dootask/public/js/tinymce/plugins/table/plugin.js

/**
 * Copyright (c) Tiny Technologies, Inc. All rights reserved.
 * Licensed under the LGPL or a commercial license.
 * For LGPL see License.txt in the project root for license information.
 * For commercial licenses see https://www.tiny.cloud/
 *
 * Version: 5.10.3 (2022-02-09)
 */
(function () {
    'use strict';

    var typeOf = function (x) {
      var t = typeof x;
      if (x === null) {
        return 'null';
      } else if (t === 'object' && (Array.prototype.isPrototypeOf(x) || x.constructor && x.constructor.name === 'Array')) {
        return 'array';
      } else if (t === 'object' && (String.prototype.isPrototypeOf(x) || x.constructor && x.constructor.name === 'String')) {
        return 'string';
      } else {
        return t;
      }
    };
    var isType$1 = function (type) {
      return function (value) {
        return typeOf(value) === type;
      };
    };
    var isSimpleType = function (type) {
      return function (value) {
        return typeof value === type;
      };
    };
    var eq$2 = function (t) {
      return function (a) {
        return t === a;
      };
    };
    var isString = isType$1('string');
    var isObject = isType$1('object');
    var isArray = isType$1('array');
    var isNull = eq$2(null);
    var isBoolean = isSimpleType('boolean');
    var isUndefined = eq$2(undefined);
    var isNullable = function (a) {
      return a === null || a === undefined;
    };
    var isNonNullable = function (a) {
      return !isNullable(a);
    };
    var isFunction = isSimpleType('function');
    var isNumber = isSimpleType('number');

    var noop = function () {
    };
    var compose = function (fa, fb) {
      return function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
          args[_i] = arguments[_i];
        }
        return fa(fb.apply(null, args));
      };
    };
    var compose1 = function (fbc, fab) {
      return function (a) {
        return fbc(fab(a));
      };
    };
    var constant = function (value) {
      return function () {
        return value;
      };
    };
    var identity = function (x) {
      return x;
    };
    var tripleEquals = function (a, b) {
      return a === b;
    };
    function curry(fn) {
      var initialArgs = [];
      for (var _i = 1; _i < arguments.length; _i++) {
        initialArgs[_i - 1] = arguments[_i];
      }
      return function () {
        var restArgs = [];
        for (var _i = 0; _i < arguments.length; _i++) {
          restArgs[_i] = arguments[_i];
        }
        var all = initialArgs.concat(restArgs);
        return fn.apply(null, all);
      };
    }
    var not = function (f) {
      return function (t) {
        return !f(t);
      };
    };
    var die = function (msg) {
      return function () {
        throw new Error(msg);
      };
    };
    var never = constant(false);
    var always = constant(true);

    var none$2 = function () {
      return NONE;
    };
    var NONE = function () {
      var call = function (thunk) {
        return thunk();
      };
      var id = identity;
      var me = {
        fold: function (n, _s) {
          return n();
        },
        isSome: never,
        isNone: always,
        getOr: id,
        getOrThunk: call,
        getOrDie: function (msg) {
          throw new Error(msg || 'error: getOrDie called on none.');
        },
        getOrNull: constant(null),
        getOrUndefined: constant(undefined),
        or: id,
        orThunk: call,
        map: none$2,
        each: noop,
        bind: none$2,
        exists: never,
        forall: always,
        filter: function () {
          return none$2();
        },
        toArray: function () {
          return [];
        },
        toString: constant('none()')
      };
      return me;
    }();
    var some = function (a) {
      var constant_a = constant(a);
      var self = function () {
        return me;
      };
      var bind = function (f) {
        return f(a);
      };
      var me = {
        fold: function (n, s) {
          return s(a);
        },
        isSome: always,
        isNone: never,
        getOr: constant_a,
        getOrThunk: constant_a,
        getOrDie: constant_a,
        getOrNull: constant_a,
        getOrUndefined: constant_a,
        or: self,
        orThunk: self,
        map: function (f) {
          return some(f(a));
        },
        each: function (f) {
          f(a);
        },
        bind: bind,
        exists: bind,
        forall: bind,
        filter: function (f) {
          return f(a) ? me : NONE;
        },
        toArray: function () {
          return [a];
        },
        toString: function () {
          return 'some(' + a + ')';
        }
      };
      return me;
    };
    var from$1 = function (value) {
      return value === null || value === undefined ? NONE : some(value);
    };
    var Optional = {
      some: some,
      none: none$2,
      from: from$1
    };

    var nativeSlice = Array.prototype.slice;
    var nativeIndexOf = Array.prototype.indexOf;
    var nativePush = Array.prototype.push;
    var rawIndexOf = function (ts, t) {
      return nativeIndexOf.call(ts, t);
    };
    var contains$2 = function (xs, x) {
      return rawIndexOf(xs, x) > -1;
    };
    var exists = function (xs, pred) {
      for (var i = 0, len = xs.length; i < len; i++) {
        var x = xs[i];
        if (pred(x, i)) {
          return true;
        }
      }
      return false;
    };
    var range$1 = function (num, f) {
      var r = [];
      for (var i = 0; i < num; i++) {
        r.push(f(i));
      }
      return r;
    };
    var map$1 = function (xs, f) {
      var len = xs.length;
      var r = new Array(len);
      for (var i = 0; i < len; i++) {
        var x = xs[i];
        r[i] = f(x, i);
      }
      return r;
    };
    var each$2 = function (xs, f) {
      for (var i = 0, len = xs.length; i < len; i++) {
        var x = xs[i];
        f(x, i);
      }
    };
    var eachr = function (xs, f) {
      for (var i = xs.length - 1; i >= 0; i--) {
        var x = xs[i];
        f(x, i);
      }
    };
    var partition = function (xs, pred) {
      var pass = [];
      var fail = [];
      for (var i = 0, len = xs.length; i < len; i++) {
        var x = xs[i];
        var arr = pred(x, i) ? pass : fail;
        arr.push(x);
      }
      return {
        pass: pass,
        fail: fail
      };
    };
    var filter$2 = function (xs, pred) {
      var r = [];
      for (var i = 0, len = xs.length; i < len; i++) {
        var x = xs[i];
        if (pred(x, i)) {
          r.push(x);
        }
      }
      return r;
    };
    var foldr = function (xs, f, acc) {
      eachr(xs, function (x, i) {
        acc = f(acc, x, i);
      });
      return acc;
    };
    var foldl = function (xs, f, acc) {
      each$2(xs, function (x, i) {
        acc = f(acc, x, i);
      });
      return acc;
    };
    var findUntil = function (xs, pred, until) {
      for (var i = 0, len = xs.length; i < len; i++) {
        var x = xs[i];
        if (pred(x, i)) {
          return Optional.some(x);
        } else if (until(x, i)) {
          break;
        }
      }
      return Optional.none();
    };
    var find$1 = function (xs, pred) {
      return findUntil(xs, pred, never);
    };
    var findIndex = function (xs, pred) {
      for (var i = 0, len = xs.length; i < len; i++) {
        var x = xs[i];
        if (pred(x, i)) {
          return Optional.some(i);
        }
      }
      return Optional.none();
    };
    var flatten$1 = function (xs) {
      var r = [];
      for (var i = 0, len = xs.length; i < len; ++i) {
        if (!isArray(xs[i])) {
          throw new Error('Arr.flatten item ' + i + ' was not an array, input: ' + xs);
        }
        nativePush.apply(r, xs[i]);
      }
      return r;
    };
    var bind$2 = function (xs, f) {
      return flatten$1(map$1(xs, f));
    };
    var forall = function (xs, pred) {
      for (var i = 0, len = xs.length; i < len; ++i) {
        var x = xs[i];
        if (pred(x, i) !== true) {
          return false;
        }
      }
      return true;
    };
    var reverse = function (xs) {
      var r = nativeSlice.call(xs, 0);
      r.reverse();
      return r;
    };
    var mapToObject = function (xs, f) {
      var r = {};
      for (var i = 0, len = xs.length; i < len; i++) {
        var x = xs[i];
        r[String(x)] = f(x, i);
      }
      return r;
    };
    var pure = function (x) {
      return [x];
    };
    var sort$1 = function (xs, comparator) {
      var copy = nativeSlice.call(xs, 0);
      copy.sort(comparator);
      return copy;
    };
    var get$d = function (xs, i) {
      return i >= 0 && i < xs.length ? Optional.some(xs[i]) : Optional.none();
    };
    var head = function (xs) {
      return get$d(xs, 0);
    };
    var last$2 = function (xs) {
      return get$d(xs, xs.length - 1);
    };
    var findMap = function (arr, f) {
      for (var i = 0; i < arr.length; i++) {
        var r = f(arr[i], i);
        if (r.isSome()) {
          return r;
        }
      }
      return Optional.none();
    };

