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SimpleFilter

A filter framework.

Цей скрипт не слід встановлювати безпосередньо. Це - бібліотека для інших скриптів для включення в мета директиву // @require https://update.greasyfork.org/scripts/441383/1027327/SimpleFilter.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

🚀 安装遇到问题?关注公众号获取帮助

公众号二维码

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回复【脚本】获取最新教程和防失联地址

// ==UserScript==
// @name         SimpleFilter
// @namespace    ckylin-script-lib-filter-processor
// @version      1.0
// @match        http://*
// @match        https://*
// @author       CKylinMC
// @license      GPLv3 License
// @grant        none
// ==/UserScript==

class SimpleFilter{
	static debug = true;
	static log = (...args)=>SimpleFilter.debug&&SimpleFilter.logger(...args);
	constructor(filterObj){
		if(!SimpleFilter.verify(filterObj)) {
			throw new Error("filter is invalid, turn on debug mode to see the details.");
		}
		this.filterObj = filterObj;
		this.datas = null;
	}
	static logger(...args){
		console.log("[Filter]",...args);
	}
	static async $and(...conditions){
		for(const condition of conditions){
			if(condition instanceof Promise){
				if(!(await condition)) return false;
			}
			if(!condition) return false;
		}
		return true;
	}
	static async $or(...conditions){
		for(const condition of conditions){
			if(condition instanceof Promise){
				if(await condition) return false;
			}
			if(condition) return true;
		}
		return false;
	}
	static verify(obj, depth=0, isroot=true){
		SimpleFilter.log('-'.repeat(depth+1)+'>','start validate',obj);
		if(Array.isArray(obj)){
			SimpleFilter.log('-'.repeat(depth+1)+'>','type: arr',obj);
			for(const item of obj){
				if(!SimpleFilter.verify(item, depth+1, false)) return (SimpleFilter.log('-'.repeat(depth+1)+'>','[ERR]','array validator not passed for',item),false);
			}
		}else if(typeof(obj)=='function') return (SimpleFilter.log('-'.repeat(depth+1)+'>','[OK]','passed due to function type',obj),true);
		else{
			SimpleFilter.log('-'.repeat(depth+1)+'>','type: logic selector',obj);
			const keys = Object.keys(obj);
			if(isroot&&keys.length!==1) return (SimpleFilter.log('-'.repeat(depth+1)+'>','[ERR]','subkey length validator not passed for', keys), false);
			for(const k of keys){
				if(["$and","$or"].includes(k.toLowerCase())){
					if(!SimpleFilter.verify(obj[k], depth+1, false)) return (SimpleFilter.log('-'.repeat(depth+1)+'>','[ERR]','value validator not passed for', k), false);
				}else return (SimpleFilter.log('-'.repeat(depth+1)+'>','[ERR]','key validator not passed for', k),false);
			}
		}
		SimpleFilter.log('-'.repeat(depth+1)+'>','[OK]','passed',obj);
		return true;
	}
	async applyFilterToAll(datas=[]){
		try{
			let pool = datas.map(data=>this.applyFilterTo(data));
			return Promise.all(pool);
		}catch(e){
			return null;
		}
	}
	async applyFilterTo(data=null){
		if(!SimpleFilter.verify(this.filterObj)) return false;
		this.data = data;
		try{
			return await this.applyFilter(this.filterObj);
		}
		catch(e){
			SimpleFilter.log('[ERR]',e);
			return false;
		}
		finally{
			this.data = null;
		}
	}
	async applyFilter(obj, mode = '$and'){
		if(Array.isArray(obj)){
			for(const item of obj){
				return this.applyFilter(item);
			}
		}else if(typeof(obj)=='function'){
			if(obj.constructor.name=='AsyncFunction'){
				try{
					return !!(await obj(this.data));
				}catch(e){
					SimpleFilter.log('[ERR]',e);
					return false;
				}
			}else{
				try{
					return !!obj(this.data);
				}catch(e){
					SimpleFilter.log('[ERR]',e);
					return false;
				}
			}
		}else{
			const keys = Object.keys(obj);
			try{
				return await SimpleFilter[mode](...keys.map(async k=>{
					return await this.applyFilter(obj[k],k);
				}));
			}catch(e){
				SimpleFilter.log('[ERR]',e);
				return false;
			}
		}
	}
}