Function getDefinitelyFalsyPartOfType

test/fixtures/snapshot/typescript.js:67610–67621

(type)

            return mapType(type, getDefinitelyFalsyPartOfType);
        }
        function getDefinitelyFalsyPartOfType(type) {
            return type.flags & 4 /* TypeFlags.String */ ? emptyStringType :
                type.flags & 8 /* TypeFlags.Number */ ? zeroType :
                    type.flags & 64 /* TypeFlags.BigInt */ ? zeroBigIntType :
                        type === regularFalseType ||
                            type === falseType ||
                            type.flags & (16384 /* TypeFlags.Void */ | 32768 /* TypeFlags.Undefined */ | 65536 /* TypeFlags.Null */ | 3 /* TypeFlags.AnyOrUnknown */) ||
                            type.flags & 128 /* TypeFlags.StringLiteral */ && type.value === "" ||
                            type.flags & 256 /* TypeFlags.NumberLiteral */ && type.value === 0 ||
                            type.flags & 2048 /* TypeFlags.BigIntLiteral */ && isZeroBigInt(type) ? type :
                            neverType;
        }
        /**
         * Add undefined or null or both to a type if they are missing.
         * @param type - type to add undefined and/or null to if not present