如何在循环中运行graphql查询直到条件不匹配开发者社区

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const myproducts = await axios({
        url: `https://${req.session.shop}/admin/api/2022-01/graphql.json`,
        method: 'post',
        headers: {
          "X-Shopify-Access-Token": req.session.token,
        data: {
            query: `
            query ($numProducts: Int!) {
              products(first: $numProducts) {
                edges {
                  cursor
                  node {
                    title
                pageInfo {
                  hasNextPage
            variables: {
              numProducts: 3
    });

//Query
const getProdCollection =
  `query nodes($ids: [ID!]!, $cursor: String) {
    nodes(ids: $ids) {
      ... on Collection {
        products(first: 50, after: $cursor) {
          pageInfo {
            hasNextPage
            endCursor
          edges {
           cursor
            node {
              title
              handle
              descriptionHtml
app.post("/api/getcollection", async (req, res) => {
    const session = await Shopify.Utils.loadCurrentSession(
      app.get("use-online-tokens")
if (!session) {
      res.status(401).send("Could not find a Shopify session");
      return;
    const client = new Shopify.Clients.Graphql(
      session.shop,
      session.accessToken
    //Set cursor to null for first iteration
    let cursor = null;
    let allData = [];
    while (true) {
      // place you looping request here
      let prodCollection = await client.query({
        data: {
          query: getProdCollection,
          variables: {
            ids: [req.body['data']],
            cursor: cursor
      //update nextPage and curpor
      let nextPage = prodCollection.body.data.nodes[0].products.pageInfo.hasNextPage;
      cursor = prodCollection.body.data.nodes[0].products.pageInfo.endCursor;
      let myProductData = prodCollection.body.data.nodes[0].products.edges;
      allData = allData.concat(myProductData);
      //Finish the loop here
      if (nextPage == false) {
        break;

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