@material-ui/core
Version:
React components that implement Google's Material Design.
287 lines (238 loc) • 8.75 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = exports.styles = void 0;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _react = _interopRequireDefault(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _classnames = _interopRequireDefault(require("classnames"));
var _debounce = _interopRequireDefault(require("debounce"));
var _reactEventListener = _interopRequireDefault(require("react-event-listener"));
var _withStyles = _interopRequireDefault(require("../styles/withStyles"));
var _reactHelpers = require("../utils/reactHelpers");
// < 1kb payload overhead when lodash/debounce is > 3kb.
var ROWS_HEIGHT = 19;
var styles = {
/* Styles applied to the root element. */
root: {
position: 'relative',
// because the shadow has position: 'absolute',
width: '100%'
},
textarea: {
width: '100%',
height: '100%',
resize: 'none',
font: 'inherit',
padding: 0,
cursor: 'inherit',
boxSizing: 'border-box',
lineHeight: 'inherit',
border: 'none',
outline: 'none',
background: 'transparent'
},
shadow: {
// Overflow also needed to here to remove the extra row
// added to textareas in Firefox.
overflow: 'hidden',
// Visibility needed to hide the extra text area on ipads
visibility: 'hidden',
position: 'absolute',
height: 'auto',
whiteSpace: 'pre-wrap'
}
};
/**
* @ignore - internal component.
*/
exports.styles = styles;
var Textarea =
/*#__PURE__*/
function (_React$Component) {
(0, _inherits2.default)(Textarea, _React$Component);
// Corresponds to 10 frames at 60 Hz.
function Textarea(props) {
var _this;
(0, _classCallCheck2.default)(this, Textarea);
_this = (0, _possibleConstructorReturn2.default)(this, (0, _getPrototypeOf2.default)(Textarea).call(this));
_this.handleResize = (0, _debounce.default)(function () {
_this.syncHeightWithShadow();
}, 166);
_this.handleRefInput = function (ref) {
_this.inputRef = ref;
(0, _reactHelpers.setRef)(_this.props.textareaRef, ref);
};
_this.handleRefSinglelineShadow = function (ref) {
_this.singlelineShadowRef = ref;
};
_this.handleRefShadow = function (ref) {
_this.shadowRef = ref;
};
_this.handleChange = function (event) {
_this.value = event.target.value;
if (!_this.isControlled) {
// The component is not controlled, we need to update the shallow value.
_this.shadowRef.value = _this.value;
_this.syncHeightWithShadow();
}
if (_this.props.onChange) {
_this.props.onChange(event);
}
};
_this.isControlled = props.value != null; // <Input> expects the components it renders to respond to 'value'
// so that it can check whether they are filled.
_this.value = props.value || props.defaultValue || '';
_this.state = {
height: Number(props.rows) * ROWS_HEIGHT
};
return _this;
}
(0, _createClass2.default)(Textarea, [{
key: "componentDidMount",
value: function componentDidMount() {
this.syncHeightWithShadow();
}
}, {
key: "componentDidUpdate",
value: function componentDidUpdate() {
this.syncHeightWithShadow();
}
}, {
key: "componentWillUnmount",
value: function componentWillUnmount() {
this.handleResize.clear();
}
}, {
key: "syncHeightWithShadow",
value: function syncHeightWithShadow() {
var props = this.props; // Guarding for **broken** shallow rendering method that call componentDidMount
// but doesn't handle refs correctly.
// To remove once the shallow rendering has been fixed.
if (!this.shadowRef) {
return;
}
if (this.isControlled) {
// The component is controlled, we need to update the shallow value.
this.shadowRef.value = props.value == null ? '' : String(props.value);
}
var lineHeight = this.singlelineShadowRef.scrollHeight;
var newHeight = this.shadowRef.scrollHeight; // Guarding for jsdom, where scrollHeight isn't present.
// See https://github.com/tmpvar/jsdom/issues/1013
if (newHeight === undefined) {
return;
}
if (Number(props.rowsMax) >= Number(props.rows)) {
newHeight = Math.min(Number(props.rowsMax) * lineHeight, newHeight);
}
newHeight = Math.max(newHeight, lineHeight); // Need a large enough different to update the height.
// This prevents infinite rendering loop.
if (Math.abs(this.state.height - newHeight) > 1) {
this.setState({
height: newHeight
});
}
}
}, {
key: "render",
value: function render() {
var _this$props = this.props,
classes = _this$props.classes,
className = _this$props.className,
defaultValue = _this$props.defaultValue,
onChange = _this$props.onChange,
rows = _this$props.rows,
rowsMax = _this$props.rowsMax,
textareaRef = _this$props.textareaRef,
value = _this$props.value,
style = _this$props.style,
other = (0, _objectWithoutProperties2.default)(_this$props, ["classes", "className", "defaultValue", "onChange", "rows", "rowsMax", "textareaRef", "value", "style"]);
return _react.default.createElement("div", {
className: classes.root
}, _react.default.createElement(_reactEventListener.default, {
target: "window",
onResize: this.handleResize
}), _react.default.createElement("textarea", {
"aria-hidden": "true",
className: (0, _classnames.default)(classes.textarea, classes.shadow),
readOnly: true,
ref: this.handleRefSinglelineShadow,
rows: "1",
tabIndex: -1,
value: ""
}), _react.default.createElement("textarea", {
"aria-hidden": "true",
className: (0, _classnames.default)(classes.textarea, classes.shadow),
defaultValue: defaultValue,
readOnly: true,
ref: this.handleRefShadow,
rows: rows,
tabIndex: -1,
value: value
}), _react.default.createElement("textarea", (0, _extends2.default)({
rows: rows,
className: (0, _classnames.default)(classes.textarea, className),
defaultValue: defaultValue,
value: value,
onChange: this.handleChange,
ref: this.handleRefInput,
style: (0, _extends2.default)({
height: this.state.height
}, style)
}, other)));
}
}]);
return Textarea;
}(_react.default.Component);
Textarea.propTypes = process.env.NODE_ENV !== "production" ? {
/**
* Override or extend the styles applied to the component.
* See [CSS API](#css-api) below for more details.
*/
classes: _propTypes.default.object.isRequired,
/**
* @ignore
*/
className: _propTypes.default.string,
/**
* @ignore
*/
defaultValue: _propTypes.default.oneOfType([_propTypes.default.string, _propTypes.default.number]),
/**
* @ignore
*/
disabled: _propTypes.default.bool,
/**
* @ignore
*/
onChange: _propTypes.default.func,
/**
* Number of rows to display when multiline option is set to true.
*/
rows: _propTypes.default.oneOfType([_propTypes.default.string, _propTypes.default.number]),
/**
* Maximum number of rows to display when multiline option is set to true.
*/
rowsMax: _propTypes.default.oneOfType([_propTypes.default.string, _propTypes.default.number]),
/**
* Use that property to pass a ref callback to the native textarea element.
*/
textareaRef: _propTypes.default.oneOfType([_propTypes.default.func, _propTypes.default.object]),
/**
* @ignore
*/
value: _propTypes.default.oneOfType([_propTypes.default.string, _propTypes.default.number])
} : {};
Textarea.defaultProps = {
rows: 1
};
var _default = (0, _withStyles.default)(styles)(Textarea);
exports.default = _default;