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20 lines
462 B
20 lines
462 B
module.exports = function getLocation ( source, charIndex ) {
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var lines = source.split( '\n' );
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var len = lines.length;
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var lineStart = 0;
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var i;
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for ( i = 0; i < len; i += 1 ) {
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var line = lines[i];
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var lineEnd = lineStart + line.length + 1; // +1 for newline
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if ( lineEnd > charIndex ) {
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return { line: i + 1, column: charIndex - lineStart };
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}
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lineStart = lineEnd;
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}
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throw new Error( 'Could not determine location of character' );
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}
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