import React from 'react'
import Helmet from 'react-helmet'
import PropTypes from 'prop-types'
function truncate(n, useWordBoundary) {
if (this.length <= n) {
return this
}
const subString = this.substr(0, n - 1)
return (
(useWordBoundary
? subString.substr(0, subString.lastIndexOf(' '))
: subString) + '...'
)
}
const SEO = ({ project, meta }) => {
const title = project.title ? project.title : meta.title
const description = project.description
? truncate.apply(project.description, [320, true])
: truncate.apply(meta.description, [320, true])
const image = project.img
? project.img.childImageSharp.twitterImage.src
: meta.img.childImageSharp.resize.src
const url = project.slug ? `${meta.url}${project.slug}` : meta.url
return (
{/* General tags */}
{/* OpenGraph tags */}
{/* Twitter Card tags */}
)
}
SEO.propTypes = {
project: PropTypes.object,
meta: PropTypes.object
}
SEO.defaultProps = {
project: {},
meta: {}
}
export default SEO