197 lines
4.0 KiB
TypeScript
197 lines
4.0 KiB
TypeScript
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import { getConfig } from "blitz";
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import { remark } from "remark";
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import html from "remark-html";
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export async function markdownToHtml(markdown: string) {
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const result = await remark().use(html).process(markdown);
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return result.toString();
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}
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const { serverRuntimeConfig } = getConfig();
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// See: https://www.datocms.com/blog/offer-responsive-progressive-lqip-images-in-2020
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const responsiveImageFragment = `
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fragment responsiveImageFragment on ResponsiveImage {
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srcSet
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webpSrcSet
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sizes
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src
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width
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height
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aspectRatio
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alt
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title
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bgColor
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base64
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}
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`;
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type Params = {
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variables?: Record<string, string>;
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preview?: boolean;
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};
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async function fetchAPI<Response = unknown>(query: string, { variables, preview }: Params = {}) {
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const res = await fetch("https://graphql.datocms.com" + (preview ? "/preview" : ""), {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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Authorization: `Bearer ${serverRuntimeConfig.datoCms.apiToken}`,
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},
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body: JSON.stringify({
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query,
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variables,
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}),
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});
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const json = await res.json();
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if (json.errors) {
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console.error(json.errors);
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throw new Error("Failed to fetch API");
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}
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return json.data as Response;
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}
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export type Post = {
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slug: string;
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title: string;
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excerpt: string;
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date: string; // "YYYY-MM-DD"
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content: string;
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ogImage: {
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url: string;
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};
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coverImage: {
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responsiveImage: {
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srcSet: string;
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webpSrcSet: string;
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sizes: string;
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src: string;
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width: 2000;
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height: 1000;
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aspectRatio: 2;
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alt: string | null;
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title: string | null;
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bgColor: string | null;
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base64: string;
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};
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};
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author: {
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name: string;
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picture: {
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url: string;
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};
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};
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};
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export async function getPreviewPostBySlug(slug: string) {
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const data = await fetchAPI<{ post: Pick<Post, "slug"> } | null>(
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`
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query PostBySlug($slug: String) {
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post(filter: {slug: {eq: $slug}}) {
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slug
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}
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}`,
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{
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preview: true,
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variables: {
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slug,
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},
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},
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);
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return data?.post;
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}
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export async function getAllPostsWithSlug() {
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const { allPosts } = await fetchAPI<{ allPosts: Pick<Post, "slug">[] }>(`
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{
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allPosts {
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slug
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}
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}
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`);
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return allPosts;
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}
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export async function getAllPostsForHome(preview: boolean) {
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const data = await fetchAPI<{ allPosts: Omit<Post, "content" | "ogImage">[] }>(
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`
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{
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allPosts(orderBy: date_DESC, first: 20) {
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title
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slug
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excerpt
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date
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coverImage {
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responsiveImage(imgixParams: {fm: jpg, fit: crop, w: 2000, h: 1000 }) {
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...responsiveImageFragment
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}
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}
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author {
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name
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picture {
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url(imgixParams: {fm: jpg, fit: crop, w: 100, h: 100, sat: -100})
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}
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}
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}
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}
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${responsiveImageFragment}
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`,
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{ preview },
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);
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return data?.allPosts;
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}
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export async function getPostAndMorePosts(slug: string, preview: boolean) {
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return fetchAPI<{ post: Omit<Post, "excerpt">; morePosts: Omit<Post, "content" | "ogImage">[] }>(
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`
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query PostBySlug($slug: String) {
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post(filter: {slug: {eq: $slug}}) {
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title
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slug
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content
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date
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ogImage: coverImage{
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url(imgixParams: {fm: jpg, fit: crop, w: 2000, h: 1000 })
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}
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coverImage {
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responsiveImage(imgixParams: {fm: jpg, fit: crop, w: 2000, h: 1000 }) {
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...responsiveImageFragment
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}
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}
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author {
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name
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picture {
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url(imgixParams: {fm: jpg, fit: crop, w: 100, h: 100, sat: -100})
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}
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}
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}
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morePosts: allPosts(orderBy: date_DESC, first: 2, filter: {slug: {neq: $slug}}) {
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title
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slug
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excerpt
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date
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coverImage {
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responsiveImage(imgixParams: {fm: jpg, fit: crop, w: 2000, h: 1000 }) {
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...responsiveImageFragment
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}
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}
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author {
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name
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picture {
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url(imgixParams: {fm: jpg, fit: crop, w: 100, h: 100, sat: -100})
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}
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}
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}
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}
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${responsiveImageFragment}
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`,
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{
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preview,
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variables: {
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slug,
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},
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},
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);
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}
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