Method parseSingleArgArrowFunction

parser/expression.go:1204–1232

(start file.Idx, async bool)

}

func (self *_parser) parseSingleArgArrowFunction(start file.Idx, async bool) ast.Expression {
	if async != self.scope.allowAwait {
		self.scope.allowAwait = async
		defer func() {
			self.scope.allowAwait = !async
		}()
	}
	self.tokenToBindingId()
	if self.token != token.IDENTIFIER {
		self.errorUnexpectedToken(self.token)
		self.next()
		return &ast.BadExpression{
			From: start,
			To:   self.idx,
		}
	}

	id := self.parseIdentifier()

	paramList := &ast.ParameterList{
		Opening: id.Idx,
		Closing: id.Idx1(),
		List: []*ast.Binding{{
			Target: id,
		}},
	}

	return self.parseArrowFunction(start, paramList, async)
}

func (self *_parser) parseAssignmentExpression() ast.Expression {
	start := self.idx