Issues filed for facebook/flow

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Rate of open issues in the last 60 days

flow open issues (View Closed Issues)
  • over 1 year is this a bug ? in switch statement ?
  • over 1 year Flow complains about this code when it shouldn't
  • over 1 year Flow declarations requires server restart to fix library parse errors
  • over 1 year Spreading paramaters in functions cause error but manually indexing succeeds
  • over 1 year flow-parser: Code generation
  • over 1 year Flow does not support export from construction
  • over 1 year Import failure with private modules
  • over 1 year Unexpected $Diff behavior
  • over 1 year `yield` should invalidate refinements
  • over 1 year Polymorphic types crash flow with "Stack overflow" error
  • over 1 year Node libdefs should return subtypes
  • over 1 year Unsafe behaviour for unrecognised case in case analysis
  • over 1 year Function Inference w/ Object Properties
  • over 1 year Could not resolve name which customized
  • over 1 year Unsound `typeof val === 'function'` refinement
  • over 1 year CLI command to report files with `@flow` annotation
  • over 1 year Disjoint union incosistency
  • over 1 year Any way to declare getters in interface?
  • over 1 year libs not getting included
  • over 1 year Typed Holes + Type Wildcards?
  • over 1 year Type check class that extends class from build in module
  • over 1 year Class instance should not be allowed to cast to an arbitrary object type.
  • over 1 year Class type gets bugged in certain cases unless constructor return type is explicitly set to void
  • over 1 year gen-flow-files generates union type declaration that confuses importer
  • over 1 year Recursion limit exceeds
  • over 1 year optional attributes on object literals
  • over 1 year ESLint collision `no-duplicate-imports`
  • over 1 year flow doesn't follow `export * from`
  • over 1 year getters/setters with WeakMaps for private data should not be considered unsafe?
  • over 1 year Parser should consider `@` part of the source of a decorator node
  • over 1 year @@-prefixed methods should be allowed only in declarations
  • over 1 year Iterator interface should not have @@iterator method
  • over 1 year Flow incorrectly reporting possibly undefined value
  • over 1 year Can't find PropTypes.symbol
  • over 1 year Autocomplete doesn't work with $ObjMap types
  • over 1 year instanceof refinement requires additional coercion with commonJS
  • over 1 year Project wide outline
  • over 1 year Pure functions
  • over 1 year Flow not detecting null check
  • over 1 year Could React props be described as exact object types?
  • over 1 year Add more useful context to $Keys error message
  • over 1 year Typecheck fails with React PropTypes with shape and oneOfType
  • over 1 year Flow freezes when 'merging inference'
  • over 1 year Intersection fails if more specific type comes last, again
  • over 1 year Some issues with CSSOM
  • over 1 year Flow Union Types
  • over 1 year requiring doesn't work with backticks
  • over 1 year Is there some way to check .vue files?
  • over 1 year unknown type breaks object intersection
  • over 1 year feature request: classes can reuse object type in definition
  • over 1 year Show call site for function argument type mismatch
  • over 1 year $Diff not working with Object.assign
  • over 1 year typeof annotation seems to parse incorrectly
  • over 1 year Typechecking fails with two spreads in JSX
  • over 1 year Nullable destructured named argument default value not handled properly
  • over 1 year Support flow:main in manifest
  • over 1 year $ObjMapi, $ObjMap and $TupleMap allow invalid writes
  • over 1 year Error "inconsistent use of library definitions" does not show actual source line
  • over 1 year running flow on concatenated source?
  • over 1 year [SET] - The value is not checked in the constructor.
  • over 1 year Incorrect definition of the Array getter.
  • over 1 year "const abc: string = {}.foo;" is wrong but passes type-checking.
  • over 1 year Autocomplete should use type name instead of complete signature
  • over 1 year spread of null should be checked
  • over 1 year disjoint unions don't work with classes when "tag" value is a number
  • over 1 year `case "foo"` in module scope crashes the parser
  • over 1 year structural compatibility of union types / mutable union
  • over 1 year Covariant properties in classes
  • over 1 year `Object.keys()` should always return 'Array<string>'
  • over 1 year Flow raises error when looping over object properties, when object can be multiple types
  • over 1 year Unary plus is not type checked
  • over 1 year Type aliases within classes
  • over 1 year `typeof` string literal
  • over 1 year Type Refinement does not flow into function declaration even when mutation analysis is safe
  • over 1 year if-statement assignment `!= null` check fails
  • over 1 year flow gen-flow-files src/ --out-dir lib says it can't find a file, yet it had to find that file to know about it
  • over 1 year Node's "module" module declarations are missing
  • over 1 year Type constraints on generics
  • over 1 year Document the `ReactClass` type
  • over 1 year Is it possible to redeclare class definitions to add new statics?
  • over 1 year Intersection doesn't work for exact object types
  • over 1 year Runtime Type Introspection
  • over 1 year Spread in JSX makes optional props required
  • over 1 year How to define getters/setters properly using declarations?
  • over 1 year Feature request: ability to reference the inferred return type of a function
  • over 1 year Incomplete support for tagged template literals: String.raw doesn't work
  • over 1 year Alternative type for generators
  • over 1 year Destructuring function expression (without invocation) does not report
  • over 1 year Support $FlowFixMe in the REPL
  • over 1 year Custom components as prop validation type
  • over 1 year Simple spread de-structuring failure
  • over 1 year Transducer type
  • over 1 year Flow in Atom
  • over 1 year Disjoint union without tags
  • over 1 year Does not check props on React component if not declared at the top level.
  • over 1 year Egghead
  • over 1 year eventemitter libdefs should return subtypes
  • over 1 year Exact Object types don't work for autocomplete
  • over 1 year Object field type errors fail to blame the actual culprit
  • over 1 year Flow is slow, and then produces unexpected results

