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useSelect

useSelect hook allows you to manage any select (like a Html <select> tag, React Select, etc...) component. Since it is designed as headless, It expects you to handle the UI.

This hook uses the useList hook for fetching data.

DERIVATIVES

If you're looking for a complete select library, refine has out-of-the-box support for the libraries below:

For more information, refer to the useList hook→

Basic Usage​

Here is a basic example of how to use useSelect hook.

localhost:3000/products
import { useSelect } from "@refinedev/core";

interface ICategory {
id: number;
title: string;
}

const ProductCreate: React.FC = () => {
const { options } = useSelect<ICategory>({
resource: "categories",
});

return (
<label>
Select a category:
<select>
{options?.map((option) => (
<option key={option.value} value={option.value}>
{option.label}
</option>
))}
</select>
</label>
);
};

Realtime Updates​

CAUTION

This feature is only available if you use a Live Provider

When useSelect hook is mounted, it will call the subscribe method from the liveProvider with some parameters such as channel, resource etc. It is useful when you want to subscribe to the live updates.

For more information, refer to the liveProvider documentation→

Properties​

resource
required
​

It will be passed to the getList method from the dataProvider as parameter via the useList hook. The parameter is usually used as an API endpoint path. It all depends on how to handle the resource in the getList method.

useSelect({
resource: "categories",
});

For more information, refer to the creating a data provider→

If you have multiple resources with the same name, you can pass the identifier instead of the name of the resource. It will only be used as the main matching key for the resource, data provider methods will still work with the name of the resource defined in the <Refine/> component.

For more information, refer to the identifier of the <Refine/> component documentation →

optionLabel and optionValue​

Allows you to change the value and label of your options. Default values are optionLabel = "title" and optionValue = "id"

useSelect<ICategory>({
resource: "products",
optionLabel: "name"
optionValue: "productId"
});
TIP

Supports nested properties with option Object path syntax.

const { options } = useSelect({
resource: "categories",
optionLabel: "nested.title",
optionValue: "nested.id",
});

sorters​

It allows to show the options in the desired order. sorters will be passed to the getList method from the dataProvider as parameter via the useList hook. It is used to send sort query parameters to the API.

useSelect({
sorters: [
{
field: "title",
order: "asc",
},
],
});
localhost:3000/products
import { useSelect } from "@refinedev/core";

interface ICategory {
id: number;
title: string;
}

const ProductCreate: React.FC = () => {
const [order, setOrder] = React.useState<"asc" | "desc">("asc");
const { options } = useSelect<ICategory>({
resource: "categories",
sorters: [
{
field: "title",
order,
},
],
});

return (
<>
<label>
Select a category:
<select>
{options?.map((option) => (
<option key={option.value} value={option.value}>
{option.label}
</option>
))}
</select>
<button
onClick={() => setOrder(order === "asc" ? "desc" : "asc")}
>
Toggle
</button>
</label>
</>
);
};

For more information, refer to the CrudSorting interface →

filters​

It is used to show options by filtering them. filters will be passed to the getList method from the dataProvider as parameter via the useList hook. It is used to send filter query parameters to the API.

useSelect({
filter: [
{
field: "isActive",
operator: "eq",
value: true,
},
],
});

For more information, refer to the CrudFilters interface →

defaultValue​

Allows to make options selected by default. Adds extra options to <select> component. In some cases like there are many entries for the <select> and pagination is required, defaultValue may not be present in the current visible options and this can break the <select> component. To avoid such cases, A seperate useMany query is sent to the backend with the defaultValue and appended to the options of <select>, ensuring the default values exist in the current options array. Since it uses useMany to query the necessary data, the defaultValue can be a single value or an array of values like the following:

useSelect({
defaultValue: 1, // or [1, 2]
});

For more information, refer to the useMany documentation→

debounce​

It allows us to debounce the onSearch function.

useSelect({
resource: "categories",
debounce: 500,
});

queryOptions​

queryOptions is used to pass additional options to the useQuery hook. It is useful when you want to pass additional options to the useQuery hook.

useSelect({
queryOptions: {
retry: 3,
},
});

