2020-05-19 11:43:42 +03:00

34 lines
596 B
JavaScript

'use strict'
module.exports = indentation
var tab = '\t'
var space = ' '
var spaceSize = 1
var tabSize = 4
// Gets indentation information for a line.
function indentation(value) {
var index = 0
var indent = 0
var character = value.charAt(index)
var stops = {}
var size
while (character === tab || character === space) {
size = character === tab ? tabSize : spaceSize
indent += size
if (size > 1) {
indent = Math.floor(indent / size) * size
}
stops[indent] = index
character = value.charAt(++index)
}
return {indent: indent, stops: stops}
}