@graphql-eslint/eslint-plugin/esm/parser.js

GraphQL plugin for ESLint

import { parseGraphQLSDL } from '@graphql-tools/utils';
import { GraphQLError, GraphQLSchema } from 'graphql';
import debugFactory from 'debug';
import { convertToESTree, extractComments, extractTokens } from './estree-converter/index.js';
import { getSchema } from './schema.js';
import { getDocuments } from './documents.js';
import { loadGraphQLConfig } from './graphql-config.js';
import { CWD, VIRTUAL_DOCUMENT_REGEX } from './utils.js';
const debug = debugFactory('graphql-eslint:parser');
debug('cwd %o', CWD);
export function parseForESLint(code, options) {
    try {
        const { filePath } = options;
        // First parse code from file, in case of syntax error do not try load schema,
        // documents or even graphql-config instance
        const { document } = parseGraphQLSDL(filePath, code, {
            ...options.graphQLParserOptions,
            noLocation: false,
        });
        const gqlConfig = loadGraphQLConfig(options);
        const realFilepath = filePath.replace(VIRTUAL_DOCUMENT_REGEX, '');
        const project = gqlConfig.getProjectForFile(realFilepath);
        const schema = getSchema(project, options.schemaOptions);
        const rootTree = convertToESTree(document, schema instanceof GraphQLSchema ? schema : undefined);
        return {
            services: {
                schema,
                siblingOperations: getDocuments(project),
            },
            ast: {
                comments: extractComments(document.loc),
                tokens: extractTokens(filePath, code),
                loc: rootTree.loc,
                range: rootTree.range,
                type: 'Program',
                sourceType: 'script',
                body: [rootTree],
            },
        };
    }
    catch (error) {
        if (error instanceof Error) {
            error.message = `[graphql-eslint] ${error.message}`;
        }
        // In case of GraphQL parser error, we report it to ESLint as a parser error that matches the requirements
        // of ESLint. This will make sure to display it correctly in IDEs and lint results.
        if (error instanceof GraphQLError) {
            const eslintError = {
                index: error.positions[0],
                lineNumber: error.locations[0].line,
                column: error.locations[0].column - 1,
                message: error.message,
            };
            throw eslintError;
        }
        throw error;
    }
}