@sanity/desk-tool/lib/components/pane/helpers/_calcPaneResize.js

Tool for managing all sorts of content in a structured manner

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports._calcPaneResize = _calcPaneResize;
var _constants = require("../constants");
function _calcPaneResize(cache, left, right, deltaX) {
  var _left$minWidth, _right$minWidth;
  var sum = {
    flex: cache.left.flex + cache.right.flex,
    width: cache.left.width + cache.right.width
  };
  var leftMinWidth = (_left$minWidth = left.minWidth) !== null && _left$minWidth !== void 0 ? _left$minWidth : _constants.PANE_DEFAULT_MIN_WIDTH;
  var rightMinWidth = (_right$minWidth = right.minWidth) !== null && _right$minWidth !== void 0 ? _right$minWidth : _constants.PANE_DEFAULT_MIN_WIDTH;
  var leftMaxWidth = Math.min(left.maxWidth || Infinity, sum.width - rightMinWidth);
  var rightMaxWidth = Math.min(right.maxWidth || Infinity, sum.width - leftMinWidth);

  // Get min. delta X
  var minDeltaX = leftMinWidth - cache.left.width;
  var rightMinDeltaX = cache.right.width - rightMaxWidth;
  if (minDeltaX < rightMinDeltaX) {
    minDeltaX = rightMinDeltaX;
  }

  // Get max. delta X
  var maxDeltaX = cache.right.width - rightMinWidth;
  var leftMaxDeltaX = leftMaxWidth - cache.left.width;
  if (maxDeltaX > leftMaxDeltaX) {
    maxDeltaX = leftMaxDeltaX;
  }
  var _deltaX = Math.min(Math.max(deltaX, minDeltaX), maxDeltaX);
  var leftW = cache.left.width + _deltaX;
  var rightW = cache.right.width - _deltaX;
  var leftFlex = leftW / sum.width * sum.flex;
  var rightFlex = rightW / sum.width * sum.flex;
  return {
    leftFlex,
    leftW,
    rightFlex,
    rightW
  };
}