134 lines
3.8 KiB
JavaScript
134 lines
3.8 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow strict-local
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*/
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import type {ViewProps} from './ViewPropTypes';
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import TextAncestor from '../../Text/TextAncestor';
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import ViewNativeComponent from './ViewNativeComponent';
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import * as React from 'react';
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export type Props = ViewProps;
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/**
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* The most fundamental component for building a UI, View is a container that
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* supports layout with flexbox, style, some touch handling, and accessibility
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* controls.
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*
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* @see https://reactnative.dev/docs/view
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*/
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const View: component(
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ref: React.RefSetter<React.ElementRef<typeof ViewNativeComponent>>,
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...props: ViewProps
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) = React.forwardRef(
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(
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{
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accessibilityElementsHidden,
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accessibilityLabel,
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accessibilityLabelledBy,
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accessibilityLiveRegion,
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accessibilityState,
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accessibilityValue,
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'aria-busy': ariaBusy,
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'aria-checked': ariaChecked,
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'aria-disabled': ariaDisabled,
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'aria-expanded': ariaExpanded,
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'aria-hidden': ariaHidden,
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'aria-label': ariaLabel,
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'aria-labelledby': ariaLabelledBy,
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'aria-live': ariaLive,
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'aria-selected': ariaSelected,
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'aria-valuemax': ariaValueMax,
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'aria-valuemin': ariaValueMin,
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'aria-valuenow': ariaValueNow,
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'aria-valuetext': ariaValueText,
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focusable,
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id,
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importantForAccessibility,
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nativeID,
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tabIndex,
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...otherProps
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}: ViewProps,
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forwardedRef,
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) => {
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const hasTextAncestor = React.useContext(TextAncestor);
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const _accessibilityLabelledBy =
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ariaLabelledBy?.split(/\s*,\s*/g) ?? accessibilityLabelledBy;
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let _accessibilityState;
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if (
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accessibilityState != null ||
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ariaBusy != null ||
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ariaChecked != null ||
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ariaDisabled != null ||
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ariaExpanded != null ||
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ariaSelected != null
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) {
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_accessibilityState = {
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busy: ariaBusy ?? accessibilityState?.busy,
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checked: ariaChecked ?? accessibilityState?.checked,
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disabled: ariaDisabled ?? accessibilityState?.disabled,
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expanded: ariaExpanded ?? accessibilityState?.expanded,
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selected: ariaSelected ?? accessibilityState?.selected,
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};
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}
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let _accessibilityValue;
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if (
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accessibilityValue != null ||
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ariaValueMax != null ||
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ariaValueMin != null ||
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ariaValueNow != null ||
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ariaValueText != null
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) {
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_accessibilityValue = {
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max: ariaValueMax ?? accessibilityValue?.max,
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min: ariaValueMin ?? accessibilityValue?.min,
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now: ariaValueNow ?? accessibilityValue?.now,
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text: ariaValueText ?? accessibilityValue?.text,
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};
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}
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const actualView = (
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<ViewNativeComponent
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{...otherProps}
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accessibilityLiveRegion={
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ariaLive === 'off' ? 'none' : ariaLive ?? accessibilityLiveRegion
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}
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accessibilityLabel={ariaLabel ?? accessibilityLabel}
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focusable={tabIndex !== undefined ? !tabIndex : focusable}
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accessibilityState={_accessibilityState}
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accessibilityElementsHidden={ariaHidden ?? accessibilityElementsHidden}
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accessibilityLabelledBy={_accessibilityLabelledBy}
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accessibilityValue={_accessibilityValue}
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importantForAccessibility={
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ariaHidden === true
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? 'no-hide-descendants'
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: importantForAccessibility
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}
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nativeID={id ?? nativeID}
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ref={forwardedRef}
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/>
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);
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if (hasTextAncestor) {
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return (
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<TextAncestor.Provider value={false}>
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{actualView}
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</TextAncestor.Provider>
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);
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}
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return actualView;
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},
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);
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View.displayName = 'View';
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module.exports = View;
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