@atlaskit/spotlight

Version:
A spotlight introduces users to points of interest, from focused messages to multi-step tours.
105 lines (103 loc) • 4.15 kB
JavaScript
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getPlacementWithOffset = getPlacementWithOffset;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _placementMap = require("./placement-map");
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) { (0, _defineProperty2.default)(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; }
var DEFAULT_GAP = "var(--ds-space-050, 4px)";
function normalizeOffsetMember(_ref) {
  var value = _ref.value;
  return value !== null && value !== void 0 ? value : 0;
}
function addCssLength(_ref2) {
  var base = _ref2.base,
    delta = _ref2.delta;
  if (delta === 0) {
    return base;
  }
  if (typeof base === 'number') {
    return base + delta;
  }
  var operator = delta > 0 ? '+' : '-';
  return "calc(".concat(base, " ").concat(operator, " ").concat(Math.abs(delta), "px)");
}
function toSignedCrossAxisShiftValue(_ref3) {
  var _crossAxisShift$value;
  var crossAxisShift = _ref3.crossAxisShift;
  var baseValue = (_crossAxisShift$value = crossAxisShift.value) !== null && _crossAxisShift$value !== void 0 ? _crossAxisShift$value : 0;
  if (crossAxisShift.direction === 'forwards') {
    return baseValue;
  }
  if (typeof baseValue === 'number') {
    return -baseValue;
  }
  return "calc(-1 * ".concat(baseValue, ")");
}
function getCrossAxisShiftWithOffset(_ref4) {
  var baseCrossAxisShift = _ref4.baseCrossAxisShift,
    along = _ref4.along;
  if (!baseCrossAxisShift) {
    if (along === 0) {
      return undefined;
    }
    return {
      value: along,
      direction: 'forwards'
    };
  }
  if (along === 0) {
    return baseCrossAxisShift;
  }

  // Collapse sign into the CSS length so additive composition works even
  // when the existing shift is already expressed as a `calc(...)` string.
  return {
    value: addCssLength({
      base: toSignedCrossAxisShiftValue({
        crossAxisShift: baseCrossAxisShift
      }),
      delta: along
    }),
    direction: 'forwards'
  };
}
function getPlacementWithOffset(_ref5) {
  var _basePlacement$offset, _basePlacement$offset2, _basePlacement$offset3;
  var placement = _ref5.placement,
    offset = _ref5.offset;
  var basePlacement = _placementMap.placementMap[placement];
  if (!offset) {
    return basePlacement;
  }
  var _offset = (0, _slicedToArray2.default)(offset, 2),
    alongRaw = _offset[0],
    awayRaw = _offset[1];
  var along = normalizeOffsetMember({
    value: alongRaw
  });
  var away = normalizeOffsetMember({
    value: awayRaw
  });
  if (along === 0 && away === 0) {
    return basePlacement;
  }
  var gap = addCssLength({
    base: (_basePlacement$offset = (_basePlacement$offset2 = basePlacement.offset) === null || _basePlacement$offset2 === void 0 ? void 0 : _basePlacement$offset2.gap) !== null && _basePlacement$offset !== void 0 ? _basePlacement$offset : DEFAULT_GAP,
    delta: away
  });
  var crossAxisShift = getCrossAxisShiftWithOffset({
    baseCrossAxisShift: (_basePlacement$offset3 = basePlacement.offset) === null || _basePlacement$offset3 === void 0 ? void 0 : _basePlacement$offset3.crossAxisShift,
    along: along
  });
  return _objectSpread(_objectSpread({}, basePlacement), {}, {
    offset: _objectSpread(_objectSpread({}, basePlacement.offset), {}, {
      gap: gap
    }, crossAxisShift ? {
      crossAxisShift: crossAxisShift
    } : {})
  });
}