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mod.ts
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mod.ts
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import { MetadataArgsStorage } from "./metadata/metadata.ts";
import { HTTPOptions, serve, Server } from "./deps.ts";
import { StaticFilesConfig } from "./models/static-config.ts";
import { ViewRenderConfig } from "./models/view-render-config.ts";
import { CorsBuilder } from "./middlewares/cors-builder.ts";
import { RouteMetadata } from "./metadata/route.ts";
import { registerAreas } from "./utils/register-areas.ts";
import { registerControllers } from "./utils/register-controllers.ts";
import { IMiddleware } from "./models/middleware-target.ts";
import {
TransformConfig,
TransformConfigMap,
} from "./models/transform-config.ts";
import { Context } from "./models/context.ts";
import { AppSettings } from "./models/app-settings.ts";
import { container as defaultContainer } from "./injection/index.ts";
import { MiddlewareMetadataArgs } from "./metadata/middleware.ts";
import { registerAppProviders } from "./utils/register-providers.ts";
import { handleFullServer, handleLiteServer } from "./server/handle-request.ts";
export type ObjectKeyAny = { [key: string]: any };
const global: ObjectKeyAny = {};
export function getMetadataArgsStorage<TState>(): MetadataArgsStorage<TState> {
if (!(global as any).routingControllersMetadataArgsStorage) {
(global as any).routingControllersMetadataArgsStorage =
new MetadataArgsStorage();
}
return (global as any).routingControllersMetadataArgsStorage;
}
export function clearMetadataArgsStorage(): void {
if ((global as any).routingControllersMetadataArgsStorage) {
(global as any).routingControllersMetadataArgsStorage = null;
}
}
export function getViewRenderConfig(): ViewRenderConfig {
return (global as any).viewRenderConfig;
}
export class App<TState> {
public get staticConfig(): StaticFilesConfig | undefined {
return this._staticConfig;
}
private _staticConfig?: StaticFilesConfig;
public get transformConfigMap(): TransformConfigMap | undefined {
return this._transformConfigMap;
}
public _transformConfigMap?: TransformConfigMap;
public get globalErrorHandler():
| ((ctx: Context<TState>, error: Error) => void)
| undefined {
return this._globalErrorHandler;
}
private _globalErrorHandler?: (ctx: Context<TState>, error: Error) => void;
public get routes(): RouteMetadata[] {
return this._routes;
}
private _routes: RouteMetadata[] = [];
private readonly metadata: MetadataArgsStorage<TState>;
private classes: ObjectKeyAny[] = [];
private viewRenderConfig: ViewRenderConfig | undefined = undefined;
private server: Server | undefined = undefined;
constructor(private readonly settings: AppSettings) {
this.metadata = getMetadataArgsStorage();
this.metadata.container = settings.container || defaultContainer;
this.sortMiddlewares(settings);
registerAppProviders(settings, this.metadata.container);
registerAreas(this.metadata);
registerControllers(
this.metadata,
this.classes,
(route) => this._routes.push(route),
settings.logging,
);
this.useStatic(settings.staticConfig);
this.useViewRender(settings.viewRenderConfig);
}
// Sort middlewares by app settings
private sortMiddlewares(settings: AppSettings) {
if (settings.middlewares) {
let middlewares: MiddlewareMetadataArgs<TState>[] = [];
for (let middleware of settings.middlewares) {
middlewares.push(
this.metadata.middlewares.find((m) =>
m.object === middleware
) as MiddlewareMetadataArgs<TState>,
);
}
this.metadata.middlewares = middlewares;
}
}
async listen(address: string | HTTPOptions = ":8000"): Promise<Server> {
const server: Server = serve(address);
this.server = server;
console.log("Server start in", address);
if (this.isRunFullServer()) {
await handleFullServer(server, this.metadata, this);
} else {
await handleLiteServer(server, this);
}
return server;
}
private isRunFullServer(): boolean {
return !!(this.metadata.hooks.length > 0 ||
this.metadata.middlewares.length > 0 ||
this.settings.providers && this.settings.providers.length > 0 ||
this.settings.container);
}
public close(): void {
if (this.server) {
this.server.close();
} else {
console.warn("Server is not listening");
}
}
public useStatic(config?: StaticFilesConfig): void {
if (config && !this._staticConfig) {
this._staticConfig = config;
}
}
public useViewRender(config?: ViewRenderConfig): void {
if (config && !this.viewRenderConfig) {
this.viewRenderConfig = config;
(global as any).viewRenderConfig = config;
}
}
public useTransform(transform: TransformConfig): void {
if (!this._transformConfigMap) {
this._transformConfigMap = new Map();
}
this._transformConfigMap.set(transform.type, transform);
}
/**
* Deprecate
*/
public useCors(builder: CorsBuilder<TState>): void {
this.metadata.middlewares.push({
type: "middleware",
target: builder,
object: builder,
route: /\//,
});
}
public use(route: RegExp, middleware: IMiddleware<TState>): void {
this.metadata.middlewares.push({
type: "middleware",
target: middleware,
object: middleware,
route,
});
}
/**
* Create one global error handler
*/
public error(
globalErrorHandler: (ctx: Context<TState>, error: Error) => void,
): void {
this._globalErrorHandler = globalErrorHandler;
}
}