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7 changes: 7 additions & 0 deletions usehooks.com/.astro/types.d.ts
Original file line number Diff line number Diff line change
Expand Up @@ -311,6 +311,13 @@ declare module 'astro:content' {
collection: "hooks";
data: InferEntrySchema<"hooks">
} & { render(): Render[".mdx"] };
"useInputCharacterLimit.mdx": {
id: "useInputCharacterLimit.mdx";
slug: "useinputcharacterlimit";
body: string;
collection: "hooks";
data: InferEntrySchema<"hooks">
} & { render(): Render[".mdx"] };
"useIntersectionObserver.mdx": {
id: "useIntersectionObserver.mdx";
slug: "useintersectionobserver";
Expand Down
78 changes: 78 additions & 0 deletions usehooks.com/src/content/hooks/useInputCharacterLimit.mdx
Original file line number Diff line number Diff line change
@@ -0,0 +1,78 @@
---
name: useInputCharacterLimit
rank: 51
tagline: Track number of input characters typed with useInputCharacterLimit and set your constraint character count.
sandboxId: useinputcharacterlimit-3ckwg2
previewHeight: 500px
relatedHooks:
- usekeypress
- useeventlistener
---

import CodePreview from "../../components/CodePreview.astro";
import HookDescription from "../../components/HookDescription.astro";
import StaticCodeContainer from "../../components/StaticCodeContainer.astro";

<HookDescription name={frontmatter.name}>
The useInputCharacterLimit hook allows you to track and control the current number of input
characters typed inside the form input box. We can set a threshold value for the number of input characters as we desire to set a constraint.
</HookDescription>

<div class="reference">
### Parameters

<div class="table-container">
| Name | Type | Description |
| ------------ | ------- | ------------------------------------------------- |
| currentValue | string | The current state value of the input field. |
| maxValue | number | The maximum number of the input field value . |
| inputRef | object | The ref object of the input field. |
</div>

### Return Value

The `useInputCharacterLimit` hook returns an object containing the following elements:

<div class="table-container">
| Name | Type | Description |
| ------------- | ---- | ----------- |
| inputValue | string | The current state value of the input field. |
| isExceedingCount | boolean | The current state of the exceeded count. |
| currentValueLength | number | The length of the current input state value. |
</div>
</div>

<CodePreview
sandboxId={frontmatter.sandboxId}
previewHeight={frontmatter.previewHeight}
/>

<StaticCodeContainer>

```jsx
import React, { useRef } from "react";
import { useInputCharacterLimit } from "@uidotdev/usehooks";

export default function App() {
const inputRef = useRef(null);
const currentValue = "";
const maxValue = 20;

const { inputValue, isExceedingCount, currentValueLength } =
useInputCharacterLimit(currentValue, maxValue, inputRef);

return (
<div className="App">
<label>
Comments
</label>
<textarea ref={inputRef} value={inputValue} />
<div className={isExceedingCount ? "red-text" : ""}>
<span>{currentValueLength}</span>/{maxValue}
</div>
</div>
);
}
```

</StaticCodeContainer>