56 lines
1.6 KiB
JavaScript
56 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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return finalSource
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? getGeneratedSourceInfo(source)
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: streamChunksOfRawSource(source, onChunk, onSource, onName);
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};
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