@tsed/cli/lib/esm/templates/interceptor.template.js

CLI to bootstrap your Ts.ED project

import { defineTemplate } from "../utils/defineTemplate.js";
export default defineTemplate({
    id: "interceptor",
    label: "Interceptor",
    description: "Create an interceptor class that can transform requests/responses in src/interceptors.",
    fileName: "{{symbolName}}.interceptor",
    outputDir: "{{srcDir}}/interceptors",
    render(symbolName) {
        return `import {InterceptorMethods, InterceptorContext, InterceptorMethods, Interceptor} from "@tsed/di";

@Interceptor()
export class ${symbolName} implements InterceptorMethods {
  /**
   * ctx: The context that holds the dynamic data related to the method execution and the proceed method
   * to proceed with the original method execution
   *
   * opts: Static params that can be provided when the interceptor is attached to a specific method
   */
  async intercept(context: InterceptorContext<any>, next: InterceptorMethods) {
    console.log(\`the method \${context.propertyKey} will be executed with args \${context.args} and static data \${context.options}\`);
    // let the original method by calling next function
    const result = await next();

    console.log(\`the method was executed, and returned \${result}\`);

    // must return the returned value back to the caller
    return result;
  }
}
`;
    }
});