@graphql-mesh/serve-runtime/esm/handleUnifiedGraphConfig.js

/* eslint-disable import/no-extraneous-dependencies */
import { buildASTSchema, buildSchema, isSchema } from 'graphql';
import { defaultImportFn, isUrl, readFileOrUrl } from '@graphql-mesh/utils';
import { isDocumentNode, isPromise, isValidPath } from '@graphql-tools/utils';
export function handleUnifiedGraphConfig(unifiedGraphConfig, serveContext) {
    if (isPromise(unifiedGraphConfig)) {
        return unifiedGraphConfig.then(newConfig => handleUnifiedGraphConfig(newConfig, serveContext));
    }
    if (typeof unifiedGraphConfig === 'function') {
        return handleUnifiedGraphConfig(unifiedGraphConfig(), serveContext);
    }
    if (isSchema(unifiedGraphConfig)) {
        return unifiedGraphConfig;
    }
    if (typeof unifiedGraphConfig === 'string') {
        if (isValidPath(unifiedGraphConfig) || isUrl(unifiedGraphConfig)) {
            const sdl$ = readFileOrUrl(unifiedGraphConfig, {
                fetch: serveContext.fetch,
                cwd: serveContext.cwd,
                logger: serveContext.logger,
                allowUnknownExtensions: true,
                importFn: defaultImportFn,
            });
            if (isPromise(sdl$)) {
                return sdl$.then(sdl => handleUnifiedGraphConfig(sdl, serveContext));
            }
            return handleUnifiedGraphConfig(sdl$, serveContext);
        }
        try {
            return buildSchema(unifiedGraphConfig, {
                assumeValid: true,
                assumeValidSDL: true,
            });
        }
        catch (e) {
            serveContext.logger.error(`Failed to load Supergraph from ${unifiedGraphConfig}`);
            throw e;
        }
    }
    if (isDocumentNode(unifiedGraphConfig)) {
        return buildASTSchema(unifiedGraphConfig, {
            assumeValid: true,
            assumeValidSDL: true,
        });
    }
    throw new Error(`Invalid Supergraph config: ${unifiedGraphConfig}. It can be an SDL string, a GraphQLSchema, a DocumentNode or a function that returns any of these`);
}