/**
* The MIT License (MIT)
* Copyright (c) 2017-present Dmitry Soshnikov <dmitry.soshnikov@gmail.com>
*/
'use strict';
/**
* A regexp-tree plugin to simplify character classes
* spanning only one or two chars.
*
* [a-a] -> [a]
* [a-b] -> [ab]
*/
module.exports = {
ClassRange: function ClassRange(path) {
var node = path.node;
if (node.from.codePoint === node.to.codePoint) {
path.replace(node.from);
} else if (node.from.codePoint === node.to.codePoint - 1) {
path.getParent().insertChildAt(node.to, path.index + 1);
path.replace(node.from);
}
}
};