"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _objectWithoutPropertiesLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutPropertiesLoose"));
var React = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _reactDom = require("react-dom");
var _utils = require("@mui/utils");
var _jsxRuntime = require("react/jsx-runtime");
const _excluded = ["onChange", "maxRows", "minRows", "style", "value"];
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function getStyleValue(computedStyle, property) {
  return parseInt(computedStyle[property], 10) || 0;
}
const styles = {
  shadow: {
    // Visibility needed to hide the extra text area on iPads
    visibility: 'hidden',
    // Remove from the content flow
    position: 'absolute',
    // Ignore the scrollbar width
    overflow: 'hidden',
    height: 0,
    top: 0,
    left: 0,
    // Create a new layer, increase the isolation of the computed values
    transform: 'translateZ(0)'
  }
};
function isEmpty(obj) {
  return obj === undefined || obj === null || Object.keys(obj).length === 0;
}
const TextareaAutosize = /*#__PURE__*/React.forwardRef(function TextareaAutosize(props, ref) {
  const {
      onChange,
      maxRows,
      minRows = 1,
      style,
      value
    } = props,
    other = (0, _objectWithoutPropertiesLoose2.default)(props, _excluded);
  const {
    current: isControlled
  } = React.useRef(value != null);
  const inputRef = React.useRef(null);
  const handleRef = (0, _utils.unstable_useForkRef)(ref, inputRef);
  const shadowRef = React.useRef(null);
  const renders = React.useRef(0);
  const [state, setState] = React.useState({});
  const getUpdatedState = React.useCallback(() => {
    const input = inputRef.current;
    const containerWindow = (0, _utils.unstable_ownerWindow)(input);
    const computedStyle = containerWindow.getComputedStyle(input);

    // If input's width is shrunk and it's not visible, don't sync height.
    if (computedStyle.width === '0px') {
      return {};
    }
    const inputShallow = shadowRef.current;
    inputShallow.style.width = computedStyle.width;
    inputShallow.value = input.value || props.placeholder || 'x';
    if (inputShallow.value.slice(-1) === '\n') {
      // Certain fonts which overflow the line height will cause the textarea
      // to report a different scrollHeight depending on whether the last line
      // is empty. Make it non-empty to avoid this issue.
      inputShallow.value += ' ';
    }
    const boxSizing = computedStyle['box-sizing'];
    const padding = getStyleValue(computedStyle, 'padding-bottom') + getStyleValue(computedStyle, 'padding-top');
    const border = getStyleValue(computedStyle, 'border-bottom-width') + getStyleValue(computedStyle, 'border-top-width');

    // The height of the inner content
    const innerHeight = inputShallow.scrollHeight;

    // Measure height of a textarea with a single row
    inputShallow.value = 'x';
    const singleRowHeight = inputShallow.scrollHeight;

    // The height of the outer content
    let outerHeight = innerHeight;
    if (minRows) {
      outerHeight = Math.max(Number(minRows) * singleRowHeight, outerHeight);
    }
    if (maxRows) {
      outerHeight = Math.min(Number(maxRows) * singleRowHeight, outerHeight);
    }
    outerHeight = Math.max(outerHeight, singleRowHeight);

    // Take the box sizing into account for applying this value as a style.
    const outerHeightStyle = outerHeight + (boxSizing === 'border-box' ? padding + border : 0);
    const overflow = Math.abs(outerHeight - innerHeight) <= 1;
    return {
      outerHeightStyle,
      overflow
    };
  }, [maxRows, minRows, props.placeholder]);
  const updateState = (prevState, newState) => {
    const {
      outerHeightStyle,
      overflow
    } = newState;
    // Need a large enough difference to update the height.
    // This prevents infinite rendering loop.
    if (renders.current < 20 && (outerHeightStyle > 0 && Math.abs((prevState.outerHeightStyle || 0) - outerHeightStyle) > 1 || prevState.overflow !== overflow)) {
      renders.current += 1;
      return {
        overflow,
        outerHeightStyle
      };
    }
    if (process.env.NODE_ENV !== 'production') {
      if (renders.current === 20) {
        console.error(['MUI: Too many re-renders. The layout is unstable.', 'TextareaAutosize limits the number of renders to prevent an infinite loop.'].join('\n'));
      }
    }
    return prevState;
  };
  const syncHeight = React.useCallback(() => {
    const newState = getUpdatedState();
    if (isEmpty(newState)) {
      return;
    }
    setState(prevState => {
      return updateState(prevState, newState);
    });
  }, [getUpdatedState]);
  const syncHeightWithFlushSycn = () => {
    const newState = getUpdatedState();
    if (isEmpty(newState)) {
      return;
    }

