42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
import Rule from './Rule.js'
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import { extensionFilter, getContent, getTitle } from '../helpers.js'
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export default class TitleUnique extends Rule {
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initialize() {
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this.filenames = extensionFilter(this.filenames, 'html');
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}
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report() {
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return {
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...super.report(),
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...{
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issueTitle: `The <title> should be unique for every page, ${this.issueCount} pages are concerned.`,
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issueDescription: `You should change title on:`,
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issueReferences: ['https://moz.com/learn/seo/title-tag']
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}
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}
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}
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check() {
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let titles = {}
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for (const filename of this.filenames) {
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const content = getContent(filename);
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const title = getTitle(content)
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titles[title] = titles[title] ? [...titles[title], ...[filename]] : [filename]
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}
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for (const title in titles) {
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if (titles[title].length > 1) {
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this.issueCount += titles[title].length
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const issue = {
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title: title,
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url: titles[title]
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}
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this.issues = [...this.issues, ...[issue]]
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}
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}
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return this.report()
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}
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}
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