gree_leran/node_modules/webpack-sources/lib/helpers/getGeneratedSourceInfo.js

34 lines
692 B
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const CHAR_CODE_NEW_LINE = "\n".charCodeAt(0);
const getGeneratedSourceInfo = source => {
if (source === undefined) {
return {};
}
const lastLineStart = source.lastIndexOf("\n");
if (lastLineStart === -1) {
return {
generatedLine: 1,
generatedColumn: source.length,
source
};
}
let generatedLine = 2;
for (let i = 0; i < lastLineStart; i++) {
if (source.charCodeAt(i) === CHAR_CODE_NEW_LINE) generatedLine++;
}
return {
generatedLine,
generatedColumn: source.length - lastLineStart - 1,
source
};
};
module.exports = getGeneratedSourceInfo;