    var __assign = function () {
      __assign = Object.assign || function __assign(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
          s = arguments[i];
          for (var p in s)
            if (Object.prototype.hasOwnProperty.call(s, p))
              t[p] = s[p];
        }
        return t;
      };
      return __assign.apply(this, arguments);
    };
    function __spreadArray(to, from, pack) {
      if (pack || arguments.length === 2)
        for (var i = 0, l = from.length, ar; i < l; i++) {
          if (ar || !(i in from)) {
            if (!ar)
              ar = Array.prototype.slice.call(from, 0, i);
            ar[i] = from[i];
          }
        }
      return to.concat(ar || Array.prototype.slice.call(from));
    }

    var cached = function (f) {
      var called = false;
      var r;
      return function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
          args[_i] = arguments[_i];
        }
        if (!called) {
          called = true;
          r = f.apply(null, args);
        }
        return r;
      };
    };

    var DeviceType = function (os, browser, userAgent, mediaMatch) {
      var isiPad = os.isiOS() && /ipad/i.test(userAgent) === true;
      var isiPhone = os.isiOS() && !isiPad;
      var isMobile = os.isiOS() || os.isAndroid();
      var isTouch = isMobile || mediaMatch('(pointer:coarse)');
      var isTablet = isiPad || !isiPhone && isMobile && mediaMatch('(min-device-width:768px)');
      var isPhone = isiPhone || isMobile && !isTablet;
      var iOSwebview = browser.isSafari() && os.isiOS() && /safari/i.test(userAgent) === false;
      var isDesktop = !isPhone && !isTablet && !iOSwebview;
      return {
        isiPad: constant(isiPad),
        isiPhone: constant(isiPhone),
        isTablet: constant(isTablet),
        isPhone: constant(isPhone),
        isTouch: constant(isTouch),
        isAndroid: os.isAndroid,
        isiOS: os.isiOS,
        isWebView: constant(iOSwebview),
        isDesktop: constant(isDesktop)
      };
    };

    var firstMatch = function (regexes, s) {
      for (var i = 0; i < regexes.length; i++) {
        var x = regexes[i];
        if (x.test(s)) {
          return x;
        }
      }
      return undefined;
    };
    var find = function (regexes, agent) {
      var r = firstMatch(regexes, agent);
      if (!r) {
        return {
          major: 0,
          minor: 0
        };
      }
      var group = function (i) {
        return Number(agent.replace(r, '$' + i));
      };
      return nu$2(group(1), group(2));
    };
    var detect$6 = function (versionRegexes, agent) {
      var cleanedAgent = String(agent).toLowerCase();
      if (versionRegexes.length === 0) {
        return unknown$2();
      }
      return find(versionRegexes, cleanedAgent);
    };
    var unknown$2 = function () {
      return nu$2(0, 0);
    };
    var nu$2 = function (major, minor) {
      return {
        major: major,
        minor: minor
      };
    };
    var Version = {
      nu: nu$2,
      detect: detect$6,
      unknown: unknown$2
    };

    var detectBrowser$1 = function (browsers, userAgentData) {
      return findMap(userAgentData.brands, function (uaBrand) {
        var lcBrand = uaBrand.brand.toLowerCase();
        return find$1(browsers, function (browser) {
          var _a;
          return lcBrand === ((_a = browser.brand) === null || _a === void 0 ? void 0 : _a.toLowerCase());
        }).map(function (info) {
          return {
            current: info.name,
            version: Version.nu(parseInt(uaBrand.version, 10), 0)
          };
        });
      });
    };

    var detect$5 = function (candidates, userAgent) {
      var agent = String(userAgent).toLowerCase();
      return find$1(candidates, function (candidate) {
        return candidate.search(agent);
      });
    };
    var detectBrowser = function (browsers, userAgent) {
      return detect$5(browsers, userAgent).map(function (browser) {
        var version = Version.detect(browser.versionRegexes, userAgent);
        return {
          current: browser.name,
          version: version
        };
      });
    };
    var detectOs = function (oses, userAgent) {
      return detect$5(oses, userAgent).map(function (os) {
        var version = Version.detect(os.versionRegexes, userAgent);
        return {
          current: os.name,
          version: version
        };
      });
    };

    var removeFromStart = function (str, numChars) {
      return str.substring(numChars);
    };

    var checkRange = function (str, substr, start) {
      return substr === '' || str.length >= substr.length && str.substr(start, start + substr.length) === substr;
    };
    var removeLeading = function (str, prefix) {
      return startsWith(str, prefix) ? removeFromStart(str, prefix.length) : str;
    };
    var contains$1 = function (str, substr) {
      return str.indexOf(substr) !== -1;
    };
    var startsWith = function (str, prefix) {
      return checkRange(str, prefix, 0);
    };
    var endsWith = function (str, suffix) {
      return checkRange(str, suffix, str.length - suffix.length);
    };
    var blank = function (r) {
      return function (s) {
        return s.replace(r, '');
      };
    };
    var trim = blank(/^\s+|\s+$/g);
    var isNotEmpty = function (s) {
      return s.length > 0;
    };
    var isEmpty$1 = function (s) {
      return !isNotEmpty(s);
    };
    var toFloat = function (value) {
      var num = parseFloat(value);
      return isNaN(num) ? Optional.none() : Optional.some(num);
    };