    // In React 18, state updates in a ResizeObserver's callback are happening after the paint which causes flickering
    // when doing some visual updates in it. Using flushSync ensures that the dom will be painted after the states updates happen
    // Related issue - https://github.com/facebook/react/issues/24331
    (0, _reactDom.flushSync)(() => {
      setState(prevState => {
        return updateState(prevState, newState);
      });
    });
  };
  React.useEffect(() => {
    const handleResize = (0, _utils.unstable_debounce)(() => {
      renders.current = 0;

      // If the TextareaAutosize component is replaced by Suspense with a fallback, the last
      // ResizeObserver's handler that runs because of the change in the layout is trying to
      // access a dom node that is no longer there (as the fallback component is being shown instead).
      // See https://github.com/mui/material-ui/issues/32640
      if (inputRef.current) {
        syncHeightWithFlushSycn();
      }
    });
    const containerWindow = (0, _utils.unstable_ownerWindow)(inputRef.current);
    containerWindow.addEventListener('resize', handleResize);
    let resizeObserver;
    if (typeof ResizeObserver !== 'undefined') {
      resizeObserver = new ResizeObserver(handleResize);
      resizeObserver.observe(inputRef.current);
    }
    return () => {
      handleResize.clear();
      containerWindow.removeEventListener('resize', handleResize);
      if (resizeObserver) {
        resizeObserver.disconnect();
      }
    };
  });
  (0, _utils.unstable_useEnhancedEffect)(() => {
    syncHeight();
  });
  React.useEffect(() => {
    renders.current = 0;
  }, [value]);
  const handleChange = event => {
    renders.current = 0;
    if (!isControlled) {
      syncHeight();
    }
    if (onChange) {
      onChange(event);
    }
  };
  return /*#__PURE__*/(0, _jsxRuntime.jsxs)(React.Fragment, {
    children: [/*#__PURE__*/(0, _jsxRuntime.jsx)("textarea", (0, _extends2.default)({
      value: value,
      onChange: handleChange,
      ref: handleRef
      // Apply the rows prop to get a "correct" first SSR paint
      ,
      rows: minRows,
      style: (0, _extends2.default)({
        height: state.outerHeightStyle,
        // Need a large enough difference to allow scrolling.
        // This prevents infinite rendering loop.
        overflow: state.overflow ? 'hidden' : null
      }, style)
    }, other)), /*#__PURE__*/(0, _jsxRuntime.jsx)("textarea", {
      "aria-hidden": true,
      className: props.className,
      readOnly: true,
      ref: shadowRef,
      tabIndex: -1,
      style: (0, _extends2.default)({}, styles.shadow, style, {
        padding: 0
      })
    })]
  });
});
process.env.NODE_ENV !== "production" ? TextareaAutosize.propTypes /* remove-proptypes */ = {
  // ----------------------------- Warning --------------------------------
  // | These PropTypes are generated from the TypeScript type definitions |
  // |     To update them edit the d.ts file and run "yarn proptypes"     |
  // ----------------------------------------------------------------------
  /**
   * @ignore
   */
  className: _propTypes.default.string,
  /**
   * Maximum number of rows to display.
   */
  maxRows: _propTypes.default.oneOfType([_propTypes.default.number, _propTypes.default.string]),
  /**
   * Minimum number of rows to display.
   * @default 1
   */
  minRows: _propTypes.default.oneOfType([_propTypes.default.number, _propTypes.default.string]),
  /**
   * @ignore
   */
  onChange: _propTypes.default.func,
  /**
   * @ignore
   */
  placeholder: _propTypes.default.string,
  /**
   * @ignore
   */
  style: _propTypes.default.object,
  /**
   * @ignore
   */
  value: _propTypes.default.oneOfType([_propTypes.default.arrayOf(_propTypes.default.string), _propTypes.default.number, _propTypes.default.string])
} : void 0;
var _default = TextareaAutosize;
exports.default = _default;