@atlaskit/editor-plugin-block-controls/dist/cjs/pm-plugins/utils/sparse-surfaces-mapping.js

Block controls plugin for @atlaskit/editor-core

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.reducePendingState = exports.mapTransactionState = exports.isUnchangedTransaction = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
var _sparseSurfaceCandidates = require("./sparse-surface-candidates");
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; }
function _createForOfIteratorHelper(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (!t) { if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var _n = 0, F = function F() {}; return { s: F, n: function n() { return _n >= r.length ? { done: !0 } : { done: !1, value: r[_n++] }; }, e: function e(r) { throw r; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var o, a = !0, u = !1; return { s: function s() { t = t.call(r); }, n: function n() { var r = t.next(); return a = r.done, r; }, e: function e(r) { u = !0, o = r; }, f: function f() { try { a || null == t.return || t.return(); } finally { if (u) throw o; } } }; }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
var mergeInvalidation = function mergeInvalidation(_ref) {
  var _current$ids, _incoming$ids, _current$positions, _incoming$positions, _current$ranges, _incoming$ranges;
  var current = _ref.current,
    incoming = _ref.incoming,
    tr = _ref.tr;
  if (!current && !incoming) {
    return undefined;
  }
  if (!incoming && !tr.docChanged) {
    return current;
  }
  var ids = [].concat((0, _toConsumableArray2.default)((_current$ids = current === null || current === void 0 ? void 0 : current.ids) !== null && _current$ids !== void 0 ? _current$ids : []), (0, _toConsumableArray2.default)((_incoming$ids = incoming === null || incoming === void 0 ? void 0 : incoming.ids) !== null && _incoming$ids !== void 0 ? _incoming$ids : []));
  var positions = [].concat((0, _toConsumableArray2.default)(((_current$positions = current === null || current === void 0 ? void 0 : current.positions) !== null && _current$positions !== void 0 ? _current$positions : []).map(function (position) {
    return tr.mapping.map(position, 1);
  })), (0, _toConsumableArray2.default)((_incoming$positions = incoming === null || incoming === void 0 ? void 0 : incoming.positions) !== null && _incoming$positions !== void 0 ? _incoming$positions : []));
  var ranges = [].concat((0, _toConsumableArray2.default)(((_current$ranges = current === null || current === void 0 ? void 0 : current.ranges) !== null && _current$ranges !== void 0 ? _current$ranges : []).map(function (_ref2) {
    var from = _ref2.from,
      to = _ref2.to;
    return {
      from: tr.mapping.map(from, -1),
      to: tr.mapping.map(to, 1)
    };
  })), (0, _toConsumableArray2.default)((_incoming$ranges = incoming === null || incoming === void 0 ? void 0 : incoming.ranges) !== null && _incoming$ranges !== void 0 ? _incoming$ranges : []));
  return ids.length || positions.length || ranges.length ? {
    ids: ids,
    positions: positions,
    ranges: ranges
  } : undefined;
};
var mapAnchors = function mapAnchors(anchors, tr) {
  if (!tr.docChanged || anchors.size === 0) {
    return anchors;
  }
  var changed = false;
  var mappedAnchors = new Map();
  var _iterator = _createForOfIteratorHelper(anchors),
    _step;
  try {
    for (_iterator.s(); !(_step = _iterator.n()).done;) {
      var _step$value = (0, _slicedToArray2.default)(_step.value, 2),
        position = _step$value[0],
        name = _step$value[1];
      var mapped = tr.mapping.mapResult(position, 1);
      if (!mapped.deleted) {
        mappedAnchors.set(mapped.pos, name);
        changed || (changed = mapped.pos !== position);
      } else {
        changed = true;
      }
    }
  } catch (err) {
    _iterator.e(err);
  } finally {
    _iterator.f();
  }
  return changed ? mappedAnchors : anchors;
};
var reducePendingState = exports.reducePendingState = function reducePendingState(_ref3) {
  var invalidation = _ref3.invalidation,
    previous = _ref3.previous,
    tr = _ref3.tr;
  return {
    invalidation: mergeInvalidation({
      current: previous.invalidation,
      incoming: invalidation,
      tr: tr
    })
  };
};
var isUnchangedTransaction = exports.isUnchangedTransaction = function isUnchangedTransaction(_ref4) {
  var pending = _ref4.pending,
    previous = _ref4.previous,
    tr = _ref4.tr;
  return !tr.docChanged && pending.invalidation === previous.invalidation;
};
var mapTransactionState = exports.mapTransactionState = function mapTransactionState(_ref5) {
  var newState = _ref5.newState,
    pending = _ref5.pending,
    previous = _ref5.previous,
    tr = _ref5.tr;
  return _objectSpread(_objectSpread({}, previous), {}, {
    anchors: mapAnchors(previous.anchors, tr),
    candidates: tr.docChanged ? (0, _sparseSurfaceCandidates.mapSparseSurfaceCandidates)({
      newState: newState,
      previousState: previous.candidates,
      tr: tr
    }) : previous.candidates,
    decorations: tr.docChanged ? previous.decorations.map(tr.mapping, tr.doc) : previous.decorations,
    documentChanged: previous.documentChanged || tr.docChanged,
    invalidation: pending.invalidation
  });
};