import {useTextField as $2d73ec29415bd339$export$712718f7aec83d5} from "./useTextField.module.js";
import {useEffectEvent as $jyGKS$useEffectEvent, mergeProps as $jyGKS$mergeProps} from "@react-aria/utils";
import {useEffect as $jyGKS$useEffect, useRef as $jyGKS$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 $d841c8010a73d545$var$supportsNativeBeforeInputEvent() {
    return typeof window !== 'undefined' && window.InputEvent && typeof InputEvent.prototype.getTargetRanges === 'function';
}
function $d841c8010a73d545$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, $jyGKS$useEffectEvent)((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, $jyGKS$useEffect)(()=>{
        if (!$d841c8010a73d545$var$supportsNativeBeforeInputEvent() || !inputRef.current) return;
        let input = inputRef.current;
        input.addEventListener('beforeinput', onBeforeInputFallback, false);
        return ()=>{
            input.removeEventListener('beforeinput', onBeforeInputFallback, false);
        };
    }, [
        inputRef
    ]);
    let onBeforeInput = !$d841c8010a73d545$var$supportsNativeBeforeInputEvent() ? (e)=>{
        let nextValue = e.target.value.slice(0, e.target.selectionStart) + e.data + e.target.value.slice(e.target.selectionEnd);
        if (!state.validate(nextValue)) e.preventDefault();
    } : null;
    let { labelProps: labelProps, inputProps: textFieldProps, descriptionProps: descriptionProps, errorMessageProps: errorMessageProps, ...validation } = (0, $2d73ec29415bd339$export$712718f7aec83d5)(props, inputRef);
    let compositionStartState = (0, $jyGKS$useRef)(null);
    return {
        inputProps: (0, $jyGKS$mergeProps)(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 {$d841c8010a73d545$export$4f384c9210e583c3 as useFormattedTextField};
//# sourceMappingURL=useFormattedTextField.module.js.map
