"use strict";

const fs = require(`fs-extra`);

exports.onCreateNode = require(`./on-node-create`);
exports.setFieldsOnGraphQLNodeType = require(`./extend-node-type`);

exports.onPreExtractQueries = async ({
  store,
  getNodesByType
}) => {
  const program = store.getState().program; // Check if there are any ImageSharp nodes. If so add fragments for ImageSharp.
  // The fragment will cause an error if there are no ImageSharp nodes.

  if (getNodesByType(`ImageSharp`).length == 0) {
    return;
  } // We have ImageSharp nodes so let's add our fragments to .cache/fragments.


  await fs.copy(require.resolve(`gatsby-transformer-sharp/src/fragments.js`), `${program.directory}/.cache/fragments/image-sharp-fragments.js`);
};

exports.sourceNodes = ({
  actions
}) => {
  const {
    createTypes
  } = actions;

  if (createTypes) {
    createTypes(`
      type ImageSharp implements Node @infer @childOf(types: ["File"]) {
        id: ID!
      }
    `);
  }
};