cds-routing-handlers
Version:
Package to route and implement CDS handlers via a class based approach in Typescript.
130 lines • 6.12 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
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var __exportStar = (this && this.__exportStar) || function(m, exports) {
for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createCombinedHandler = exports.getMetadataArgsStorage = void 0;
var path = __importStar(require("path"));
var CDSHandler_1 = require("./CDSHandler");
var MetadataArgsStorage_1 = require("./metadata-builder/MetadataArgsStorage");
__exportStar(require("./container"), exports);
__exportStar(require("./decorators/class/options/IMiddlewareOptions"), exports);
__exportStar(require("./decorators/class/Handler"), exports);
__exportStar(require("./decorators/class/Use"), exports);
__exportStar(require("./decorators/class/Middleware"), exports);
__exportStar(require("./decorators/class/UserChecker"), exports);
__exportStar(require("./decorators/method/Create"), exports);
__exportStar(require("./decorators/method/Read"), exports);
__exportStar(require("./decorators/method/Update"), exports);
__exportStar(require("./decorators/method/Delete"), exports);
__exportStar(require("./decorators/method/Reject"), exports);
__exportStar(require("./decorators/method/Func"), exports);
__exportStar(require("./decorators/method/Action"), exports);
__exportStar(require("./decorators/param/Srv"), exports);
__exportStar(require("./decorators/param/Req"), exports);
__exportStar(require("./decorators/param/ParamObj"), exports);
__exportStar(require("./decorators/param/Param"), exports);
__exportStar(require("./decorators/param/Jwt"), exports);
__exportStar(require("./decorators/param/Entities"), exports);
__exportStar(require("./decorators/param/Data"), exports);
__exportStar(require("./decorators/param/Next"), exports);
__exportStar(require("./decorators/param/Locale"), exports);
__exportStar(require("./decorators/param/User"), exports);
__exportStar(require("./types/ODataOperation"), exports);
__exportStar(require("./types/ICdsMiddleware"), exports);
__exportStar(require("./types/IUserChecker"), exports);
__exportStar(require("./types/ICdsRoutingHandlerOptions"), exports);
__exportStar(require("./types/MiddlewareRuntime"), exports);
/**
* Returns the metadata arguments storage.
*
* @export
* @returns {MetadataArgsStorage} Metadata arguments storage
*/
function getMetadataArgsStorage() {
if (!global.cdsHandlersMetadataArgsStorage)
global.cdsHandlersMetadataArgsStorage = new MetadataArgsStorage_1.MetadataArgsStorage();
return global.cdsHandlersMetadataArgsStorage;
}
exports.getMetadataArgsStorage = getMetadataArgsStorage;
/**
* Imports decorated classes from directories.
*
* @param {string[]} directories Directories to search in
* @param {string} [formats=[".js", ".ts"]] Formats to import classes from
* @returns {Function[]} Imported classes
*/
function importClassesFromDirectories(directories, formats) {
if (formats === void 0) { formats = [".js", ".ts"]; }
var loadFileClasses = function (exported, allLoaded) {
if (exported instanceof Function) {
allLoaded.push(exported);
}
else if (exported instanceof Array) {
exported.forEach(function (i) { return loadFileClasses(i, allLoaded); });
}
else if (exported instanceof Object || typeof exported === "object") {
Object.keys(exported).forEach(function (key) { return loadFileClasses(exported[key], allLoaded); });
}
return allLoaded;
};
var allFiles = directories.reduce(function (allDirs, dir) {
return allDirs.concat(require("glob").sync(path.normalize(dir)));
}, []);
var dirs = allFiles
.filter(function (file) {
var dtsExtension = file.substring(file.length - 5, file.length);
return formats.indexOf(path.extname(file)) !== -1 && dtsExtension !== ".d.ts";
})
.map(function (file) {
return require(file);
});
return loadFileClasses(dirs, []);
}
/**
* Create combined handler.
*
* @export
* @param {(Function[] | string[])} handlers Handlers; either classes directly or the directories where the handlers reside
* @returns {(srv: any) => void} Function that is used to register all endpoints
*/
function createCombinedHandler(options) {
return function (srv) {
if (!(srv.before && srv.on && srv.after)) {
console.error("Service (srv) parameter does not seem to be a CDS service implementation");
return;
}
var handlerClasses;
if (options.handler && options.handler.length) {
handlerClasses = options.handler.filter(function (controller) { return controller instanceof Function; });
var handlerDirs = options.handler.filter(function (controller) { return typeof controller === "string"; });
handlerClasses.push.apply(handlerClasses, importClassesFromDirectories(handlerDirs));
CDSHandler_1.CDSHandler.register(srv, {
handler: handlerClasses,
middlewares: options.middlewares,
userChecker: options.userChecker,
});
}
};
}
exports.createCombinedHandler = createCombinedHandler;
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