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Showing content from https://ruby-syntax-tree.github.io/syntax_tree/SyntaxTree/IfOp.html below:

class SyntaxTree::IfOp - RDoc Documentation

1. SyntaxTree::
2. IfOp

IfOp represents a ternary clause.

predicate ? truthy : falsy

Node

the expression to be executed if the predicate is falsy

Node

the expression to be checked

Node

the expression to be executed if the predicate is truthy

def initialize(predicate:, truthy:, falsy:, location:)
  @predicate = predicate
  @truthy = truthy
  @falsy = falsy
  @location = location
  @comments = []
end

def ===(other)
  other.is_a?(IfOp) && predicate === other.predicate &&
    truthy === other.truthy && falsy === other.falsy
end

def accept(visitor)
  visitor.visit_if_op(self)
end

def child_nodes
  [predicate, truthy, falsy]
end

def copy(predicate: nil, truthy: nil, falsy: nil, location: nil)
  node =
    IfOp.new(
      predicate: predicate || self.predicate,
      truthy: truthy || self.truthy,
      falsy: falsy || self.falsy,
      location: location || self.location
    )

  node.comments.concat(comments.map(&:copy))
  node
end

def deconstruct_keys(_keys)
  {
    predicate: predicate,
    truthy: truthy,
    falsy: falsy,
    location: location,
    comments: comments
  }
end

def format(q)
  force_flat = [
    AliasNode,
    Assign,
    Break,
    Command,
    CommandCall,
    Heredoc,
    IfNode,
    IfOp,
    Lambda,
    MAssign,
    Next,
    OpAssign,
    RescueMod,
    ReturnNode,
    Super,
    Undef,
    UnlessNode,
    VoidStmt,
    YieldNode,
    ZSuper
  ]

  if q.parent.is_a?(Paren) || force_flat.include?(truthy.class) ||
       force_flat.include?(falsy.class)
    q.group { format_flat(q) }
    return
  end

  q.group { q.if_break { format_break(q) }.if_flat { format_flat(q) } }
end

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