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const API_URL = "https://graphql.datocms.com";
const API_TOKEN = process.env.DATOCMS_API_TOKEN;
// See: https://www.datocms.com/blog/offer-responsive-progressive-lqip-images-in-2020
const responsiveImageFragment = `
fragment responsiveImageFragment on ResponsiveImage {
srcSet
webpSrcSet
sizes
src
width
height
aspectRatio
alt
title
bgColor
base64
}
`;
async function fetchAPI(query, { variables, preview } = {}) {
const res = await fetch(API_URL + (preview ? "/preview" : ""), {
method: "POST",
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${API_TOKEN}`,
},
body: JSON.stringify({
query,
variables,
}),
});
const json = await res.json();
if (json.errors) {
console.error(json.errors);
throw new Error("Failed to fetch API");
}
return json.data;
}
export async function getPreviewPostBySlug(slug) {
const data = await fetchAPI(
`
query PostBySlug($slug: String) {
post(filter: {slug: {eq: $slug}}) {
slug
}
}`,
{
preview: true,
variables: {
slug,
},
},
);
return data?.post;
}
export async function getAllPostsWithSlug() {
const data = await fetchAPI(`
{
allPosts {
slug
}
}
`);
return data?.allPosts;
}
export async function getAllPostsForHome(preview) {
const data = await fetchAPI(
`
{
allPosts(orderBy: date_DESC, first: 20) {
title
slug
excerpt
date
coverImage {
responsiveImage(imgixParams: {fm: jpg, fit: crop, w: 2000, h: 1000 }) {
...responsiveImageFragment
}
}
author {
name
picture {
url(imgixParams: {fm: jpg, fit: crop, w: 100, h: 100, sat: -100})
}
}
}
}
${responsiveImageFragment}
`,
{ preview },
);
return data?.allPosts;
}
export async function getPostAndMorePosts(slug, preview) {
const data = await fetchAPI(
`
query PostBySlug($slug: String) {
post(filter: {slug: {eq: $slug}}) {
title
slug
content
date
ogImage: coverImage{
url(imgixParams: {fm: jpg, fit: crop, w: 2000, h: 1000 })
}
coverImage {
responsiveImage(imgixParams: {fm: jpg, fit: crop, w: 2000, h: 1000 }) {
...responsiveImageFragment
}
}
author {
name
picture {
url(imgixParams: {fm: jpg, fit: crop, w: 100, h: 100, sat: -100})
}
}
}
morePosts: allPosts(orderBy: date_DESC, first: 2, filter: {slug: {neq: $slug}}) {
title
slug
excerpt
date
coverImage {
responsiveImage(imgixParams: {fm: jpg, fit: crop, w: 2000, h: 1000 }) {
...responsiveImageFragment
}
}
author {
name
picture {
url(imgixParams: {fm: jpg, fit: crop, w: 100, h: 100, sat: -100})
}
}
}
}
${responsiveImageFragment}
`,
{
preview,
variables: {
slug,
},
},
);
return data;
}
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