export enum Precedence {
  Sequence = 0,
  Yield = 1,
  Assignment = 1,
  Conditional = 2,
  ArrowFunction = 2,
  Coalesce = 3,
  LogicalOR = 4,
  LogicalAND = 5,
  BitwiseOR = 6,
  BitwiseXOR = 7,
  BitwiseAND = 8,
  Equality = 9,
  Relational = 10,
  BitwiseSHIFT = 11,
  Additive = 12,
  Multiplicative = 13,
  Exponentiation = 14,
  Await = 15,
  Unary = 15,
  Postfix = 16,
  OptionalChaining = 17,
  Call = 18,
  New = 19,
  TaggedTemplate = 20,
  Member = 21,
  Primary = 22,
}

export const BinaryPrecedence = {
  '??': Precedence.Coalesce,
  '||': Precedence.LogicalOR,
  '&&': Precedence.LogicalAND,
  '|': Precedence.BitwiseOR,
  '^': Precedence.BitwiseXOR,
  '&': Precedence.BitwiseAND,
  '==': Precedence.Equality,
  '!=': Precedence.Equality,
  '===': Precedence.Equality,
  '!==': Precedence.Equality,
  is: Precedence.Equality,
  isnt: Precedence.Equality,
  '<': Precedence.Relational,
  '>': Precedence.Relational,
  '<=': Precedence.Relational,
  '>=': Precedence.Relational,
  in: Precedence.Relational,
  instanceof: Precedence.Relational,
  '<<': Precedence.BitwiseSHIFT,
  '>>': Precedence.BitwiseSHIFT,
  '>>>': Precedence.BitwiseSHIFT,
  '+': Precedence.Additive,
  '-': Precedence.Additive,
  '*': Precedence.Multiplicative,
  '%': Precedence.Multiplicative,
  '/': Precedence.Multiplicative,
  '**': Precedence.Exponentiation,
};