emulate intellij "extend and shrink Selection"

[GavriYashar]

https://www.jetbrains.com/help/webstorm/selecting-text-in-the-editor.html#extend_selection

Press Ctrl+W to select the word where the caret is currently located.
Press Ctrl+W successively to extend selection to the next containing node (for example, an expression, a paired tag, an entire conditional block, a method body, a class, a group of vararg arguments, etc.)