'use strict';Object.defineProperty(exports,Symbol.toStringTag,{value:'Module'});const processLine=require('../../_virtual/process-line.cjs'),require$$0=require('node:stream/web');var hasRequiredProcessLine;

function requireProcessLine () {
	if (hasRequiredProcessLine) return processLine.__exports;
	hasRequiredProcessLine = 1;
	(function (exports) {
		Object.defineProperty(exports, "__esModule", {
		    value: true
		});
		function _export(target, all) {
		    for(var name in all)Object.defineProperty(target, name, {
		        enumerable: true,
		        get: all[name]
		    });
		}
		_export(exports, {
		    ProcessLineStream: function() {
		        return ProcessLineStream;
		    },
		    processLine: function() {
		        return processLine;
		    }
		});
		const _web = require$$0;
		function processLine(line) {
		    const trimmed = line.trim();
		    if (trimmed.length === 0) {
		        return null;
		    }
		    const line_0 = trimmed.charCodeAt(0);
		    if (// line_0 === 32 /** [space] */
		    // || line_0 === 13 /** \r */
		    // || line_0 === 10 /** \n */
		    line_0 === 33 /** ! */  || line_0 === 47 /** / */  && trimmed.charCodeAt(1) === 47 /** / */ ) {
		        return null;
		    }
		    if (line_0 === 35 /** # */ ) {
		        if (trimmed.charCodeAt(1) !== 35 /** # */ ) {
		            // # Comment
		            return null;
		        }
		        if (trimmed.charCodeAt(2) === 35 /** # */  && trimmed.charCodeAt(3) === 35) {
		            // ################## EOF ##################
		            return null;
		        }
		    /**
		     * AdGuard Filter can be:
		     *
		     * ##.class
		     * ##tag.class
		     * ###id
		     */ }
		    return trimmed;
		}
		class ProcessLineStream extends _web.TransformStream {
		    // private __buf = '';
		    constructor(){
		        super({
		            transform (l, controller) {
		                const line = processLine(l);
		                if (line) {
		                    controller.enqueue(line);
		                }
		            }
		        });
		    }
		} // export class ProcessLineNodeStream extends Transform {
		 //   _transform(chunk: string, encoding: BufferEncoding, callback: TransformCallback) {
		 //     // Convert chunk to string and then to uppercase
		 //     const upperCased = chunk.toUpperCase();
		 //     // Push transformed data to readable side
		 //     this.push(upperCased);
		 //     // Call callback when done
		 //     callback();
		 //   }
		 // } 
	} (processLine.__exports));
	return processLine.__exports;
}exports.__require=requireProcessLine;