react-aria
Version:
Spectrum UI components in React
135 lines (127 loc) • 8.7 kB
JavaScript
import {useTextField as $054f71d2330da2e3$export$712718f7aec83d5} from "./useTextField.mjs";
import {getEventTarget as $23f2114a1b82827e$export$e58f029f0fbfdb29} from "../utils/shadowdom/DOMFunctions.mjs";
import {mergeProps as $bbaa08b3cd72f041$export$9d1611c77c2fe928} from "../utils/mergeProps.mjs";
import {useEffectEvent as $fe16bffc7a557bf0$export$7f54fc3180508a52} from "../utils/useEffectEvent.mjs";
import {useEffect as $03lbr$useEffect, useRef as $03lbr$useRef} from "react";
/*
* Copyright 2021 Adobe. All rights reserved.
* This file is licensed to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
* OF ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
function $62888b2ec35be488$var$supportsNativeBeforeInputEvent() {
return typeof window !== 'undefined' && window.InputEvent && typeof InputEvent.prototype.getTargetRanges === 'function';
}
function $62888b2ec35be488$export$4f384c9210e583c3(props, state, inputRef) {
// All browsers implement the 'beforeinput' event natively except Firefox
// (currently behind a flag as of Firefox 84). React's polyfill does not
// run in all cases that the native event fires, e.g. when deleting text.
// Use the native event if available so that we can prevent invalid deletions.
// We do not attempt to polyfill this in Firefox since it would be very complicated,
// the benefit of doing so is fairly minor, and it's going to be natively supported soon.
let onBeforeInputFallback = (0, $fe16bffc7a557bf0$export$7f54fc3180508a52)((e)=>{
let input = inputRef.current;
if (!input) return;
// Compute the next value of the input if the event is allowed to proceed.
// See https://www.w3.org/TR/input-events-2/#interface-InputEvent-Attributes for a full list of input types.
let nextValue = null;
switch(e.inputType){
case 'historyUndo':
case 'historyRedo':
// Explicitly allow undo/redo. e.data is null in this case, but there's no need to validate,
// because presumably the input would have already been validated previously.
return;
case 'insertLineBreak':
// Explicitly allow "insertLineBreak" event, to allow onSubmit for "enter" key. e.data is null in this case.
return;
case 'deleteContent':
case 'deleteByCut':
case 'deleteByDrag':
nextValue = input.value.slice(0, input.selectionStart) + input.value.slice(input.selectionEnd);
break;
case 'deleteContentForward':
// This is potentially incorrect, since the browser may actually delete more than a single UTF-16
// character. In reality, a full Unicode grapheme cluster consisting of multiple UTF-16 characters
// or code points may be deleted. However, in our currently supported locales, there are no such cases.
// If we support additional locales in the future, this may need to change.
nextValue = input.selectionEnd === input.selectionStart ? input.value.slice(0, input.selectionStart) + input.value.slice(input.selectionEnd + 1) : input.value.slice(0, input.selectionStart) + input.value.slice(input.selectionEnd);
break;
case 'deleteContentBackward':
nextValue = input.selectionEnd === input.selectionStart ? input.value.slice(0, input.selectionStart - 1) + input.value.slice(input.selectionStart) : input.value.slice(0, input.selectionStart) + input.value.slice(input.selectionEnd);
break;
case 'deleteSoftLineBackward':
case 'deleteHardLineBackward':
nextValue = input.value.slice(input.selectionStart);
break;
default:
if (e.data != null) nextValue = input.value.slice(0, input.selectionStart) + e.data + input.value.slice(input.selectionEnd);
break;
}
// If we did not compute a value, or the new value is invalid, prevent the event
// so that the browser does not update the input text, move the selection, or add to
// the undo/redo stack.
if (nextValue == null || !state.validate(nextValue)) e.preventDefault();
});
(0, $03lbr$useEffect)(()=>{
if (!$62888b2ec35be488$var$supportsNativeBeforeInputEvent() || !inputRef.current) return;
let input = inputRef.current;
input.addEventListener('beforeinput', onBeforeInputFallback, false);
return ()=>{
input.removeEventListener('beforeinput', onBeforeInputFallback, false);
};
}, [
inputRef
]);
let onBeforeInput = !$62888b2ec35be488$var$supportsNativeBeforeInputEvent() ? (e)=>{
let nextValue = (0, $23f2114a1b82827e$export$e58f029f0fbfdb29)(e).value.slice(0, (0, $23f2114a1b82827e$export$e58f029f0fbfdb29)(e).selectionStart) + e.data + (0, $23f2114a1b82827e$export$e58f029f0fbfdb29)(e).value.slice((0, $23f2114a1b82827e$export$e58f029f0fbfdb29)(e).selectionEnd);
if (!state.validate(nextValue)) e.preventDefault();
} : null;
let { labelProps: labelProps, inputProps: textFieldProps, descriptionProps: descriptionProps, errorMessageProps: errorMessageProps, ...validation } = (0, $054f71d2330da2e3$export$712718f7aec83d5)(props, inputRef);
let compositionStartState = (0, $03lbr$useRef)(null);
return {
inputProps: (0, $bbaa08b3cd72f041$export$9d1611c77c2fe928)(textFieldProps, {
onBeforeInput: onBeforeInput,
onCompositionStart () {
// Chrome does not implement Input Events Level 2, which specifies the insertFromComposition
// and deleteByComposition inputType values for the beforeinput event. These are meant to occur
// at the end of a composition (e.g. Pinyin IME, Android auto correct, etc.), and crucially, are
// cancelable. The insertCompositionText and deleteCompositionText input types are not cancelable,
// nor would we want to cancel them because the input from the user is incomplete at that point.
// In Safari, insertFromComposition/deleteFromComposition will fire, however, allowing us to cancel
// the final composition result if it is invalid. As a fallback for Chrome and Firefox, which either
// don't support Input Events Level 2, or beforeinput at all, we store the state of the input when
// the compositionstart event fires, and undo the changes in compositionend (below) if it is invalid.
// Unfortunately, this messes up the undo/redo stack, but until insertFromComposition/deleteByComposition
// are implemented, there is no other way to prevent composed input.
// See https://bugs.chromium.org/p/chromium/issues/detail?id=1022204
let { value: value, selectionStart: selectionStart, selectionEnd: selectionEnd } = inputRef.current;
compositionStartState.current = {
value: value,
selectionStart: selectionStart,
selectionEnd: selectionEnd
};
},
onCompositionEnd () {
if (inputRef.current && !state.validate(inputRef.current.value)) {
// Restore the input value in the DOM immediately so we can synchronously update the selection position.
// But also update the value in React state as well so it is correct for future updates.
let { value: value, selectionStart: selectionStart, selectionEnd: selectionEnd } = compositionStartState.current;
inputRef.current.value = value;
inputRef.current.setSelectionRange(selectionStart, selectionEnd);
state.setInputValue(value);
}
}
}),
labelProps: labelProps,
descriptionProps: descriptionProps,
errorMessageProps: errorMessageProps,
...validation
};
}
export {$62888b2ec35be488$export$4f384c9210e583c3 as useFormattedTextField};
//# sourceMappingURL=useFormattedTextField.mjs.map