路由匹配模式增加严格匹配选项

src/router.ts

@@ -23,6 +23,14 @@ interface IKoaRouterTypeParser {
 
 type KoaRouterDefaultTypes = "int" | "boolean";
 
+/**
+ * 路由注册选项
+ */
+interface IKoaRouterRegisterOptions {
+	/** 是否严格匹配，默认true */
+	strict?: boolean
+}
+
 export interface IKoaRouterOptions {
 	/** 前缀 */
 	prefix?: string;
@@ -92,8 +100,23 @@ export class KoaRouter {
 	 * @param method 路由方法
 	 * @param pathname 路由路径
 	 * @param middleware 路由中间件
+	 * @param option 路由注册选项
 	 */
-	public register(method: KoaRouterMethods[], pathname: string, middleware: Middleware): void {
+	public register(method: KoaRouterMethods[], pathname: string, middleware: Middleware): void
+	public register(method: KoaRouterMethods[], pathname: string, option: IKoaRouterRegisterOptions, middleware: Middleware): void
+	public register(method: KoaRouterMethods[], pathname: string, _middleware: Middleware | IKoaRouterRegisterOptions, _option?: Middleware | IKoaRouterRegisterOptions): void {
+		//参数处理
+		let middleware: Middleware;
+		let option: IKoaRouterRegisterOptions | undefined = undefined;
+
+		if (_option) {
+			option = _middleware as IKoaRouterRegisterOptions;
+			middleware = _option as Middleware;
+		}
+		else {
+			middleware = _middleware as Middleware;
+		}
+
 		//处理路径参数
 		const prefix = this.#option.prefix?.replace(/\/+$/, "") ?? "";
 		pathname = prefix + (pathname[0] == "/" ? pathname : `/${pathname}`);
@@ -126,8 +149,14 @@ export class KoaRouter {
 			offset = match.index + match[0].length;
 		}
 
-		//得到正则表达式
-		const regexpStr = "^" + regexpItems.join("") + pathname.slice(offset) + "$";
+		//基础正则表达式
+		let regexpStr = "^" + regexpItems.join("") + pathname.slice(offset);
+
+		//严格模式
+		if (option?.strict) regexpStr += "$";
+		else regexpStr += "\b";
+
+		//生成正则表达式
 		const regexp = new RegExp(regexpStr);
 
 		//注册路由
@@ -139,42 +168,66 @@ export class KoaRouter {
 	 * @param pathname 路由路径
 	 * @param middleware 路由中间件
 	 */
-	public get(pathname: string, middleware: Middleware) { this.register(["get"], pathname, middleware); }
+	public get(pathname: string, middleware: Middleware): void
+	public get(pathname: string, option: IKoaRouterRegisterOptions, middleware: Middleware): void
+	public get(pathname: string, middleware: Middleware | IKoaRouterRegisterOptions, option?: Middleware) {
+		this.register(["get"], pathname, middleware as IKoaRouterRegisterOptions, option as Middleware);
+	}
 
 	/**
 	 * 注册POST路由
 	 * @param pathname 路由路径
 	 * @param middleware 路由中间件
 	 */
-	public post(pathname: string, middleware: Middleware) { this.register(["post"], pathname, middleware); }
+	public post(pathname: string, middleware: Middleware): void
+	public post(pathname: string, option: IKoaRouterRegisterOptions, middleware: Middleware): void
+	public post(pathname: string, middleware: Middleware | IKoaRouterRegisterOptions, option?: Middleware) {
+		this.register(["post"], pathname, middleware as IKoaRouterRegisterOptions, option as Middleware);
+	}
 
 	/**
 	 * 注册PUT路由
 	 * @param pathname 路由路径
 	 * @param middleware 路由中间件
 	 */
-	public put(pathname: string, middleware: Middleware) { this.register(["put"], pathname, middleware); }
+	public put(pathname: string, middleware: Middleware): void
+	public put(pathname: string, option: IKoaRouterRegisterOptions, middleware: Middleware): void
+	public put(pathname: string, middleware: Middleware | IKoaRouterRegisterOptions, option?: Middleware) {
+		this.register(["put"], pathname, middleware as IKoaRouterRegisterOptions, option as Middleware);
+	}
 
 	/**
 	 * 注册DELETE路由
 	 * @param pathname 路由路径
 	 * @param middleware 路由中间件
 	 */
-	public delete(pathname: string, middleware: Middleware) { this.register(["delete"], pathname, middleware); }
+	public delete(pathname: string, middleware: Middleware): void
+	public delete(pathname: string, option: IKoaRouterRegisterOptions, middleware: Middleware): void
+	public delete(pathname: string, middleware: Middleware | IKoaRouterRegisterOptions, option?: Middleware) {
+		this.register(["delete"], pathname, middleware as IKoaRouterRegisterOptions, option as Middleware);
+	}
 
 	/**
 	 * 注册PATCH路由
 	 * @param pathname 路由路径
 	 * @param middleware 路由中间件
 	 */
-	public patch(pathname: string, middleware: Middleware) { this.register(["patch"], pathname, middleware); }
+	public patch(pathname: string, middleware: Middleware): void
+	public patch(pathname: string, option: IKoaRouterRegisterOptions, middleware: Middleware): void
+	public patch(pathname: string, middleware: Middleware | IKoaRouterRegisterOptions, option?: Middleware) {
+		this.register(["patch"], pathname, middleware as IKoaRouterRegisterOptions, option as Middleware);
+	}
 
 	/**
 	 * 注册所有路由方法
 	 * @param pathname 路由路径
 	 * @param middleware 路由中间件
 	 */
-	public all(pathname: string, middleware: Middleware) { this.register(["get", "post", "put", "delete", "patch"], pathname, middleware); }
+	public all(pathname: string, middleware: Middleware): void
+	public all(pathname: string, option: IKoaRouterRegisterOptions, middleware: Middleware): void
+	public all(pathname: string, middleware: Middleware | IKoaRouterRegisterOptions, option?: Middleware) {
+		this.register(["get", "post", "put", "delete", "patch"], pathname, middleware as IKoaRouterRegisterOptions, option as Middleware);
+	}
 
 	/** 路由匹配中间件 */
 	public callback(): Middleware {