filter behaviour WIP

packages/datalib/src/CollectionGridDisplay.ts

@@ -2,6 +2,7 @@ import _ from 'lodash';
 import { GridDisplay, ChangeCacheFunc, ChangeConfigFunc, DisplayColumn } from './GridDisplay';
 import type { EngineDriver, ViewInfo, ColumnInfo, CollectionInfo } from 'dbgate-types';
 import { GridConfig, GridCache } from './GridConfig';
+import { mongoFilterBehaviour, standardFilterBehaviours } from 'dbgate-tools';
 
 function getObjectKeys(obj) {
   if (_.isArray(obj)) {
@@ -52,7 +53,7 @@ function getColumnsForObject(basePath, obj, res: any[], display) {
   }
 }
 
-function getDisplayColumn(basePath, columnName, display) {
+function getDisplayColumn(basePath, columnName, display: CollectionGridDisplay) {
   const uniquePath = [...basePath, columnName];
   const uniqueName = uniquePath.join('.');
   return {
@@ -62,7 +63,7 @@ function getDisplayColumn(basePath, columnName, display) {
     uniquePath,
     isStructured: true,
     parentHeaderText: createHeaderText(basePath),
-    filterType: 'mongo',
+    filterBehaviour: display?.driver?.getFilterBehaviour(null, standardFilterBehaviours) ?? mongoFilterBehaviour,
     pureName: display.collection?.pureName,
     schemaName: display.collection?.schemaName,
   };
@@ -95,7 +96,7 @@ export class CollectionGridDisplay extends GridDisplay {
     cache: GridCache,
     setCache: ChangeCacheFunc,
     loadedRows,
-    changeSet, 
+    changeSet,
     readOnly = false
   ) {
     super(config, setConfig, cache, setCache, driver);

packages/datalib/src/GridDisplay.ts

@@ -10,12 +10,13 @@ import type {
   CollectionInfo,
   SqlDialect,
   ViewInfo,
+  FilterBehaviour,
 } from 'dbgate-types';
-import { parseFilter, getFilterType } from 'dbgate-filterparser';
+import { parseFilter } from 'dbgate-filterparser';
 import { filterName } from 'dbgate-tools';
 import { ChangeSetFieldDefinition, ChangeSetRowDefinition } from './ChangeSet';
 import { Expression, Select, treeToSql, dumpSqlSelect, Condition, CompoudCondition } from 'dbgate-sqltree';
-import { isTypeLogical } from 'dbgate-tools';
+import { isTypeLogical, standardFilterBehaviours, detectSqlFilterBehaviour, stringFilterBehaviour } from 'dbgate-tools';
 
 export interface DisplayColumn {
   schemaName: string;
@@ -33,7 +34,7 @@ export interface DisplayColumn {
   isChecked?: boolean;
   hintColumnNames?: string[];
   dataType?: string;
-  filterType?: boolean;
+  filterBehaviour?: FilterBehaviour;
   isStructured?: boolean;
 }
 
@@ -92,7 +93,7 @@ export abstract class GridDisplay {
   isLoadedCorrectly = true;
   supportsReload = false;
   isDynamicStructure = false;
-  filterTypeOverride = null;
+  filterBehaviourOverride = null;
 
   setColumnVisibility(uniquePath: string[], isVisible: boolean) {
     const uniqueName = uniquePath.join('.');
@@ -192,7 +193,11 @@ export abstract class GridDisplay {
       const column = displayedColumnInfo[uniqueName];
       if (!column) continue;
       try {
-        const condition = parseFilter(filter, getFilterType(column.dataType));
+        const condition = parseFilter(
+          filter,
+          this.driver?.getFilterBehaviour(column.dataType, standardFilterBehaviours) ??
+            detectSqlFilterBehaviour(column.dataType)
+        );
         if (condition) {
           conditions.push(
             _.cloneDeepWith(condition, (expr: Expression) => {
@@ -220,7 +225,7 @@ export abstract class GridDisplay {
       };
       for (const column of this.baseTableOrView.columns) {
         try {
-          const condition = parseFilter(this.config.multiColumnFilter, getFilterType(column.dataType));
+          const condition = parseFilter(this.config.multiColumnFilter, detectSqlFilterBehaviour(column.dataType));
           if (condition) {
             orCondition.conditions.push(
               _.cloneDeepWith(condition, (expr: Expression) => {
@@ -748,10 +753,12 @@ export abstract class GridDisplay {
     for (const name in filters) {
       const column = this.isDynamicStructure ? null : this.columns.find(x => x.columnName == name);
       if (!this.isDynamicStructure && !column) continue;
-      const filterType =
+      const filterBehaviour =
-        this.filterTypeOverride ?? (this.isDynamicStructure ? 'mongo' : getFilterType(column.dataType));
+        this.filterBehaviourOverride ??
+        this.driver?.getFilterBehaviour(column.dataType, standardFilterBehaviours) ??
+        detectSqlFilterBehaviour(column.dataType);
       try {
-        const condition = parseFilter(filters[name], filterType);
+        const condition = parseFilter(filters[name], filterBehaviour);
         const replaced = _.cloneDeepWith(condition, (expr: Expression) => {
           if (expr.exprType == 'placeholder')
             return {
@@ -766,7 +773,7 @@ export abstract class GridDisplay {
     }
 
