@loopback/rest
Version:
Expose controllers as REST endpoints and route REST API requests to controller methods
95 lines • 5.51 kB
JavaScript
;
// Copyright IBM Corp. and LoopBack contributors 2018,2020. All Rights Reserved.
// Node module: @loopback/rest
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
Object.defineProperty(exports, "__esModule", { value: true });
exports.RestComponent = void 0;
const tslib_1 = require("tslib");
const core_1 = require("@loopback/core");
const express_1 = require("@loopback/express");
const openapi_v3_1 = require("@loopback/openapi-v3");
const body_parsers_1 = require("./body-parsers");
const body_parser_raw_1 = require("./body-parsers/body-parser.raw");
const keys_1 = require("./keys");
const providers_1 = require("./providers");
const rest_server_1 = require("./rest.server");
const consolidate_spec_enhancer_1 = require("./spec-enhancers/consolidate.spec-enhancer");
const info_spec_enhancer_1 = require("./spec-enhancers/info.spec-enhancer");
const ajv_factory_provider_1 = require("./validation/ajv-factory.provider");
let RestComponent = class RestComponent {
constructor(app, config) {
var _a;
this.providers = {
[keys_1.RestBindings.AJV_FACTORY.key]: ajv_factory_provider_1.AjvFactoryProvider,
};
/**
* Add built-in body parsers
*/
this.bindings = [
...createActionBindings(),
// FIXME(rfeng): We now register request body parsers in TRANSIENT scope
// so that they can be bound at application or server level
core_1.Binding.bind(keys_1.RestBindings.REQUEST_BODY_PARSER).toClass(body_parsers_1.RequestBodyParser),
(0, rest_server_1.createBodyParserBinding)(body_parsers_1.JsonBodyParser, keys_1.RestBindings.REQUEST_BODY_PARSER_JSON),
(0, rest_server_1.createBodyParserBinding)(body_parsers_1.TextBodyParser, keys_1.RestBindings.REQUEST_BODY_PARSER_TEXT),
(0, rest_server_1.createBodyParserBinding)(body_parsers_1.UrlEncodedBodyParser, keys_1.RestBindings.REQUEST_BODY_PARSER_URLENCODED),
(0, rest_server_1.createBodyParserBinding)(body_parser_raw_1.RawBodyParser, keys_1.RestBindings.REQUEST_BODY_PARSER_RAW),
(0, rest_server_1.createBodyParserBinding)(body_parsers_1.StreamBodyParser, keys_1.RestBindings.REQUEST_BODY_PARSER_STREAM),
(0, core_1.createBindingFromClass)(info_spec_enhancer_1.InfoSpecEnhancer),
(0, core_1.createBindingFromClass)(consolidate_spec_enhancer_1.ConsolidationEnhancer),
...getRestMiddlewareBindings(),
];
this.servers = {
RestServer: rest_server_1.RestServer,
};
// Register the `InvokeMiddleware` with default to `ACTION_MIDDLEWARE_CHAIN`
// to keep backward compatibility with action based sequence
const invokeMiddlewareActionBinding = (0, core_1.createBindingFromClass)(express_1.InvokeMiddlewareProvider, {
key: keys_1.RestBindings.SequenceActions.INVOKE_MIDDLEWARE,
}).tag({ [core_1.CoreTags.EXTENSION_POINT]: keys_1.RestTags.ACTION_MIDDLEWARE_CHAIN });
app.add(invokeMiddlewareActionBinding);
// Register the `InvokeMiddleware` with default to `DEFAULT_MIDDLEWARE_CHAIN`
// for the middleware based sequence
const invokeMiddlewareServiceBinding = (0, core_1.createBindingFromClass)(express_1.InvokeMiddlewareProvider, {
key: keys_1.RestBindings.INVOKE_MIDDLEWARE_SERVICE,
}).tag({ [core_1.CoreTags.EXTENSION_POINT]: keys_1.RestTags.REST_MIDDLEWARE_CHAIN });
app.add(invokeMiddlewareServiceBinding);
const apiSpec = (0, openapi_v3_1.createEmptyApiSpec)();
// Merge the OpenAPI `servers` spec from the config into the empty one
if ((_a = config === null || config === void 0 ? void 0 : config.openApiSpec) === null || _a === void 0 ? void 0 : _a.servers) {
Object.assign(apiSpec, { servers: config.openApiSpec.servers });
}
app.bind(keys_1.RestBindings.API_SPEC).to(apiSpec);
}
};
exports.RestComponent = RestComponent;
exports.RestComponent = RestComponent = tslib_1.__decorate([
tslib_1.__param(0, (0, core_1.inject)(core_1.CoreBindings.APPLICATION_INSTANCE)),
tslib_1.__param(1, (0, core_1.inject)(keys_1.RestBindings.CONFIG)),
tslib_1.__metadata("design:paramtypes", [core_1.Application, Object])
], RestComponent);
function getRestMiddlewareBindings() {
return [
providers_1.SendResponseMiddlewareProvider,
providers_1.FindRouteMiddlewareProvider,
providers_1.ParseParamsMiddlewareProvider,
providers_1.InvokeMethodMiddlewareProvider,
].map(cls => (0, core_1.createBindingFromClass)(cls));
}
function createActionBindings() {
const bindings = [];
const providers = {
[keys_1.RestBindings.SequenceActions.LOG_ERROR.key]: providers_1.LogErrorProvider,
[keys_1.RestBindings.SequenceActions.FIND_ROUTE.key]: providers_1.FindRouteProvider,
[keys_1.RestBindings.SequenceActions.INVOKE_METHOD.key]: providers_1.InvokeMethodProvider,
[keys_1.RestBindings.SequenceActions.REJECT.key]: providers_1.RejectProvider,
[keys_1.RestBindings.SequenceActions.PARSE_PARAMS.key]: providers_1.ParseParamsProvider,
[keys_1.RestBindings.SequenceActions.SEND.key]: providers_1.SendProvider,
};
for (const k in providers) {
bindings.push((0, core_1.createBindingFromClass)(providers[k], { key: k }));
}
return bindings;
}
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