1  'use strict';
 2  
 3  Object.defineProperty(exports, '__esModule', {
 4    value: true
 5  });
 6  exports.normalizeDiffOptions = exports.noColor = void 0;
 7  
 8  var _chalk = _interopRequireDefault(require('chalk'));
 9  
10  function _interopRequireDefault(obj) {
11    return obj && obj.__esModule ? obj : {default: obj};
12  }
13  
14  /**
15   * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
16   *
17   * This source code is licensed under the MIT license found in the
18   * LICENSE file in the root directory of this source tree.
19   */
20  const noColor = string => string;
21  
22  exports.noColor = noColor;
23  const DIFF_CONTEXT_DEFAULT = 5;
24  const OPTIONS_DEFAULT = {
25    aAnnotation: 'Expected',
26    aColor: _chalk.default.green,
27    aIndicator: '-',
28    bAnnotation: 'Received',
29    bColor: _chalk.default.red,
30    bIndicator: '+',
31    changeColor: _chalk.default.inverse,
32    changeLineTrailingSpaceColor: noColor,
33    commonColor: _chalk.default.dim,
34    commonIndicator: ' ',
35    commonLineTrailingSpaceColor: noColor,
36    contextLines: DIFF_CONTEXT_DEFAULT,
37    emptyFirstOrLastLinePlaceholder: '',
38    expand: true,
39    includeChangeCounts: false,
40    omitAnnotationLines: false,
41    patchColor: _chalk.default.yellow
42  };
43  
44  const getContextLines = contextLines =>
45    typeof contextLines === 'number' &&
46    Number.isSafeInteger(contextLines) &&
47    contextLines >= 0
48      ? contextLines
49      : DIFF_CONTEXT_DEFAULT; // Pure function returns options with all properties.
50  
51  const normalizeDiffOptions = (options = {}) => ({
52    ...OPTIONS_DEFAULT,
53    ...options,
54    contextLines: getContextLines(options.contextLines)
55  });
56  
57  exports.normalizeDiffOptions = normalizeDiffOptions;