angular-cn/packages/core/schematics/migrations/google3/noMissingInjectableRule.ts

69 lines
2.6 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {RuleFailure, Rules} from 'tslint';
import * as ts from 'typescript';
import {NgDefinitionCollector} from '../missing-injectable/definition_collector';
import {TslintUpdateRecorder} from '../missing-injectable/google3/tslint_update_recorder';
import {MissingInjectableTransform} from '../missing-injectable/transform';
/**
* TSLint rule that flags classes which are declared as providers in "NgModule",
* "Directive" or "Component" definitions while not being decorated with any
* Angular decorator (e.g. "@Injectable").
*/
export class Rule extends Rules.TypedRule {
applyWithProgram(sourceFile: ts.SourceFile, program: ts.Program): RuleFailure[] {
const ruleName = this.ruleName;
const typeChecker = program.getTypeChecker();
const sourceFiles = program.getSourceFiles().filter(
s => !s.isDeclarationFile && !program.isSourceFileFromExternalLibrary(s));
const definitionCollector = new NgDefinitionCollector(typeChecker);
const failures: RuleFailure[] = [];
// Analyze source files by detecting all "NgModule", "Directive" or
// "Component" definitions.
sourceFiles.forEach(sourceFile => definitionCollector.visitNode(sourceFile));
const {resolvedModules, resolvedDirectives} = definitionCollector;
const transformer = new MissingInjectableTransform(typeChecker, getUpdateRecorder);
const updateRecorders = new Map<ts.SourceFile, TslintUpdateRecorder>();
[...transformer.migrateModules(resolvedModules),
...transformer.migrateDirectives(resolvedDirectives),
].forEach(({message, node}) => {
// Only report failures for the current source file that is visited.
if (node.getSourceFile() === sourceFile) {
failures.push(new RuleFailure(node.getSourceFile(), node.getStart(), 0, message, ruleName));
}
});
// Record the changes collected in the import manager and NgModule manager.
transformer.recordChanges();
if (updateRecorders.has(sourceFile)) {
failures.push(...updateRecorders.get(sourceFile) !.failures);
}
return failures;
/** Gets the update recorder for the specified source file. */
function getUpdateRecorder(sourceFile: ts.SourceFile): TslintUpdateRecorder {
if (updateRecorders.has(sourceFile)) {
return updateRecorders.get(sourceFile) !;
}
const recorder = new TslintUpdateRecorder(ruleName, sourceFile);
updateRecorders.set(sourceFile, recorder);
return recorder;
}
}
}