Variable default

Type declaration

• base: {
      isBigInt: (value?: any) => value is BigIntType;
      isBigIntValue: (value?: any) => value is BigIntValue;
      isBoolean: (value?: any) => value is BooleanType;
      isBooleanValue: (value?: any) => value is BooleanValue;
      isBoxedBigInt: (value?: any) => value is BoxedBigInt;
      isBoxedBoolean: (value?: any) => value is BoxedBoolean;
      isBoxedNumber: (value?: any) => value is BoxedNumber;
      isBoxedString: (value?: any) => value is BoxedString;
      isBoxedSymbol: (value?: any) => value is BoxedSymbol;
      isDictionaryObject: (value?: any) => value is DictionaryObject;
      isFunction: (value?: any) => value is Function;
      isNumber: (value?: any) => value is NumberType;
      isNumberValue: (value?: any) => value is NumberValue;
      isObject: (value?: any) => value is AnyObject;
      isObjectObject: (value?: any) => value is PlainObject;
      isString: (value?: any) => value is StringType;
      isStringValue: (value?: any) => value is StringValue;
      isSymbol: (value?: any) => value is SymbolType;
      isSymbolValue: (value?: any) => value is SymbolValue;
  }

  • isBigInt: (value?: any) => value is BigIntType

  • isBigIntValue: (value?: any) => value is BigIntValue

  • isBoolean: (value?: any) => value is BooleanType

  • isBooleanValue: (value?: any) => value is BooleanValue

  • isBoxedBigInt: (value?: any) => value is BoxedBigInt

  • isBoxedBoolean: (value?: any) => value is BoxedBoolean

  • isBoxedNumber: (value?: any) => value is BoxedNumber

  • isBoxedString: (value?: any) => value is BoxedString

  • isBoxedSymbol: (value?: any) => value is BoxedSymbol

  • isDictionaryObject: (value?: any) => value is DictionaryObject

  • isFunction: (value?: any) => value is Function

  • isNumber: (value?: any) => value is NumberType

  • isNumberValue: (value?: any) => value is NumberValue

  • isObject: (value?: any) => value is AnyObject

  • isObjectObject: (value?: any) => value is PlainObject

  • isString: (value?: any) => value is StringType

  • isStringValue: (value?: any) => value is StringValue

  • isSymbol: (value?: any) => value is SymbolType

  • isSymbolValue: (value?: any) => value is SymbolValue

• error: {
      isAggregateError: (value?: any) => value is AggregateError;
      isError: (value?: any) => value is AnyError;
      isErrorError: (value?: any) => value is PlainError;
      isEvalError: (value?: any) => value is EvalError;
      isRangeError: (value?: any) => value is RangeError;
      isReferenceError: (value?: any) => value is ReferenceError;
      isSyntaxError: (value?: any) => value is SyntaxError;
      isTypeError: (value?: any) => value is TypeError;
      isURIError: (value?: any) => value is URIError;
  }

  • isAggregateError: (value?: any) => value is AggregateError

  • isError: (value?: any) => value is AnyError

  • isErrorError: (value?: any) => value is PlainError

  • isEvalError: (value?: any) => value is EvalError

  • isRangeError: (value?: any) => value is RangeError

  • isReferenceError: (value?: any) => value is ReferenceError

  • isSyntaxError: (value?: any) => value is SyntaxError

  • isTypeError: (value?: any) => value is TypeError

  • isURIError: (value?: any) => value is URIError

• flow: {
      doesMatchSafeThenable: (value?: any) => value is Thenable;
      doesMatchThenable: (value?: any) => value is Thenable;
      isAnyGenerator: (value?: any) => value is AnyGenerator;
      isAsyncGenerator: (value?: any) => value is AsyncGenerator;
      isGenerator: (value?: any) => value is Generator;
      isPromise: (value?: any) => value is Promise<any>;
  }

