53 lines
1.8 KiB
TypeScript
53 lines
1.8 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {RuleFailure} from 'tslint/lib';
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import {RuleWalker} from 'tslint/lib/language/walker';
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import {AbstractRule} from 'tslint/lib/rules';
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import * as ts from 'typescript';
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export class Rule extends AbstractRule {
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public apply(sourceFile: ts.SourceFile): RuleFailure[] {
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const typedefWalker = new TypedefWalker(sourceFile, this.getOptions());
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return this.applyWithWalker(typedefWalker);
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}
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}
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class TypedefWalker extends RuleWalker {
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protected visitPropertyDeclaration(node: ts.PropertyDeclaration): void {
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this.assertInternalAnnotationPresent(node);
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super.visitPropertyDeclaration(node);
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}
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public visitMethodDeclaration(node: ts.MethodDeclaration): void {
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this.assertInternalAnnotationPresent(node);
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super.visitMethodDeclaration(node);
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}
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private hasInternalAnnotation(range: ts.CommentRange): boolean {
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const text = this.getSourceFile().text;
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const comment = text.substring(range.pos, range.end);
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return comment.indexOf('@internal') >= 0;
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}
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private assertInternalAnnotationPresent(node: ts.Declaration) {
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if (node.name.getText().charAt(0) !== '_') return;
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if (node.modifiers && node.modifiers.flags & ts.NodeFlags.Private) return;
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const ranges = ts.getLeadingCommentRanges(this.getSourceFile().text, node.pos);
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if (ranges) {
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for (let i = 0; i < ranges.length; i++) {
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if (this.hasInternalAnnotation(ranges[i])) return;
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}
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}
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this.addFailure(this.createFailure(
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node.getStart(), node.getWidth(),
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`module-private member ${node.name.getText()} must be annotated @internal`));
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}
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}
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