    var normalVersionRegex = /.*?version\/\ ?([0-9]+)\.([0-9]+).*/;
    var checkContains = function (target) {
      return function (uastring) {
        return contains$1(uastring, target);
      };
    };
    var browsers = [
      {
        name: 'Edge',
        versionRegexes: [/.*?edge\/ ?([0-9]+)\.([0-9]+)$/],
        search: function (uastring) {
          return contains$1(uastring, 'edge/') && contains$1(uastring, 'chrome') && contains$1(uastring, 'safari') && contains$1(uastring, 'applewebkit');
        }
      },
      {
        name: 'Chrome',
        brand: 'Chromium',
        versionRegexes: [
          /.*?chrome\/([0-9]+)\.([0-9]+).*/,
          normalVersionRegex
        ],
        search: function (uastring) {
          return contains$1(uastring, 'chrome') && !contains$1(uastring, 'chromeframe');
        }
      },
      {
        name: 'IE',
        versionRegexes: [
          /.*?msie\ ?([0-9]+)\.([0-9]+).*/,
          /.*?rv:([0-9]+)\.([0-9]+).*/
        ],
        search: function (uastring) {
          return contains$1(uastring, 'msie') || contains$1(uastring, 'trident');
        }
      },
      {
        name: 'Opera',
        versionRegexes: [
          normalVersionRegex,
          /.*?opera\/([0-9]+)\.([0-9]+).*/
        ],
        search: checkContains('opera')
      },
      {
        name: 'Firefox',
        versionRegexes: [/.*?firefox\/\ ?([0-9]+)\.([0-9]+).*/],
        search: checkContains('firefox')
      },
      {
        name: 'Safari',
        versionRegexes: [
          normalVersionRegex,
          /.*?cpu os ([0-9]+)_([0-9]+).*/
        ],
        search: function (uastring) {
          return (contains$1(uastring, 'safari') || contains$1(uastring, 'mobile/')) && contains$1(uastring, 'applewebkit');
        }
      }
    ];
    var oses = [
      {
        name: 'Windows',
        search: checkContains('win'),
        versionRegexes: [/.*?windows\ nt\ ?([0-9]+)\.([0-9]+).*/]
      },
      {
        name: 'iOS',
        search: function (uastring) {
          return contains$1(uastring, 'iphone') || contains$1(uastring, 'ipad');
        },
        versionRegexes: [
          /.*?version\/\ ?([0-9]+)\.([0-9]+).*/,
          /.*cpu os ([0-9]+)_([0-9]+).*/,
          /.*cpu iphone os ([0-9]+)_([0-9]+).*/
        ]
      },
      {
        name: 'Android',
        search: checkContains('android'),
        versionRegexes: [/.*?android\ ?([0-9]+)\.([0-9]+).*/]
      },
      {
        name: 'OSX',
        search: checkContains('mac os x'),
        versionRegexes: [/.*?mac\ os\ x\ ?([0-9]+)_([0-9]+).*/]
      },
      {
        name: 'Linux',
        search: checkContains('linux'),
        versionRegexes: []
      },
      {
        name: 'Solaris',
        search: checkContains('sunos'),
        versionRegexes: []
      },
      {
        name: 'FreeBSD',
        search: checkContains('freebsd'),
        versionRegexes: []
      },
      {
        name: 'ChromeOS',
        search: checkContains('cros'),
        versionRegexes: [/.*?chrome\/([0-9]+)\.([0-9]+).*/]
      }
    ];
    var PlatformInfo = {
      browsers: constant(browsers),
      oses: constant(oses)
    };

    var edge = 'Edge';
    var chrome = 'Chrome';
    var ie = 'IE';
    var opera = 'Opera';
    var firefox = 'Firefox';
    var safari = 'Safari';
    var unknown$1 = function () {
      return nu$1({
        current: undefined,
        version: Version.unknown()
      });
    };
    var nu$1 = function (info) {
      var current = info.current;
      var version = info.version;
      var isBrowser = function (name) {
        return function () {
          return current === name;
        };
      };
      return {
        current: current,
        version: version,
        isEdge: isBrowser(edge),
        isChrome: isBrowser(chrome),
        isIE: isBrowser(ie),
        isOpera: isBrowser(opera),
        isFirefox: isBrowser(firefox),
        isSafari: isBrowser(safari)
      };
    };
    var Browser = {
      unknown: unknown$1,
      nu: nu$1,
      edge: constant(edge),
      chrome: constant(chrome),
      ie: constant(ie),
      opera: constant(opera),
      firefox: constant(firefox),
      safari: constant(safari)
    };

    var windows = 'Windows';
    var ios = 'iOS';
    var android = 'Android';
    var linux = 'Linux';
    var osx = 'OSX';
    var solaris = 'Solaris';
    var freebsd = 'FreeBSD';
    var chromeos = 'ChromeOS';
    var unknown = function () {
      return nu({
        current: undefined,
        version: Version.unknown()
      });
    };
    var nu = function (info) {
      var current = info.current;
      var version = info.version;
      var isOS = function (name) {
        return function () {
          return current === name;
        };
      };
      return {
        current: current,
        version: version,
        isWindows: isOS(windows),
        isiOS: isOS(ios),
        isAndroid: isOS(android),
        isOSX: isOS(osx),
        isLinux: isOS(linux),
        isSolaris: isOS(solaris),
        isFreeBSD: isOS(freebsd),
        isChromeOS: isOS(chromeos)
      };
    };
    var OperatingSystem = {
      unknown: unknown,
      nu: nu,
      windows: constant(windows),
      ios: constant(ios),
      android: constant(android),
      linux: constant(linux),
      osx: constant(osx),
      solaris: constant(solaris),
      freebsd: constant(freebsd),
      chromeos: constant(chromeos)
    };

    var detect$4 = function (userAgent, userAgentDataOpt, mediaMatch) {
      var browsers = PlatformInfo.browsers();
      var oses = PlatformInfo.oses();
      var browser = userAgentDataOpt.bind(function (userAgentData) {
        return detectBrowser$1(browsers, userAgentData);
      }).orThunk(function () {
        return detectBrowser(browsers, userAgent);
      }).fold(Browser.unknown, Browser.nu);
      var os = detectOs(oses, userAgent).fold(OperatingSystem.unknown, OperatingSystem.nu);
      var deviceType = DeviceType(os, browser, userAgent, mediaMatch);
      return {
        browser: browser,
        os: os,
        deviceType: deviceType
      };
    };
    var PlatformDetection = { detect: detect$4 };

    var mediaMatch = function (query) {
      return window.matchMedia(query).matches;
    };
    var platform = cached(function () {
      return PlatformDetection.detect(navigator.userAgent, Optional.from(navigator.userAgentData), mediaMatch);
    });
    var detect$3 = function () {
      return platform();
    };

    var compareDocumentPosition = function (a, b, match) {
      return (a.compareDocumentPosition(b) & match) !== 0;
    };
    var documentPositionContainedBy = function (a, b) {
      return compareDocumentPosition(a, b, Node.DOCUMENT_POSITION_CONTAINED_BY);
    };

    var COMMENT = 8;
    var DOCUMENT = 9;
    var DOCUMENT_FRAGMENT = 11;
    var ELEMENT = 1;
    var TEXT = 3;

    var fromHtml$1 = function (html, scope) {
      var doc = scope || document;
      var div = doc.createElement('div');
      div.innerHTML = html;
      if (!div.hasChildNodes() || div.childNodes.length > 1) {
        console.error('HTML does not have a single root node', html);
        throw new Error('HTML must have a single root node');
      }
      return fromDom$1(div.childNodes[0]);
    };
    var fromTag = function (tag, scope) {
      var doc = scope || document;
      var node = doc.createElement(tag);
      return fromDom$1(node);
    };
    var fromText = function (text, scope) {
      var doc = scope || document;
      var node = doc.createTextNode(text);
      return fromDom$1(node);
    };
    var fromDom$1 = function (node) {
      if (node === null || node === undefined) {
        throw new Error('Node cannot be null or undefined');
      }
      return { dom: node };
    };
    var fromPoint$1 = function (docElm, x, y) {
      return Optional.from(docElm.dom.elementFromPoint(x, y)).map(fromDom$1);
    };
    var SugarElement = {
      fromHtml: fromHtml$1,
      fromTag: fromTag,
      fromText: fromText,
      fromDom: fromDom$1,
      fromPoint: fromPoint$1
    };

    var is$2 = function (element, selector) {
      var dom = element.dom;
      if (dom.nodeType !== ELEMENT) {
        return false;
      } else {
        var elem = dom;
        if (elem.matches !== undefined) {
          return elem.matches(selector);
        } else if (elem.msMatchesSelector !== undefined) {
          return elem.msMatchesSelector(selector);
        } else if (elem.webkitMatchesSelector !== undefined) {
          return elem.webkitMatchesSelector(selector);
        } else if (elem.mozMatchesSelector !== undefined) {
          return elem.mozMatchesSelector(selector);
        } else {
          throw new Error('Browser lacks native selectors');
        }
      }
    };
    var bypassSelector = function (dom) {
      return dom.nodeType !== ELEMENT && dom.nodeType !== DOCUMENT && dom.nodeType !== DOCUMENT_FRAGMENT || dom.childElementCount === 0;
    };
    var all$1 = function (selector, scope) {
      var base = scope === undefined ? document : scope.dom;
      return bypassSelector(base) ? [] : map$1(base.querySelectorAll(selector), SugarElement.fromDom);
    };
    var one = function (selector, scope) {
      var base = scope === undefined ? document : scope.dom;
      return bypassSelector(base) ? Optional.none() : Optional.from(base.querySelector(selector)).map(SugarElement.fromDom);
    };