  • doesMatchSafeThenable: (value?: any) => value is Thenable

  • doesMatchThenable: (value?: any) => value is Thenable

  • isAnyGenerator: (value?: any) => value is AnyGenerator

  • isAsyncGenerator: (value?: any) => value is AsyncGenerator

  • isGenerator: (value?: any) => value is Generator

  • isPromise: (value?: any) => value is Promise<any>

• fn: {
      isAnyGeneratorFunction: (value?: any) => value is AnyGeneratorFunction;
      isArrow: (value?: any) => value is AnyArrow;
      isAsyncArrow: (value?: any) => value is AsyncFunction;
      isAsyncFunction: (value?: any) => value is AsyncFunction;
      isAsyncGeneratorFunction: (value?: any) => value is AsyncGeneratorFunction;
      isAsyncNonArrow: (value?: any) => value is AsyncFunction;
      isClass: (value?: any) => value is ClassConstructor<FunctionConstructor>;
      isConciseGenericMethod: (value?: any) => value is ConciseGenericMethod;
      isConstructable: (value: any) => boolean;
      isES3Function: (value?: any) => value is ES3Function;
      isGeneratorFunction: (value?: any) => value is GeneratorFunction;
      isGenericFunction: (value?: any) => value is NonAsyncArrow | ES3Function;
      isNonAsyncArrow: (value?: any) => value is NonAsyncArrow;
      isUnnamedFunction: (value?: any) => value is UnnamedFunction;
  }

  • isAnyGeneratorFunction: (value?: any) => value is AnyGeneratorFunction

  • isArrow: (value?: any) => value is AnyArrow

  • isAsyncArrow: (value?: any) => value is AsyncFunction

  • isAsyncFunction: (value?: any) => value is AsyncFunction

  • isAsyncGeneratorFunction: (value?: any) => value is AsyncGeneratorFunction

  • isAsyncNonArrow: (value?: any) => value is AsyncFunction

  • isClass: (value?: any) => value is ClassConstructor<FunctionConstructor>

  • isConciseGenericMethod: (value?: any) => value is ConciseGenericMethod

  • isConstructable: (value: any) => boolean

  • isES3Function: (value?: any) => value is ES3Function

  • isGeneratorFunction: (value?: any) => value is GeneratorFunction

  • isGenericFunction: (value?: any) => value is NonAsyncArrow | ES3Function

  • isNonAsyncArrow: (value?: any) => value is NonAsyncArrow

  • isUnnamedFunction: (value?: any) => value is UnnamedFunction

• identity: {
      defineStableTypeIdentity: (
          constructor: ES3Function | ClassConstructor,
          constructorName: string,
          taggedType?: string,
      ) => boolean;
      hasBuiltinTypeIdentity: (...args: any[]) => boolean;
      hasCustomTypeIdentity: (...args: any[]) => boolean;
      hasStableTypeIdentity: (...args: any[]) => boolean;
  }

  • defineStableTypeIdentity: (
        constructor: ES3Function | ClassConstructor,
        constructorName: string,
        taggedType?: string,
    ) => boolean

  • hasBuiltinTypeIdentity: (...args: any[]) => boolean

  • hasCustomTypeIdentity: (...args: any[]) => boolean

  • hasStableTypeIdentity: (...args: any[]) => boolean

• utility: {
      getDefinedConstructor: (
          value?: any,
      ) => NewableFunction | ES3Function | ClassConstructor;
      getDefinedConstructorName: (value?: any) => string;
      getTaggedType: (...args: any[]) => string;
      getTypeSignature: (...args: any[]) => string;
      hasConstructSlot: (value: any) => boolean;
      hasOwnPrototype: (value: Function) => boolean;
      hasOwnWritablePrototype: (value: Function) => boolean;
      resolveType: (...args: any[]) => string;
  }

  • getDefinedConstructor: (value?: any) => NewableFunction | ES3Function | ClassConstructor

  • getDefinedConstructorName: (value?: any) => string

  • getTaggedType: (...args: any[]) => string

  • getTypeSignature: (...args: any[]) => string

  • hasConstructSlot: (value: any) => boolean

  • hasOwnPrototype: (value: Function) => boolean

  • hasOwnWritablePrototype: (value: Function) => boolean

  • resolveType: (...args: any[]) => string