     if (this.config.multiColumnFilter) {
-      const placeholderCondition = parseFilter(this.config.multiColumnFilter, 'string');
+      const placeholderCondition = parseFilter(this.config.multiColumnFilter, stringFilterBehaviour);
       if (placeholderCondition) {
         conditions.push({
           conditionType: 'anyColumnPass',

packages/datalib/src/JslGridDisplay.ts

@@ -2,6 +2,7 @@ import _ from 'lodash';
 import { GridDisplay, ChangeCacheFunc, ChangeConfigFunc } from './GridDisplay';
 import { GridConfig, GridCache } from './GridConfig';
 import { analyseCollectionDisplayColumns } from './CollectionGridDisplay';
+import { evalFilterBehaviour } from 'dbgate-tools';
 
 export class JslGridDisplay extends GridDisplay {
   constructor(
@@ -22,7 +23,7 @@ export class JslGridDisplay extends GridDisplay {
     this.sortable = true;
     this.supportsReload = supportsReload;
     this.isDynamicStructure = isDynamicStructure;
-    this.filterTypeOverride = 'eval';
+    this.filterBehaviourOverride = evalFilterBehaviour;
     this.editable = editable;
     this.editableStructure = editable ? structure : null;
 

packages/filterparser/src/detectSqlFilterBehaviour.ts

@@ -1,12 +0,0 @@
-import { isTypeNumber, isTypeString, isTypeLogical, isTypeDateTime } from 'dbgate-tools';
-import { FilterBehaviour } from 'dbgate-types';
-import { DatetimeFilterBehaviour, LogicalFilterBehaviour, NumberFilterBehaviour, StringFilterBehaviour } from './filterTypes';
-
-export function detectSqlFilterType(dataType: string): FilterBehaviour {
-  if (!dataType) return StringFilterBehaviour;
-  if (isTypeNumber(dataType)) return NumberFilterBehaviour;
-  if (isTypeString(dataType)) return StringFilterBehaviour;
-  if (isTypeLogical(dataType)) return LogicalFilterBehaviour;
-  if (isTypeDateTime(dataType)) return DatetimeFilterBehaviour;
-  return StringFilterBehaviour;
-}

packages/filterparser/src/index.ts

@@ -1,3 +1,2 @@
 export * from './parseFilter';
-export * from './detectSqlFilterBehaviour';
 export * from './filterTool';

packages/filterparser/src/parserFilter.test.ts

@@ -1,8 +1,8 @@
 const { parseFilter } = require('./parseFilter');
-const { StringFilterType } = require('./filterTypes');
+const { stringFilterBehaviour } = require('dbgate-tools');
 
 test('parse string', () => {
-  const ast = parseFilter('"123"', StringFilterType);
+  const ast = parseFilter('"123"', stringFilterBehaviour);
   console.log(JSON.stringify(ast));
   expect(ast).toEqual({
     conditionType: 'like',

