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

function requireTextLineTransformStream () {
	if (hasRequiredTextLineTransformStream) return textLineTransformStream.__exports;
	hasRequiredTextLineTransformStream = 1;
	(function (exports) {
		Object.defineProperty(exports, "__esModule", {
		    value: true
		});
		Object.defineProperty(exports, "TextLineStream", {
		    enumerable: true,
		    get: function() {
		        return TextLineStream;
		    }
		});
		const _web = require$$0;
		class TextLineStream extends _web.TransformStream {
		    // private __buf = '';
		    constructor({ allowCR = false } = {}){
		        let __buf = '';
		        let chunkIndex = 0;
		        super({
		            transform (chunk, controller) {
		                chunk = __buf + chunk;
		                chunkIndex = 0;
		                for(;;){
		                    const lfIndex = chunk.indexOf('\n', chunkIndex);
		                    if (allowCR) {
		                        const crIndex = chunk.indexOf('\r', chunkIndex);
		                        if (crIndex !== -1 && crIndex !== chunk.length - 1 && (lfIndex === -1 || lfIndex - 1 > crIndex)) {
		                            controller.enqueue(chunk.slice(chunkIndex, crIndex));
		                            chunkIndex = crIndex + 1;
		                            continue;
		                        }
		                    }
		                    if (lfIndex === -1) {
		                        break;
		                    }
		                    // enqueue current line, and loop again to find next line
		                    let crOrLfIndex = lfIndex;
		                    if (chunk[lfIndex - 1] === '\r') {
		                        crOrLfIndex--;
		                    }
		                    controller.enqueue(chunk.slice(chunkIndex, crOrLfIndex));
		                    chunkIndex = lfIndex + 1;
		                    continue;
		                }
		                __buf = chunk.slice(chunkIndex);
		            },
		            flush (controller) {
		                if (__buf.length > 0) {
		                    // eslint-disable-next-line sukka/string/prefer-string-starts-ends-with -- performance
		                    if (allowCR && __buf[__buf.length - 1] === '\r') {
		                        controller.enqueue(__buf.slice(0, -1));
		                    } else {
		                        controller.enqueue(__buf);
		                    }
		                }
		            }
		        });
		    }
		} 
	} (textLineTransformStream.__exports));
	return textLineTransformStream.__exports;
}exports.__require=requireTextLineTransformStream;