Function getObjectTypeProperties

src/typescript/objectish.ts:18–38

(
  program: ts.Program,
  type: ts.ObjectType
)

}

function getObjectTypeProperties(
  program: ts.Program,
  type: ts.ObjectType
): { [key: string]: ts.Type } {
  const checker = program.getTypeChecker()
  const typeNode = checker.typeToTypeNode(type)

  const members: ts.NodeArray<ts.TypeElement> =
    typeNode && typeNode.kind === ts.SyntaxKind.TypeLiteral
      ? (typeNode as ts.TypeLiteralNode).members
      : ts.createNodeArray([])

  return type.getProperties().reduce((propertiesObject, propertySymbol) => {
    const propTypeNode = members.find(member => getTypeElementName(member) === propertySymbol.name)
    const propType = propTypeNode ? ((propTypeNode as any).type as ts.TypeNode) : null
    return {
      ...propertiesObject,
      [propertySymbol.getName()]: propType
    }
  }, {})
}

export function resolvePropertyTypes(
  program: ts.Program,