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33 lines
692 B
33 lines
692 B
/* |
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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 CHAR_CODE_NEW_LINE = "\n".charCodeAt(0); |
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const getGeneratedSourceInfo = source => { |
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if (source === undefined) { |
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return {}; |
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} |
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const lastLineStart = source.lastIndexOf("\n"); |
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if (lastLineStart === -1) { |
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return { |
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generatedLine: 1, |
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generatedColumn: source.length, |
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source |
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}; |
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} |
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let generatedLine = 2; |
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for (let i = 0; i < lastLineStart; i++) { |
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if (source.charCodeAt(i) === CHAR_CODE_NEW_LINE) generatedLine++; |
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} |
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return { |
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generatedLine, |
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generatedColumn: source.length - lastLineStart - 1, |
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source |
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}; |
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}; |
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module.exports = getGeneratedSourceInfo;
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