blockShape

This changes the shape of an output block to another block shape. You can use this to make it clearer what your block returns.

{
  opcode: 'testReporter',
  text: 'testing!',
  blockType: Scratch.BlockType.REPORTER,
  blockShape: Scratch.BlockShape.SQUARE,
}

Enum	Purpose	Image
Scratch.BlockShape.HEXAGONAL	`booleans/predicates`
Scratch.BlockShape.ROUND	`numbers/strings`
Scratch.BlockShape.SQUARE	`arrays/array buffers/uint arrays`
Scratch.BlockShape.LEAF	VectorType
Scratch.BlockShape.PLUS	`Objects/Classes or Class instances`
Scratch.BlockShape.OCTAGONAL	Scratch `target`
Scratch.BlockShape.BUMPED	JavaScript `BigInt`
Scratch.BlockShape.INDENTED	XMLType
Scratch.BlockShape.SCRAPPED	JavaScript `Map`
Scratch.BlockShape.ARROW	JavaScript `Set`
Scratch.BlockShape.TICKET	JavaScript `Date`