## API Report File for "@aws-amplify/graphql-schema-generator"

> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).

```ts

import { DirectiveNode } from 'graphql';
import { DocumentNode } from 'graphql';
import { FieldDefinitionNode } from 'graphql';
import { ImportedRDSType } from '@aws-amplify/graphql-transformer-core';
import { InputObjectTypeDefinitionNode } from 'graphql';
import { ObjectTypeDefinitionNode } from 'graphql';
import { VpcConfig } from '@aws-amplify/graphql-transformer-interfaces';

// @public (undocumented)
export const applyFieldNameOverrides: (field: FieldDefinitionNode, existingField: FieldDefinitionNode) => Partial<FieldDefinitionNode>;

// @public (undocumented)
export const applyFieldOverrides: (field: FieldDefinitionNode, existingField: FieldDefinitionNode) => FieldDefinitionNode;

// @public (undocumented)
export const applyJSONFieldTypeOverrides: (field: FieldDefinitionNode, existingField: FieldDefinitionNode) => Partial<FieldDefinitionNode>;

// @public (undocumented)
export const applyModelAuthOverrides: (obj: ObjectTypeDefinitionNode, existingObj: ObjectTypeDefinitionNode) => ObjectTypeDefinitionNode;

// @public (undocumented)
export const applyModelNameOverrides: (obj: ObjectTypeDefinitionNode, existingObj: ObjectTypeDefinitionNode) => ObjectTypeDefinitionNode;

// @public (undocumented)
export const applyModelOverrides: (obj: ObjectTypeDefinitionNode, existingObj: ObjectTypeDefinitionNode) => ObjectTypeDefinitionNode;

// @public (undocumented)
export const applySchemaOverrides: (document: DocumentNode, existingDocument?: DocumentNode | undefined) => DocumentNode;

// @public (undocumented)
export const checkDestructiveNullabilityChange: (field: FieldDefinitionNode, existingField: FieldDefinitionNode) => void;

// @public (undocumented)
export const constructDefaultGlobalAmplifyInput: (dataSourceType: ImportedRDSType, includeAuthRule?: boolean, authDocLink?: string) => string;

// @public (undocumented)
export const constructRDSGlobalAmplifyInput: (config: any, schemaDocument: DocumentNode | undefined) => string;

// @public (undocumented)
export const convertToGraphQLFieldName: (fieldName: string) => string;

// @public (undocumented)
export const convertToGraphQLTypeName: (modelName: string) => string;

// @public (undocumented)
export interface CustomType {
    // (undocumented)
    readonly kind: 'Custom';
    // (undocumented)
    readonly name: string;
}

// @public (undocumented)
export abstract class DataSourceAdapter {
    // (undocumented)
    abstract cleanup(): void;
    // (undocumented)
    describeTable(tableName: string): Model;
    // (undocumented)
    abstract getFields(tableName: string): Field[];
    // (undocumented)
    abstract getIndexes(tableName: string): Index[];
    // (undocumented)
    getModels(): Model[];
    // (undocumented)
    abstract getPrimaryKey(tableName: string): Index | null;
    // (undocumented)
    abstract getTablesList(): string[];
    // (undocumented)
    abstract initialize(): Promise<void>;
    // (undocumented)
    protected abstract querySchema(): Promise<string>;
    // (undocumented)
    protected queryToCSV(queryResult: any[]): string;
    // (undocumented)
    abstract test(): Promise<boolean>;
    // (undocumented)
    useVPC: boolean;
    // (undocumented)
    useVpc(vpcSchemaInspectorLambda: string, region: string): void;
    // (undocumented)
    vpcLambdaRegion: string | undefined;
    // (undocumented)
    vpcSchemaInspectorLambda: string | undefined;
}

// @public (undocumented)
export interface DataSourceConfig {
    // (undocumented)
    database: string;
    // (undocumented)
    host: string;
    // (undocumented)
    password: string;
    // (undocumented)
    port: number;
    // (undocumented)
    sslCertificate?: string;
    // (undocumented)
    username: string;
}

// @public (undocumented)
export type DataSourceGenerateConfig = {
    secretNames: {
        connectionUri: string;
        sslCertificate?: string;
    };
    identifier: string;
    vpcConfig?: VpcConfig;
};

// @public (undocumented)
export type DBEngineType = 'MySQL' | 'Postgres' | 'DynamoDB';

// @public (undocumented)
export interface DefaultType {
    // (undocumented)
    readonly kind: 'Scalar';
    // (undocumented)
    readonly name: FieldDataType;
}

// @public (undocumented)
export interface DefaultValue {
    // (undocumented)
    readonly kind: 'DB_GENERATED' | 'TRANSFORMER_GENERATED';
    // (undocumented)
    readonly value: string | number | boolean;
}

// @public (undocumented)
export class EmptySchemaError extends Error {
    constructor();
}

// @public (undocumented)
export class Engine {
    constructor(type: DBEngineType);
    // (undocumented)
    type: DBEngineType;
}

// @public (undocumented)
