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// Copyright 2020-2020 The Mandarine.TS Framework authors. All rights reserved. MIT license.
import { Reflect } from "../reflectMetadata.ts";
export class ReflectUtils {        public static getClassName(target: any): string {        let className:string = target.constructor.name;        if(className === "Function") return target.name;        return className;    }
    public static getParamNames(method: any): Array<string> {        let STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;        let ARGUMENT_NAMES = /([^\s,]+)/g;
        var fnStr = method.toString().replace(STRIP_COMMENTS, '');        var result = fnStr.slice(fnStr.indexOf('(')+1, fnStr.indexOf(')')).match(ARGUMENT_NAMES);
        if(result === null)            result = [];        return result;    }
    public static getMethodsFromClass(objClass: any): Array<string> {        try {            return Object.getOwnPropertyNames(objClass.prototype).filter(methodName => methodName != "constructor");        } catch(error) {            return Object.getOwnPropertyNames(Object.getPrototypeOf(objClass)).filter(methodName => methodName != "constructor");        }    }
    public static checkClassInitialized(objClass: any): boolean {        try {            new objClass();        } catch(error) {            return true;        }        return false;    }
    public static constructorHasParameters(objClass: any): boolean {        return Reflect.getMetadata("design:paramtypes", objClass) != undefined;    }
    public static makeEvalContext(...declarations: Array<any>)    {        declarations?.forEach((declaration) => {            eval(declaration);        });        return (expression: string) => { return eval(expression); }    }}