    var eq$1 = function (e1, e2) {
      return e1.dom === e2.dom;
    };
    var regularContains = function (e1, e2) {
      var d1 = e1.dom;
      var d2 = e2.dom;
      return d1 === d2 ? false : d1.contains(d2);
    };
    var ieContains = function (e1, e2) {
      return documentPositionContainedBy(e1.dom, e2.dom);
    };
    var contains = function (e1, e2) {
      return detect$3().browser.isIE() ? ieContains(e1, e2) : regularContains(e1, e2);
    };
    var is$1 = is$2;

    var keys = Object.keys;
    var hasOwnProperty = Object.hasOwnProperty;
    var each$1 = function (obj, f) {
      var props = keys(obj);
      for (var k = 0, len = props.length; k < len; k++) {
        var i = props[k];
        var x = obj[i];
        f(x, i);
      }
    };
    var map = function (obj, f) {
      return tupleMap(obj, function (x, i) {
        return {
          k: i,
          v: f(x, i)
        };
      });
    };
    var tupleMap = function (obj, f) {
      var r = {};
      each$1(obj, function (x, i) {
        var tuple = f(x, i);
        r[tuple.k] = tuple.v;
      });
      return r;
    };
    var objAcc = function (r) {
      return function (x, i) {
        r[i] = x;
      };
    };
    var internalFilter = function (obj, pred, onTrue, onFalse) {
      var r = {};
      each$1(obj, function (x, i) {
        (pred(x, i) ? onTrue : onFalse)(x, i);
      });
      return r;
    };
    var filter$1 = function (obj, pred) {
      var t = {};
      internalFilter(obj, pred, objAcc(t), noop);
      return t;
    };
    var mapToArray = function (obj, f) {
      var r = [];
      each$1(obj, function (value, name) {
        r.push(f(value, name));
      });
      return r;
    };
    var values = function (obj) {
      return mapToArray(obj, identity);
    };
    var size = function (obj) {
      return keys(obj).length;
    };
    var get$c = function (obj, key) {
      return has$1(obj, key) ? Optional.from(obj[key]) : Optional.none();
    };
    var has$1 = function (obj, key) {
      return hasOwnProperty.call(obj, key);
    };
    var hasNonNullableKey = function (obj, key) {
      return has$1(obj, key) && obj[key] !== undefined && obj[key] !== null;
    };
    var isEmpty = function (r) {
      for (var x in r) {
        if (hasOwnProperty.call(r, x)) {
          return false;
        }
      }
      return true;
    };

    var validSectionList = [
      'tfoot',
      'thead',
      'tbody',
      'colgroup'
    ];
    var isValidSection = function (parentName) {
      return contains$2(validSectionList, parentName);
    };
    var grid = function (rows, columns) {
      return {
        rows: rows,
        columns: columns
      };
    };
    var address = function (row, column) {
      return {
        row: row,
        column: column
      };
    };
    var detail = function (element, rowspan, colspan) {
      return {
        element: element,
        rowspan: rowspan,
        colspan: colspan
      };
    };
    var detailnew = function (element, rowspan, colspan, isNew) {
      return {
        element: element,
        rowspan: rowspan,
        colspan: colspan,
        isNew: isNew
      };
    };
    var extended = function (element, rowspan, colspan, row, column, isLocked) {
      return {
        element: element,
        rowspan: rowspan,
        colspan: colspan,
        row: row,
        column: column,
        isLocked: isLocked
      };
    };
    var rowdetail = function (element, cells, section) {
      return {
        element: element,
        cells: cells,
        section: section
      };
    };
    var rowdetailnew = function (element, cells, section, isNew) {
      return {
        element: element,
        cells: cells,
        section: section,
        isNew: isNew
      };
    };
    var elementnew = function (element, isNew, isLocked) {
      return {
        element: element,
        isNew: isNew,
        isLocked: isLocked
      };
    };
    var rowcells = function (element, cells, section, isNew) {
      return {
        element: element,
        cells: cells,
        section: section,
        isNew: isNew
      };
    };
    var bounds = function (startRow, startCol, finishRow, finishCol) {
      return {
        startRow: startRow,
        startCol: startCol,
        finishRow: finishRow,
        finishCol: finishCol
      };
    };
    var columnext = function (element, colspan, column) {
      return {
        element: element,
        colspan: colspan,
        column: column
      };
    };
    var colgroup = function (element, columns) {
      return {
        element: element,
        columns: columns
      };
    };

    typeof window !== 'undefined' ? window : Function('return this;')();

    var name = function (element) {
      var r = element.dom.nodeName;
      return r.toLowerCase();
    };
    var type$1 = function (element) {
      return element.dom.nodeType;
    };
    var isType = function (t) {
      return function (element) {
        return type$1(element) === t;
      };
    };
    var isComment = function (element) {
      return type$1(element) === COMMENT || name(element) === '#comment';
    };
    var isElement = isType(ELEMENT);
    var isText = isType(TEXT);
    var isDocument = isType(DOCUMENT);
    var isDocumentFragment = isType(DOCUMENT_FRAGMENT);
    var isTag = function (tag) {
      return function (e) {
        return isElement(e) && name(e) === tag;
      };
    };

    var owner = function (element) {
      return SugarElement.fromDom(element.dom.ownerDocument);
    };
    var documentOrOwner = function (dos) {
      return isDocument(dos) ? dos : owner(dos);
    };
    var defaultView = function (element) {
      return SugarElement.fromDom(documentOrOwner(element).dom.defaultView);
    };
    var parent = function (element) {
      return Optional.from(element.dom.parentNode).map(SugarElement.fromDom);
    };
    var parentElement = function (element) {
      return Optional.from(element.dom.parentElement).map(SugarElement.fromDom);
    };
    var parents = function (element, isRoot) {
      var stop = isFunction(isRoot) ? isRoot : never;
      var dom = element.dom;
      var ret = [];
      while (dom.parentNode !== null && dom.parentNode !== undefined) {
        var rawParent = dom.parentNode;
        var p = SugarElement.fromDom(rawParent);
        ret.push(p);
        if (stop(p) === true) {
          break;
        } else {
          dom = rawParent;
        }
      }
      return ret;
    };
    var prevSibling = function (element) {
      return Optional.from(element.dom.previousSibling).map(SugarElement.fromDom);
    };
    var nextSibling = function (element) {
      return Optional.from(element.dom.nextSibling).map(SugarElement.fromDom);
    };
    var children$3 = function (element) {
      return map$1(element.dom.childNodes, SugarElement.fromDom);
    };
    var child$3 = function (element, index) {
      var cs = element.dom.childNodes;
      return Optional.from(cs[index]).map(SugarElement.fromDom);
    };
    var firstChild = function (element) {
      return child$3(element, 0);
    };

    var isShadowRoot = function (dos) {
      return isDocumentFragment(dos) && isNonNullable(dos.dom.host);
    };
    var supported = isFunction(Element.prototype.attachShadow) && isFunction(Node.prototype.getRootNode);
    var isSupported$1 = constant(supported);
    var getRootNode = supported ? function (e) {
      return SugarElement.fromDom(e.dom.getRootNode());
    } : documentOrOwner;
    var getShadowRoot = function (e) {
      var r = getRootNode(e);
      return isShadowRoot(r) ? Optional.some(r) : Optional.none();
    };
    var getShadowHost = function (e) {
      return SugarElement.fromDom(e.dom.host);
    };
    var getOriginalEventTarget = function (event) {
      if (isSupported$1() && isNonNullable(event.target)) {
        var el = SugarElement.fromDom(event.target);
        if (isElement(el) && isOpenShadowHost(el)) {
          if (event.composed && event.composedPath) {
            var composedPath = event.composedPath();
            if (composedPath) {
              return head(composedPath);
            }
          }
        }
      }
      return Optional.from(event.target);
    };
    var isOpenShadowHost = function (element) {
      return isNonNullable(element.dom.shadowRoot);
    };

