Skip to content

Add union type introspection to TypeDef. #13

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Crell merged 1 commit into from
Jul 11, 2025
Merged

Add union type introspection to TypeDef. #13

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 11 additions & 1 deletion src/TypeDef.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ class TypeDef
*
* @var array<array<string>>
*/
private array $type = [[]];
protected array $type = [[]];

public readonly bool $allowsNull;

Expand Down Expand Up @@ -71,6 +71,16 @@ public function getSimpleType(): ?string
return $this->isSimple() ? $this->type[0][0] : null;
}

/**
* Returns a list of the unioned types, or null if it's not a union type.
*
* @return string[]|null
*/
public function getUnionTypes(): ?array
{
return $this->complexity === TypeComplexity::Union ? array_column($this->type, 0) : null;
}

/**
* Determines if this type definition will accept a value of the specified type.
*
Expand Down
2 changes: 2 additions & 0 deletions tests/TypeDefTest.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,7 @@ public static function typeDefProvider(): iterable
static::assertFalse($typeDef->allowsNull);
static::assertFalse($typeDef->isSimple());
static::assertEquals(TypeComplexity::Union, $typeDef->complexity);
static::assertEquals(['string', 'int'], $typeDef->getUnionTypes());
static::assertTrue($typeDef->accepts('int'));
static::assertTrue($typeDef->accepts('string'));
static::assertFalse($typeDef->accepts(SomeClass::class));
Expand All @@ -163,6 +164,7 @@ public static function typeDefProvider(): iterable
static::assertFalse($typeDef->allowsNull);
static::assertFalse($typeDef->isSimple());
static::assertEquals(TypeComplexity::Union, $typeDef->complexity);
static::assertEquals([SomeClass::class, 'string'], $typeDef->getUnionTypes());
static::assertTrue($typeDef->accepts(SomeClass::class));
static::assertTrue($typeDef->accepts('string'));
static::assertFalse($typeDef->accepts(OtherClass::class));
Expand Down