@nestjs/graphql/dist/schema-builder/factories/args.factory.js

Nest - modern, fast, powerful node.js web framework (@graphql)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ArgsFactory = void 0;
const tslib_1 = require("tslib");
const common_1 = require("@nestjs/common");
const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
const cannot_determine_arg_type_error_1 = require("../errors/cannot-determine-arg-type.error");
const get_default_value_helper_1 = require("../helpers/get-default-value.helper");
const type_metadata_storage_1 = require("../storages/type-metadata.storage");
const input_type_factory_1 = require("./input-type.factory");
let ArgsFactory = exports.ArgsFactory = class ArgsFactory {
    constructor(inputTypeFactory) {
        this.inputTypeFactory = inputTypeFactory;
    }
    create(args, options) {
        const fieldConfigMap = {};
        args.forEach((param) => {
            if (param.kind === 'arg') {
                fieldConfigMap[param.name] = {
                    description: param.description,
                    type: this.inputTypeFactory.create(param.name, param.typeFn(), options, param.options),
                    defaultValue: param.options.defaultValue,
                };
            }
            else if (param.kind === 'args') {
                const argumentTypes = type_metadata_storage_1.TypeMetadataStorage.getArgumentsMetadata();
                const hostType = param.typeFn();
                const argumentType = argumentTypes.find((item) => item.target === hostType);
                if (!argumentType) {
                    throw new cannot_determine_arg_type_error_1.CannotDetermineArgTypeError(hostType.name || hostType, param);
                }
                let parent = Object.getPrototypeOf(argumentType.target);
                while (!(0, shared_utils_1.isUndefined)(parent.prototype)) {
                    const parentArgType = argumentTypes.find((item) => item.target === parent);
                    if (parentArgType) {
                        this.inheritParentArgs(parentArgType, options, fieldConfigMap);
                    }
                    parent = Object.getPrototypeOf(parent);
                }
                this.inheritParentArgs(argumentType, options, fieldConfigMap);
            }
        });
        return fieldConfigMap;
    }
    inheritParentArgs(argType, options, fieldConfigMap = {}) {
        const argumentInstance = new argType.target();
        argType.properties.forEach((field) => {
            field.options.defaultValue = (0, get_default_value_helper_1.getDefaultValue)(argumentInstance, field.options, field.name, argType.name);
            const { schemaName } = field;
            fieldConfigMap[schemaName] = {
                description: field.description,
                type: this.inputTypeFactory.create(field.name, field.typeFn(), options, field.options),
                defaultValue: field.options.defaultValue,
            };
        });
    }
};
exports.ArgsFactory = ArgsFactory = tslib_1.__decorate([
    (0, common_1.Injectable)(),
    tslib_1.__metadata("design:paramtypes", [input_type_factory_1.InputTypeFactory])
], ArgsFactory);