    var inBody = function (element) {
      var dom = isText(element) ? element.dom.parentNode : element.dom;
      if (dom === undefined || dom === null || dom.ownerDocument === null) {
        return false;
      }
      var doc = dom.ownerDocument;
      return getShadowRoot(SugarElement.fromDom(dom)).fold(function () {
        return doc.body.contains(dom);
      }, compose1(inBody, getShadowHost));
    };
    var body$1 = function () {
      return getBody$1(SugarElement.fromDom(document));
    };
    var getBody$1 = function (doc) {
      var b = doc.dom.body;
      if (b === null || b === undefined) {
        throw new Error('Body is not available yet');
      }
      return SugarElement.fromDom(b);
    };

    var ancestors$4 = function (scope, predicate, isRoot) {
      return filter$2(parents(scope, isRoot), predicate);
    };
    var children$2 = function (scope, predicate) {
      return filter$2(children$3(scope), predicate);
    };
    var descendants$1 = function (scope, predicate) {
      var result = [];
      each$2(children$3(scope), function (x) {
        if (predicate(x)) {
          result = result.concat([x]);
        }
        result = result.concat(descendants$1(x, predicate));
      });
      return result;
    };

    var ancestors$3 = function (scope, selector, isRoot) {
      return ancestors$4(scope, function (e) {
        return is$2(e, selector);
      }, isRoot);
    };
    var children$1 = function (scope, selector) {
      return children$2(scope, function (e) {
        return is$2(e, selector);
      });
    };
    var descendants = function (scope, selector) {
      return all$1(selector, scope);
    };

    function ClosestOrAncestor (is, ancestor, scope, a, isRoot) {
      if (is(scope, a)) {
        return Optional.some(scope);
      } else if (isFunction(isRoot) && isRoot(scope)) {
        return Optional.none();
      } else {
        return ancestor(scope, a, isRoot);
      }
    }

    var ancestor$2 = function (scope, predicate, isRoot) {
      var element = scope.dom;
      var stop = isFunction(isRoot) ? isRoot : never;
      while (element.parentNode) {
        element = element.parentNode;
        var el = SugarElement.fromDom(element);
        if (predicate(el)) {
          return Optional.some(el);
        } else if (stop(el)) {
          break;
        }
      }
      return Optional.none();
    };
    var closest$2 = function (scope, predicate, isRoot) {
      var is = function (s, test) {
        return test(s);
      };
      return ClosestOrAncestor(is, ancestor$2, scope, predicate, isRoot);
    };
    var child$2 = function (scope, predicate) {
      var pred = function (node) {
        return predicate(SugarElement.fromDom(node));
      };
      var result = find$1(scope.dom.childNodes, pred);
      return result.map(SugarElement.fromDom);
    };
    var descendant$1 = function (scope, predicate) {
      var descend = function (node) {
        for (var i = 0; i < node.childNodes.length; i++) {
          var child_1 = SugarElement.fromDom(node.childNodes[i]);
          if (predicate(child_1)) {
            return Optional.some(child_1);
          }
          var res = descend(node.childNodes[i]);
          if (res.isSome()) {
            return res;
          }
        }
        return Optional.none();
      };
      return descend(scope.dom);
    };

    var ancestor$1 = function (scope, selector, isRoot) {
      return ancestor$2(scope, function (e) {
        return is$2(e, selector);
      }, isRoot);
    };
    var child$1 = function (scope, selector) {
      return child$2(scope, function (e) {
        return is$2(e, selector);
      });
    };
    var descendant = function (scope, selector) {
      return one(selector, scope);
    };
    var closest$1 = function (scope, selector, isRoot) {
      var is = function (element, selector) {
        return is$2(element, selector);
      };
      return ClosestOrAncestor(is, ancestor$1, scope, selector, isRoot);
    };

    var rawSet = function (dom, key, value) {
      if (isString(value) || isBoolean(value) || isNumber(value)) {
        dom.setAttribute(key, value + '');
      } else {
        console.error('Invalid call to Attribute.set. Key ', key, ':: Value ', value, ':: Element ', dom);
        throw new Error('Attribute value was not simple');
      }
    };
    var set$2 = function (element, key, value) {
      rawSet(element.dom, key, value);
    };
    var setAll$1 = function (element, attrs) {
      var dom = element.dom;
      each$1(attrs, function (v, k) {
        rawSet(dom, k, v);
      });
    };
    var setOptions = function (element, attrs) {
      each$1(attrs, function (v, k) {
        v.fold(function () {
          remove$7(element, k);
        }, function (value) {
          rawSet(element.dom, k, value);
        });
      });
    };
    var get$b = function (element, key) {
      var v = element.dom.getAttribute(key);
      return v === null ? undefined : v;
    };
    var getOpt = function (element, key) {
      return Optional.from(get$b(element, key));
    };
    var remove$7 = function (element, key) {
      element.dom.removeAttribute(key);
    };
    var clone$2 = function (element) {
      return foldl(element.dom.attributes, function (acc, attr) {
        acc[attr.name] = attr.value;
        return acc;
      }, {});
    };

    var is = function (lhs, rhs, comparator) {
      if (comparator === void 0) {
        comparator = tripleEquals;
      }
      return lhs.exists(function (left) {
        return comparator(left, rhs);
      });
    };
    var cat = function (arr) {
      var r = [];
      var push = function (x) {
        r.push(x);
      };
      for (var i = 0; i < arr.length; i++) {
        arr[i].each(push);
      }
      return r;
    };
    var lift2 = function (oa, ob, f) {
      return oa.isSome() && ob.isSome() ? Optional.some(f(oa.getOrDie(), ob.getOrDie())) : Optional.none();
    };
    var bindFrom = function (a, f) {
      return a !== undefined && a !== null ? f(a) : Optional.none();
    };
    var flatten = function (oot) {
      return oot.bind(identity);
    };
    var someIf = function (b, a) {
      return b ? Optional.some(a) : Optional.none();
    };

    var isSupported = function (dom) {
      return dom.style !== undefined && isFunction(dom.style.getPropertyValue);
    };

    var internalSet = function (dom, property, value) {
      if (!isString(value)) {
        console.error('Invalid call to CSS.set. Property ', property, ':: Value ', value, ':: Element ', dom);
        throw new Error('CSS value must be a string: ' + value);
      }
      if (isSupported(dom)) {
        dom.style.setProperty(property, value);
      }
    };
    var internalRemove = function (dom, property) {
      if (isSupported(dom)) {
        dom.style.removeProperty(property);
      }
    };
    var set$1 = function (element, property, value) {
      var dom = element.dom;
      internalSet(dom, property, value);
    };
    var setAll = function (element, css) {
      var dom = element.dom;
      each$1(css, function (v, k) {
        internalSet(dom, k, v);
      });
    };
    var get$a = function (element, property) {
      var dom = element.dom;
      var styles = window.getComputedStyle(dom);
      var r = styles.getPropertyValue(property);
      return r === '' && !inBody(element) ? getUnsafeProperty(dom, property) : r;
    };
    var getUnsafeProperty = function (dom, property) {
      return isSupported(dom) ? dom.style.getPropertyValue(property) : '';
    };
    var getRaw$2 = function (element, property) {
      var dom = element.dom;
      var raw = getUnsafeProperty(dom, property);
      return Optional.from(raw).filter(function (r) {
        return r.length > 0;
      });
    };
    var remove$6 = function (element, property) {
      var dom = element.dom;
      internalRemove(dom, property);
      if (is(getOpt(element, 'style').map(trim), '')) {
        remove$7(element, 'style');
      }
    };
    var copy$2 = function (source, target) {
      var sourceDom = source.dom;
      var targetDom = target.dom;
      if (isSupported(sourceDom) && isSupported(targetDom)) {
        targetDom.style.cssText = sourceDom.style.cssText;
      }
    };

