271 lines
11 KiB
JavaScript
271 lines
11 KiB
JavaScript
"use strict";
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exports.__esModule = true;
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exports.default = void 0;
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var _react = _interopRequireDefault(require("react"));
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var _reactDraggable = require("react-draggable");
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var _utils = require("./utils");
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var _propTypes = require("./propTypes");
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
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function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
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function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
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function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
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function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
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function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }
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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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var Resizable = /*#__PURE__*/function (_React$Component) {
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_inheritsLoose(Resizable, _React$Component);
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function Resizable() {
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var _this;
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for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
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args[_key] = arguments[_key];
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}
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_this = _React$Component.call.apply(_React$Component, [this].concat(args)) || this;
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_defineProperty(_assertThisInitialized(_this), "state", undefined);
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_defineProperty(_assertThisInitialized(_this), "lastHandleRect", null);
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_defineProperty(_assertThisInitialized(_this), "slack", null);
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return _this;
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}
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var _proto = Resizable.prototype;
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_proto.componentWillUnmount = function componentWillUnmount() {
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this.resetData();
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};
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_proto.lockAspectRatio = function lockAspectRatio(width, height, aspectRatio) {
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height = width / aspectRatio;
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width = height * aspectRatio;
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return [width, height];
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};
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_proto.resetData = function resetData() {
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this.lastHandleRect = this.slack = null;
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} // Clamp width and height within provided constraints
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;
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_proto.runConstraints = function runConstraints(width, height) {
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var _ref = [this.props.minConstraints, this.props.maxConstraints],
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min = _ref[0],
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max = _ref[1];
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if (!min && !max) return [width, height]; // If constraining to min and max, we need to also fit width and height to aspect ratio.
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if (this.props.lockAspectRatio) {
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var resizingHorizontally = height === this.props.height;
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if (resizingHorizontally) {
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var ratio = this.props.width / this.props.height;
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height = width / ratio;
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width = height * ratio;
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} else {
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// Take into account vertical resize with N/S handles on locked aspect
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// ratio. Calculate the change height-first, instead of width-first
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var _ratio = this.props.height / this.props.width;
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width = height / _ratio;
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height = width * _ratio;
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}
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}
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var oldW = width,
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oldH = height; // Add slack to the values used to calculate bound position. This will ensure that if
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// we start removing slack, the element won't react to it right away until it's been
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// completely removed.
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var _ref2 = this.slack || [0, 0],
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slackW = _ref2[0],
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slackH = _ref2[1];
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width += slackW;
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height += slackH;
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if (min) {
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width = Math.max(min[0], width);
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height = Math.max(min[1], height);
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}
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if (max) {
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width = Math.min(max[0], width);
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height = Math.min(max[1], height);
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} // If the width or height changed, we must have introduced some slack. Record it for the next iteration.
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this.slack = [slackW + (oldW - width), slackH + (oldH - height)];
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return [width, height];
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}
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/**
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* Wrapper around drag events to provide more useful data.
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*
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* @param {String} handlerName Handler name to wrap.
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* @return {Function} Handler function.
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*/
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;
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_proto.resizeHandler = function resizeHandler(handlerName, axis) {
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var _this2 = this;
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return function (e, _ref3) {
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var node = _ref3.node,
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deltaX = _ref3.deltaX,
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deltaY = _ref3.deltaY;
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// Reset data in case it was left over somehow (should not be possible)
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if (handlerName === 'onResizeStart') _this2.resetData(); // Axis restrictions
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var canDragX = (_this2.props.axis === 'both' || _this2.props.axis === 'x') && axis !== 'n' && axis !== 's';
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var canDragY = (_this2.props.axis === 'both' || _this2.props.axis === 'y') && axis !== 'e' && axis !== 'w'; // No dragging possible.
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if (!canDragX && !canDragY) return; // Decompose axis for later use
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var axisV = axis[0];
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var axisH = axis[axis.length - 1]; // intentionally not axis[1], so that this catches axis === 'w' for example
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// Track the element being dragged to account for changes in position.
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// If a handle's position is changed between callbacks, we need to factor this in to the next callback.
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// Failure to do so will cause the element to "skip" when resized upwards or leftwards.
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var handleRect = node.getBoundingClientRect();
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if (_this2.lastHandleRect != null) {
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// If the handle has repositioned on either axis since last render,
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// we need to increase our callback values by this much.
