Hashnode & Astro

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Hashnode is a hosted CMS that allows you to create a blog or publication.

Integrating with Astro

The Hashnode Public API is a GraphQL API that allows you to interact with Hashnode. This guide uses graphql-request, a minimal GraphQL client that works well with Astro, to bring your Hashnode data into your Astro project.

Prerequisites

To get started you will need to have the following:

An Astro project - If you don’t have an Astro project yet, our Installation guide will get you up and running in no time.
A Hashnode site - You can create free personal site by visiting Hashnode.

Installing dependencies

Install the graphql-request package using the package manager of your choice:

npm install graphql-request

pnpm add graphql-request

yarn add graphql-request

Making a blog with Astro and Hashnode

This guide uses graphql-request, a minimal GraphQL client that works well with Astro, to bring your Hashnode data into your Astro project.

Prerequisites

A Hashnode Blog
An Astro project integrated with the graphql-request package installed.

This example will create an index page that lists posts with links to dynamically-generated individual post pages.

Fetching Data

To fetch your site’s data with the graphql-request package, make a src/lib directory and create two new files client.ts & schema.ts:
- Directorysrc/
  - Directorylib/
    client.ts
    schema.ts
  - Directorypages/
    index.astro
- astro.config.mjs
- package.json

Initialize an API instance with the GraphQLClient using the URL from your Hashnode Website.

import { gql, GraphQLClient } from "graphql-request";
import type { AllPostsData, PostData } from "./schema";

export const getClient = () => {
  return new GraphQLClient("https://gql.hashnode.com")
}

const myHashnodeURL = "astroplayground.hashnode.dev";

export const getAllPosts = async () => {
  const client = getClient();

  const allPosts = await client.request<AllPostsData>(
    gql`
      query allPosts {
        publication(host: "${myHashnodeURL}") {
          title
          posts(first: 20) {
            pageInfo{
              hasNextPage
              endCursor
            }
            edges {
              node {
                author{
                  name
                  profilePicture
                }
                title
                subtitle
                brief
                slug
                coverImage {
                  url
                }
                tags {
                  name
                  slug
                }
                publishedAt
                readTimeInMinutes
              }
            }
          }
        }
      }
    `
  );

  return allPosts;
};


export const getPost = async (slug: string) => {
  const client = getClient();

  const data = await client.request<PostData>(
    gql`
      query postDetails($slug: String!) {
        publication(host: "${myHashnodeURL}") {
          post(slug: $slug) {
            author{
              name
              profilePicture
            }
            publishedAt
            title
            subtitle
            readTimeInMinutes
            content{
              html
            }
            tags {
              name
              slug
            }
            coverImage {
              url
            }
          }
        }
      }
    `,
    { slug: slug }
  );

  return data.publication.post;
};

Configure schema.ts to define the shape of the data returned from the Hashnode API.

import { z } from "astro/zod";

export const PostSchema = z.object({
    author: z.object({
        name: z.string(),
        profilePicture: z.string(),
        }),
    publishedAt: z.string(),
    title: z.string(),
    subtitle: z.string(),
    brief: z.string(),
    slug: z.string(),
    readTimeInMinutes: z.number(),
    content: z.object({
        html: z.string(),
    }),
    tags: z.array(z.object({
        name: z.string(),
        slug: z.string(),
    })),
    coverImage: z.object({
        url: z.string(),
    }),
})

export const AllPostsDataSchema = z.object({
    publication: z.object({
        title: z.string(),
        posts: z.object({
            pageInfo: z.object({
                hasNextPage: z.boolean(),
                endCursor: z.string(),
            }),
            edges: z.array(z.object({
                node: PostSchema,
            })),
        }),
    }),
})

export const PostDataSchema = z.object({
    publication: z.object({
        title: z.string(),
        post: PostSchema,
    }),
})

export type Post = z.infer<typeof PostSchema>
export type AllPostsData = z.infer<typeof AllPostsDataSchema>
export type PostData = z.infer<typeof PostDataSchema>

Displaying a list of posts

Fetching via getAllPosts() returns an array of objects containing the properties for each post such as:

title - the title of the post
brief - the HTML rendering of the content of the post
coverImage.url - the source URL of the featured image of the post
slug - the slug of the post

Use the posts array returned from the fetch to display a list of blog posts on the page.

---
import { getAllPosts } from '../lib/client';

const data = await getAllPosts();
const allPosts = data.publication.posts.edges;

---

<html lang="en">
    <head>
        <title>Astro + Hashnode</title>
    </head>
    <body>

        {
            allPosts.map((post) => (
                <div>
                    <h2>{post.node.title}</h2>
                    <p>{post.node.brief}</p>
                    <img src={post.node.coverImage.url} alt={post.node.title} />
                    <a href={`/post/${post.node.slug}`}>Read more</a>
                </div>
            ))
        }
    </body>
</html>

Generating pages

Create the page src/pages/post/[slug].astro to dynamically generate a page for each post.
- Directorysrc/
  - …
- Directorylib/
  - client.ts
  - schema.ts
  - Directorypages/
    index.astro
    Directorypost/
    [slug].astro
- astro.config.mjs
- package.json

Import and use getAllPosts() and getPost() to fetch the data from Hashnode and generate individual page routes for each post.

---
import { getAllPosts, getPost } from '../../lib/client';


export async function getStaticPaths() {
  const data = await getAllPosts();
  const allPosts = data.publication.posts.edges;
  return allPosts.map((post) => {
    return {
      params: { slug: post.node.slug },
    }
  })
}
const { slug } = Astro.params;
const post = await getPost(slug);

---

Create the template for each page using the properties of each post object. The example below shows the post title and reading time, then the full post content:

---
import { getAllPosts, getPost } from '../../lib/client';


export async function getStaticPaths() {
  const data = await getAllPosts();
  const allPosts = data.publication.posts.edges;
  return allPosts.map((post) => {
    return {
      params: { slug: post.node.slug },
    }
  })
}
const { slug } = Astro.params;
const post = await getPost(slug);

---
<!DOCTYPE html>
<html lang="en">
    <head>
        <title>{post.title}</title>
    </head>
    <body>
        <img src={post.coverImage.url} alt={post.title} />

        <h1>{post.title}</h1>
        <p>{post.readTimeInMinutes} min read</p>

        <Fragment set:html={post.content.html} />
    </body>
</html>

Publishing your site

To deploy your site visit our deployment guide and follow the instructions for your preferred hosting provider.

Community Resources

astro-hashnode on GitHub

Hashnode & Astro

Integrating with Astro

Prerequisites

Installing dependencies

Making a blog with Astro and Hashnode

Prerequisites

Fetching Data

Displaying a list of posts

Generating pages

Publishing your site

Community Resources

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