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feat: support max length #313

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feat: support max length #313

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373b294
feat: support max length
hengkx Apr 7, 2021
3afcbfb
Update input.test.tsx
hengkx Apr 8, 2021
7f479e1
Update src/InputNumber.tsx
hengkx Apr 8, 2021
971b777
Update InputNumber.tsx
hengkx Apr 8, 2021
7e5c598
Update input.test.tsx
hengkx Apr 8, 2021
aa6cea0
Update input.test.tsx
hengkx Apr 8, 2021
76d2bf8
Update input.test.tsx
hengkx Apr 13, 2021
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13 changes: 10 additions & 3 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -232,13 +232,20 @@ online example: https://input-number.vercel.app/
<td></td>
<td>Specifies the inputmode of input</td>
</tr>
<tr>
<td>maxLength</td>
<td>number</td>
<td></td>
<td>input max length</td>
</tr>
</tbody>
</table>

## Keyboard Navigation
* When you hit the <kbd>⬆</kbd> or <kbd>⬇</kbd> key, the input value will be increased or decreased by `step`
* With the <kbd>Shift</kbd> key (<kbd>Shift+⬆</kbd>, <kbd>Shift+⬇</kbd>), the input value will be changed by `10 * step`
* With the <kbd>Ctrl</kbd> or <kbd>⌘</kbd> key (<kbd>Ctrl+⬆</kbd> or <kbd>⌘+⬆</kbd> or <kbd>Ctrl+⬇</kbd> or <kbd>⌘+⬇</kbd> ), the input value will be changed by `0.1 * step`

- When you hit the <kbd>⬆</kbd> or <kbd>⬇</kbd> key, the input value will be increased or decreased by `step`
- With the <kbd>Shift</kbd> key (<kbd>Shift+⬆</kbd>, <kbd>Shift+⬇</kbd>), the input value will be changed by `10 * step`
- With the <kbd>Ctrl</kbd> or <kbd>⌘</kbd> key (<kbd>Ctrl+⬆</kbd> or <kbd>⌘+⬆</kbd> or <kbd>Ctrl+⬇</kbd> or <kbd>⌘+⬇</kbd> ), the input value will be changed by `0.1 * step`

## Test Case

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9 changes: 7 additions & 2 deletions src/InputNumber.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,7 @@ export interface InputNumberProps<T extends ValueType = ValueType>
// useTouch: boolean;

// size?: ISize;
maxLength?: number;
}

const InputNumber = React.forwardRef(
Expand All @@ -92,6 +93,7 @@ const InputNumber = React.forwardRef(
formatter,
precision,
decimalSeparator,
maxLength,

onChange,
onInput,
Expand Down Expand Up @@ -336,8 +338,11 @@ const InputNumber = React.forwardRef(
};

// >>> Input
const onInternalInput: React.ChangeEventHandler<HTMLInputElement> = (e) => {
const onInternalInput: React.ChangeEventHandler<HTMLInputElement> = e => {
let inputStr = e.target.value;
if (maxLength > 0) {
inputStr = inputStr.slice(0, maxLength);
}

// optimize for chinese input experience
// https://github.com/ant-design/ant-design/issues/8196
Expand Down Expand Up @@ -404,7 +409,7 @@ const InputNumber = React.forwardRef(
}
};

const onKeyDown: React.KeyboardEventHandler<HTMLInputElement> = (event) => {
const onKeyDown: React.KeyboardEventHandler<HTMLInputElement> = event => {
const { which } = event;
userTypingRef.current = true;

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5 changes: 5 additions & 0 deletions tests/input.test.tsx
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Expand Up @@ -80,6 +80,11 @@ describe('InputNumber.Input', () => {
expect(wrapper.getInputValue()).toEqual('');
});

it('max length', () => {
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再加一个0的？

const wrapper = prepareWrapper('333333', { maxLength: 3 }, true);
expect(wrapper.getInputValue()).toEqual('333');
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});

it('blur on default input', () => {
const onChange = jest.fn();
const wrapper = mount(<InputNumber onChange={onChange} />);
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