packages/tools/src/detectSqlFilterBehaviour.ts

@@ -0,0 +1,17 @@
+import { FilterBehaviour } from 'dbgate-types';
+import {
+  datetimeFilterBehaviour,
+  logicalFilterBehaviour,
+  numberFilterBehaviour,
+  stringFilterBehaviour,
+} from './filterBehaviours';
+import { isTypeDateTime, isTypeLogical, isTypeNumber, isTypeString } from './commonTypeParser';
+
+export function detectSqlFilterBehaviour(dataType: string): FilterBehaviour {
+  if (!dataType) return stringFilterBehaviour;
+  if (isTypeNumber(dataType)) return numberFilterBehaviour;
+  if (isTypeString(dataType)) return stringFilterBehaviour;
+  if (isTypeLogical(dataType)) return logicalFilterBehaviour;
+  if (isTypeDateTime(dataType)) return datetimeFilterBehaviour;
+  return stringFilterBehaviour;
+}

packages/tools/src/driverBase.ts

@@ -3,6 +3,7 @@ import { SqlDumper } from './SqlDumper';
 import { splitQuery } from 'dbgate-query-splitter';
 import { dumpSqlSelect } from 'dbgate-sqltree';
 import { EngineDriver, QueryResult, RunScriptOptions } from 'dbgate-types';
+import { detectSqlFilterBehaviour } from './detectSqlFilterBehaviour';
 
 const dialect = {
   limitSelect: true,
@@ -150,4 +151,7 @@ export const driverBase = {
   showConnectionField: (field, values) => false,
   showConnectionTab: field => true,
   getAccessTokenFromAuth: async (connection, req) => null,
+  getFilterBehaviour(dataType: string, standardFilterBehaviours) {
+    return detectSqlFilterBehaviour(dataType);
+  },
 };

packages/tools/src/filterBehaviours.ts

@@ -1,6 +1,6 @@
 import { FilterBehaviour } from 'dbgate-types';
 
-export const NumberFilterBehaviour: FilterBehaviour = {
+export const numberFilterBehaviour: FilterBehaviour = {
   compilerType: 'sqlTree',
   supportEquals: true,
   supportNumberLikeComparison: true,
@@ -10,7 +10,7 @@ export const NumberFilterBehaviour: FilterBehaviour = {
   allowNumberToken: true,
 };
 
-export const StringFilterBehaviour: FilterBehaviour = {
+export const stringFilterBehaviour: FilterBehaviour = {
   compilerType: 'sqlTree',
   supportEquals: true,
   supportStringInclusion: true,
@@ -23,14 +23,14 @@ export const StringFilterBehaviour: FilterBehaviour = {
   allowHexString: true,
 };
 
-export const LogicalFilterBehaviour: FilterBehaviour = {
+export const logicalFilterBehaviour: FilterBehaviour = {
   compilerType: 'sqlTree',
   supportBooleanValues: true,
   supportNullTesting: true,
   supportSqlCondition: true,
 };
 
-export const DatetimeFilterBehaviour: FilterBehaviour = {
+export const datetimeFilterBehaviour: FilterBehaviour = {
   compilerType: 'sqlTree',
   supportNullTesting: true,
   supportSqlCondition: true,
@@ -38,7 +38,7 @@ export const DatetimeFilterBehaviour: FilterBehaviour = {
   supportDatetimeComparison: true,
 };
 
-export const MongoFilterBehaviour: FilterBehaviour = {
+export const mongoFilterBehaviour: FilterBehaviour = {
   compilerType: 'mongoCondition',
   supportEquals: true,
   supportArrayTesting: true,
@@ -48,7 +48,7 @@ export const MongoFilterBehaviour: FilterBehaviour = {
   supportExistsTesting: true,
 };
 
-export const EvalFilterBehaviour: FilterBehaviour = {
+export const evalFilterBehaviour: FilterBehaviour = {
   compilerType: 'sqlTree',
   supportEquals: true,
   supportStringInclusion: true,
@@ -58,3 +58,12 @@ export const EvalFilterBehaviour: FilterBehaviour = {
 
   allowStringToken: true,
 };
+
+export const standardFilterBehaviours = {
+  numberFilterBehaviour,
+  stringFilterBehaviour,
+  logicalFilterBehaviour,
+  datetimeFilterBehaviour,
+  mongoFilterBehaviour,
+  evalFilterBehaviour,
+};

packages/tools/src/index.ts

@@ -21,3 +21,5 @@ export * from './preloadedRowsTools';
 export * from './ScriptWriter';
 export * from './getLogger';
 export * from './getConnectionLabel';
+export * from './detectSqlFilterBehaviour';
+export * from './filterBehaviours';

packages/types/engines.d.ts

@@ -72,7 +72,11 @@ export interface ServerSummary {
   databases: ServerSummaryDatabase[];
 }
 
