1 | /**
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2 | * @license
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3 | * Copyright Google LLC All Rights Reserved.
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4 | *
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5 | * Use of this source code is governed by an MIT-style license that can be
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6 | * found in the LICENSE file at https://angular.io/license
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7 | */
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8 | (function (factory) {
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9 | if (typeof module === "object" && typeof module.exports === "object") {
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10 | var v = factory(require, exports);
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11 | if (v !== undefined) module.exports = v;
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12 | }
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13 | else if (typeof define === "function" && define.amd) {
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14 | define("@angular/core/schematics/migrations/undecorated-classes-with-di", ["require", "exports", "@angular-devkit/schematics", "@angular/compiler-cli/src/ngtsc/partial_evaluator", "@angular/compiler-cli/src/ngtsc/reflection", "path", "typescript", "@angular/core/schematics/utils/project_tsconfig_paths", "@angular/core/schematics/utils/typescript/compiler_host", "@angular/core/schematics/migrations/undecorated-classes-with-di/create_ngc_program", "@angular/core/schematics/migrations/undecorated-classes-with-di/ng_declaration_collector", "@angular/core/schematics/migrations/undecorated-classes-with-di/transform"], factory);
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15 | }
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16 | })(function (require, exports) {
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17 | "use strict";
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18 | Object.defineProperty(exports, "__esModule", { value: true });
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19 | const schematics_1 = require("@angular-devkit/schematics");
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20 | const partial_evaluator_1 = require("@angular/compiler-cli/src/ngtsc/partial_evaluator");
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21 | const reflection_1 = require("@angular/compiler-cli/src/ngtsc/reflection");
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22 | const path_1 = require("path");
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23 | const ts = require("typescript");
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24 | const project_tsconfig_paths_1 = require("@angular/core/schematics/utils/project_tsconfig_paths");
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25 | const compiler_host_1 = require("@angular/core/schematics/utils/typescript/compiler_host");
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26 | const create_ngc_program_1 = require("@angular/core/schematics/migrations/undecorated-classes-with-di/create_ngc_program");
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27 | const ng_declaration_collector_1 = require("@angular/core/schematics/migrations/undecorated-classes-with-di/ng_declaration_collector");
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28 | const transform_1 = require("@angular/core/schematics/migrations/undecorated-classes-with-di/transform");
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29 | const MIGRATION_RERUN_MESSAGE = 'Migration can be rerun with: "ng update @angular/core ' +
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30 | '--migrate-only migration-v9-undecorated-classes-with-di"';
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31 | const MIGRATION_AOT_FAILURE = 'This migration uses the Angular compiler internally and ' +
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32 | 'therefore projects that no longer build successfully after the update cannot run ' +
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33 | 'the migration. Please ensure there are no AOT compilation errors and rerun the migration.';
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34 | /** Entry point for the V9 "undecorated-classes-with-di" migration. */
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35 | function default_1() {
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36 | return (tree, ctx) => {
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37 | const { buildPaths } = project_tsconfig_paths_1.getProjectTsConfigPaths(tree);
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38 | const basePath = process.cwd();
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39 | const failures = [];
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40 | let programError = false;
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41 | if (!buildPaths.length) {
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42 | throw new schematics_1.SchematicsException('Could not find any tsconfig file. Cannot migrate undecorated derived classes and ' +
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43 | 'undecorated base classes which use DI.');
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44 | }
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45 | for (const tsconfigPath of buildPaths) {
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46 | const result = runUndecoratedClassesMigration(tree, tsconfigPath, basePath, ctx.logger);
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47 | failures.push(...result.failures);
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48 | programError = programError || !!result.programError;
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49 | }
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50 | if (programError) {
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51 | ctx.logger.info('Could not migrate all undecorated classes that use dependency');
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52 | ctx.logger.info('injection. Some project targets could not be analyzed due to');
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53 | ctx.logger.info('TypeScript program failures.\n');
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54 | ctx.logger.info(`${MIGRATION_RERUN_MESSAGE}\n`);
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55 | if (failures.length) {
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56 | ctx.logger.info('Please manually fix the following failures and re-run the');
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57 | ctx.logger.info('migration once the TypeScript program failures are resolved.');
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58 | failures.forEach(message => ctx.logger.warn(`⮑ ${message}`));
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59 | }
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60 | }
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61 | else if (failures.length) {
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62 | ctx.logger.info('Could not migrate all undecorated classes that use dependency');
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63 | ctx.logger.info('injection. Please manually fix the following failures:');
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64 | failures.forEach(message => ctx.logger.warn(`⮑ ${message}`));
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65 | }
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66 | };
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67 | }
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68 | exports.default = default_1;
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69 | function runUndecoratedClassesMigration(tree, tsconfigPath, basePath, logger) {
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70 | const failures = [];
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71 | const programData = gracefullyCreateProgram(tree, basePath, tsconfigPath, logger);
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72 | // Gracefully exit if the program could not be created.