export interface EnumType {
    // (undocumented)
    readonly kind: 'Enum';
    // (undocumented)
    name: string;
    // (undocumented)
    readonly values: string[];
}

// @public (undocumented)
export class Field {
    constructor(name: string, type: FieldType);
    // (undocumented)
    default: DefaultValue | undefined;
    // (undocumented)
    length: number | null | undefined;
    // (undocumented)
    name: string;
    // (undocumented)
    type: FieldType;
}

// @public (undocumented)
export type FieldDataType = 'String' | 'ID' | 'Int' | 'Float' | 'AWSJSON' | 'AWSDate' | 'AWSTime' | 'AWSDateTime' | 'AWSTimestamp' | 'ENUM' | 'Boolean' | 'AWSEmail' | 'AWSPhone' | 'AWSURL' | 'AWSIPAddress';

// @public (undocumented)
export type FieldType = DefaultType | CustomType | ListType | NonNullType | EnumType;

// @public (undocumented)
export const findMatchingField: (columnName: string, taleName: string, document: DocumentNode) => FieldDefinitionNode | undefined;

// @public (undocumented)
export const generateGraphQLSchema: (schema: Schema, existingSchemaDocument?: DocumentNode | undefined) => string;

// @public (undocumented)
export const generateTypescriptDataSchema: (schema: Schema, config?: DataSourceGenerateConfig) => string;

// @public (undocumented)
export const getHostVpc: (hostname: string, region?: string) => Promise<VpcConfig | undefined>;

// @public (undocumented)
export const getParentNode: (ancestors: any[]) => ObjectTypeDefinitionNode | undefined;

// @public (undocumented)
export const getRefersToDirective: (name: string) => DirectiveNode;

// @public (undocumented)
export const getSSLConfig: (host: string, sslCertificate?: string) => {
    rejectUnauthorized: boolean;
    ca?: string;
};

// @public (undocumented)
export const graphqlSchemaFromSQLSchema: (sqlSchema: string, engineType: ImportedRDSType) => string;

// @public (undocumented)
export class Index {
    constructor(name: string);
    // (undocumented)
    getFields(): string[];
    // (undocumented)
    name: string;
    // (undocumented)
    setFields(fields: string[]): void;
}

// @public (undocumented)
export class InvalidSchemaError extends Error {
    constructor(schema: any[], expectedColumns: string[]);
}

// @public (undocumented)
export const invokeSchemaInspectorLambda: (funcName: any, dbConfig: any, query: any, region: any) => Promise<any>;

// @public (undocumented)
export const isComputeExpression: (value: string) => boolean;

// @public (undocumented)
export interface ListType {
    // (undocumented)
    readonly kind: 'List';
    // (undocumented)
    readonly type: FieldType;
}

// @public (undocumented)
export class Model {
    constructor(name: string);
    // (undocumented)
    addField(field: Field): void;
    // (undocumented)
    addIndex(name: string, fields: string[]): void;
    // (undocumented)
    getFields(): Field[];
    // (undocumented)
    getIndexes(): Index[];
    // (undocumented)
    getName(): string;
    // (undocumented)
    getPrimaryKey(): Index | undefined;
    // (undocumented)
    hasField(name: string): boolean;
    // (undocumented)
    hasIndex(name: string): boolean;
    // (undocumented)
    setPrimaryKey(fields: string[]): void;
}

// @public (undocumented)
export class MySQLDataSourceAdapter extends DataSourceAdapter {
    constructor(config: DataSourceConfig);
    // (undocumented)
    cleanup(): void;
    // (undocumented)
    getFields(tableName: string): Field[];
    // (undocumented)
    getIndexes(tableName: string): Index[];
    // (undocumented)
    getPrimaryKey(tableName: string): Index | null;
    // (undocumented)
    getTablesList(): string[];
    // (undocumented)
    initialize(): Promise<void>;
    // (undocumented)
    protected querySchema(): Promise<string>;
    // (undocumented)
    test(): Promise<boolean>;
}

// @public (undocumented)
export class MySQLStringDataSourceAdapter extends StringDataSourceAdapter {
    // (undocumented)
    getFields(tableName: string): Field[];
    // (undocumented)
    getIndexes(tableName: string): Index[];
    // (undocumented)
    getPrimaryKey(tableName: string): Index | null;
    // (undocumented)
    getTablesList(): string[];
    // (undocumented)
    mapDataType(datatype: string, nullable: boolean, tableName: string, fieldName: string, columntype: string): FieldType;
    // (undocumented)
    protected setFields(parsedSchema: MySQLSchema): void;
    // (undocumented)
    protected setIndexes(parsedSchema: MySQLSchema): void;
    // Warning: (ae-forgotten-export) The symbol "MySQLSchema" needs to be exported by the entry point index.d.ts
    //
    // (undocumented)
    protected setSchema(schema: MySQLSchema): void;
    // (undocumented)
    protected setTables(parsedSchema: MySQLSchema): void;
