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Consolidated most meta tags to the SEO component Includes squashed pt-pt3 commits from other PR
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| import React, { Component } from 'react' | ||
| import Helmet from 'react-helmet' | ||
| import config from '../utils/siteConfig' | ||
|
|
||
| class SEO extends Component { | ||
| render() { | ||
| const { postNode, pagePath, postSEO, pageSEO } = this.props | ||
| let title | ||
| let description | ||
| let image | ||
| let imgWidth | ||
| let imgHeight | ||
| let pageUrl | ||
|
|
||
| // Set Default OpenGraph Parameters for Fallback | ||
| title = config.siteTitle | ||
| description = config.siteDescription | ||
| image = config.siteUrl + config.siteLogo | ||
| imgWidth = 512 | ||
| imgHeight = 512 | ||
| pageUrl = config.siteUrl | ||
|
|
||
| // Replace with Page Parameters if post or page | ||
| if (postSEO || pageSEO) { | ||
| title = postNode.title | ||
| description = | ||
| postNode.metaDescription === null | ||
| ? postNode.body.childMarkdownRemark.excerpt | ||
| : postNode.metaDescription | ||
|
|
||
| pageUrl = config.siteUrl + '/' + pagePath + '/' | ||
| } | ||
| // Use Hero Image for OpenGraph | ||
| if (postSEO) { | ||
| image = 'https:' + postNode.heroImage.ogimg.src | ||
| imgWidth = postNode.heroImage.ogimg.width | ||
| imgHeight = postNode.heroImage.ogimg.height | ||
| } | ||
|
|
||
| // Default Website Schema | ||
| const schemaOrgJSONLD = [ | ||
| { | ||
| '@context': 'http://schema.org', | ||
| '@type': 'WebSite', | ||
| url: config.siteUrl, | ||
| name: config.siteTitle, | ||
| alternateName: config.siteTitleAlt ? config.siteTitleAlt : '', | ||
| }, | ||
| ] | ||
|
|
||
| // Blog Post Schema | ||
| if (postSEO) { | ||
| schemaOrgJSONLD.push( | ||
| { | ||
| '@context': 'http://schema.org', | ||
| '@type': 'BreadcrumbList', | ||
| itemListElement: [ | ||
| { | ||
| '@type': 'ListItem', | ||
| position: 1, | ||
| item: { | ||
| '@id': config.siteUrl, | ||
| name: config.siteTitle, | ||
| }, | ||
| }, | ||
| { | ||
| '@type': 'ListItem', | ||
| position: 2, | ||
| item: { | ||
| '@id': pageUrl, | ||
| name: title, | ||
| }, | ||
| }, | ||
| ], | ||
| }, | ||
| { | ||
| '@context': 'http://schema.org', | ||
| '@type': 'BlogPosting', | ||
| url: pageUrl, | ||
| name: title, | ||
| alternateName: config.siteTitleAlt ? config.siteTitleAlt : '', | ||
| headline: title, | ||
| image: { | ||
| '@type': 'ImageObject', | ||
| url: image, | ||
| width: imgWidth, | ||
| height: imgHeight, | ||
| }, | ||
| author: { | ||
| '@type': 'Person', | ||
| name: config.author, | ||
| url: config.authorUrl, | ||
| }, | ||
| publisher: { | ||
| '@type': 'Organization', | ||
| name: config.publisher, | ||
| url: config.siteUrl, | ||
| }, | ||
| datePublished: postNode.publishDateISO, | ||
| mainEntityOfPage: pageUrl, | ||
| } | ||
| ) | ||
| } | ||
|
|
||
| // Page SEO Schema | ||
| if (pageSEO) { | ||
| schemaOrgJSONLD.push({ | ||
| '@context': 'http://schema.org', | ||
| '@type': 'WebPage', | ||
| url: pageUrl, | ||
| name: title, | ||
| }) | ||
| } | ||
|
|
||
| return ( | ||
| <Helmet> | ||
| {/* General tags */} | ||
| <meta name="image" content={image} /> | ||
| <meta name="description" content={description} /> | ||
|
|
||
| {/* Schema.org tags */} | ||
| <script type="application/ld+json"> | ||
| {JSON.stringify(schemaOrgJSONLD)} | ||
| </script> | ||
|
|
||
| {/* OpenGraph tags */} | ||
| <meta property="og:title" content={title} /> | ||
| {postSEO ? <meta property="og:type" content="article" /> : null} | ||
|
|
||
| <meta property="og:url" content={pageUrl} /> | ||
| <meta property="og:image" content={image} /> | ||
| <meta property="og:image:width" content={imgWidth} /> | ||
| <meta property="og:image:height" content={imgHeight} /> | ||
| <meta property="og:description" content={description} /> | ||
|
|
||
| {/* Twitter Card tags */} | ||
| <meta name="twitter:card" content="summary_large_image" /> | ||
| <meta | ||
| name="twitter:creator" | ||
| content={config.userTwitter ? config.userTwitter : ''} | ||
| /> | ||
| <meta name="twitter:title" content={title} /> | ||
| <meta name="twitter:image" content={image} /> | ||
| <meta name="twitter:description" content={description} /> | ||
| </Helmet> | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| export default SEO |
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