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73 | if (programData === null) {
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74 | return { failures: [], programError: true };
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75 | }
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76 | const { program, compiler } = programData;
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77 | const typeChecker = program.getTypeChecker();
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78 | const partialEvaluator = new partial_evaluator_1.PartialEvaluator(new reflection_1.TypeScriptReflectionHost(typeChecker), typeChecker, /* dependencyTracker */ null);
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79 | const declarationCollector = new ng_declaration_collector_1.NgDeclarationCollector(typeChecker, partialEvaluator);
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80 | const sourceFiles = program.getSourceFiles().filter(sourceFile => compiler_host_1.canMigrateFile(basePath, sourceFile, program));
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81 | // Analyze source files by detecting all directives, components and providers.
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82 | sourceFiles.forEach(sourceFile => declarationCollector.visitNode(sourceFile));
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83 | const { decoratedDirectives, decoratedProviders, undecoratedDeclarations } = declarationCollector;
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84 | const transform = new transform_1.UndecoratedClassesTransform(typeChecker, compiler, partialEvaluator, getUpdateRecorder);
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85 | const updateRecorders = new Map();
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86 | // Run the migrations for decorated providers and both decorated and undecorated
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87 | // directives. The transform failures are collected and converted into human-readable
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88 | // failures which can be printed to the console.
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89 | [...transform.migrateDecoratedDirectives(decoratedDirectives),
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90 | ...transform.migrateDecoratedProviders(decoratedProviders),
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91 | ...transform.migrateUndecoratedDeclarations(Array.from(undecoratedDeclarations))]
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92 | .forEach(({ node, message }) => {
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93 | const nodeSourceFile = node.getSourceFile();
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94 | const relativeFilePath = path_1.relative(basePath, nodeSourceFile.fileName);
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95 | const { line, character } = ts.getLineAndCharacterOfPosition(node.getSourceFile(), node.getStart());
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96 | failures.push(`${relativeFilePath}@${line + 1}:${character + 1}: ${message}`);
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97 | });
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98 | // Record the changes collected in the import manager and transformer.
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99 | transform.recordChanges();
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100 | // Walk through each update recorder and commit the update. We need to commit the
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101 | // updates in batches per source file as there can be only one recorder per source
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102 | // file in order to avoid shifted character offsets.
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103 | updateRecorders.forEach(recorder => recorder.commitUpdate());
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104 | return { failures };
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105 | /** Gets the update recorder for the specified source file. */
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106 | function getUpdateRecorder(sourceFile) {
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107 | if (updateRecorders.has(sourceFile)) {
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108 | return updateRecorders.get(sourceFile);
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109 | }
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110 | const treeRecorder = tree.beginUpdate(path_1.relative(basePath, sourceFile.fileName));
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111 | const recorder = {
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112 | addClassComment(node, text) {
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113 | treeRecorder.insertLeft(node.members.pos, `\n // ${text}\n`);
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114 | },
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115 | addClassDecorator(node, text) {
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116 | // New imports should be inserted at the left while decorators should be inserted
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117 | // at the right in order to ensure that imports are inserted before the decorator
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118 | // if the start position of import and decorator is the source file start.
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119 | treeRecorder.insertRight(node.getStart(), `${text}\n`);
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120 | },
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121 | addNewImport(start, importText) {
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122 | // New imports should be inserted at the left while decorators should be inserted
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123 | // at the right in order to ensure that imports are inserted before the decorator
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124 | // if the start position of import and decorator is the source file start.
