1 | "use strict";
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2 | var ts = require('typescript');
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3 | var fs = require('fs');
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4 | var symbols_1 = require('@angular/tsc-wrapped/src/symbols');
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5 | var tsc_wrapped_1 = require('@angular/tsc-wrapped');
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6 | var change_1 = require('./change');
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7 | var node_1 = require('./node');
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8 | var route_utils_1 = require('./route-utils');
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9 | var ReplaySubject_1 = require('rxjs/ReplaySubject');
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10 | require('rxjs/add/observable/empty');
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11 | require('rxjs/add/observable/of');
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12 | require('rxjs/add/operator/do');
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13 | require('rxjs/add/operator/filter');
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14 | require('rxjs/add/operator/last');
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15 | require('rxjs/add/operator/map');
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16 | require('rxjs/add/operator/mergeMap');
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17 | require('rxjs/add/operator/toArray');
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18 | require('rxjs/add/operator/toPromise');
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19 |
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20 |
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21 |
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22 |
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23 |
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24 | function getSource(filePath) {
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25 | return ts.createSourceFile(filePath, fs.readFileSync(filePath).toString(), ts.ScriptTarget.Latest, true);
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26 | }
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27 | exports.getSource = getSource;
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28 |
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29 |
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30 |
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31 |
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32 |
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33 | function getSourceNodes(sourceFile) {
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34 | var subject = new ReplaySubject_1.ReplaySubject();
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35 | var nodes = [sourceFile];
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36 | while (nodes.length > 0) {
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37 | var node = nodes.shift();
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38 | if (node) {
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39 | subject.next(node);
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40 | if (node.getChildCount(sourceFile) >= 0) {
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41 | nodes.unshift.apply(nodes, node.getChildren());
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42 | }
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43 | }
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44 | }
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45 | subject.complete();
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46 | return subject.asObservable();
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47 | }
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48 | exports.getSourceNodes = getSourceNodes;
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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 | function nodesByPosition(first, second) {
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54 | return first.pos - second.pos;
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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 |
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60 |
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61 |
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62 |
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63 |
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64 |
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65 |
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66 |
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67 |
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68 |
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69 | function insertAfterLastOccurrence(nodes, toInsert, file, fallbackPos, syntaxKind) {
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70 | var lastItem = nodes.sort(nodesByPosition).pop();
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71 | if (syntaxKind) {
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72 | lastItem = node_1.findNodes(lastItem, syntaxKind).sort(nodesByPosition).pop();
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73 | }
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74 | if (!lastItem && fallbackPos == undefined) {
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75 | throw new Error("tried to insert " + toInsert + " as first occurence with no fallback position");
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76 | }
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77 | var lastItemPosition = lastItem ? lastItem.end : fallbackPos;
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78 | return new change_1.InsertChange(file, lastItemPosition, toInsert);
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79 | }
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80 | exports.insertAfterLastOccurrence = insertAfterLastOccurrence;
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81 | function getContentOfKeyLiteral(source, node) {
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82 | if (node.kind == ts.SyntaxKind.Identifier) {
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83 | return node.text;
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84 | }
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85 | else if (node.kind == ts.SyntaxKind.StringLiteral) {
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86 | return node.text;
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87 | }
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88 | else {
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89 | return null;
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90 | }
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91 | }
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92 | exports.getContentOfKeyLiteral = getContentOfKeyLiteral;
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93 | function getDecoratorMetadata(source, identifier, module) {
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94 | var symbols = new symbols_1.Symbols(source);
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95 | return getSourceNodes(source)
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96 | .filter(function (node) {
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97 | return node.kind == ts.SyntaxKind.Decorator
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98 | && node.expression.kind == ts.SyntaxKind.CallExpression;
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99 | })
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100 | .map(function (node) { return node.expression; })
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101 | .filter(function (expr) {
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102 | if (expr.expression.kind == ts.SyntaxKind.Identifier) {
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103 | var id = expr.expression;
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104 | var metaData = symbols.resolve(id.getFullText(source));
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105 | if (tsc_wrapped_1.isMetadataImportedSymbolReferenceExpression(metaData)) {
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106 | return metaData.name == identifier && metaData.module == module;
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107 | }
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108 | }
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109 | else if (expr.expression.kind == ts.SyntaxKind.PropertyAccessExpression) {
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110 |
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111 | var paExpr = expr.expression;
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112 |
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113 | if (paExpr.expression.kind !== ts.SyntaxKind.Identifier) {
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114 | return false;
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115 | }
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116 | var id = paExpr.name;
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117 | var moduleId = paExpr.expression;
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118 | var moduleMetaData = symbols.resolve(moduleId.getFullText(source));
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119 | if (tsc_wrapped_1.isMetadataModuleReferenceExpression(moduleMetaData)) {
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120 | return moduleMetaData.module == module && id.getFullText(source) == identifier;
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121 | }
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122 | }
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123 | return false;
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124 | })
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125 | .filter(function (expr) { return expr.arguments[0]
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126 | && expr.arguments[0].kind == ts.SyntaxKind.ObjectLiteralExpression; })
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127 | .map(function (expr) { return expr.arguments[0]; });
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128 | }
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129 | exports.getDecoratorMetadata = getDecoratorMetadata;
