mirror of
https://github.com/186526/handlers.js
synced 2024-10-13 00:29:43 +00:00
format
This commit is contained in:
403
src/router.ts
403
src/router.ts
@ -1,225 +1,238 @@
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import handler from "./handler";
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import handler from './handler';
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import {
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path,
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response,
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request,
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AllMismatchInterrupted,
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responder,
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method,
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} from "./interface/index";
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import { defaultHeaders } from "./interface/response";
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import route from "./route";
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import { methodENUM } from "./interface/method";
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path,
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response,
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request,
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AllMismatchInterrupted,
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responder,
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method,
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} from './interface/index';
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import { defaultHeaders } from './interface/response';
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import route from './route';
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import { methodENUM } from './interface/method';
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import {
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createPlatformAdapater,
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platformAdapaterConstructor,
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platformAdapater,
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} from "./platform/index";
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import { platformAdapaterMapping } from "./platform/export";
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import { platform } from "./lib";
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createPlatformAdapater,
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platformAdapaterConstructor,
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platformAdapater,
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} from './platform/index';
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import { platformAdapaterMapping } from './platform/export';
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import { platform } from './lib';
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export class router<K = any, V = any> {
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public routes: route[];
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public routes: route[];
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public errorResponder: (
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errorCode: number,
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errorMessage?: string
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) => responder<K, V>;
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public errorResponder: (
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errorCode: number,
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errorMessage?: string,
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) => responder<K, V>;
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constructor(routes: route[] = []) {
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this.routes = routes;
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}
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constructor(routes: route[] = []) {
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this.routes = routes;
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}
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add(route: route) {
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this.routes.push(route);
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return this;
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}
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add(route: route) {
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this.routes.push(route);
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return this;
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}
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binding(path: path, handler: handler<K, V>) {
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this.add(new route([path], [handler]));
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return this;
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}
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binding(path: path, handler: handler<K, V>) {
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this.add(new route([path], [handler]));
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return this;
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}
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create(
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method: method,
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responder: (
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request: request<K>
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) =>
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| Promise<response<V>>
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| Promise<string>
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| Promise<object>
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| Promise<number>
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| Promise<void>
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) {
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return new handler<K, V>(method, [
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async (request: request<K>) => {
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const answer = await responder(request);
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if (answer instanceof response) {
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return answer;
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} else if (typeof answer == "string") {
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return new response(answer);
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} else if (typeof answer == "number") {
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return new response(answer.toString());
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} else if (typeof answer == "object") {
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return new response(
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JSON.stringify(answer),
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200,
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new defaultHeaders({
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"Content-Type": "application/json; charset=utf-8",
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})
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);
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} else {
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return new response("", 204);
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}
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},
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]);
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}
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create(
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method: method,
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responder: (
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request: request<K>,
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) =>
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| Promise<response<V>>
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| Promise<string>
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| Promise<object>
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| Promise<number>
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| Promise<void>,
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) {
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return new handler<K, V>(method, [
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async (request: request<K>) => {
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const answer = await responder(request);
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if (answer instanceof response) {
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return answer;
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} else if (typeof answer == 'string') {
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return new response(answer);
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} else if (typeof answer == 'number') {
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return new response(answer.toString());
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} else if (typeof answer == 'object') {
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return new response(
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JSON.stringify(answer),
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200,
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new defaultHeaders({
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'Content-Type': 'application/json; charset=utf-8',
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}),
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);
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} else {
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return new response('', 204);
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}
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},
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]);
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}
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use(routers: router[], path: path): void {
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routers.forEach((router) => {
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this.binding(path, router.toHandler());
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});
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}
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use(routers: router[], path: path): void {
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routers.forEach((router) => {
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this.binding(path, router.toHandler());
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});
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}
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route(path: path): router {
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const Router = new router([]);
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this.use([Router], path);
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return Router;
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}
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route(path: path): router {
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const Router = new router([]);
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this.use([Router], path);
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return Router;
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}
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async _respond(
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request: request<K>,
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responseMessage: response<V> = new response<V>("")
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): Promise<response<V>> {
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request.originURL = request.url;
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request.url.pathname = request.params["0"]
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? "/" + request.params["0"]
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: request.originURL.pathname;
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async _respond(
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request: request<K>,
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responseMessage: response<V> = new response<V>(''),
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): Promise<response<V>> {
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request.originURL = request.url;
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request.url.pathname = request.params['0']
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? '/' + request.params['0']
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: request.originURL.pathname;
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let mismatchCount = 0;
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let mismatchCount = 0;
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for (let route of this.routes) {
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const isMatched = await route.exec(request.url.pathname);
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for (let route of this.routes) {
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const isMatched = await route.exec(request.url.pathname);
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if (!isMatched.matched) {
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mismatchCount++;
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continue;
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}
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if (!isMatched.matched) {
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mismatchCount++;
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continue;
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}
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isMatched.attributes.forEach((e) => {
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request.params[e.name] = e.value;
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});
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isMatched.attributes.forEach((e) => {
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request.params[e.name] = e.value;
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});
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try {
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let thisResponse: response<V> | void = responseMessage;
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for (let handler of route.handlers) {
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if (
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handler.method != request.method &&
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handler.method != methodENUM.ANY
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) {
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continue;
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}
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thisResponse = await handler.respond(
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request,
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thisResponse ?? responseMessage
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);
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}
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if (thisResponse instanceof response) {
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responseMessage = thisResponse;
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} else {
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// means that the handler is a middleware that doesn't change the response
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throw AllMismatchInterrupted;
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}
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} catch (e) {
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if (e instanceof response) {
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throw e;
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}
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if (e === AllMismatchInterrupted) mismatchCount++;
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else {
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if (typeof this.errorResponder == "function") {
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responseMessage =
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(await this.errorResponder(500, e.toString() + "\n")(request)) ??