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125 | treeRecorder.insertLeft(start, importText);
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126 | },
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127 | updateExistingImport(namedBindings, newNamedBindings) {
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128 | treeRecorder.remove(namedBindings.getStart(), namedBindings.getWidth());
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129 | treeRecorder.insertRight(namedBindings.getStart(), newNamedBindings);
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130 | },
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131 | commitUpdate() {
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132 | tree.commitUpdate(treeRecorder);
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133 | }
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134 | };
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135 | updateRecorders.set(sourceFile, recorder);
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136 | return recorder;
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137 | }
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138 | }
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139 | function getErrorDiagnostics(diagnostics) {
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140 | return diagnostics.filter(d => d.category === ts.DiagnosticCategory.Error);
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141 | }
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142 | function gracefullyCreateProgram(tree, basePath, tsconfigPath, logger) {
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143 | try {
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144 | const { ngcProgram, host, program, compiler } = create_ngc_program_1.createNgcProgram((options) => compiler_host_1.createMigrationCompilerHost(tree, options, basePath), tsconfigPath);
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145 | const syntacticDiagnostics = getErrorDiagnostics(ngcProgram.getTsSyntacticDiagnostics());
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146 | const structuralDiagnostics = getErrorDiagnostics(ngcProgram.getNgStructuralDiagnostics());
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147 | const configDiagnostics = getErrorDiagnostics([...program.getOptionsDiagnostics(), ...ngcProgram.getNgOptionDiagnostics()]);
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148 | if (configDiagnostics.length) {
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149 | logger.warn(`\nTypeScript project "${tsconfigPath}" has configuration errors. This could cause ` +
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150 | `an incomplete migration. Please fix the following failures and rerun the migration:`);
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151 | logger.error(ts.formatDiagnostics(configDiagnostics, host));
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152 | return null;
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153 | }
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154 | // Syntactic TypeScript errors can throw off the query analysis and therefore we want
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155 | // to notify the developer that we couldn't analyze parts of the project. Developers
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156 | // can just re-run the migration after fixing these failures.
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157 | if (syntacticDiagnostics.length) {
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158 | logger.warn(`\nTypeScript project "${tsconfigPath}" has syntactical errors which could cause ` +
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159 | `an incomplete migration. Please fix the following failures and rerun the migration:`);
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160 | logger.error(ts.formatDiagnostics(syntacticDiagnostics, host));
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161 | return null;
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162 | }
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163 | if (structuralDiagnostics.length) {
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164 | throw new Error(ts.formatDiagnostics(structuralDiagnostics, host));
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165 | }
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166 | return { program, compiler };
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167 | }
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168 | catch (e) {
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169 | logger.warn(`\n${MIGRATION_AOT_FAILURE} The following project failed: ${tsconfigPath}\n`);
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170 | logger.error(`${e.toString()}\n`);
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171 | return null;