-export interface EngineDriver {
+export interface FilterBehaviourProvider {
+  getFilterBehaviour(dataType: string, standardFilterBehaviours: { string: FilterBehaviour }): FilterBehaviour;
+}
+
+export interface EngineDriver extends FilterBehaviourProvider {
   engine: string;
   title: string;
   defaultPort?: number;
@@ -154,7 +158,6 @@ export interface EngineDriver {
   getRedirectAuthUrl(connection, options): Promise<{ url: string; sid: string }>;
   getAuthTokenFromCode(connection, options): Promise<string>;
   getAccessTokenFromAuth(connection, req): Promise<string | null>;
-  getFilterType(dataType: string): FilterBehaviour;
 
   analyserClass?: any;
   dumperClass?: any;

packages/web/src/datagrid/DataFilterControl.svelte

@@ -19,7 +19,6 @@
   import ValueLookupModal from '../modals/ValueLookupModal.svelte';
 
   export let isReadOnly = false;
-  export let filterType;
   export let filterBehaviour;
   export let filter;
   export let setFilter;
@@ -51,7 +50,7 @@
   $: if (onGetReference && domInput) onGetReference(domInput);
 
   function openFilterWindow(condition1) {
-    showModal(SetFilterModal, { condition1, filterType, onFilter: setFilter });
+    showModal(SetFilterModal, { condition1, filterBehaviour, onFilter: setFilter });
   }
 
   const filterMultipleValues = () => {
@@ -246,7 +245,7 @@
       isOk = false;
       isError = false;
       if (value) {
-        parseFilter(value, filterType);
+        parseFilter(value, filterBehaviour);
         isOk = true;
       }
     } catch (err) {

packages/web/src/datagrid/DataGrid.svelte

@@ -78,7 +78,6 @@
   export let display;
   export let changeSetState;
   export let dispatchChangeSet;
-  export let useEvalFilters = false;
 
   export let isDetailView = false;
   export let showReferences = false;
@@ -184,7 +183,6 @@
           {...$$props}
           {managerSize}
           {isDynamicStructure}
-          {useEvalFilters}
           {isFormView}
           {hasMultiColumnFilter}
           driver={display?.driver}

packages/web/src/datagrid/DataGridCore.svelte

@@ -343,13 +343,13 @@
 
 <script lang="ts">
   import { GridDisplay } from 'dbgate-datalib';
-  import { driverBase, parseCellValue } from 'dbgate-tools';
+  import { driverBase, parseCellValue, detectSqlFilterBehaviour } from 'dbgate-tools';
   import { getContext, onDestroy } from 'svelte';
   import _, { map } from 'lodash';
   import registerCommand from '../commands/registerCommand';
   import ColumnHeaderControl from './ColumnHeaderControl.svelte';
   import DataGridRow from './DataGridRow.svelte';
-  import { getFilterType, getFilterValueExpression } from 'dbgate-filterparser';
+  import {  getFilterValueExpression } from 'dbgate-filterparser';
   import stableStringify from 'json-stable-stringify';
   import contextMenu, { getContextMenu, registerMenu } from '../utility/contextMenu';
   import { tick } from 'svelte';
@@ -435,7 +435,6 @@
   export let tabControlHiddenTab = false;
   export let onCustomGridRefresh = null;
   export let onOpenQuery = null;
-  export let useEvalFilters = false;
   export let jslid;
   // export let generalAllowSave = false;
 
@@ -1901,7 +1900,9 @@
                   {jslid}
                   {formatterFunction}
                   driver={display?.driver}
-                  filterType={useEvalFilters ? 'eval' : col.filterType || getFilterType(col.dataType)}
+                  filterBehaviour={display?.filterBehaviourOverride ??
+                    col.filterBehaviour ??
+                    detectSqlFilterBehaviour(col.dataType)}
                   filter={display.getFilter(col.uniqueName)}
                   setFilter={value => display.setFilter(col.uniqueName, value)}
                   showResizeSplitter

