@graphql-codegen/typescript-operations/esm/index.js

GraphQL Code Generator plugin for generating TypeScript types for GraphQL queries, mutations, subscriptions and fragments

import { oldVisit } from '@graphql-codegen/plugin-helpers';
import { transformSchemaAST } from '@graphql-codegen/schema-ast';
import { optimizeOperations } from '@graphql-codegen/visitor-plugin-common';
import { concatAST } from 'graphql';
import { TypeScriptDocumentsVisitor } from './visitor.js';
export const plugin = async (inputSchema, rawDocuments, config, { outputFile }) => {
    const schema = config.nullability?.errorHandlingClient ? await semanticToStrict(inputSchema) : inputSchema;
    const documents = config.flattenGeneratedTypes
        ? optimizeOperations(schema, rawDocuments, {
            includeFragments: config.flattenGeneratedTypesIncludeFragments,
        })
        : rawDocuments;
    const allAst = concatAST(documents.map(v => v.document));
    const visitor = new TypeScriptDocumentsVisitor(schema, config, allAst, outputFile);
    const operationsResult = oldVisit(allAst, { leave: visitor });
    const operationsDefinitions = operationsResult.definitions;
    if (config.addOperationExport) {
        for (const d of allAst.definitions) {
            if ('name' in d) {
                operationsDefinitions.push(`export declare const ${d.name.value}: import("graphql").DocumentNode;`);
            }
        }
    }
    const schemaTypes = oldVisit(transformSchemaAST(schema, config).ast, { leave: visitor });
    // IMPORTANT: when a visitor leaves a node with no transformation logic,
    // It will leave the node as an object.
    // Here, we filter in nodes that have been turned into strings, i.e. they have been transformed
    // This way, we do not have to explicitly declare a method for every node type to convert them to null
    const schemaTypesDefinitions = schemaTypes.definitions.filter(def => typeof def === 'string');
    let content = [...schemaTypesDefinitions, ...operationsDefinitions].join('\n');
    if (config.globalNamespace) {
        content = `
    declare global {
      ${content}
    }`;
    }
    return {
        prepend: [
            ...visitor.getImports(),
            ...visitor.getExternalSchemaTypeImports(),
            ...visitor.getEnumsImports(),
            ...visitor.getScalarsImports(),
            ...visitor.getGlobalDeclarations(visitor.config.noExport),
            visitor.getExactUtilityType(),
            visitor.getIncrementalUtilityType(),
        ],
        content,
    };
};
export { TypeScriptDocumentsVisitor };
const semanticToStrict = async (schema) => {
    try {
        const sock = await import('graphql-sock');
        return sock.semanticToStrict(schema);
    }
    catch {
        throw new Error("To use the `nullability.errorHandlingClient` option, you must install the 'graphql-sock' package.");
    }
};