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172 | }
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173 | }
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174 | });
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {logging} from '@angular-devkit/core';\nimport {Rule, SchematicContext, SchematicsException, Tree} from '@angular-devkit/schematics';\nimport {AotCompiler} from '@angular/compiler';\nimport {Diagnostic as NgDiagnostic} from '@angular/compiler-cli';\nimport {PartialEvaluator} from '@angular/compiler-cli/src/ngtsc/partial_evaluator';\nimport {TypeScriptReflectionHost} from '@angular/compiler-cli/src/ngtsc/reflection';\nimport {relative} from 'path';\nimport * as ts from 'typescript';\n\nimport {getProjectTsConfigPaths} from '../../utils/project_tsconfig_paths';\nimport {canMigrateFile, createMigrationCompilerHost} from '../../utils/typescript/compiler_host';\n\nimport {createNgcProgram} from './create_ngc_program';\nimport {NgDeclarationCollector} from './ng_declaration_collector';\nimport {UndecoratedClassesTransform} from './transform';\nimport {UpdateRecorder} from './update_recorder';\n\nconst MIGRATION_RERUN_MESSAGE = 'Migration can be rerun with: \"ng update @angular/core ' +\n    '--migrate-only migration-v9-undecorated-classes-with-di\"';\n\nconst MIGRATION_AOT_FAILURE = 'This migration uses the Angular compiler internally and ' +\n    'therefore projects that no longer build successfully after the update cannot run ' +\n    'the migration. Please ensure there are no AOT compilation errors and rerun the migration.';\n\n/** Entry point for the V9 \"undecorated-classes-with-di\" migration. */\nexport default function(): Rule {\n  return (tree: Tree, ctx: SchematicContext) => {\n    const {buildPaths} = getProjectTsConfigPaths(tree);\n    const basePath = process.cwd();\n    const failures: string[] = [];\n    let programError = false;\n\n    if (!buildPaths.length) {\n      throw new SchematicsException(\n          'Could not find any tsconfig file. Cannot migrate undecorated derived classes and ' +\n          'undecorated base classes which use DI.');\n    }\n\n    for (const tsconfigPath of buildPaths) {\n      const result = runUndecoratedClassesMigration(tree, tsconfigPath, basePath, ctx.logger);\n      failures.push(...result.failures);\n      programError = programError || !!result.programError;\n    }\n\n    if (programError) {\n      ctx.logger.info('Could not migrate all undecorated classes that use dependency');\n      ctx.logger.info('injection. Some project targets could not be analyzed due to');\n      ctx.logger.info('TypeScript program failures.\\n');\n      ctx.logger.info(`${MIGRATION_RERUN_MESSAGE}\\n`);\n\n      if (failures.length) {\n        ctx.logger.info('Please manually fix the following failures and re-run the');\n        ctx.logger.info('migration once the TypeScript program failures are resolved.');\n        failures.forEach(message => ctx.logger.warn(`⮑   ${message}`));\n      }\n    } else if (failures.length) {\n      ctx.logger.info('Could not migrate all undecorated classes that use dependency');\n      ctx.logger.info('injection. Please manually fix the following failures:');\n      failures.forEach(message => ctx.logger.warn(`⮑   ${message}`));\n    }\n  };\n}\n\nfunction runUndecoratedClassesMigration(\n    tree: Tree, tsconfigPath: string, basePath: string,\n    logger: logging.LoggerApi): {failures: string[], programError?: boolean} {\n  const failures: string[] = [];\n  const programData = gracefullyCreateProgram(tree, basePath, tsconfigPath, logger);\n\n  // Gracefully exit if the program could not be created.\n  if (programData === null) {\n    return {failures: [], programError: true};\n  }\n\n  const {program, compiler} = programData;\n  const typeChecker = program.getTypeChecker();\n  const partialEvaluator = new PartialEvaluator(\n      new TypeScriptReflectionHost(typeChecker), typeChecker, /* dependencyTracker */ null);\n  const declarationCollector = new NgDeclarationCollector(typeChecker, partialEvaluator);\n  const sourceFiles =\n      program.getSourceFiles().filter(sourceFile => canMigrateFile(basePath, sourceFile, program));\n\n  // Analyze source files by detecting all directives, components and providers.\n  sourceFiles.forEach(sourceFile => declarationCollector.visitNode(sourceFile));\n\n  const {decoratedDirectives, decoratedProviders, undecoratedDeclarations} = declarationCollector;\n  const transform =\n      new UndecoratedClassesTransform(typeChecker, compiler, partialEvaluator, getUpdateRecorder);\n  const updateRecorders = new Map<ts.SourceFile, UpdateRecorder>();\n\n  // Run the migrations for decorated providers and both decorated and undecorated\n  // directives. The transform failures are collected and converted into human-readable\n  // failures which can be printed to the console.