For more information, refer to the useQuery documentation→

pagination​

pagination will be passed to the getList method from the dataProvider as parameter. It is used to send pagination query parameters to the API.

current​

You can pass the current page number to the pagination property.

useSelect({
pagination: {
current: 2,
},
});

pageSize​

You can pass the pageSize to the pagination property.

useSelect({
pagination: {
pageSize: 20,
},
});

mode​

Is used to determine whether to use server-side pagination or not. It can be "off", "client" or "server"

useSelect({
pagination: {
mode: "off",
},
});

defaultValueQueryOptions​

When the defaultValue property is given, the useMany data hook is called for the selected records. With this property, you can change the options of this query. If not given, the values given in queryOptions will be used.

const { options } = useSelect({
resource: "categories",
defaultValueQueryOptions: {
onSuccess: (data) => {
console.log("triggers when on query return on success");
},
},
});

onSearch​

It allows us to AutoComplete the options.

localhost:3000/products
import { useSelect } from "@refinedev/core";

interface ICategory {
id: number;
title: string;
}

const ProductCreate: React.FC = () => {
const { options, onSearch } = useSelect<ICategory>({
resource: "categories",
onSearch: (value) => [
{
field: "title",
operator: "contains",
value,
},
],
});

return (
<>
<p>
Filter:
<input onChange={(e) => onSearch(e.target.value)} />
</p>

<select>
{options?.map((option) => (
<option key={option.value} value={option.value}>
{option.label}
</option>
))}
</select>
</>
);
};
TIP

The HTML select tag does not natively support AutoComplete. If AutoComplete is desired, it can be used with React Select or use-select.

INFORMATION

If onSearch is used, it will override the existing filters.

For more information, refer to the CrudFilters interface →

meta​

meta is a special property that can be used to pass additional information to data provider methods for the following purposes:

  • Customizing the data provider methods for specific use cases.
  • Generating GraphQL queries using plain JavaScript Objects (JSON).

In the following example, we pass the headers property in the meta object to the create method. With similar logic, you can pass any properties to specifically handle the data provider methods.

useSelect({
meta: {
headers: { "x-meta-data": "true" },
},
});

const myDataProvider = {
//...
getList: async ({
resource,
pagination,
sorters,
filters,
meta,
}) => {
const headers = meta?.headers ?? {};
const url = `${apiUrl}/${resource}`;
//...
//...
const { data, headers } = await httpClient.get(`${url}`, { headers });
return {
data,
};
},
//...
};

For more information, refer to the meta section of the General Concepts documentation →

dataProviderName​

If there is more than one dataProvider, you can specify which one to use by passing the dataProviderName prop. It is useful when you have a different data provider for different resources.

useSelect({
dataProviderName: "second-data-provider",
});

successNotification​

CAUTION

NotificationProvider is required for this prop to work.

After data is fetched successfully, useSelect can call open function from NotificationProvider to show a success notification. With this prop, you can customize the success notification.

useSelect({
successNotification: (data, values, resource) => {
return {
message: `${data.title} Successfully fetched.`,
description: "Success with no errors",
type: "success",
};
},
});

errorNotification​

CAUTION

NotificationProvider is required for this prop to work.

After data fetching is failed, useSelect will call open function from NotificationProvider to show a error notification. With this prop, you can customize the error notification.

useSelect({
errorNotification: (data, values, resource) => {
return {
message: `Something went wrong when getting ${data.id}`,
description: "Error",
type: "error",
};
},
});

liveMode​

CAUTION

LiveProvider is required for this prop to work.

Determines whether to update data automatically ("auto") or not ("manual") if a related live event is received. It can be used to update and show data in Realtime throughout your app. For more information about live mode, please check Live / Realtime page.

useSelect({
liveMode: "auto",
});

onLiveEvent​

CAUTION

LiveProvider is required for this prop to work.

The callback function that is executed when new events from a subscription are arrived.

useSelect({
onLiveEvent: (event) => {
console.log(event);
},
});

liveParams​

CAUTION

LiveProvider is required for this prop to work.

