bee-tabs/build/utils.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.toArray = toArray;
exports.getActiveIndex = getActiveIndex;
exports.getActiveKey = getActiveKey;
exports.setTransform = setTransform;
exports.isTransformSupported = isTransformSupported;
exports.setTransition = setTransition;
exports.getTransformPropValue = getTransformPropValue;
exports.isVertical = isVertical;
exports.getTransformByIndex = getTransformByIndex;
exports.getMarginStyle = getMarginStyle;
exports.getStyle = getStyle;
exports.setPxStyle = setPxStyle;
exports.getLeft = getLeft;
exports.getTop = getTop;
exports.getDataAttr = getDataAttr;

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

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; } /**
                                                                                                                                                                                                                  * This source code is quoted from rc-tabs.
                                                                                                                                                                                                                  * homepage: https://github.com/react-component/tabs
                                                                                                                                                                                                                  */


function toArray(children) {
  // allow [c,[a,b]]
  var c = [];
  _react2["default"].Children.forEach(children, function (child) {
    if (child) {
      c.push(child);
    }
  });
  return c;
}

function getActiveIndex(children, activeKey) {
  var c = toArray(children);
  for (var i = 0; i < c.length; i++) {
    if (c[i].key === activeKey) {
      return i;
    }
  }
  return -1;
}

function getActiveKey(children, index) {
  var c = toArray(children);
  return c[index].key;
}

function setTransform(style, v) {
  style.transform = v;
  style.webkitTransform = v;
  style.mozTransform = v;
}

function isTransformSupported(style) {
  return 'transform' in style || 'webkitTransform' in style || 'MozTransform' in style;
}

function setTransition(style, v) {
  style.transition = v;
  style.webkitTransition = v;
  style.MozTransition = v;
}
function getTransformPropValue(v) {
  return {
    transform: v,
    WebkitTransform: v,
    MozTransform: v
  };
}

function isVertical(tabBarPosition) {
  return tabBarPosition === 'left' || tabBarPosition === 'right';
}

function getTransformByIndex(index, tabBarPosition) {
  var translate = isVertical(tabBarPosition) ? 'translateY' : 'translateX';
  return translate + '(' + -index * 100 + '%) translateZ(0)';
}

function getMarginStyle(index, tabBarPosition) {
  var marginDirection = isVertical(tabBarPosition) ? 'marginTop' : 'marginLeft';
  return _defineProperty({}, marginDirection, -index * 100 + '%');
}

function getStyle(el, property) {
  return +getComputedStyle(el).getPropertyValue(property).replace('px', '');
}

function setPxStyle(el, property, value) {
  el.style[property] = value + 'px';
}

function toNum(style, property) {
  return +style.getPropertyValue(property).replace('px', '');
}

function getTypeValue(start, current, end, tabNode, wrapperNode) {
  var total = getStyle(wrapperNode, 'padding-' + start);
  if (!tabNode || !tabNode.parentNode) {
    return total;
  }

  var childNodes = tabNode.parentNode.childNodes;

  Array.prototype.some.call(childNodes, function (node) {
    var style = window.getComputedStyle(node);

    if (node !== tabNode) {
      total += toNum(style, 'margin-' + start);
      total += node[current];
      total += toNum(style, 'margin-' + end);

      if (style.boxSizing === 'content-box') {
        total += toNum(style, 'border-' + start + '-width') + toNum(style, 'border-' + end + '-width');
      }
      return false;
    }

    // We need count current node margin
    // ref: https://github.com/react-component/tabs/pull/139#issuecomment-431005262
    total += toNum(style, 'margin-' + start);

    return true;
  });

  return total;
}

function getLeft(tabNode, wrapperNode) {
  return getTypeValue('left', 'offsetWidth', 'right', tabNode, wrapperNode);
}

function getTop(tabNode, wrapperNode) {
  return getTypeValue('top', 'offsetHeight', 'bottom', tabNode, wrapperNode);
}

function getDataAttr(props) {
  return Object.keys(props).reduce(function (prev, key) {
    if (key.substr(0, 5) === 'aria-' || key.substr(0, 5) === 'data-' || key === 'role') {
      prev[key] = props[key];
    }
    return prev;
  }, {});
}