@medusajs/framework
Version:
179 lines • 8.83 kB
JavaScript
;
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
if (kind === "m") throw new TypeError("Private method is not writable");
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var _MiddlewareFileLoader_instances, _MiddlewareFileLoader_errorHandler, _MiddlewareFileLoader_middleware, _MiddlewareFileLoader_additionalDataValidatorRoutes, _MiddlewareFileLoader_bodyParserConfigRoutes, _MiddlewareFileLoader_processMiddlewareFile;
Object.defineProperty(exports, "__esModule", { value: true });
exports.MiddlewareFileLoader = void 0;
const zod_1 = __importDefault(require("zod"));
const path_1 = require("path");
const utils_1 = require("@medusajs/utils");
const logger_1 = require("../logger");
const types_1 = require("./types");
/**
* File name that is used to indicate that the file is a middleware file
*/
const MIDDLEWARE_FILE_NAME = "middlewares";
/**
* Exposes the API to scan a directory and load the `middleware.ts` file. This file contains
* the configuration for certain global middlewares and core routes validators. Also, it may
* contain custom middlewares.
*/
class MiddlewareFileLoader {
constructor() {
_MiddlewareFileLoader_instances.add(this);
/**
* Global error handler exported from the middleware file loader
*/
_MiddlewareFileLoader_errorHandler.set(this, void 0);
/**
* Middleware collected manually or by scanning directories
*/
_MiddlewareFileLoader_middleware.set(this, []
/**
* Route matchers on which a custom additional data validator is
* defined
*/
);
/**
* Route matchers on which a custom additional data validator is
* defined
*/
_MiddlewareFileLoader_additionalDataValidatorRoutes.set(this, []
/**
* Route matchers on which a custom body parser config is used
*/
);
/**
* Route matchers on which a custom body parser config is used
*/
_MiddlewareFileLoader_bodyParserConfigRoutes.set(this, []
/**
* Processes the middleware file and returns the middleware and the
* routes config exported by it.
*/
);
}
/**
* Scans a given directory for the "middleware.ts" or "middleware.js" files and
* imports them for reading the registered middleware and configuration for
* existing routes/middleware.
*/
async scanDir(sourceDir) {
const fs = new utils_1.FileSystem(sourceDir);
if (await fs.exists(`${MIDDLEWARE_FILE_NAME}.ts`)) {
await __classPrivateFieldGet(this, _MiddlewareFileLoader_instances, "m", _MiddlewareFileLoader_processMiddlewareFile).call(this, (0, path_1.join)(sourceDir, `${MIDDLEWARE_FILE_NAME}.ts`));
}
else if (await fs.exists(`${MIDDLEWARE_FILE_NAME}.js`)) {
await __classPrivateFieldGet(this, _MiddlewareFileLoader_instances, "m", _MiddlewareFileLoader_processMiddlewareFile).call(this, (0, path_1.join)(sourceDir, `${MIDDLEWARE_FILE_NAME}.js`));
}
}
/**
* Returns the globally registered error handler (if any)
*/
getErrorHandler() {
return __classPrivateFieldGet(this, _MiddlewareFileLoader_errorHandler, "f");
}
/**
* Returns a collection of registered middleware
*/
getMiddlewares() {
return __classPrivateFieldGet(this, _MiddlewareFileLoader_middleware, "f");
}
/**
* Returns routes that have bodyparser config on them
*/
getBodyParserConfigRoutes() {
return __classPrivateFieldGet(this, _MiddlewareFileLoader_bodyParserConfigRoutes, "f");
}
/**
* Returns routes that have additional validator configured
* on them
*/
getAdditionalDataValidatorRoutes() {
return __classPrivateFieldGet(this, _MiddlewareFileLoader_additionalDataValidatorRoutes, "f");
}
}
exports.MiddlewareFileLoader = MiddlewareFileLoader;
_MiddlewareFileLoader_errorHandler = new WeakMap(), _MiddlewareFileLoader_middleware = new WeakMap(), _MiddlewareFileLoader_additionalDataValidatorRoutes = new WeakMap(), _MiddlewareFileLoader_bodyParserConfigRoutes = new WeakMap(), _MiddlewareFileLoader_instances = new WeakSet(), _MiddlewareFileLoader_processMiddlewareFile =
/**
* Processes the middleware file and returns the middleware and the
* routes config exported by it.
*/
async function _MiddlewareFileLoader_processMiddlewareFile(absolutePath) {
const middlewareExports = await (0, utils_1.dynamicImport)(absolutePath);
const middlewareConfig = middlewareExports.default;
if (!middlewareConfig) {
logger_1.logger.warn(`No middleware configuration found in ${absolutePath}. Skipping middleware configuration.`);
return;
}
const routes = middlewareConfig.routes;
if (!routes || !Array.isArray(routes)) {
logger_1.logger.warn(`Invalid default export found in ${absolutePath}. Make sure to use "defineMiddlewares" function and export its output.`);
return;
}
const result = routes.reduce((result, route) => {
if (!route.matcher) {
throw new Error(`Middleware is missing a \`matcher\` field. The 'matcher' field is required when applying middleware. ${JSON.stringify(route, null, 2)}`);
}
const matcher = String(route.matcher);
if (route.bodyParser !== undefined) {
let methods = route.methods || [...types_1.HTTP_METHODS];
if (methods.includes("ALL")) {
methods = [...types_1.HTTP_METHODS];
}
logger_1.logger.debug(`using custom bodyparser config on matcher ${methods}:${route.matcher}`);
result.bodyParserConfigRoutes.push({
matcher: matcher,
methods,
config: route.bodyParser,
});
}
if (route.additionalDataValidator !== undefined) {
let methods = route.methods || [...types_1.HTTP_METHODS];
if (methods.includes("ALL")) {
methods = [...types_1.HTTP_METHODS];
}
logger_1.logger.debug(`assigning additionalData validator on matcher ${methods}:${route.matcher}`);
result.additionalDataValidatorRoutes.push({
matcher: matcher,
methods,
schema: route.additionalDataValidator,
validator: zod_1.default.object(route.additionalDataValidator).nullish(),
});
}
if (route.middlewares) {
route.middlewares.forEach((middleware) => {
result.middleware.push({
handler: middleware,
matcher: matcher,
methods: route.methods,
});
});
}
return result;
}, {
bodyParserConfigRoutes: [],
additionalDataValidatorRoutes: [],
middleware: [],
});
const errorHandler = middlewareConfig.errorHandler;
if (errorHandler) {
__classPrivateFieldSet(this, _MiddlewareFileLoader_errorHandler, errorHandler, "f");
}
__classPrivateFieldSet(this, _MiddlewareFileLoader_middleware, __classPrivateFieldGet(this, _MiddlewareFileLoader_middleware, "f").concat(result.middleware), "f");
__classPrivateFieldSet(this, _MiddlewareFileLoader_bodyParserConfigRoutes, __classPrivateFieldGet(this, _MiddlewareFileLoader_bodyParserConfigRoutes, "f").concat(result.bodyParserConfigRoutes), "f");
__classPrivateFieldSet(this, _MiddlewareFileLoader_additionalDataValidatorRoutes, __classPrivateFieldGet(this, _MiddlewareFileLoader_additionalDataValidatorRoutes, "f").concat(result.additionalDataValidatorRoutes), "f");
};
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