Function getMinArgumentCount

test/fixtures/snapshot/typescript.js:77604–77638

(signature, flags)

            return length;
        }
        function getMinArgumentCount(signature, flags) {
            var strongArityForUntypedJS = flags & 1 /* MinArgumentCountFlags.StrongArityForUntypedJS */;
            var voidIsNonOptional = flags & 2 /* MinArgumentCountFlags.VoidIsNonOptional */;
            if (voidIsNonOptional || signature.resolvedMinArgumentCount === undefined) {
                var minArgumentCount = void 0;
                if (signatureHasRestParameter(signature)) {
                    var restType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]);
                    if (isTupleType(restType)) {
                        var firstOptionalIndex = ts.findIndex(restType.target.elementFlags, function (f) { return !(f & 1 /* ElementFlags.Required */); });
                        var requiredCount = firstOptionalIndex < 0 ? restType.target.fixedLength : firstOptionalIndex;
                        if (requiredCount > 0) {
                            minArgumentCount = signature.parameters.length - 1 + requiredCount;
                        }
                    }
                }
                if (minArgumentCount === undefined) {
                    if (!strongArityForUntypedJS && signature.flags & 32 /* SignatureFlags.IsUntypedSignatureInJSFile */) {
                        return 0;
                    }
                    minArgumentCount = signature.minArgumentCount;
                }
                if (voidIsNonOptional) {
                    return minArgumentCount;
                }
                for (var i = minArgumentCount - 1; i >= 0; i--) {
                    var type = getTypeAtPosition(signature, i);
                    if (filterType(type, acceptsVoid).flags & 131072 /* TypeFlags.Never */) {
                        break;
                    }
                    minArgumentCount = i;
                }
                signature.resolvedMinArgumentCount = minArgumentCount;
            }
            return signature.resolvedMinArgumentCount;
        }
        function hasEffectiveRestParameter(signature) {
            if (signatureHasRestParameter(signature)) {
                var restType = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]);