@graphql-tools/jest-transform/esm/index.js

Jest Plugin to load and parse imported GraphQL files

import fs from 'fs';
import loader from '@graphql-tools/webpack-loader';
class GraphQLTransformer {
    process(input, filePath, jestConfig) {
        const config = jestConfig.config.globals?.['graphql'] || {};
        // call directly the webpack loader with a mocked context
        // as the loader leverages `this.cacheable()`
        const code = loader.call({
            cacheable() { },
            query: config,
            resourcePath: filePath,
            fs,
            addDependency() { },
        }, input);
        if (typeof code !== 'string') {
            throw new Error('@graphql-tools/jest-transform requires the webpack loader to return source synchronously');
        }
        return { code };
    }
}
let transformer;
function defaultTransformer() {
    return transformer || (transformer = new GraphQLTransformer());
}
export function process(...args) {
    return defaultTransformer().process(...args);
}
const transformerFactory = {
    process,
};
export default transformerFactory;