Wrong Sass parsing of nested properties, marks it as pseudoClass

[AleshaOleg]

Let's explain bug in example. Here it is:

p
    :border
      :style dotted

GPE, should mark this one as nested property, but border and style returning as two different blocks. In addition to border marked as pseudoClass what is wrong.

Sass have this feature as Nested Properties. You can read more there.

GPE playground or with gonzales.parse(source, {syntax: 'sass', rule: 'declaration'});, produce this AST:

{
  "type": "stylesheet",
  "content": [
    {
      "type": "ruleset",
      "content": [
        {
          "type": "selector",
          "content": [
            {
              "type": "typeSelector",
              "content": [
                {
                  "type": "ident",
                  "content": "p"
                }
              ]
            }
          ]
        },
        {
          "type": "space",
          "content": "\n"
        },
        {
          "type": "block",
          "content": [
            {
              "type": "space",
              "content": "    "
            },
            {
              "type": "ruleset",
              "content": [
                {
                  "type": "selector",
                  "content": [
                    {
                      "type": "pseudoClass",
                      "content": [
                        {
                          "type": "ident",
                          "content": "border"
                        }
                      ]
                    }
                  ]
                },
                {
                  "type": "space",
                  "content": "\n"
                },
                {
                  "type": "block",
                  "content": [
                    {
                      "type": "space",
                      "content": "      "
                    },
                    {
                      "type": "declaration",
                      "content": [
                        {
                          "type": "propertyDelimiter",
                          "content": ":"
                        },
                        {
                          "type": "property",
                          "content": [
                            {
                              "type": "ident",
                              "content": "style"
                            }
                          ]
                        },
                        {
                          "type": "space",
                          "content": " "
                        },
                        {
                          "type": "value",
                          "content": [
                            {
                              "type": "ident",
                              "content": "dotted"
                            }
                          ]
                        }
                      ]
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}

This code is analogue for:

p
    border-style: dotted

[AleshaOleg]

Unfortunately not everything in Sass, marked with colon is pseudo-class.
https://github.com/tonyganch/gonzales-pe/blob/dev/src/sass/stringify.js#L84

[AleshaOleg]

I'm ready to fix this issue, could anybody give a advice in which part of this file, i should watch?