naily/decorator/errors.decorator.js

写了一个没有模块系统的 Minimal Nest.js 写着玩的～

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.UseFilter = exports.Catch = void 0;
require("reflect-metadata");
const main_1 = require("../main");
const http_decorator_1 = require("./http.decorator");
const Catch = (exception) => {
    return (target) => {
        Reflect.defineMetadata("catch_filter", exception, target);
    };
};
exports.Catch = Catch;
const UseFilter = (filter) => {
    return (target, methodName, desc) => {
        const data = Reflect.getMetadata("catch_filter", filter);
        if (!data) {
            Reflect.defineMetadata(http_decorator_1.HTTP_KEY.UnknownErrorFilter, {
                filter: new filter(),
                fn: desc.value,
                parameter: data,
            }, desc.value);
        }
        else if (data instanceof main_1.HttpException) {
            Reflect.defineMetadata(http_decorator_1.HTTP_KEY.ExceptionFilter, {
                filter: new filter(),
                fn: desc.value,
                parameter: data,
            }, desc.value);
        }
    };
};
exports.UseFilter = UseFilter;
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