Params to pass to liveProvider's subscribe method.

overtimeOptions​

If you want loading overtime for the request, you can pass the overtimeOptions prop to the this hook. It is useful when you want to show a loading indicator when the request takes too long. interval is the time interval in milliseconds. onInterval is the function that will be called on each interval.

Return overtime object from this hook. elapsedTime is the elapsed time in milliseconds. It becomes undefined when the request is completed.

const { overtime } = useSelect({
//...
overtimeOptions: {
interval: 1000,
onInterval(elapsedInterval) {
console.log(elapsedInterval);
},
}
});

console.log(overtime.elapsedTime); // undefined, 1000, 2000, 3000 4000, ...

// You can use it like this:
{elapsedTime >= 4000 && <div>this takes a bit longer than expected</div>}

sort​

Deprecated

Use sorters instead.

hasPagination​

Deprecated

Use pagination.mode instead.

Default: false

hasPagination will be passed to the getList method from the dataProvider as parameter via the useList hook. It is used to determine whether to use server-side pagination or not.

useSelect({
hasPagination: true,
});

FAQ​

How to get all the data without pagination?​

You may want to get all the data without pagination. In this case you should use the hasPagination prop.

CAUTION

Don't forget to implement it in the data provider.

How to add search to options (Autocomplete)?​

onSearch is a function that is used to set the search value. It is useful when you want to search for a specific value. A simple example of this is shown below.

localhost:3000/products
import { useSelect } from "@refinedev/core";

interface ICategory {
id: number;
title: string;
}

const ProductCreate: React.FC = () => {
const { options, onSearch } = useSelect<ICategory>({
resource: "categories",
onSearch: (value) => [
{
field: "title",
operator: "contains",
value,
},
],
});

return (
<>
<p>
Filter:
<input onChange={(e) => onSearch(e.target.value)} />
</p>

<select>
{options?.map((option) => (
<option key={option.value} value={option.value}>
{option.label}
</option>
))}
</select>
</>
);
};

How to ensure defaultValue is included in the options?​

In some cases we only have id, it may be necessary to show it selected in the selection box. This hook sends the request via useMany, gets the data and marks it as seleted.

localhost:3000/products
import { useSelect } from "@refinedev/core";

interface ICategory {
id: number;
title: string;
}

const ProductCreate: React.FC = () => {
const { options } = useSelect<ICategory>({
resource: "categories",
defaultValue: 20,
});

return (
<label>
Select a category:
<select>
{options?.map((option) => (
<option key={option.value} value={option.value}>
{option.value}-{option.label}
</option>
))}
</select>
</label>
);
};

How to change the label and value properties in options?​

optionLabel and optionValue are used to change the value of your options. The default values are optionsLabel="title" and optionsValue="id".

To change to name and categoryId;

useSelect({
optionLabel: "name",
optionValue: "categoryId",
});

Can I create the options manually?​

Sometimes it may not be enough to create optionLabel and optionValue options. In this case we create options with queryResult.

const { queryResult } = useSelect({
resource: "categories",
});

const options = queryResult.data?.data.map((item) => ({
label: item.name,
value: item.id,
}));

return (
<select>
{options?.map((option) => (
<option key={option.value} value={option.value}>
{option.label}
</option>
))}
</select>
);

API Reference​

Properties​

Type Parameters​

PropertyDesriptionTypeDefault
TQueryFnDataResult data returned by the query function. Extends BaseRecordBaseRecordBaseRecord
TErrorCustom error object that extends HttpErrorHttpErrorHttpError
TDataResult data returned by the select function. Extends BaseRecord. If not specified, the value of TQueryFnData will be used as the default value.BaseRecordTQueryFnData

Return values​

PropertyDescriptionType
optionsIt returns possible options{ label: string; value: string }
queryResultResult of the query of a recordQueryObserverResult<{ data: TData }>
defaultValueQueryResultResult of the query of a defaultValue recordQueryObserverResult<{ data: TData }>
onSearchA function to set the search valueonSearch: (value: string) => void
overtimeOvertime loading props{ elapsedTime?: number }

Example​

Run on your local
npm create refine-app@latest -- --example core-use-select