@mui/base
Version:
A library of headless ('unstyled') React UI components and low-level hooks.
269 lines (260 loc) • 10.5 kB
JavaScript
;
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 = _interopRequireWildcard(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(value) {
return parseInt(value, 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 || obj.outerHeightStyle === 0 && !obj.overflow;
}
/**
*
* Demos:
*
* - [Textarea Autosize](https://mui.com/base/react-textarea-autosize/)
* - [Textarea Autosize](https://mui.com/material-ui/react-textarea-autosize/)
*
* API:
*
* - [TextareaAutosize API](https://mui.com/base/react-textarea-autosize/components-api/#textarea-autosize)
*/
const TextareaAutosize = /*#__PURE__*/React.forwardRef(function TextareaAutosize(props, forwardedRef) {
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)(forwardedRef, inputRef);
const shadowRef = React.useRef(null);
const renders = React.useRef(0);
const [state, setState] = React.useState({
outerHeightStyle: 0
});
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 {
outerHeightStyle: 0
};
}
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.boxSizing;
const padding = getStyleValue(computedStyle.paddingBottom) + getStyleValue(computedStyle.paddingTop);
const border = getStyleValue(computedStyle.borderBottomWidth) + getStyleValue(computedStyle.borderTopWidth);
// 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 syncHeightWithFlushSync = () => {
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
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) {
syncHeightWithFlushSync();
}
});
let resizeObserver;
const input = inputRef.current;
const containerWindow = (0, _utils.unstable_ownerWindow)(input);
containerWindow.addEventListener('resize', handleResize);
if (typeof ResizeObserver !== 'undefined') {
resizeObserver = new ResizeObserver(handleResize);
resizeObserver.observe(input);
}
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' : undefined
}, 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 TypeScript types 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;