${text}`;
  },
};