rollup-plugin-graphql/src/index.js

Convert graphql files to ES6 modules

import { createFilter } from 'rollup-pluginutils';
import loader from 'graphql-tag/loader';

import toESModules from './toESModules';

export default function graphql (options = {}) {
	// path filter
	const filter = createFilter(options.include, options.exclude);
	// only .graphql and .gql files
	const filterExt = /\.(graphql|gql)$/i;

	return {
		name: 'graphql',
		transform (source, id) {
			if (!filter(id)) return null;
			if (!filterExt.test(id)) return null;

			// XXX: this.cachable() in graphql-tag/loader
			const code = toESModules(loader.call({cacheable () {}}, source));

			return { code };
		}
	};
}