atom-nuclide
Version:
A unified developer experience for web and mobile development, built as a suite of features on top of Atom to provide hackability and the support of an active community.
30 lines (26 loc) • 708 B
JavaScript
/*
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the LICENSE file in
* the root directory of this source tree.
*/
/**
* Figures out the row and column coordinates of a raw position within a source
* string. This will undo the transform `getRawPosition` makes to position.
*/
function getPosition(source, rawPosition) {
var row = 0;
var column = 0;
for (var i = 0; i < rawPosition && i < source.length; i++) {
var char = source.charAt(i);
if (char === '\n') {
row++;
column = 0;
} else {
column++;
}
}
return { row: row, column: column };
}
module.exports = getPosition;