packages/web/src/datagrid/JslDataGrid.svelte

@@ -87,7 +87,6 @@
     formViewComponent={JslFormView}
     setLoadedRows={handleSetLoadedRows}
     isDynamicStructure={!!infoUsed?.__isDynamicStructure}
-    useEvalFilters
     showMacros={!!dispatchChangeSet}
     expandMacros={!!dispatchChangeSet}
     onRunMacro={handleRunMacro}

packages/web/src/designer/DesignerQueryDumper.ts

@@ -10,7 +10,7 @@ import {
   referenceIsConnecting,
   mergeSelectsFromDesigner,
   findQuerySource,
-  findDesignerFilterType,
+  findDesignerFilterBehaviour,
 } from './designerTools';
 import { parseFilter } from 'dbgate-filterparser';
 
@@ -83,7 +83,7 @@ export class DesignerQueryDumper {
       }
 
       try {
-        const condition = parseFilter(column[filterField], findDesignerFilterType(column, this.designer));
+        const condition = parseFilter(column[filterField], findDesignerFilterBehaviour(column, this.designer));
         if (condition) {
           conditions.push(
             _.cloneDeepWith(condition, expr => {

packages/web/src/designer/DesignerTable.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
   import { presetDarkPalettes, presetPalettes } from '@ant-design/colors';
-  import { filterName } from 'dbgate-tools';
+  import { filterName, stringFilterBehaviour } from 'dbgate-tools';
 
   import { tick } from 'svelte';
   import { createDatabaseObjectMenu } from '../appobj/DatabaseObjectAppObject.svelte';
@@ -303,7 +303,7 @@
   </div>
   {#if settings?.getMutliColumnFilter && settings?.setMutliColumnFilter}
     <DataFilterControl
-      filterType="string"
+      filterBehaviour={stringFilterBehaviour}
       filter={settings?.getMutliColumnFilter(designerId)}
       setFilter={value => settings?.setMutliColumnFilter(designerId, value)}
       placeholder="Data filter"

packages/web/src/designer/designerTools.ts

@@ -5,7 +5,7 @@ import type { EngineDriver } from 'dbgate-types';
 import type { DesignerInfo, DesignerTableInfo, DesignerReferenceInfo, DesignerJoinType } from './types';
 import { DesignerComponentCreator } from './DesignerComponentCreator';
 import { DesignerQueryDumper } from './DesignerQueryDumper';
-import { getFilterType } from 'dbgate-filterparser';
+import { detectSqlFilterBehaviour } from 'dbgate-tools';
 
 export function referenceIsConnecting(
   reference: DesignerReferenceInfo,
@@ -133,13 +133,13 @@ export function isConnectedByReference(
   return array1 == array2;
 }
 
-export function findDesignerFilterType({ designerId, columnName }, designer) {
+export function findDesignerFilterBehaviour({ designerId, columnName }, designer) {
   const table = (designer.tables || []).find(x => x.designerId == designerId);
   if (table) {
     const column = (table.columns || []).find(x => x.columnName == columnName);
     if (column) {
       const { dataType } = column;
-      return getFilterType(dataType);
+      return detectSqlFilterBehaviour(dataType);
     }
   }
   return 'string';

packages/web/src/elements/QueryDesignColumns.svelte

@@ -8,7 +8,7 @@
 
 <script>
   import DataFilterControl from '../datagrid/DataFilterControl.svelte';
-  import { findDesignerFilterType } from '../designer/designerTools';
+  import { findDesignerFilterBehaviour } from '../designer/designerTools';
   import CheckboxField from '../forms/CheckboxField.svelte';
   import SelectField from '../forms/SelectField.svelte';
   import TextField from '../forms/TextField.svelte';
@@ -238,7 +238,7 @@
     </svelte:fragment>
     <svelte:fragment slot="5" let:row let:filterField>
       <DataFilterControl
-        filterType={findDesignerFilterType(row, value)}
+        filterBehaviour={findDesignerFilterBehaviour(row, value)}
         filter={row[filterField]}
         setFilter={filter => {
           changeColumn({ ...row, [filterField]: filter });

packages/web/src/formview/FormViewFilterColumn.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-  import { getFilterType } from 'dbgate-filterparser';
+  import { detectSqlFilterBehaviour, standardFilterBehaviours, mongoFilterBehaviour } from 'dbgate-tools';
 
   import DataFilterControl from '../datagrid/DataFilterControl.svelte';
 