flow closed issues

  • over 1 year Provide stricter type checking on class constructors when interfaces are used as types for constructor arguments
  • over 1 year How to type check arguments that come after omitted optional arguments
  • over 1 year Flow doesn't catch variable creation and use in the same line
  • over 1 year Support Unicode identifiers
  • over 1 year Retrieve / destruct generic
  • over 1 year Declaring properties for class methods seem to cause invariant use errors
  • over 1 year Disjoint union not type checking branch properly.
  • over 1 year $Shape of map with constrained keys
  • over 1 year string should be compatible with spread operand
  • over 1 year Strange addEventListener and removeEventListener warnings
  • over 1 year call of methods `get` undefined
  • over 1 year can flow tell me the inferred type of something?
  • over 1 year Support requireJS type plugins
  • over 1 year Flow does not catch assignment to imported const
  • over 1 year flowtype.org/try no longer underlines errors
  • over 1 year Not allowed interface extension
  • over 1 year Syntax proposal: allow leading | in type declarations
  • over 1 year Flow v0.34.0 regression: Flow check never completes in project
  • over 1 year Exporting then importing typed alias does not type check
  • over 1 year Problem with union type?
  • over 1 year Weird error messages when adding object to number
  • over 1 year Function type alias doesn't work as expected
  • over 1 year Support destructured object bindings to new variable names
  • over 1 year null guard not working correctly
  • over 1 year variance syntax
  • over 1 year DefaultProps don't work when using functional components
  • over 1 year Set the default values of a property of object type parameter.
  • over 1 year Shouldn't this cause a Flow error
  • over 1 year Object type inference issue
  • over 1 year Flow can't see module in PROJECT_ROOT
  • over 1 year optional/nullable property not respected when passing an empty object
  • over 1 year How to type check partial query results using structural typing
  • over 1 year Object with optional property is not compatible with another object
  • over 1 year Spread operator for flow types
  • over 1 year How to track down an "inconsistent use of library definitions" message?
  • over 1 year Error message is not correct in Getting Started with Flow doc
  • over 1 year Generic is not inferred from constructor value
  • over 1 year Exported functions should throw "Missing annotation" when return type is not annotated
  • over 1 year Anyway for function to return exact property type of agnostic object
  • over 1 year click and dblClick are not MouseEvents (yet)
  • over 1 year Support for code reflection
  • over 1 year Flow does not infer function param and result types from previous `declare function`