76 lines
1.5 KiB
TypeScript
76 lines
1.5 KiB
TypeScript
/**
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* SEO component that queries for data with
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* Gatsby's useStaticQuery React hook
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*
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* See: https://www.gatsbyjs.org/docs/use-static-query/
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*/
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import * as React from 'react';
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import { Helmet } from 'react-helmet';
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import { useStaticQuery, graphql } from 'gatsby';
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function SEO({ description = '', lang = 'en', meta = [], title }) {
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const { site } = useStaticQuery(
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graphql`
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query {
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site {
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siteMetadata {
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title
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description
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author
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}
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}
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}
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`
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);
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const metaDescription = description || site.siteMetadata.description;
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return (
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<Helmet
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htmlAttributes={{
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lang,
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}}
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title={title}
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titleTemplate={`%s | ${site.siteMetadata.title}`}
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defaultTitle={site.siteMetadata.title}
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meta={[
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{
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name: `description`,
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content: metaDescription,
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},
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{
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property: `og:title`,
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content: title,
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},
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{
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property: `og:description`,
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content: metaDescription,
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},
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{
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property: `og:type`,
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content: `website`,
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},
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{
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name: `twitter:card`,
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content: `summary`,
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},
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{
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name: `twitter:creator`,
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content: site.siteMetadata.author,
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},
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{
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name: `twitter:title`,
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content: title,
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},
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{
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name: `twitter:description`,
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content: metaDescription,
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},
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].concat(meta)}
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/>
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);
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}
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export default SEO;
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