graphql
Version:
A Query Language and Runtime which can target any service.
33 lines (29 loc) • 723 B
JavaScript
/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* strict
*/
/**
* Represents a location in a Source.
*/
/**
* Takes a Source and a UTF-8 character offset, and returns the corresponding
* line and column as a SourceLocation.
*/
export function getLocation(source, position) {
var lineRegexp = /\r\n|[\n\r]/g;
var line = 1;
var column = position + 1;
var match;
while ((match = lineRegexp.exec(source.body)) && match.index < position) {
line += 1;
column = position + 1 - (match.index + match[0].length);
}
return {
line: line,
column: column
};
}