Command + Option + leftArrow to collapse the current block
Command + Option + rightArrow to unfold the current block
// All code blocks inside file
command + alt + shift + left_arrow
// Single code block
command + alt + left_arrow
// All code blocks inside file
command + alt + shift + left_arrow
// Single code block
command + alt + left_arrow
// All code blocks inside file
command + alt + shift + left_arrow
// Single code block
command + alt + left_arrow