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46 |
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47 | var assert = require('assert');
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48 |
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49 | module.exports = function() {};
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50 |
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51 | module.exports.prototype = {
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52 | configure: function(options) {
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53 | var validProperties = [
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54 | 'afterTest',
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55 | 'beforeConsequent',
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56 | 'afterConsequent',
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57 | 'beforeAlternate'
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58 | ];
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59 | var optionName = this.getOptionName();
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60 |
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61 | if (options === true) {
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62 | options = {
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63 | 'afterTest': true,
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64 | 'beforeConsequent': true,
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65 | 'afterConsequent': true,
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66 | 'beforeAlternate': true
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67 | };
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68 | }
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69 |
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70 | assert(
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71 | typeof options === 'object',
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72 | optionName + ' option requires a true value or an object'
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73 | );
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74 |
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75 | var isProperlyConfigured = validProperties.some(function(key) {
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76 | var isPresent = key in options;
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77 |
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78 | if (isPresent) {
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79 | assert(
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80 | options[key] === true,
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81 | optionName + '.' + key + ' property requires true value or should be removed'
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82 | );
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83 | }
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84 |
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85 | return isPresent;
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86 | });
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87 |
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88 | assert(
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89 | isProperlyConfigured,
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90 | optionName + ' must have at least 1 of the following properties: ' + validProperties.join(', ')
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91 | );
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92 |
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93 | validProperties.forEach(function(property) {
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94 | this['_' + property] = Boolean(options[property]);
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95 | }.bind(this));
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96 | },
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97 |
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98 | getOptionName: function() {
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99 | return 'disallowSpacesInConditionalExpression';
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100 | },
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101 |
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102 | check: function(file, errors) {
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103 | file.iterateNodesByType(['ConditionalExpression'], function(node) {
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104 |
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105 | var test = node.test;
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106 | var consequent = node.consequent;
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107 | var consequentToken = file.getFirstNodeToken(consequent);
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108 | var alternate = node.alternate;
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109 | var alternateToken = file.getFirstNodeToken(alternate);
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110 | var questionMarkToken = file.findPrevOperatorToken(consequentToken, '?');
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111 | var colonToken = file.findPrevOperatorToken(alternateToken, ':');
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112 | var token;
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113 |
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114 | if (this._afterTest && file.isOnTheSameLine(test, questionMarkToken)) {
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115 | token = file.getPrevToken(questionMarkToken);
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116 |
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117 | errors.assert.noWhitespaceBetween({
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118 | token: token,
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119 | nextToken: questionMarkToken,
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120 | message: 'Illegal space after test'
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121 | });
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122 | }
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123 |
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124 | if (this._beforeConsequent && file.isOnTheSameLine(questionMarkToken, consequent)) {
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125 | token = file.getNextToken(questionMarkToken);
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126 |
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127 | errors.assert.noWhitespaceBetween({
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128 | token: questionMarkToken,
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129 | nextToken: token,
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130 | message: 'Illegal space before consequent'
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131 | });
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132 | }
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133 |
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134 | if (this._afterConsequent && file.isOnTheSameLine(consequent, colonToken)) {
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135 | token = file.getPrevToken(colonToken);
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136 |
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137 | errors.assert.noWhitespaceBetween({
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138 | token: token,
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139 | nextToken: colonToken,
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140 | message: 'Illegal space after consequent'
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141 | });
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142 | }
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143 |
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144 | if (this._beforeAlternate && file.isOnTheSameLine(colonToken, alternate)) {
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145 | token = file.getNextToken(colonToken);
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146 | errors.assert.noWhitespaceBetween({
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147 | token: colonToken,
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148 | nextToken: token,
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149 | message: 'Illegal space before alternate'
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150 | });
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151 | }
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152 | }.bind(this));
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153 | }
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154 |
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155 | };
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