\n  [...transform.migrateDecoratedDirectives(decoratedDirectives),\n   ...transform.migrateDecoratedProviders(decoratedProviders),\n   ...transform.migrateUndecoratedDeclarations(Array.from(undecoratedDeclarations))]\n      .forEach(({node, message}) => {\n        const nodeSourceFile = node.getSourceFile();\n        const relativeFilePath = relative(basePath, nodeSourceFile.fileName);\n        const {line, character} =\n            ts.getLineAndCharacterOfPosition(node.getSourceFile(), node.getStart());\n        failures.push(`${relativeFilePath}@${line + 1}:${character + 1}: ${message}`);\n      });\n\n  // Record the changes collected in the import manager and transformer.\n  transform.recordChanges();\n\n  // Walk through each update recorder and commit the update. We need to commit the\n  // updates in batches per source file as there can be only one recorder per source\n  // file in order to avoid shifted character offsets.\n  updateRecorders.forEach(recorder => recorder.commitUpdate());\n\n  return {failures};\n\n  /** Gets the update recorder for the specified source file. */\n  function getUpdateRecorder(sourceFile: ts.SourceFile): UpdateRecorder {\n    if (updateRecorders.has(sourceFile)) {\n      return updateRecorders.get(sourceFile)!;\n    }\n    const treeRecorder = tree.beginUpdate(relative(basePath, sourceFile.fileName));\n    const recorder: UpdateRecorder = {\n      addClassComment(node: ts.ClassDeclaration, text: string) {\n        treeRecorder.insertLeft(node.members.pos, `\\n  // ${text}\\n`);\n      },\n      addClassDecorator(node: ts.ClassDeclaration, text: string) {\n        // New imports should be inserted at the left while decorators should be inserted\n        // at the right in order to ensure that imports are inserted before the decorator\n        // if the start position of import and decorator is the source file start.\n        treeRecorder.insertRight(node.getStart(), `${text}\\n`);\n      },\n      addNewImport(start: number, importText: string) {\n        // New imports should be inserted at the left while decorators should be inserted\n        // at the right in order to ensure that imports are inserted before the decorator\n        // if the start position of import and decorator is the source file start.\n        treeRecorder.insertLeft(start, importText);\n      },\n      updateExistingImport(namedBindings: ts.NamedImports, newNamedBindings: string) {\n        treeRecorder.remove(namedBindings.getStart(), namedBindings.getWidth());\n        treeRecorder.insertRight(namedBindings.getStart(), newNamedBindings);\n      },\n      commitUpdate() {\n        tree.commitUpdate(treeRecorder);\n      }\n    };\n    updateRecorders.set(sourceFile, recorder);\n    return recorder;\n  }\n}\n\nfunction getErrorDiagnostics(diagnostics: ReadonlyArray<ts.Diagnostic|NgDiagnostic>) {\n  return <ts.Diagnostic[]>diagnostics.filter(d => d.category === ts.DiagnosticCategory.Error);\n}\n\nfunction gracefullyCreateProgram(\n    tree: Tree, basePath: string, tsconfigPath: string,\n    logger: logging.LoggerApi): {compiler: AotCompiler, program: ts.Program}|null {\n  try {\n    const {ngcProgram, host, program, compiler} = createNgcProgram(\n        (options) => createMigrationCompilerHost(tree, options, basePath), tsconfigPath);\n    const syntacticDiagnostics = getErrorDiagnostics(ngcProgram.getTsSyntacticDiagnostics());\n    const structuralDiagnostics = getErrorDiagnostics(ngcProgram.getNgStructuralDiagnostics());\n    const configDiagnostics = getErrorDiagnostics(\n        [...program.getOptionsDiagnostics(), ...ngcProgram.getNgOptionDiagnostics()]);\n\n    if (configDiagnostics.length) {\n      logger.warn(\n          `\\nTypeScript project \"${tsconfigPath}\" has configuration errors. This could cause ` +\n          `an incomplete migration. Please fix the following failures and rerun the migration:`);\n      logger.error(ts.formatDiagnostics(configDiagnostics, host));\n      return null;\n    }\n\n    // Syntactic TypeScript errors can throw off the query analysis and therefore we want\n    // to notify the developer that we couldn't analyze parts of the project. Developers\n    // can just re-run the migration after fixing these failures.\n    if (syntacticDiagnostics.length) {\n      logger.warn(\n          `\\nTypeScript project \"${tsconfigPath}\" has syntactical errors which could cause ` +\n          `an incomplete migration. Please fix the following failures and rerun the migration:`);\n      logger.error(ts.formatDiagnostics(syntacticDiagnostics, host));\n      return null;\n    }\n\n    if (structuralDiagnostics.length) {\n      throw new Error(ts.formatDiagnostics(<ts.Diagnostic[]>structuralDiagnostics, host));\n    }\n\n    return {program, compiler};\n  } catch (e) {\n    logger.warn(`\\n${MIGRATION_AOT_FAILURE} The following project failed: ${tsconfigPath}\\n`);\n    logger.error(`${e.toString()}\\n`);\n    return null;\n  }\n}\n"]} |
---|