@alifd/meet-react/lib/rating/utils.js

Fusion Mobile React UI System Component

"use strict";

exports.__esModule = true;
exports.getDefaultItemRender = getDefaultItemRender;
exports.useTouchChangeEventProps = useTouchChangeEventProps;
var _babelRuntimeJsxStyleTransform = require("@alifd/babel-runtime-jsx-style-transform");
var _tslib = require("tslib");
var _react = _interopRequireWildcard(require("react"));
var _icon = _interopRequireDefault(require("../icon"));
var _view = _interopRequireDefault(require("../view"));
var _classnames = _interopRequireDefault(require("classnames"));
var _utils = require("../utils");
var _hooks = require("../utils/hooks");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
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function computeValue(_ref) {
  var x = _ref.x,
    count = _ref.count,
    width = _ref.width,
    allowHalf = _ref.allowHalf;
  var stepWidth = width / count;
  var xStep = Math.floor(x / stepWidth);
  var remainder = x % stepWidth;
  if (!allowHalf) {
    return remainder ? xStep + 1 : xStep;
  }
  return xStep + (remainder / stepWidth >= 0.5 ? 1 : 0.5);
}
function getDefaultItemRender(_ref2) {
  var iconType = _ref2.iconType,
    size = _ref2.size,
    classnames = _ref2.classnames;
  return function (_ref3) {
    var key = _ref3.key,
      value = _ref3.value,
      isActive = _ref3.isActive,
      isHalfActive = _ref3.isHalfActive;
    return /*#__PURE__*/(0, _react.createElement)(_react.Fragment, null, /*#__PURE__*/(0, _react.createElement)(_icon.default, {
      name: iconType,
      size: size,
      className: isActive ? classnames.activeIcon : classnames.icon
    }), !!isHalfActive && /*#__PURE__*/(0, _react.createElement)(_view.default, {
      key: key + "-overlay",
      className: (0, _classnames.default)(classnames.iconWrapper, classnames.iconWrapper + "--overlay")
    }, /*#__PURE__*/(0, _react.createElement)(_icon.default, {
      name: iconType,
      size: size,
      className: classnames.activeIcon,
      style: (0, _babelRuntimeJsxStyleTransform.rpx2vw4style)({
        width: 100 * (value - key) + "%"
      })
    })));
  };
}
function useTouchChangeEventProps(_ref4) {
  var _this = this;
  var id = _ref4.id,
    value = _ref4.value,
    onChange = _ref4.onChange,
    allowHalf = _ref4.allowHalf,
    count = _ref4.count,
    disabled = _ref4.disabled;
  var containerRectRef = (0, _react.useRef)();
  var debouncedGetContainerRect = (0, _hooks.useDebounce)(function () {
    return (0, _tslib.__awaiter)(_this, void 0, void 0, /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
      var rect;
      return _regeneratorRuntime().wrap(function _callee$(_context) {
        while (1) switch (_context.prev = _context.next) {
          case 0:
            _context.next = 2;
            return (0, _utils.getElementBoundingClientRect)(id);
          case 2:
            rect = _context.sent;
            containerRectRef.current = {
              left: rect.left,
              width: rect.width
            };
          case 4:
          case "end":
            return _context.stop();
        }
      }, _callee);
    }));
  }, 16);
  (0, _react.useEffect)(function () {
    debouncedGetContainerRect();
    return function () {
      debouncedGetContainerRect.cancel();
    };
  });
  var handleChange = (0, _hooks.useDebounce)(function (x, width) {
    var newValue = computeValue({
      x: x,
      allowHalf: allowHalf,
      width: width,
      count: count
    });
    if (value !== newValue) {
      onChange(newValue);
    }
  });
  (0, _react.useEffect)(function () {
    return function () {
      handleChange.cancel();
    };
  }, [handleChange]);
  var handleTouch = function handleTouch(e) {
    var _a, _b;
    var touchX = (_b = (_a = e.touches) === null || _a === void 0 ? void 0 : _a[0]) === null || _b === void 0 ? void 0 : _b.pageX;
    var rect = containerRectRef.current;
    if (rect && typeof touchX === 'number') {
      handleChange(touchX - rect.left, rect.width);
    }
  };
  if (disabled) {
    return {};
  }
  if (_utils.isIOS || _utils.isAndroid) {
    return {
      onTouchStart: function onTouchStart(e) {
        e.preventDefault();
        handleTouch(e);
      },
      onTouchMove: handleTouch,
      onTouchEnd: handleTouch
    };
  }
  return {
    onClick: function handleClick(e) {
      var hoverX = e.pageX;
      var rect = containerRectRef.current;
      if (rect) {
        handleChange(hoverX - rect.left, rect.width);
      }
    }
  };
}