    var getAttrValue = function (cell, name, fallback) {
      if (fallback === void 0) {
        fallback = 0;
      }
      return getOpt(cell, name).map(function (value) {
        return parseInt(value, 10);
      }).getOr(fallback);
    };
    var getSpan = function (cell, type) {
      return getAttrValue(cell, type, 1);
    };
    var hasColspan = function (cellOrCol) {
      if (isTag('col')(cellOrCol)) {
        return getAttrValue(cellOrCol, 'span', 1) > 1;
      } else {
        return getSpan(cellOrCol, 'colspan') > 1;
      }
    };
    var hasRowspan = function (cell) {
      return getSpan(cell, 'rowspan') > 1;
    };
    var getCssValue = function (element, property) {
      return parseInt(get$a(element, property), 10);
    };
    var minWidth = constant(10);
    var minHeight = constant(10);

    var firstLayer = function (scope, selector) {
      return filterFirstLayer(scope, selector, always);
    };
    var filterFirstLayer = function (scope, selector, predicate) {
      return bind$2(children$3(scope), function (x) {
        if (is$2(x, selector)) {
          return predicate(x) ? [x] : [];
        } else {
          return filterFirstLayer(x, selector, predicate);
        }
      });
    };

    var lookup = function (tags, element, isRoot) {
      if (isRoot === void 0) {
        isRoot = never;
      }
      if (isRoot(element)) {
        return Optional.none();
      }
      if (contains$2(tags, name(element))) {
        return Optional.some(element);
      }
      var isRootOrUpperTable = function (elm) {
        return is$2(elm, 'table') || isRoot(elm);
      };
      return ancestor$1(element, tags.join(','), isRootOrUpperTable);
    };
    var cell = function (element, isRoot) {
      return lookup([
        'td',
        'th'
      ], element, isRoot);
    };
    var cells$1 = function (ancestor) {
      return firstLayer(ancestor, 'th,td');
    };
    var columns$1 = function (ancestor) {
      if (is$2(ancestor, 'colgroup')) {
        return children$1(ancestor, 'col');
      } else {
        return bind$2(columnGroups(ancestor), function (columnGroup) {
          return children$1(columnGroup, 'col');
        });
      }
    };
    var table = function (element, isRoot) {
      return closest$1(element, 'table', isRoot);
    };
    var rows$1 = function (ancestor) {
      return firstLayer(ancestor, 'tr');
    };
    var columnGroups = function (ancestor) {
      return table(ancestor).fold(constant([]), function (table) {
        return children$1(table, 'colgroup');
      });
    };

    var fromRowsOrColGroups = function (elems, getSection) {
      return map$1(elems, function (row) {
        if (name(row) === 'colgroup') {
          var cells = map$1(columns$1(row), function (column) {
            var colspan = getAttrValue(column, 'span', 1);
            return detail(column, 1, colspan);
          });
          return rowdetail(row, cells, 'colgroup');
        } else {
          var cells = map$1(cells$1(row), function (cell) {
            var rowspan = getAttrValue(cell, 'rowspan', 1);
            var colspan = getAttrValue(cell, 'colspan', 1);
            return detail(cell, rowspan, colspan);
          });
          return rowdetail(row, cells, getSection(row));
        }
      });
    };
    var getParentSection = function (group) {
      return parent(group).map(function (parent) {
        var parentName = name(parent);
        return isValidSection(parentName) ? parentName : 'tbody';
      }).getOr('tbody');
    };
    var fromTable$1 = function (table) {
      var rows = rows$1(table);
      var columnGroups$1 = columnGroups(table);
      var elems = __spreadArray(__spreadArray([], columnGroups$1, true), rows, true);
      return fromRowsOrColGroups(elems, getParentSection);
    };
    var fromPastedRows = function (elems, section) {
      return fromRowsOrColGroups(elems, function () {
        return section;
      });
    };

    var addCells = function (gridRow, index, cells) {
      var existingCells = gridRow.cells;
      var before = existingCells.slice(0, index);
      var after = existingCells.slice(index);
      var newCells = before.concat(cells).concat(after);
      return setCells(gridRow, newCells);
    };
    var addCell = function (gridRow, index, cell) {
      return addCells(gridRow, index, [cell]);
    };
    var mutateCell = function (gridRow, index, cell) {
      var cells = gridRow.cells;
      cells[index] = cell;
    };
    var setCells = function (gridRow, cells) {
      return rowcells(gridRow.element, cells, gridRow.section, gridRow.isNew);
    };
    var mapCells = function (gridRow, f) {
      var cells = gridRow.cells;
      var r = map$1(cells, f);
      return rowcells(gridRow.element, r, gridRow.section, gridRow.isNew);
    };
    var getCell = function (gridRow, index) {
      return gridRow.cells[index];
    };
    var getCellElement = function (gridRow, index) {
      return getCell(gridRow, index).element;
    };
    var cellLength = function (gridRow) {
      return gridRow.cells.length;
    };
    var extractGridDetails = function (grid) {
      var result = partition(grid, function (row) {
        return row.section === 'colgroup';
      });
      return {
        rows: result.fail,
        cols: result.pass
      };
    };
    var clone$1 = function (gridRow, cloneRow, cloneCell) {
      var newCells = map$1(gridRow.cells, cloneCell);
      return rowcells(cloneRow(gridRow.element), newCells, gridRow.section, true);
    };

    var LOCKED_COL_ATTR = 'data-snooker-locked-cols';
    var getLockedColumnsFromTable = function (table) {
      return getOpt(table, LOCKED_COL_ATTR).bind(function (lockedColStr) {
        return Optional.from(lockedColStr.match(/\d+/g));
      }).map(function (lockedCols) {
        return mapToObject(lockedCols, always);
      });
    };
    var getLockedColumnsFromGrid = function (grid) {
      var locked = foldl(extractGridDetails(grid).rows, function (acc, row) {
        each$2(row.cells, function (cell, idx) {
          if (cell.isLocked) {
            acc[idx] = true;
          }
        });
        return acc;
      }, {});
      var lockedArr = mapToArray(locked, function (_val, key) {
        return parseInt(key, 10);
      });
      return sort$1(lockedArr);
    };

