41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
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/**
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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 {RuleWalker} from 'tslint/lib/language/walker';
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import {RuleFailure} from 'tslint/lib/lint';
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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 static FAILURE_STRING = 'missing copyright header';
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public apply(sourceFile: ts.SourceFile): RuleFailure[] {
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const walker = new EnforceCopyrightHeaderWalker(sourceFile, this.getOptions());
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return this.applyWithWalker(walker);
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}
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}
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class EnforceCopyrightHeaderWalker extends RuleWalker {
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private regex: RegExp = /\/\*[\s\S]*?Copyright Google Inc\.[\s\S]*?\*\//;
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public visitSourceFile(node: ts.SourceFile) {
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// check for a shebang
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let text = node.getFullText();
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let offset = 0;
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if (text.indexOf('#!') === 0) {
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offset = text.indexOf('\n') + 1;
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text = text.substring(offset);
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}
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// look for the copyright header
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let match = text.match(this.regex);
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if (!match || match.index !== 0) {
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this.addFailure(this.createFailure(offset, offset + 1, Rule.FAILURE_STRING));
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}
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}
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}
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