@@ -17,22 +17,20 @@
   export let schemaName;
   export let pureName;
 
-  export let useEvalFilters;
   export let isDynamicStructure;
   export let isFormView;
 
-  $: column = isFormView
+  $: column = isFormView ? display.formColumns?.find(x => x.uniqueName == uniqueName) : display?.findColumn(uniqueName);
-    ? display.formColumns?.find(x => x.uniqueName == uniqueName)
-    : display?.findColumn(uniqueName);
 
-  function computeFilterType(column, isDynamicStructure, useEvalFilters) {
+  function computeFilterBehavoir(column, display, isDynamicStructure) {
-    if (useEvalFilters) return 'eval';
+    if (display?.filterBehaviourOverride) {
-    if (isDynamicStructure) return 'mongo';
+      return display?.filterBehaviourOverride;
-
-    if (column) {
-      return column.filterType || getFilterType(column.dataType);
     }
-    return 'string';
+    const fromDriver = display?.driver?.getFilterBehaviour(column.dataType, standardFilterBehaviours);
+    if (fromDriver) return fromDriver;
+    if (isDynamicStructure) return mongoFilterBehaviour;
+
+    return detectSqlFilterBehaviour(column.dataType);
   }
 </script>
 
@@ -51,7 +49,7 @@
       </InlineButton>
     </div>
     <DataFilterControl
-      filterType={computeFilterType(column, isDynamicStructure, useEvalFilters)}
+      filterBehaviour={computeFilterBehavoir(column, display, isDynamicStructure)}
       filter={filters[uniqueName]}
       setFilter={value => display.setFilter(uniqueName, value)}
       {driver}

packages/web/src/formview/FormViewFilters.svelte

@@ -20,7 +20,6 @@
   export let pureName;
 
   export let isDynamicStructure;
-  export let useEvalFilters;
   export let isFormView;
 
   export let hasMultiColumnFilter;
@@ -93,7 +92,6 @@
   {#each allFilterNames as uniqueName}
     <FormViewFilterColumn
       {isDynamicStructure}
-      {useEvalFilters}
       {isFormView}
       {uniqueName}
       {display}

packages/web/src/modals/SetFilterModal.svelte

@@ -13,7 +13,7 @@
 
   export let condition1;
   export let onFilter;
-  export let filterType;
+  export let filterBehaviour;
 
   const hasOperand = condition => {
     return condition != 'NULL' && condition != 'NOT NULL' && condition != 'EXISTS' && condition != 'NOT EXISTS';
@@ -24,7 +24,9 @@
     if (!value) return null;
     if (condition == 'sql') return `{${value}}`;
     if (condition == 'sqlRight') return `{$$ ${value}}`;
-    if (filterType == 'string') return `${condition}"${value}"`;
+    if (filterBehaviour.allowStringToken) {
+      return `${condition}"${value}"`;
+    }
     return `${condition}${value}`;
   };
 
@@ -48,7 +50,7 @@
       <div class="row">Show rows where</div>
       <div class="row">
         <div class="col-6 mr-1">
-          <SetFilterModal_Select {filterType} name="condition1" />
+          <SetFilterModal_Select {filterBehaviour} name="condition1" />
         </div>
         <div class="col-6 mr-1">
           <FormValues let:values>
@@ -66,7 +68,7 @@
 
       <div class="row">
         <div class="col-6 mr-1">
-          <SetFilterModal_Select {filterType} name="condition2" />
+          <SetFilterModal_Select {filterBehaviour} name="condition2" />
         </div>
         <div class="col-6 mr-1">
           <FormValues let:values>

packages/web/src/modals/SetFilterModal_Select.svelte

@@ -2,7 +2,6 @@
   import FormSelectFieldRaw from '../forms/FormSelectFieldRaw.svelte';
 
   export let name;
-  export let filterType;
   export let filterBehaviour;
 
   function getOptions() {

plugins/dbgate-plugin-mongo/src/frontend/driver.js

@@ -93,6 +93,10 @@ const driver = {
     }
     return res;
   },
+
+  getFilterBehaviour(dataType, standardFilterBehaviours) {
+    return standardFilterBehaviours.mongoFilterBehaviour;
+  },
 };
 
 module.exports = driver;