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Get all WordPress posts with JavaScript
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>Document</title> | |
| </head> | |
| <body> | |
| <pre id="state">Loading posts ...</pre> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/axios/0.18.0/axios.js" integrity="sha256-lrZTgsdM1iVdRigETFOU8u8/BmLX1ysQ8bzrULbuVFU=" | |
| crossorigin="anonymous"></script> | |
| <script> | |
| let state = { | |
| posts: [], | |
| baseUrl: 'https://cors-anywhere.herokuapp.com/https://jacklyons.me/wp-json/wp/v2/posts', | |
| perPage: '?per_page=10', | |
| wpFetchHeaders: { | |
| headers: { | |
| 'Access-Control-Allow-Origin': '*', | |
| 'Access-Control-Expose-Headers': 'x-wp-total' | |
| } | |
| } | |
| } | |
| async function getNumPosts() { | |
| const { headers } = await axios(`${state.baseUrl}${state.perPage}`, state.wpFetchHeaders) | |
| return headers['x-wp-totalpages'] | |
| } | |
| async function fetchPosts(numPages) { | |
| const posts = [] | |
| for (let page = 1; page <= numPages; page += 1) { | |
| const post = axios.get(`${state.baseUrl}${state.perPage}&page=${page}`, state.wpFetchHeaders) | |
| posts.push(post) | |
| } | |
| await axios.all(posts).then((response) => { | |
| const postData = response.map(res => res.data) | |
| state.posts = postData.flat() | |
| }).catch(e => console.log('error fetching posts: ', e)) | |
| return true | |
| } | |
| state.posts = getNumPosts() | |
| .then(numPosts => fetchPosts(numPosts)) | |
| .then((data) => { | |
| console.log('data ', state) | |
| document.getElementById('state').innerText = JSON.stringify(state, null, 4) | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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