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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 | module.exports = {
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15 | meta: {
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16 | schema: []
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17 | },
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18 | create: function(context) {
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19 | var angularObjectList = ['animation', 'config', 'constant', 'controller', 'directive', 'factory', 'filter', 'provider', 'service', 'value', 'decorator'];
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20 |
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21 | function checkArgumentPositionInFunction(node) {
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22 | if (!node.params || node.params.length < 2) {
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23 | return;
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24 | }
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25 |
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26 | var linesFound = [];
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27 | node.params.forEach(reportMultipleItemsInOneLine.bind(null, node, linesFound));
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28 | }
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29 |
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30 | function reportMultipleItemsInOneLine(node, linesFound, item) {
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31 | var currentLine = item.loc.start.line;
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32 | if (linesFound.indexOf(currentLine) !== -1) {
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33 | context.report({
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34 | node: node,
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35 | message: 'Do not use multiple dependencies in one line',
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36 | loc: item.loc.start
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37 | });
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38 | }
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39 | linesFound.push(currentLine);
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40 | }
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41 |
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42 | function checkArgumentPositionArrayExpression(angularComponentNode, arrayNode) {
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43 | var linesFound = [];
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44 |
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45 | arrayNode.elements.forEach(function(element) {
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46 | if (element.type === 'Literal') {
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47 | reportMultipleItemsInOneLine(arrayNode, linesFound, element);
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48 | }
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49 | if (element.type === 'FunctionExpression') {
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50 | checkArgumentPositionInFunction(element);
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51 | }
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52 | if (element.type === 'Identifier') {
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53 | var fn = getFunctionDeclaration(angularComponentNode, element.name);
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54 | checkArgumentPositionInFunction(fn);
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55 | }
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56 | });
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57 | }
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58 |
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59 | function findFunctionDeclarationByDeclaration(body, fName) {
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60 | return body.find(function(item) {
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61 | return item.type === 'FunctionDeclaration' && item.id.name === fName;
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62 | });
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63 | }
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64 |
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65 | function findFunctionDeclarationByVariableDeclaration(body, fName) {
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66 | var fn;
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67 | body.forEach(function(item) {
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68 | if (fn) {
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69 | return;
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70 | }
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71 | if (item.type === 'VariableDeclaration') {
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72 | item.declarations.forEach(function(declaration) {
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73 | if (declaration.type === 'VariableDeclarator' &&
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74 | declaration.id &&
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75 | declaration.id.name === fName &&
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76 | declaration.init &&
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77 | declaration.init.type === 'FunctionExpression'
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78 | ) {
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79 | fn = declaration.init;
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80 | }
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81 | });
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82 | }
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83 | });
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84 | return fn;
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85 | }
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86 |
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87 | function getFunctionDeclaration(node, fName) {
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88 | if (node.type === 'BlockStatement' || node.type === 'Program') {
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89 | if (node.body) {
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90 | var fn = findFunctionDeclarationByDeclaration(node.body, fName);
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91 | if (fn) {
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92 | return fn;
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93 | }
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94 | fn = findFunctionDeclarationByVariableDeclaration(node.body, fName);
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95 | if (fn) {
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96 | return fn;
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97 | }
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98 | }
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99 | }
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100 | if (node.parent) {
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101 | return getFunctionDeclaration(node.parent, fName);
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102 | }
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103 | }
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104 |
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105 | return {
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106 |
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107 | CallExpression: function(node) {
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108 | var fn;
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109 | if (utils.isAngularComponent(node) &&
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110 | node.callee.type === 'MemberExpression' &&
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111 | node.arguments[1].type === 'FunctionExpression' &&
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112 | angularObjectList.indexOf(node.callee.property.name) >= 0) {
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113 | fn = node.arguments[1];
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114 | return checkArgumentPositionInFunction(fn);
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115 | }
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116 | if (utils.isAngularComponent(node) &&
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117 | node.callee.type === 'MemberExpression' &&
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118 | node.arguments[1].type === 'Identifier' &&
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119 | angularObjectList.indexOf(node.callee.property.name) >= 0) {
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120 | var fName = node.arguments[1].name;
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121 | fn = getFunctionDeclaration(node, fName);
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122 | if (fn) {
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123 | return checkArgumentPositionInFunction(fn);
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124 | }
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125 | }
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126 | if (utils.isAngularComponent(node) &&
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127 | node.callee.type === 'MemberExpression' &&
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128 | node.arguments[1].type === 'ArrayExpression' &&
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129 | angularObjectList.indexOf(node.callee.property.name) >= 0) {
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130 | return checkArgumentPositionArrayExpression(node, node.arguments[1]);
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131 | }
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132 | }
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133 | };
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134 | }
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135 | };
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