    var key = function (row, column) {
      return row + ',' + column;
    };
    var getAt = function (warehouse, row, column) {
      return Optional.from(warehouse.access[key(row, column)]);
    };
    var findItem = function (warehouse, item, comparator) {
      var filtered = filterItems(warehouse, function (detail) {
        return comparator(item, detail.element);
      });
      return filtered.length > 0 ? Optional.some(filtered[0]) : Optional.none();
    };
    var filterItems = function (warehouse, predicate) {
      var all = bind$2(warehouse.all, function (r) {
        return r.cells;
      });
      return filter$2(all, predicate);
    };
    var generateColumns = function (rowData) {
      var columnsGroup = {};
      var index = 0;
      each$2(rowData.cells, function (column) {
        var colspan = column.colspan;
        range$1(colspan, function (columnIndex) {
          var colIndex = index + columnIndex;
          columnsGroup[colIndex] = columnext(column.element, colspan, colIndex);
        });
        index += colspan;
      });
      return columnsGroup;
    };
    var generate$1 = function (list) {
      var access = {};
      var cells = [];
      var tableOpt = head(list).map(function (rowData) {
        return rowData.element;
      }).bind(table);
      var lockedColumns = tableOpt.bind(getLockedColumnsFromTable).getOr({});
      var maxRows = 0;
      var maxColumns = 0;
      var rowCount = 0;
      var _a = partition(list, function (rowData) {
          return rowData.section === 'colgroup';
        }), colgroupRows = _a.pass, rows = _a.fail;
      each$2(rows, function (rowData) {
        var currentRow = [];
        each$2(rowData.cells, function (rowCell) {
          var start = 0;
          while (access[key(rowCount, start)] !== undefined) {
            start++;
          }
          var isLocked = hasNonNullableKey(lockedColumns, start.toString());
          var current = extended(rowCell.element, rowCell.rowspan, rowCell.colspan, rowCount, start, isLocked);
          for (var occupiedColumnPosition = 0; occupiedColumnPosition < rowCell.colspan; occupiedColumnPosition++) {
            for (var occupiedRowPosition = 0; occupiedRowPosition < rowCell.rowspan; occupiedRowPosition++) {
              var rowPosition = rowCount + occupiedRowPosition;
              var columnPosition = start + occupiedColumnPosition;
              var newpos = key(rowPosition, columnPosition);
              access[newpos] = current;
              maxColumns = Math.max(maxColumns, columnPosition + 1);
            }
          }
          currentRow.push(current);
        });
        maxRows++;
        cells.push(rowdetail(rowData.element, currentRow, rowData.section));
        rowCount++;
      });
      var _b = last$2(colgroupRows).map(function (rowData) {
          var columns = generateColumns(rowData);
          var colgroup$1 = colgroup(rowData.element, values(columns));
          return {
            colgroups: [colgroup$1],
            columns: columns
          };
        }).getOrThunk(function () {
          return {
            colgroups: [],
            columns: {}
          };
        }), columns = _b.columns, colgroups = _b.colgroups;
      var grid$1 = grid(maxRows, maxColumns);
      return {
        grid: grid$1,
        access: access,
        all: cells,
        columns: columns,
        colgroups: colgroups
      };
    };
    var fromTable = function (table) {
      var list = fromTable$1(table);
      return generate$1(list);
    };
    var justCells = function (warehouse) {
      return bind$2(warehouse.all, function (w) {
        return w.cells;
      });
    };
    var justColumns = function (warehouse) {
      return values(warehouse.columns);
    };
    var hasColumns = function (warehouse) {
      return keys(warehouse.columns).length > 0;
    };
    var getColumnAt = function (warehouse, columnIndex) {
      return Optional.from(warehouse.columns[columnIndex]);
    };
    var Warehouse = {
      fromTable: fromTable,
      generate: generate$1,
      getAt: getAt,
      findItem: findItem,
      filterItems: filterItems,
      justCells: justCells,
      justColumns: justColumns,
      hasColumns: hasColumns,
      getColumnAt: getColumnAt
    };

    var inSelection = function (bounds, detail) {
      var leftEdge = detail.column;
      var rightEdge = detail.column + detail.colspan - 1;
      var topEdge = detail.row;
      var bottomEdge = detail.row + detail.rowspan - 1;
      return leftEdge <= bounds.finishCol && rightEdge >= bounds.startCol && (topEdge <= bounds.finishRow && bottomEdge >= bounds.startRow);
    };
    var isWithin = function (bounds, detail) {
      return detail.column >= bounds.startCol && detail.column + detail.colspan - 1 <= bounds.finishCol && detail.row >= bounds.startRow && detail.row + detail.rowspan - 1 <= bounds.finishRow;
    };
    var isRectangular = function (warehouse, bounds) {
      var isRect = true;
      var detailIsWithin = curry(isWithin, bounds);
      for (var i = bounds.startRow; i <= bounds.finishRow; i++) {
        for (var j = bounds.startCol; j <= bounds.finishCol; j++) {
          isRect = isRect && Warehouse.getAt(warehouse, i, j).exists(detailIsWithin);
        }
      }
      return isRect ? Optional.some(bounds) : Optional.none();
    };

    var getBounds = function (detailA, detailB) {
      return bounds(Math.min(detailA.row, detailB.row), Math.min(detailA.column, detailB.column), Math.max(detailA.row + detailA.rowspan - 1, detailB.row + detailB.rowspan - 1), Math.max(detailA.column + detailA.colspan - 1, detailB.column + detailB.colspan - 1));
    };
    var getAnyBox = function (warehouse, startCell, finishCell) {
      var startCoords = Warehouse.findItem(warehouse, startCell, eq$1);
      var finishCoords = Warehouse.findItem(warehouse, finishCell, eq$1);
      return startCoords.bind(function (sc) {
        return finishCoords.map(function (fc) {
          return getBounds(sc, fc);
        });
      });
    };
    var getBox$1 = function (warehouse, startCell, finishCell) {
      return getAnyBox(warehouse, startCell, finishCell).bind(function (bounds) {
        return isRectangular(warehouse, bounds);
      });
    };

    var moveBy$1 = function (warehouse, cell, row, column) {
      return Warehouse.findItem(warehouse, cell, eq$1).bind(function (detail) {
        var startRow = row > 0 ? detail.row + detail.rowspan - 1 : detail.row;
        var startCol = column > 0 ? detail.column + detail.colspan - 1 : detail.column;
        var dest = Warehouse.getAt(warehouse, startRow + row, startCol + column);
        return dest.map(function (d) {
          return d.element;
        });
      });
    };
    var intercepts$1 = function (warehouse, start, finish) {
      return getAnyBox(warehouse, start, finish).map(function (bounds) {
        var inside = Warehouse.filterItems(warehouse, curry(inSelection, bounds));
        return map$1(inside, function (detail) {
          return detail.element;
        });
      });
    };
    var parentCell = function (warehouse, innerCell) {
      var isContainedBy = function (c1, c2) {
        return contains(c2, c1);
      };
      return Warehouse.findItem(warehouse, innerCell, isContainedBy).map(function (detail) {
        return detail.element;
      });
    };

    var moveBy = function (cell, deltaRow, deltaColumn) {
      return table(cell).bind(function (table) {
        var warehouse = getWarehouse(table);
        return moveBy$1(warehouse, cell, deltaRow, deltaColumn);
      });
    };
    var intercepts = function (table, first, last) {
      var warehouse = getWarehouse(table);
      return intercepts$1(warehouse, first, last);
    };
    var nestedIntercepts = function (table, first, firstTable, last, lastTable) {
      var warehouse = getWarehouse(table);
      var optStartCell = eq$1(table, firstTable) ? Optional.some(first) : parentCell(warehouse, first);
      var optLastCell = eq$1(table, lastTable) ? Optional.some(last) : parentCell(warehouse, last);
      return optStartCell.bind(function (startCell) {
        return optLastCell.bind(function (lastCell) {
          return intercepts$1(warehouse, startCell, lastCell);
        });
      });
    };
    var getBox = function (table, first, last) {
      var warehouse = getWarehouse(table);
      return getBox$1(warehouse, first, last);
    };
    var getWarehouse = Warehouse.fromTable;

    var before$4 = function (marker, element) {
      var parent$1 = parent(marker);
      parent$1.each(function (v) {
        v.dom.insertBefore(element.dom, marker.dom);
      });
    };
    var after$5 = function (marker, element) {
      var sibling = nextSibling(marker);
      sibling.fold(function () {
        var parent$1 = parent(marker);
        parent$1.each(function (v) {
          append$1(v, element);
        });
      }, function (v) {
        before$4(v, element);
      });
    };
    var prepend = function (parent, element) {
      var firstChild$1 = firstChild(parent);
      firstChild$1.fold(function () {
        append$1(parent, element);
      }, function (v) {
        parent.dom.insertBefore(element.dom, v.dom);
      });
    };
    var append$1 = function (parent, element) {
      parent.dom.appendChild(element.dom);
    };
    var appendAt = function (parent, element, index) {
      child$3(parent, index).fold(function () {
        append$1(parent, element);
      }, function (v) {
        before$4(v, element);
      });
    };
    var wrap = function (element, wrapper) {
      before$4(element, wrapper);
      append$1(wrapper, element);
    };

