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Focus next focusable input #6

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Merged
merged 1 commit into from
Apr 3, 2018
Merged

Focus next focusable input #6

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11 changes: 9 additions & 2 deletions src/__tests__/withNextInputAutoFocus.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,10 @@ describe("withNextInputAutoFocus", () => {
const wrapper = mount(
<Form>
<Input name="first" />
<Input name="second" />
<View>
<View name="not-focusable" />
<Input name="second" />
</View>
<Input name="last" />
<Button onPress={jest.fn()} title="SUBMIT" />
</Form>
Expand All @@ -62,7 +65,11 @@ describe("withNextInputAutoFocus", () => {
const onSubmitEditing = jest.fn();
const wrapper = mount(
<Form>
<Input name="first" returnKeyType="correct value" onSubmitEditing={onSubmitEditing} />
<Input
name="first"
returnKeyType="correct value"
onSubmitEditing={onSubmitEditing}
/>
</Form>
);

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28 changes: 22 additions & 6 deletions src/withNextInputAutoFocus.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,14 @@ const withNextInputAutoFocusContextType = {
getReturnKeyType: PropTypes.func
};

const isInput = component => component && !!component.props.name;
getInputs = children =>
(isArray(children) ? children : [children]).reduce((partialInputs, child) => {
if (child.props.children) {
return partialInputs.concat(getInputs(child.props.children));
}
if (child && !!child.props.name) return partialInputs.concat(child);
return partialInputs;
}, []);

export const withNextInputAutoFocusForm = WrappedComponent => {
class WithNextInputAutoFocusForm extends React.PureComponent {
Expand All @@ -20,14 +27,15 @@ export const withNextInputAutoFocusForm = WrappedComponent => {
constructor(props) {
super(props);
const { children } = props;
this.inputs = (isArray(children) ? children : [children]).filter(isInput);
this.inputs = getInputs(children);
}

inputs;
inputNameMap;
inputRefs = {};

getInputPosition = name => this.inputs.findIndex(input => input.props.name === name);
getInputPosition = name =>
this.inputs.findIndex(input => input.props.name === name);

getChildContext = () => ({
setInput: (name, component) => {
Expand All @@ -40,8 +48,13 @@ export const withNextInputAutoFocusForm = WrappedComponent => {
if (isLastInput) {
this.context.formik.submitForm();
} else {
const nextInput = this.inputs[inputPosition + 1];
this.inputRefs[nextInput.props.name].focus();
const nextInputs = this.inputs.slice(inputPosition + 1);
const nextFocusableInput = nextInputs.find(
element =>
this.inputRefs[element.props.name] &&
this.inputRefs[element.props.name].focus
);
this.inputRefs[nextFocusableInput.props.name].focus();
}
},
getReturnKeyType: name => {
Expand All @@ -61,7 +74,10 @@ export const withNextInputAutoFocusForm = WrappedComponent => {
};

export const withNextInputAutoFocusInput = Input => {
class WithNextInputAutoFocusInput extends React.Component<$FlowFixMeProps, $FlowFixMeState> {
class WithNextInputAutoFocusInput extends React.Component<
$FlowFixMeProps,
$FlowFixMeState
> {
static contextTypes = withNextInputAutoFocusContextType;

setInput = component => {
Expand Down