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// Only checking 'n', 'w' since resizing by 's', 'w' won't affect the overall position on page,
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if (axisH === 'w') {
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var deltaLeftSinceLast = handleRect.left - _this2.lastHandleRect.left;
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deltaX += deltaLeftSinceLast;
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}
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if (axisV === 'n') {
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var deltaTopSinceLast = handleRect.top - _this2.lastHandleRect.top;
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deltaY += deltaTopSinceLast;
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}
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} // Storage of last rect so we know how much it has really moved.
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_this2.lastHandleRect = handleRect; // Reverse delta if using top or left drag handles.
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if (axisH === 'w') deltaX = -deltaX;
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if (axisV === 'n') deltaY = -deltaY; // Update w/h by the deltas. Also factor in transformScale.
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var width = _this2.props.width + (canDragX ? deltaX / _this2.props.transformScale : 0);
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var height = _this2.props.height + (canDragY ? deltaY / _this2.props.transformScale : 0); // Run user-provided constraints.
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var _this2$runConstraints = _this2.runConstraints(width, height);
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width = _this2$runConstraints[0];
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height = _this2$runConstraints[1];
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var dimensionsChanged = width !== _this2.props.width || height !== _this2.props.height; // Call user-supplied callback if present.
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var cb = typeof _this2.props[handlerName] === 'function' ? _this2.props[handlerName] : null; // Don't call 'onResize' if dimensions haven't changed.
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var shouldSkipCb = handlerName === 'onResize' && !dimensionsChanged;
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if (cb && !shouldSkipCb) {
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if (typeof e.persist === 'function') e.persist();
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cb(e, {
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node: node,
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size: {
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width: width,
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height: height
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},
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handle: axis
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});
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} // Reset internal data
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if (handlerName === 'onResizeStop') _this2.resetData();
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};
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};
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_proto.renderResizeHandle = function renderResizeHandle(resizeHandleAxis) {
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var handle = this.props.handle;
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if (handle) {
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if (typeof handle === 'function') {
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return handle(resizeHandleAxis);
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}
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return handle;
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}
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return /*#__PURE__*/_react.default.createElement("span", {
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className: "react-resizable-handle react-resizable-handle-" + resizeHandleAxis
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});
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};
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_proto.render = function render() {
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var _this3 = this;
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// Pass along only props not meant for the `<Resizable>`.`
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// eslint-disable-next-line no-unused-vars
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var _this$props = this.props,
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children = _this$props.children,
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className = _this$props.className,
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draggableOpts = _this$props.draggableOpts,
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width = _this$props.width,
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height = _this$props.height,
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handle = _this$props.handle,
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handleSize = _this$props.handleSize,
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lockAspectRatio = _this$props.lockAspectRatio,
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axis = _this$props.axis,
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minConstraints = _this$props.minConstraints,
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maxConstraints = _this$props.maxConstraints,
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onResize = _this$props.onResize,
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onResizeStop = _this$props.onResizeStop,
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onResizeStart = _this$props.onResizeStart,
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resizeHandles = _this$props.resizeHandles,
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transformScale = _this$props.transformScale,
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p = _objectWithoutPropertiesLoose(_this$props, ["children", "className", "draggableOpts", "width", "height", "handle", "handleSize", "lockAspectRatio", "axis", "minConstraints", "maxConstraints", "onResize", "onResizeStop", "onResizeStart", "resizeHandles", "transformScale"]); // What we're doing here is getting the child of this element, and cloning it with this element's props.
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// We are then defining its children as:
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// Its original children (resizable's child's children), and
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// One or more draggable handles.
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return (0, _utils.cloneElement)(children, _objectSpread(_objectSpread({}, p), {}, {
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className: (className ? className + " " : '') + "react-resizable",
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children: [].concat(children.props.children, resizeHandles.map(function (handleAxis) {
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return /*#__PURE__*/_react.default.createElement(_reactDraggable.DraggableCore, _extends({}, draggableOpts, {
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key: "resizableHandle-" + handleAxis,
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onStop: _this3.resizeHandler('onResizeStop', handleAxis),
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onStart: _this3.resizeHandler('onResizeStart', handleAxis),
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onDrag: _this3.resizeHandler('onResize', handleAxis)
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}), _this3.renderResizeHandle(handleAxis));
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}))
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}));
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};
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return Resizable;
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}(_react.default.Component);
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exports.default = Resizable;
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_defineProperty(Resizable, "propTypes", _propTypes.resizableProps);
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_defineProperty(Resizable, "defaultProps", {
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handleSize: [20, 20],
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lockAspectRatio: false,
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axis: 'both',
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minConstraints: [20, 20],
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maxConstraints: [Infinity, Infinity],
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resizeHandles: ['se'],
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transformScale: 1
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}); |