@grapi/server/lib/sdlParser/parser.js

Grapi Schema Generator For GraphQL Server

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SdlParser = exports.parseDefinitionNodeToSdl = void 0;
const graphql_1 = require("graphql");
const lodash_1 = require("../lodash");
const namedType_1 = require("./namedType");
const utils_1 = require("./utils");
const parseNodeToSdlObjectType = (documentNode, node, getSdlNamedType) => {
    const fields = (0, lodash_1.reduce)(node.fields, (result, fieldNode) => {
        result[fieldNode.name.value] = (0, utils_1.createSdlField)(documentNode, fieldNode, getSdlNamedType);
        return result;
    }, {});
    const directives = (0, lodash_1.reduce)(node.directives, (result, directiveNode) => {
        result[directiveNode.name.value] = (0, utils_1.parseDirectiveNode)(directiveNode);
        return result;
    }, {});
    const interfaces = node.interfaces.map(namedTypeNode => namedTypeNode.name.value);
    return new namedType_1.SdlObjectType({
        typeDef: node,
        name: node.name.value,
        description: (0, lodash_1.get)(node, 'description.value'),
        directives,
        interfaces,
        fields,
    });
};
const parseNodeToSdlEnumType = (node) => {
    return new namedType_1.SdlEnumType({
        typeDef: node,
        name: node.name.value,
        description: (0, lodash_1.get)(node, 'description.value'),
        values: node.values.map(valueDefNode => valueDefNode.name.value),
    });
};
const parseDefinitionNodeToSdl = (node) => {
    return (0, graphql_1.print)(node);
};
exports.parseDefinitionNodeToSdl = parseDefinitionNodeToSdl;
class SdlParser {
    namedTypeMap = {};
    parse(sdl) {
        const documentAST = (0, graphql_1.parse)(sdl);
        (0, graphql_1.visit)(documentAST, {
            enter: (node, key, parent, path) => {
                if (node.kind === graphql_1.Kind.DIRECTIVE_DEFINITION) {
                    const scalarName = node.name.value;
                    this.namedTypeMap[scalarName] = new namedType_1.SdlDirectiveType({ typeDef: node, name: scalarName });
                    return false;
                }
                if (node.kind === graphql_1.Kind.SCALAR_TYPE_DEFINITION) {
                    const scalarName = node.name.value;
                    this.namedTypeMap[scalarName] = new namedType_1.SdlScalarType({ typeDef: node, name: scalarName });
                    return false;
                }
                if (node.kind === graphql_1.Kind.OBJECT_TYPE_DEFINITION) {
                    this.namedTypeMap[node.name.value] = parseNodeToSdlObjectType(documentAST, node, this.getSdlNamedType);
                    return false;
                }
                if (node.kind === graphql_1.Kind.ENUM_TYPE_DEFINITION) {
                    this.namedTypeMap[node.name.value] = parseNodeToSdlEnumType(node);
                    return false;
                }
            },
        });
        return (0, lodash_1.values)(this.namedTypeMap);
    }
    getSdlNamedType = (name) => {
        return this.namedTypeMap[name];
    };
}
exports.SdlParser = SdlParser;