gatsby-node.js

/**
 * Implement Gatsby's Node APIs in this file.
 *
 * See: https://www.gatsbyjs.org/docs/node-apis/
 */

const { introspectionQuery, graphql, printSchema } = require('gatsby/graphql');
const write = require('write');

/**
 * Generate GraphQL schema.json file to be read by tslint
 * Thanks: https://gist.github.com/kkemple/6169e8dc16369b7c01ad7408fc7917a9
 */
exports.onPostBootstrap = async ({ store }) => {
    try {
        const { schema } = store.getState();
        const jsonSchema = await graphql(schema, introspectionQuery);
        const sdlSchema = printSchema(schema);

        write.sync('schema.json', JSON.stringify(jsonSchema.data), {});
        write.sync('schema.graphql', sdlSchema, {});

        console.log('\n\n[gatsby-plugin-extract-schema] Wrote schema\n'); // eslint-disable-line
    } catch (error) {
        console.error(
            '\n\n[gatsby-plugin-extract-schema] Failed to write schema: ',
            error,
            '\n',
        );
    }
};

const { fmImagesToRelative } = require('gatsby-remark-relative-images');

exports.onCreateNode = ({ node }) => {
    fmImagesToRelative(node);
};