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new response(e.toString(), 500);
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console.log(e);
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} else {
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throw e;
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}
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}
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}
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}
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try {
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let thisResponse: response<V> | void = responseMessage;
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for (let handler of route.handlers) {
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if (
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handler.method != request.method &&
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handler.method != methodENUM.ANY
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) {
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continue;
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}
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thisResponse = await handler.respond(
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request,
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thisResponse ?? responseMessage,
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);
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}
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if (thisResponse instanceof response) {
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responseMessage = thisResponse;
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} else {
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// means that the handler is a middleware that doesn't change the response
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throw AllMismatchInterrupted;
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}
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} catch (e) {
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if (e instanceof response) {
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throw e;
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}
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if (e === AllMismatchInterrupted) mismatchCount++;
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else {
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if (typeof this.errorResponder == 'function') {
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responseMessage =
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(await this.errorResponder(
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500,
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e.toString() + '\n',
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)(request)) ?? new response(e.toString(), 500);
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console.log(e);
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} else {
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throw e;
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}
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}
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}
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}
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if (mismatchCount == this.routes.length) {
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throw AllMismatchInterrupted;
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}
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if (mismatchCount == this.routes.length) {
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throw AllMismatchInterrupted;
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}
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return responseMessage;
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}
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return responseMessage;
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}
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public respond = this._respond;
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public respond = this._respond;
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toHandler(): handler<K, V> {
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return new handler(methodENUM.ANY, [
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(request: request<K>, responseMessage?: response<V>) => {
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return this.respond(request, responseMessage ?? new response(""));
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},
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]);
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}
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toHandler(): handler<K, V> {
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return new handler(methodENUM.ANY, [
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(request: request<K>, responseMessage?: response<V>) => {
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return this.respond(
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request,
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responseMessage ?? new response(''),
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);
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},
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]);
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}
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useErrorResponder(
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errorResponder: (
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errorCode: number,
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errorMessage?: string
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) => responder<K, V>
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): this {
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this.errorResponder = errorResponder;
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return this;
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}
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useErrorResponder(
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errorResponder: (
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errorCode: number,
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errorMessage?: string,
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) => responder<K, V>,
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): this {
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this.errorResponder = errorResponder;
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return this;
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}
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}
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export default router;
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export class rootRouter<K = any, V = any> extends router<K, V> {
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public adapater: platformAdapater<K, V>;
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errorResponder =
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(errorCode: number, errorMessage?: string) =>
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async (_request: request<K>): Promise<response<V>> =>
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new response(errorMessage ?? "", errorCode);
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public adapater: platformAdapater<K, V>;
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errorResponder =
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(errorCode: number, errorMessage?: string) =>
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async (_request: request<K>): Promise<response<V>> =>
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new response(errorMessage ?? '', errorCode);
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respond = async (request: request<K>): Promise<response<V>> => {
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let responseMessage: response<V> = new response("");
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try {
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responseMessage = await this._respond(request, responseMessage);
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} catch (e) {
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if (e instanceof response) {
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return e;
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} else if (e === AllMismatchInterrupted) {
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responseMessage =
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(await this.errorResponder(404, "404 Not Found\n")(request)) ??
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new response("404 Not Found\n", 404);
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} else {
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responseMessage =
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(await this.errorResponder(500, e.toString() + "\n")(request)) ??
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new response(e.toString(), 500);
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console.log(e);
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}
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}
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respond = async (request: request<K>): Promise<response<V>> => {
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let responseMessage: response<V> = new response('');
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try {
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responseMessage = await this._respond(request, responseMessage);
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} catch (e) {
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if (e instanceof response) {
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return e;
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} else if (e === AllMismatchInterrupted) {
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responseMessage =
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(await this.errorResponder(
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404,
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'404 Not Found\n',
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)(request)) ?? new response('404 Not Found\n', 404);
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} else {
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responseMessage =
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(await this.errorResponder(
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500,
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e.toString() + '\n',
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)(request)) ?? new response(e.toString(), 500);
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console.log(e);
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}
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}
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return responseMessage;
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};
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useAdapater(adapater: platformAdapaterConstructor): this {
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this.adapater = createPlatformAdapater(adapater, this);
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return this;
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}
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useMappingAdapter(
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mapping: { [platform: string]: platformAdapaterConstructor } = platformAdapaterMapping
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): this {
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if (typeof platform == "undefined") throw new Error("Cannot detect platform");
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if (mapping[platform] == undefined) throw new Error("Platform not found in mapping");
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else this.useAdapater(mapping[platform]);
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return this;
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}
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listen(port: number): void {
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if (this.adapater == null) throw new Error("No platform adapter set");
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this.adapater.listen(port);
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}
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return responseMessage;
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};
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useAdapater(adapater: platformAdapaterConstructor): this {
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this.adapater = createPlatformAdapater(adapater, this);
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return this;
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}
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useMappingAdapter(
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mapping: {
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[platform: string]: platformAdapaterConstructor;
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} = platformAdapaterMapping,
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): this {
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if (typeof platform == 'undefined')
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throw new Error('Cannot detect platform');
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if (mapping[platform] == undefined)
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throw new Error('Platform not found in mapping');
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else this.useAdapater(mapping[platform]);
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return this;
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}
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listen(port: number): void {
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if (this.adapater == null) throw new Error('No platform adapter set');
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this.adapater.listen(port);
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}
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}
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