1 | "use strict";
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2 | var __extends = (this && this.__extends) || (function () {
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3 | var extendStatics = function (d, b) {
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4 | extendStatics = Object.setPrototypeOf ||
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5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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7 | return extendStatics(d, b);
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8 | }
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9 | return function (d, b) {
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10 | extendStatics(d, b);
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11 | function __() { this.constructor = d; }
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12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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13 | };
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14 | })();
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15 | Object.defineProperty(exports, "__esModule", { value: true });
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16 | var ts = require("typescript");
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17 | var Lint = require("tslint");
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18 | var tsutils = require("tsutils");
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19 | var Utils_1 = require("./utils/Utils");
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20 | var TypeGuard_1 = require("./utils/TypeGuard");
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21 | var Rule = (function (_super) {
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22 | __extends(Rule, _super);
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23 | function Rule() {
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24 | return _super !== null && _super.apply(this, arguments) || this;
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25 | }
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26 | Rule.prototype.apply = function (sourceFile) {
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27 | return this.applyWithFunction(sourceFile, walk, this.parseOptions(this.getOptions()));
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28 | };
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29 | Rule.prototype.parseOptions = function (options) {
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30 | var _this = this;
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31 | var result = {
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32 | replacements: {},
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33 | ignoredList: [],
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34 | config: {
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35 | ignoreExternalModule: true
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36 | }
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37 | };
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38 | if (options.ruleArguments instanceof Array) {
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39 | options.ruleArguments.forEach(function (opt, index) {
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40 | if (index === 1 && TypeGuard_1.isObject(opt)) {
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41 | result.replacements = _this.extractReplacements(opt);
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42 | }
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43 | if (index === 2 && Array.isArray(opt)) {
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44 | result.ignoredList = _this.extractIgnoredList(opt);
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45 | }
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46 | if (index === 3 && TypeGuard_1.isObject(opt)) {
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47 | result.config = _this.extractConfig(opt);
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48 | }
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49 | });
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50 | }
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51 | return result;
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52 | };
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53 | Rule.prototype.extractReplacements = function (opt) {
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54 | var result = {};
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55 | if (TypeGuard_1.isObject(opt)) {
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56 | Object.keys(opt).forEach(function (key) {
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57 | var value = opt[key];
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58 | if (typeof value === 'string') {
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59 | result[key] = value;
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60 | }
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61 | });
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62 | }
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63 | return result;
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64 | };
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65 | Rule.prototype.extractIgnoredList = function (opt) {
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66 | return opt.filter(function (moduleName) { return typeof moduleName === 'string'; });
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67 | };
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68 | Rule.prototype.extractConfig = function (opt) {
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69 | var result = { ignoreExternalModule: true };
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70 | var configKeyLlist = ['ignoreExternalModule'];
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71 | if (TypeGuard_1.isObject(opt)) {
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72 | return Object.keys(opt).reduce(function (accum, key) {
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73 | if (configKeyLlist.filter(function (configKey) { return configKey === key; }).length >= 1) {
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74 | accum[key] = opt[key];
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75 | return accum;
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76 | }
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77 | return accum;
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78 | }, { ignoreExternalModule: true });
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79 | }
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80 | return result;
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81 | };
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82 | Rule.metadata = {
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83 | ruleName: 'import-name',
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84 | type: 'maintainability',
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85 | description: 'The name of the imported module must match the name of the thing being imported',
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86 | hasFix: true,
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87 | options: null,
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88 | optionsDescription: '',
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89 | optionExamples: [
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90 | [true],
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91 | [true, { moduleName: 'importedName' }],
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92 | [true, { moduleName: 'importedName' }, ['moduleName1', 'moduleName2']],
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93 | [true, { moduleName: 'importedName' }, ['moduleName1', 'moduleName2'], { ignoreExternalModule: false }]
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94 | ],
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95 | typescriptOnly: true,
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96 | issueClass: 'Ignored',
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97 | issueType: 'Warning',
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98 | severity: 'Low',
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99 | level: 'Opportunity for Excellence',
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100 | group: 'Clarity',
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101 | commonWeaknessEnumeration: '710'
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102 | };
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103 | return Rule;
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104 | }(Lint.Rules.AbstractRule));
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105 | exports.Rule = Rule;
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106 | function walk(ctx) {
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107 | var option = ctx.options;
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108 | function getNameNodeFromImportNode(node) {
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109 | if (tsutils.isImportEqualsDeclaration(node)) {
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110 | return node.name;
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111 | }
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112 | var importClause = node.importClause;
