@eleven-am/nestjs-graphql-crud/createCustomResolver.js

nestjs-graphql-crud is a library that aims to reduce the boilerplate code needed to create a GraphQL CRUD API.

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createCustomResolver = createCustomResolver;
const graphql_1 = require("@nestjs/graphql");
const authorizer_1 = require("@eleven-am/authorizer");
const decorators_1 = require("./decorators");
function createCustomResolver(item, modelName, FactoryClass, config, ParentClass) {
    var _a, _b, _c;
    let Class;
    if (config.isMutation) {
        let CustomResolverImpl = class CustomResolverImpl extends ParentClass {
            async [_a = config.name](info, ability, args) {
                const select = this.service.fieldSelectionProvider.parseSelection(info);
                const factory = this.service.getFactory(FactoryClass);
                // @ts-ignore
                return factory[config.methodName](args, ability, select);
            }
        };
        __decorate([
            (0, graphql_1.Mutation)(config.outputType, {
                description: config.description,
                nullable: config.nullable,
            }),
            (0, authorizer_1.CanPerform)(...config.permissions),
            __param(0, (0, graphql_1.Info)()),
            __param(1, decorators_1.CurrentAbility.HTTP()),
            __param(2, (0, graphql_1.Args)('args', { type: () => config.inputType })),
            __metadata("design:type", Function),
            __metadata("design:paramtypes", [Object, Object, Object]),
            __metadata("design:returntype", Promise)
        ], CustomResolverImpl.prototype, _a, null);
        CustomResolverImpl = __decorate([
            (0, graphql_1.Resolver)(() => item)
        ], CustomResolverImpl);
        Class = CustomResolverImpl;
    }
    else if (config.resolveField) {
        let CustomResolverImpl = class CustomResolverImpl extends ParentClass {
            async [_b = config.name](item, info, ability, where) {
                const select = this.service.fieldSelectionProvider.parseSelection(info);
                const factory = this.service.getFactory(FactoryClass);
                // @ts-ignore
                return factory[config.methodName](where, ability, item, select);
            }
        };
        __decorate([
            (0, graphql_1.ResolveField)(config.resolveField, config.outputType, {
                description: config.description,
                nullable: config.nullable,
            }),
            (0, authorizer_1.CanPerform)(...config.permissions),
            __param(0, (0, graphql_1.Parent)()),
            __param(1, (0, graphql_1.Info)()),
            __param(2, decorators_1.CurrentAbility.HTTP()),
            __param(3, (0, graphql_1.Args)('args', { type: () => config.inputType, nullable: config.nullable })),
            __metadata("design:type", Function),
            __metadata("design:paramtypes", [Object, Object, Object, Object]),
            __metadata("design:returntype", Promise)
        ], CustomResolverImpl.prototype, _b, null);
        CustomResolverImpl = __decorate([
            (0, graphql_1.Resolver)(() => item)
        ], CustomResolverImpl);
        Class = CustomResolverImpl;
    }
    else {
        let CustomResolverImpl = class CustomResolverImpl extends ParentClass {
            async [_c = config.name](info, ability, where) {
                const select = this.service.fieldSelectionProvider.parseSelection(info);
                const factory = this.service.getFactory(FactoryClass);
                // @ts-ignore
                return factory[config.methodName](where, ability, select);
            }
        };
        __decorate([
            (0, graphql_1.Query)(config.outputType, {
                name: config.name,
                nullable: config.nullable,
            }),
            (0, authorizer_1.CanPerform)(...config.permissions),
            __param(0, (0, graphql_1.Info)()),
            __param(1, decorators_1.CurrentAbility.HTTP()),
            __param(2, (0, graphql_1.Args)('args', { type: () => config.inputType, nullable: config.nullable })),
            __metadata("design:type", Function),
            __metadata("design:paramtypes", [Object, Object, Object]),
            __metadata("design:returntype", Promise)
        ], CustomResolverImpl.prototype, _c, null);
        CustomResolverImpl = __decorate([
            (0, graphql_1.Resolver)(() => item)
        ], CustomResolverImpl);
        Class = CustomResolverImpl;
    }
    const name = `${(0, decorators_1.firstLetterUppercase)(modelName)}${(0, decorators_1.firstLetterUppercase)(config.name)}Resolver`;
    Object.defineProperty(Class, 'name', {
        value: name,
        writable: false,
    });
    return Class;
}
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