sprintf.js 767 Bytes
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"use strict";

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @typechecks
 */

/**
 * Simple function for formatting strings.
 *
 * Replaces placeholders with values passed as extra arguments
 *
 * @param {string} format the base string
 * @param ...args the values to insert
 * @return {string} the replaced string
 */
function sprintf(format) {
  for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    args[_key - 1] = arguments[_key];
  }

  var index = 0;
  return format.replace(/%s/g, function (match) {
    return args[index++];
  });
}

module.exports = sprintf;