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113 | return importClause === undefined ? undefined : importClause.name;
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114 | }
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115 | function checkIgnoreExternalModule(moduleName, node, opt) {
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116 | var runtimeNode = node;
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117 | if (opt.ignoreExternalModule === true && runtimeNode.parent !== undefined && runtimeNode.parent.resolvedModules !== undefined) {
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118 | var ignoreThisExternalModule_1 = false;
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119 | runtimeNode.parent.resolvedModules.forEach(function (value, key) {
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120 | if (key === moduleName && value.isExternalLibraryImport === true) {
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121 | ignoreThisExternalModule_1 = true;
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122 | }
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123 | });
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124 | return ignoreThisExternalModule_1;
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125 | }
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126 | return false;
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127 | }
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128 | function checkIgnoredListExists(moduleName, ignoredList) {
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129 | return ignoredList.filter(function (ignoredModule) { return ignoredModule === moduleName; }).length >= 1;
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130 | }
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131 | function checkReplacementsExist(importedName, expectedImportedName, moduleName, replacements) {
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132 | var allowedReplacementKeys = [expectedImportedName, moduleName, moduleName.replace(/.*\//, '')];
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133 | return Utils_1.Utils.exists(Object.keys(replacements), function (replacementKey) {
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134 | for (var index = 0; allowedReplacementKeys.length > index; index = index + 1) {
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135 | if (replacementKey === allowedReplacementKeys[index]) {
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136 | return importedName === replacements[replacementKey];
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137 | }
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138 | }
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139 | return false;
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140 | });
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141 | }
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142 | function isImportNameValid(importedName, expectedImportedName, moduleName, node) {
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143 | if (expectedImportedName === importedName) {
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144 | return true;
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145 | }
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146 | var isReplacementsExist = checkReplacementsExist(importedName, expectedImportedName, moduleName, option.replacements);
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147 | if (isReplacementsExist) {
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148 | return true;
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149 | }
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150 | var isIgnoredModuleExist = checkIgnoredListExists(moduleName, option.ignoredList);
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151 | if (isIgnoredModuleExist) {
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152 | return true;
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153 | }
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154 | var ignoreThisExternalModule = checkIgnoreExternalModule(moduleName, node, option.config);
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155 | if (ignoreThisExternalModule) {
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156 | return true;
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157 | }
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158 | return false;
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159 | }
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160 | function makeCamelCase(input) {
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161 | return input.replace(/[-|\.|_](.)/g, function (_match, group1) {
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162 | return group1.toUpperCase();
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163 | });
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164 | }
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165 | function validateImport(node, importedName, moduleName) {
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166 | var expectedImportedName = moduleName.replace(/.*\//, '');
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167 | if (expectedImportedName === '' || expectedImportedName === '.' || expectedImportedName === '..') {
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168 | return;
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169 | }
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170 | expectedImportedName = makeCamelCase(expectedImportedName);
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171 | if (isImportNameValid(importedName, expectedImportedName, moduleName, node)) {
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172 | return;
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173 | }
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174 | var message = "Misnamed import. Import should be named '" + expectedImportedName + "' but found '" + importedName + "'";
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175 | var nameNode = getNameNodeFromImportNode(node);
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176 | if (nameNode === undefined) {
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177 | return;
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178 | }
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179 | var nameNodeStartPos = nameNode.getStart();
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180 | var fix = new Lint.Replacement(nameNodeStartPos, nameNode.end - nameNodeStartPos, expectedImportedName);
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181 | ctx.addFailureAt(node.getStart(), node.getWidth(), message, fix);
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182 | }
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183 | function cb(node) {
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184 | if (tsutils.isImportEqualsDeclaration(node)) {
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185 | var name_1 = node.name.text;
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186 | if (tsutils.isExternalModuleReference(node.moduleReference)) {
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187 | var moduleRef = node.moduleReference;
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188 | if (tsutils.isStringLiteral(moduleRef.expression)) {
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189 | var moduleName = moduleRef.expression.text;
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190 | validateImport(node, name_1, moduleName);
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191 | }
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192 | }
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193 | else if (tsutils.isQualifiedName(node.moduleReference)) {
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194 | var moduleName = node.moduleReference.getText();
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195 | moduleName = moduleName.replace(/.*\./, '');
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196 | validateImport(node, name_1, moduleName);
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197 | }
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198 | }
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199 | if (tsutils.isImportDeclaration(node)) {
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200 | if (node.importClause !== undefined && node.importClause.name !== undefined) {
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201 | var name_2 = node.importClause.name.text;
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202 | if (tsutils.isStringLiteral(node.moduleSpecifier)) {
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203 | var moduleName = node.moduleSpecifier.text;
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204 | validateImport(node, name_2, moduleName);
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205 | }
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206 | }
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207 | }
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208 | return ts.forEachChild(node, cb);
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209 | }
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210 | return ts.forEachChild(ctx.sourceFile, cb);
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211 | }
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212 |
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