@orca-fe/painter/es/AutoScaleBox/AutoScaleBox.js

Konva Painter

var _excluded = ["className", "children", "width", "height", "mode"];
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
import React, { useImperativeHandle, useRef, useState } from 'react';
import { useSizeListener } from '@orca-fe/hooks';
import useStyle from "./AutoScaleBox.style";
import { jsx as _jsx } from "react/jsx-runtime";
var AutoScaleBox = /*#__PURE__*/React.forwardRef((props, pRef) => {
  var _props$className = props.className,
    className = _props$className === void 0 ? '' : _props$className,
    children = props.children,
    width = props.width,
    height = props.height,
    _props$mode = props.mode,
    mode = _props$mode === void 0 ? 'contain' : _props$mode,
    otherProps = _objectWithoutProperties(props, _excluded);
  var styles = useStyle();
  var rootRef = useRef(null);
  useImperativeHandle(pRef, () => rootRef.current);
  var _useState = useState({
      width: 100,
      height: 100
    }),
    _useState2 = _slicedToArray(_useState, 2),
    size = _useState2[0],
    setSize = _useState2[1];
  var _useState3 = useState(1),
    _useState4 = _slicedToArray(_useState3, 2),
    ratio = _useState4[0],
    setRatio = _useState4[1];
  useSizeListener(realSize => {
    var fn = mode === 'contain' ? Math.min : Math.max;
    var ratio = fn(realSize.width / width, realSize.height / height);
    setRatio(ratio);
    setSize(realSize);
  }, rootRef);
  return /*#__PURE__*/_jsx("div", _objectSpread(_objectSpread({
    ref: rootRef,
    className: `${styles.root} ${className}`
  }, otherProps), {}, {
    children: /*#__PURE__*/_jsx("div", {
      className: styles.container,
      style: {
        width: Math.round(size.width / ratio),
        height: Math.round(size.height / ratio),
        transform: `translate(-50%, -50%) scale(${ratio})`
      },
      children: children
    })
  }));
});
export default AutoScaleBox;