kloh-fr · December 21, 2020 18:59
diff --git a/wordpress-posts-via-api.html b/wordpress-posts-via-api.html
 <!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>Get WordPress posts via API</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://protonmail.com/blog/wp-json/wp/v2/posts",
        perPage: "?per_page=5",
        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>
	<!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>Get WordPress posts via API</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://protonmail.com/blog/wp-json/wp/v2/posts",
	perPage: "?per_page=5",
	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>