popsu_rouen_strapi/gridsome.server.js

const axios = require('axios'),
      fs = require('fs');
let param = JSON.parse(fs.readFileSync('param.JSON', 'utf-8'))

module.exports = function(api) {
  api.loadSource(async actions => {
    for (let d in param.meta) {
      actions.addMetadata(d, param.meta[d])
    }
    if (!param.search) throw "Nothing to search for";
    let search = param.search.map(s => {
      return axios.get(`${param.source}${s}`);
    });
    await axios.all(search).then(res => {
      param.search.forEach((p, index) => {
        let action = actions.addCollection(p),
          {
            data
          } = res[index];
        for (const item of data) {
          action.addNode(item)
        }
      });
    });
  })
}