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/**
 * @license
 * Copyright 2020 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * @fileoverview Helper function for warning developers about deprecations.
 * This method is not specific to Blockly.
 * @author [email protected] (Rachel Fenichel);
 */
'use strict';

goog.provide('Blockly.utils.deprecation');

/**
 * Warn developers that a function is deprecated.
 * @param {string} functionName The name of the function.
 * @param {string} deprecationDate The date when the function was deprecated.
 *     Prefer 'month yyyy' or 'quarter yyyy' format.
 * @param {string} deletionDate The date when the function will be deleted, in
 *     the same format as the deprecation date.
 * @param {string=} opt_use The name of a function to use instead, if any.
 * @package
 */
Blockly.utils.deprecation.warn = function(
    functionName, deprecationDate, deletionDate, opt_use) {
  var msg = functionName + ' was deprecated on ' + deprecationDate +
        ' and will be deleted on ' + deletionDate + '.';
  if (opt_use) {
    msg += '\nUse ' + opt_use + ' instead.';
  }
  console.warn(msg);
};