55 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/*
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	MIT License http://www.opensource.org/licenses/mit-license.php
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	Author Tobias Koppers @sokra
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*/
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"use strict";
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const getGeneratedSourceInfo = require("./getGeneratedSourceInfo");
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const splitIntoLines = require("./splitIntoLines");
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/** @typedef {import("./getGeneratedSourceInfo").GeneratedSourceInfo} GeneratedSourceInfo */
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/** @typedef {import("./streamChunks").OnChunk} OnChunk */
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/** @typedef {import("./streamChunks").OnName} OnName */
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/** @typedef {import("./streamChunks").OnSource} OnSource */
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/**
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 * @param {string} source source
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 * @param {OnChunk} onChunk on chunk
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 * @param {OnSource} _onSource on source
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 * @param {OnName} _onName on name
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 * @returns {GeneratedSourceInfo} source info
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 */
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const streamChunksOfRawSource = (source, onChunk, _onSource, _onName) => {
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	let line = 1;
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	const matches = splitIntoLines(source);
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	/** @type {undefined | string} */
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	let match;
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	for (match of matches) {
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		onChunk(match, line, 0, -1, -1, -1, -1);
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		line++;
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	}
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	return matches.length === 0 || /** @type {string} */ (match).endsWith("\n")
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		? {
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				generatedLine: matches.length + 1,
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				generatedColumn: 0,
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			}
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		: {
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				generatedLine: matches.length,
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				generatedColumn: /** @type {string} */ (match).length,
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			};
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};
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/**
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 * @param {string} source source
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 * @param {OnChunk} onChunk on chunk
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 * @param {OnSource} onSource on source
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 * @param {OnName} onName on name
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 * @param {boolean} finalSource is final source
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 * @returns {GeneratedSourceInfo} source info
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 */
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module.exports = (source, onChunk, onSource, onName, finalSource) =>
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	finalSource
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		? getGeneratedSourceInfo(source)
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		: streamChunksOfRawSource(source, onChunk, onSource, onName);
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