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130 | function _addSymbolToNgModuleMetadata(ngModulePath, metadataField, symbolName, importPath) {
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131 | var source = getSource(ngModulePath);
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132 | var metadata = getDecoratorMetadata(source, 'NgModule', '@angular/core');
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133 |
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134 | return metadata
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135 | .toPromise()
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136 | .then(function (node) {
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137 | if (!node) {
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138 | return null;
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139 | }
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140 |
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141 | return node.properties
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142 | .filter(function (prop) { return prop.kind == ts.SyntaxKind.PropertyAssignment; })
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143 | .filter(function (prop) {
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144 | var name = prop.name;
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145 | switch (name.kind) {
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146 | case ts.SyntaxKind.Identifier:
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147 | return name.getText(source) == metadataField;
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148 | case ts.SyntaxKind.StringLiteral:
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149 | return name.text == metadataField;
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150 | }
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151 | return false;
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152 | });
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153 | })
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154 | .then(function (matchingProperties) {
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155 | if (!matchingProperties) {
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156 | return null;
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157 | }
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158 | if (matchingProperties.length == 0) {
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159 | return metadata.toPromise();
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160 | }
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161 | var assignment = matchingProperties[0];
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162 |
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163 | if (assignment.initializer.kind !== ts.SyntaxKind.ArrayLiteralExpression) {
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164 | return null;
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165 | }
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166 | var arrLiteral = assignment.initializer;
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167 | if (arrLiteral.elements.length == 0) {
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168 |
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169 | return arrLiteral;
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170 | }
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171 | return arrLiteral.elements;
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172 | })
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173 | .then(function (node) {
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174 | if (!node) {
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175 |
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176 | console.log('No app module found. Please add your new class to your component.');
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177 | return new change_1.NoopChange();
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178 | }
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179 | if (Array.isArray(node)) {
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180 | node = node[node.length - 1];
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181 | }
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182 | var toInsert;
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183 | var position = node.getEnd();
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184 | if (node.kind == ts.SyntaxKind.ObjectLiteralExpression) {
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185 |
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186 |
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187 | var expr = node;
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188 | if (expr.properties.length == 0) {
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189 | position = expr.getEnd() - 1;
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190 | toInsert = " " + metadataField + ": [" + symbolName + "]\n";
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191 | }
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192 | else {
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193 | node = expr.properties[expr.properties.length - 1];
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194 | position = node.getEnd();
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195 |
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196 | var text = node.getFullText(source);
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197 | if (text.match('^\r?\r?\n')) {
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198 | toInsert = "," + text.match(/^\r?\n\s+/)[0] + metadataField + ": [" + symbolName + "]";
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199 | }
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200 | else {
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201 | toInsert = ", " + metadataField + ": [" + symbolName + "]";
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202 | }
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203 | }
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204 | }
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205 | else if (node.kind == ts.SyntaxKind.ArrayLiteralExpression) {
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206 |
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207 | position--;
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208 | toInsert = "" + symbolName;
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209 | }
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210 | else {
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211 |
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212 | var text = node.getFullText(source);
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213 | if (text.match(/^\r?\n/)) {
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214 | toInsert = "," + text.match(/^\r?\n(\r?)\s+/)[0] + symbolName;
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215 | }
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216 | else {
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217 | toInsert = ", " + symbolName;
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218 | }
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219 | }
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220 | var insert = new change_1.InsertChange(ngModulePath, position, toInsert);
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221 | var importInsert = route_utils_1.insertImport(ngModulePath, symbolName.replace(/\..*$/, ''), importPath);
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222 | return new change_1.MultiChange([insert, importInsert]);
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223 | });
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224 | }
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225 |
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226 |
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227 |
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228 |
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229 | function addDeclarationToModule(modulePath, classifiedName, importPath) {
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230 | return _addSymbolToNgModuleMetadata(modulePath, 'declarations', classifiedName, importPath);
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231 | }
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232 | exports.addDeclarationToModule = addDeclarationToModule;
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233 |
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234 |
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235 |
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236 |
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237 | function addImportToModule(modulePath, classifiedName, importPath) {
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238 | return _addSymbolToNgModuleMetadata(modulePath, 'imports', classifiedName, importPath);
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239 | }
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240 | exports.addImportToModule = addImportToModule;
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241 |
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242 |
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243 |
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244 | function addProviderToModule(modulePath, classifiedName, importPath) {
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245 | return _addSymbolToNgModuleMetadata(modulePath, 'providers', classifiedName, importPath);
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246 | }
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247 | exports.addProviderToModule = addProviderToModule;
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248 |
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249 |
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250 |
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251 | function addExportToModule(modulePath, classifiedName, importPath) {
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252 | return _addSymbolToNgModuleMetadata(modulePath, 'exports', classifiedName, importPath);
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253 | }
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254 | exports.addExportToModule = addExportToModule;
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255 |
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