    // (undocumented)
    protected validateSchema(schema: any[]): schema is MySQLSchema;
}

// @public (undocumented)
export interface NonNullType {
    // (undocumented)
    readonly kind: 'NonNull';
    // (undocumented)
    readonly type: DefaultType | CustomType | ListType | EnumType;
}

// @public (undocumented)
export class PostgresDataSourceAdapter extends DataSourceAdapter {
    constructor(config: DataSourceConfig);
    // (undocumented)
    cleanup(): void;
    // (undocumented)
    getFields(tableName: string): Field[];
    // (undocumented)
    getIndexes(tableName: string): Index[];
    // (undocumented)
    getPrimaryKey(tableName: string): Index | null;
    // (undocumented)
    getTablesList(): string[];
    // (undocumented)
    initialize(): Promise<void>;
    // (undocumented)
    protected querySchema(): Promise<string>;
    // (undocumented)
    test(): Promise<boolean>;
}

// @public (undocumented)
export class PostgresStringDataSourceAdapter extends StringDataSourceAdapter {
    // (undocumented)
    getFields(tableName: string): Field[];
    // (undocumented)
    getIndexes(tableName: string): Index[];
    // (undocumented)
    getPrimaryKey(tableName: string): Index | null;
    // (undocumented)
    getTablesList(): string[];
    // (undocumented)
    mapDataType(datatype: string, nullable: boolean, tableName: string, fieldName: string, columntype: string): FieldType;
    // (undocumented)
    protected setEnums(parsedSchema: PostgresSchema): void;
    // (undocumented)
    protected setFields(fields: PostgresSchema): void;
    // (undocumented)
    protected setIndexes(indexes: PostgresSchema): void;
    // Warning: (ae-forgotten-export) The symbol "PostgresSchema" needs to be exported by the entry point index.d.ts
    //
    // (undocumented)
    protected setSchema(schema: PostgresSchema): void;
    // (undocumented)
    protected setTables(parsedSchema: PostgresSchema): void;
    // (undocumented)
    protected validateSchema(schema: any[]): schema is PostgresSchema;
}

// @public (undocumented)
export const printSchema: (document: DocumentNode) => string;

// @public (undocumented)
export const provisionSchemaInspectorLambda: (lambdaName: string, vpc: VpcConfig, region: string) => Promise<void>;

// @public (undocumented)
export const readRDSGlobalAmplifyInput: (schemaDocument: DocumentNode | undefined) => InputObjectTypeDefinitionNode | undefined;

// @public (undocumented)
export const renderSchema: (schema: Schema, databaseConfig: any, includeAuthRule?: boolean, existingSchema?: DocumentNode) => string;

// @public (undocumented)
export class Schema {
    constructor(engine: Engine);
    // (undocumented)
    addModel(model: Model): void;
    // (undocumented)
    getEngine(): Engine;
    // (undocumented)
    getModels(): Model[];
    // (undocumented)
    hasModel(name: string): boolean;
}

// @public (undocumented)
export const sleep: (milliseconds: number) => Promise<void>;

// @public (undocumented)
export abstract class StringDataSourceAdapter {
    constructor(schema: string);
    // (undocumented)
    describeTable(tableName: string): Model;
    // (undocumented)
    protected getEnumName(name: string): string;
    // (undocumented)
    abstract getFields(tableName: string): Field[];
    // (undocumented)
    abstract getIndexes(tableName: string): Index[];
    // (undocumented)
    getModels(): Model[];
    // (undocumented)
    abstract getPrimaryKey(tableName: string): Index | null;
    // (undocumented)
    abstract getTablesList(): string[];
    // (undocumented)
    protected abstract mapDataType(datatype: string, nullable: boolean, tableName: string, fieldName: string, columnType: string): FieldType;
    // (undocumented)
    protected parseSchema(schema: string): any[];
    // (undocumented)
    protected abstract setFields(fields: any[]): void;
    // (undocumented)
    protected abstract setIndexes(indexes: any[]): void;
    // (undocumented)
    protected abstract setSchema(schema: any[]): void;
    // (undocumented)
    protected abstract setTables(tables: any[]): void;
    // (undocumented)
    protected abstract validateSchema(schema: any[]): void;
}

// @public (undocumented)
export class TypescriptDataSchemaGenerator {
    // (undocumented)
    static generate: (config: TypescriptDataSchemaGeneratorConfig) => Promise<string>;
}

// @public (undocumented)
export type TypescriptDataSchemaGeneratorConfig = {
    engine: 'mysql' | 'postgresql';
    host: string;
    port: number;
    database: string;
    username: string;
    password: string;
    connectionUriSecretName: string;
    sslCertificate?: string;
    sslCertificateSecretName?: string;
    outputFile?: string;
};

// (No @packageDocumentation comment for this package)

```