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10 | 'use strict';
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11 |
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12 | var utils = require('./utils/utils');
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13 |
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14 | var angularRule = require('./utils/angular-rule');
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15 |
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16 |
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17 | module.exports = {
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18 | meta: {
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19 | schema: [{
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20 | enum: [
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21 | 'function',
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22 | 'array',
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23 | '$inject'
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24 | ]
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25 | }, {
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26 | type: 'object',
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27 | properties: {
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28 | matchNames: {
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29 | type: 'boolean'
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30 | },
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31 | stripUnderscores: {
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32 | type: 'boolean'
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33 | }
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34 | }
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35 | }]
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36 | },
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37 | create: angularRule(function(context) {
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38 | var syntax = context.options[0] || 'function';
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39 |
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40 | var extra = context.options[1] || {};
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41 | var matchNames = extra.matchNames !== false;
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42 | var stripUnderscores = extra.stripUnderscores === true;
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43 |
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44 | function report(node) {
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45 | context.report(node, 'You should use the {{syntax}} syntax for DI', {
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46 | syntax: syntax
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47 | });
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48 | }
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49 |
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50 | var $injectProperties = {};
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51 |
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52 | function maybeNoteInjection(node) {
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53 | if (syntax === '$inject' && node.left && node.left.property &&
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54 | ((utils.isLiteralType(node.left.property) && node.left.property.value === '$inject') ||
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55 | (utils.isIdentifierType(node.left.property) && node.left.property.name === '$inject'))) {
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56 | $injectProperties[node.left.object.name] = node.right;
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57 | }
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58 | }
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59 |
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60 | function normalizeParameter(param) {
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61 | return param.replace(/^_(.+)_$/, function(match, p1) {
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62 | return p1;
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63 | });
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64 | }
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65 |
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66 | function checkDi(callee, fn) {
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67 | if (!fn) {
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68 | return;
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69 | }
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70 |
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71 | if (syntax === 'array') {
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72 | if (utils.isArrayType(fn.parent)) {
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73 | if (fn.parent.elements.length - 1 !== fn.params.length) {
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74 | context.report(fn, 'The signature of the method is incorrect', {});
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75 | return;
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76 | }
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77 |
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78 | if (matchNames) {
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79 | var invalidArray = fn.params.filter(function(e, i) {
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80 | var name = e.name;
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81 |
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82 | if (stripUnderscores) {
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83 | name = normalizeParameter(name);
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84 | }
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85 |
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86 | return name !== fn.parent.elements[i].value;
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87 | });
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88 | if (invalidArray.length > 0) {
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89 | context.report(fn, 'You have an error in your DI configuration. Each items of the array should match exactly one function parameter', {});
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90 | return;
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91 | }
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92 | }
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93 | } else {
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94 | if (fn.params.length === 0) {
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95 | return;
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96 | }
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97 | report(fn);
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98 | }
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99 | }
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100 |
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101 | if (syntax === 'function') {
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102 | if (utils.isArrayType(fn.parent)) {
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103 | report(fn);
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104 | }
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105 | }
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106 |
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107 | if (syntax === '$inject') {
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108 | if (fn && fn.id && utils.isIdentifierType(fn.id)) {
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109 | var $injectArray = $injectProperties[fn.id.name];
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110 |
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111 | if ($injectArray && utils.isArrayType($injectArray)) {
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112 | if ($injectArray.elements.length !== fn.params.length) {
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113 | context.report(fn, 'The signature of the method is incorrect', {});
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114 | return;
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115 | }
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116 |
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117 | if (matchNames) {
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118 | var invalidInjectArray = fn.params.filter(function(e, i) {
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119 | var name = e.name;
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120 |
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121 | if (stripUnderscores) {
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122 | name = normalizeParameter(name);
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123 | }
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124 |
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125 | return name !== $injectArray.elements[i].value;
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126 | });
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127 | if (invalidInjectArray.length > 0) {
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128 | context.report(fn, 'You have an error in your DI configuration. Each items of the array should match exactly one function parameter', {});
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129 | return;
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130 | }
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131 | }
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132 | } else if (fn.params.length > 0) {
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133 | report(fn);
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134 | }
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135 | } else if (fn.params && fn.params.length !== 0) {
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136 | report(fn);
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137 | }
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138 | }
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139 | }
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140 |
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141 | return {
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142 | 'angular?animation': checkDi,
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143 | 'angular?config': checkDi,
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144 | 'angular?controller': checkDi,
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145 | 'angular?directive': checkDi,
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146 | 'angular?factory': checkDi,
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147 | 'angular?filter': checkDi,
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148 | 'angular?inject': checkDi,
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149 | 'angular?run': checkDi,
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150 | 'angular?service': checkDi,
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151 | 'angular?provider': function(callee, providerFn, $get) {
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152 | checkDi(null, providerFn);
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153 | checkDi(null, $get);
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154 | },
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155 | AssignmentExpression: function(node) {
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156 | maybeNoteInjection(node);
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157 | }
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158 | };
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159 | })
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160 | };
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