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40 |
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41 | var assert = require('assert');
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42 | var naturalSort = require('natural-compare');
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43 |
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44 |
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45 |
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46 |
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47 | function asc(a, b) {
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48 | return String(a) < String(b) ? -1 : 1;
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49 | }
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50 |
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51 |
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52 |
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53 |
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54 | function ascInsensitive(a, b) {
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55 | var lowercaseA = String(a).toLowerCase();
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56 | var lowercaseB = String(b).toLowerCase();
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57 |
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58 | if (lowercaseA < lowercaseB) {
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59 | return -1;
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60 | }
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61 |
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62 | if (lowercaseA > lowercaseB) {
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63 | return 1;
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64 | }
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65 |
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66 | return asc(a, b);
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67 | }
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68 |
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69 |
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70 |
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71 |
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72 | function ascNatural(a, b) {
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73 | return naturalSort(a, b);
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74 | }
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75 |
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76 |
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77 |
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78 |
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79 | function desc(a, b) {
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80 | return asc(a, b) * -1;
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81 | }
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82 |
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83 |
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84 |
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85 |
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86 | function descInsensitive(a, b) {
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87 | return ascInsensitive(a, b) * -1;
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88 | }
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89 |
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90 |
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91 |
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92 |
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93 | function descNatural(a, b) {
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94 | return naturalSort(a, b) * -1;
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95 | }
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96 |
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97 |
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98 |
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99 |
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100 | var methods = {
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101 | asc: asc,
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102 | 'asc-insensitive': ascInsensitive,
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103 | 'asc-natural': ascNatural,
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104 | desc: desc,
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105 | 'desc-insensitive': descInsensitive,
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106 | 'desc-natural': descNatural
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107 | };
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108 |
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109 | module.exports = function() {};
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110 |
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111 | module.exports.prototype = {
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112 |
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113 | configure: function(options) {
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114 | assert(
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115 | options === true || Object.keys(methods).indexOf(options) !== -1,
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116 | this.getOptionName() + ' option requires a true value or should be removed'
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117 | );
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118 |
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119 | this._sort = methods[options] || methods.asc;
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120 | },
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121 |
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122 | getOptionName: function() {
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123 | return 'validateOrderInObjectKeys';
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124 | },
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125 |
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126 | check: function(file, errors) {
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127 | var sort = this._sort;
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128 |
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129 | file.iterateNodesByType('ObjectExpression', function(node) {
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130 | var keys = node.properties.map(function(property) {
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131 | return (property.key.name || property.key.value);
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132 | });
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133 |
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134 | var sorted = keys.slice(0).sort(sort);
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135 | var unsorted;
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136 |
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137 | for (var i = 0; i < keys.length; i++) {
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138 | if (keys[i] !== sorted[i]) {
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139 | unsorted = i;
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140 |
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141 | break;
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142 | }
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143 | }
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144 |
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145 | if (undefined !== unsorted) {
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146 | errors.add(
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147 | 'Object keys must be in ' + (/asc/.test(sort.name) ? 'ascending' : 'descending') + ' order',
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148 | node.properties[unsorted]
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149 | );
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150 | }
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151 | });
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152 | }
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153 | };
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