    var before$3 = function (marker, elements) {
      each$2(elements, function (x) {
        before$4(marker, x);
      });
    };
    var after$4 = function (marker, elements) {
      each$2(elements, function (x, i) {
        var e = i === 0 ? marker : elements[i - 1];
        after$5(e, x);
      });
    };
    var append = function (parent, elements) {
      each$2(elements, function (x) {
        append$1(parent, x);
      });
    };

    var empty = function (element) {
      element.dom.textContent = '';
      each$2(children$3(element), function (rogue) {
        remove$5(rogue);
      });
    };
    var remove$5 = function (element) {
      var dom = element.dom;
      if (dom.parentNode !== null) {
        dom.parentNode.removeChild(dom);
      }
    };
    var unwrap = function (wrapper) {
      var children = children$3(wrapper);
      if (children.length > 0) {
        before$3(wrapper, children);
      }
      remove$5(wrapper);
    };

    var NodeValue = function (is, name) {
      var get = function (element) {
        if (!is(element)) {
          throw new Error('Can only get ' + name + ' value of a ' + name + ' node');
        }
        return getOption(element).getOr('');
      };
      var getOption = function (element) {
        return is(element) ? Optional.from(element.dom.nodeValue) : Optional.none();
      };
      var set = function (element, value) {
        if (!is(element)) {
          throw new Error('Can only set raw ' + name + ' value of a ' + name + ' node');
        }
        element.dom.nodeValue = value;
      };
      return {
        get: get,
        getOption: getOption,
        set: set
      };
    };

    var api$2 = NodeValue(isText, 'text');
    var get$9 = function (element) {
      return api$2.get(element);
    };
    var getOption = function (element) {
      return api$2.getOption(element);
    };
    var set = function (element, value) {
      return api$2.set(element, value);
    };

    var TagBoundaries = [
      'body',
      'p',
      'div',
      'article',
      'aside',
      'figcaption',
      'figure',
      'footer',
      'header',
      'nav',
      'section',
      'ol',
      'ul',
      'li',
      'table',
      'thead',
      'tbody',
      'tfoot',
      'caption',
      'tr',
      'td',
      'th',
      'h1',
      'h2',
      'h3',
      'h4',
      'h5',
      'h6',
      'blockquote',
      'pre',
      'address'
    ];

    function DomUniverse () {
      var clone = function (element) {
        return SugarElement.fromDom(element.dom.cloneNode(false));
      };
      var document = function (element) {
        return documentOrOwner(element).dom;
      };
      var isBoundary = function (element) {
        if (!isElement(element)) {
          return false;
        }
        if (name(element) === 'body') {
          return true;
        }
        return contains$2(TagBoundaries, name(element));
      };
      var isEmptyTag = function (element) {
        if (!isElement(element)) {
          return false;
        }
        return contains$2([
          'br',
          'img',
          'hr',
          'input'
        ], name(element));
      };
      var isNonEditable = function (element) {
        return isElement(element) && get$b(element, 'contenteditable') === 'false';
      };
      var comparePosition = function (element, other) {
        return element.dom.compareDocumentPosition(other.dom);
      };
      var copyAttributesTo = function (source, destination) {
        var as = clone$2(source);
        setAll$1(destination, as);
      };
      var isSpecial = function (element) {
        var tag = name(element);
        return contains$2([
          'script',
          'noscript',
          'iframe',
          'noframes',
          'noembed',
          'title',
          'style',
          'textarea',
          'xmp'
        ], tag);
      };
      var getLanguage = function (element) {
        return isElement(element) ? getOpt(element, 'lang') : Optional.none();
      };
      return {
        up: constant({
          selector: ancestor$1,
          closest: closest$1,
          predicate: ancestor$2,
          all: parents
        }),
        down: constant({
          selector: descendants,
          predicate: descendants$1
        }),
        styles: constant({
          get: get$a,
          getRaw: getRaw$2,
          set: set$1,
          remove: remove$6
        }),
        attrs: constant({
          get: get$b,
          set: set$2,
          remove: remove$7,
          copyTo: copyAttributesTo
        }),
        insert: constant({
          before: before$4,
          after: after$5,
          afterAll: after$4,
          append: append$1,
          appendAll: append,
          prepend: prepend,
          wrap: wrap
        }),
        remove: constant({
          unwrap: unwrap,
          remove: remove$5
        }),
        create: constant({
          nu: SugarElement.fromTag,
          clone: clone,
          text: SugarElement.fromText
        }),
        query: constant({
          comparePosition: comparePosition,
          prevSibling: prevSibling,
          nextSibling: nextSibling
        }),
        property: constant({
          children: children$3,
          name: name,
          parent: parent,
          document: document,
          isText: isText,
          isComment: isComment,
          isElement: isElement,
          isSpecial: isSpecial,
          getLanguage: getLanguage,
          getText: get$9,
          setText: set,
          isBoundary: isBoundary,
          isEmptyTag: isEmptyTag,
          isNonEditable: isNonEditable
        }),
        eq: eq$1,
        is: is$1
      };
    }

    var all = function (universe, look, elements, f) {
      var head = elements[0];
      var tail = elements.slice(1);
      return f(universe, look, head, tail);
    };
    var oneAll = function (universe, look, elements) {
      return elements.length > 0 ? all(universe, look, elements, unsafeOne) : Optional.none();
    };
    var unsafeOne = function (universe, look, head, tail) {
      var start = look(universe, head);
      return foldr(tail, function (b, a) {
        var current = look(universe, a);
        return commonElement(universe, b, current);
      }, start);
    };
    var commonElement = function (universe, start, end) {
      return start.bind(function (s) {
        return end.filter(curry(universe.eq, s));
      });
    };

    var eq = function (universe, item) {
      return curry(universe.eq, item);
    };
    var ancestors$2 = function (universe, start, end, isRoot) {
      if (isRoot === void 0) {
        isRoot = never;
      }
      var ps1 = [start].concat(universe.up().all(start));
      var ps2 = [end].concat(universe.up().all(end));
      var prune = function (path) {
        var index = findIndex(path, isRoot);
        return index.fold(function () {
          return path;
        }, function (ind) {
          return path.slice(0, ind + 1);
        });
      };
      var pruned1 = prune(ps1);
      var pruned2 = prune(ps2);
      var shared = find$1(pruned1, function (x) {
        return exists(pruned2, eq(universe, x));
      });
      return {
        firstpath: pruned1,
        secondpath: pruned2,
        shared: shared
      };
    };

    var sharedOne$1 = oneAll;
    var ancestors$1 = ancestors$2;

    var universe$3 = DomUniverse();
    var sharedOne = function (look, elements) {
      return sharedOne$1(universe$3, function (_universe, element) {
        return look(element);
      }, elements);
    };
    var ancestors = function (start, finish, isRoot) {
      return ancestors$1(universe$3, start, finish, isRoot);
    };

    var lookupTable = function (container) {
      return ancestor$1(container, 'table');
    };
    var identify = function (start, finish, isRoot) {
      var getIsRoot = function (rootTable) {
        return function (element) {
          return isRoot !== undefined && isRoot(element) || eq$1(element, rootTable);
        };
      };
      if (eq$1(start, finish)) {
        return Optional.some({
          boxes: Optional.some([start]),
          start: start,
          finish: finish
        });
      } else {
        return lookupTable(start).bind(function (startTable) {
          return lookupTable(finish).bind(function (finishTable) {
            if (eq$1(startTable, finishTable)) {
              return Optional.some({
                boxes: intercepts(startTable, start, finish),
                start: start,
                finish: finish
              });
            } else if (contains(startTable, finishTable)) {
              var ancestorCells = ancestors$3(finish, 'td,th', getIsRoot(startTable));
              var finishCell = ancestorCells.length > 0 ? ancestorCells[ancestorCells.length - 1] : finish;
              return Optional.some({
                boxes: nestedIntercepts(startTable, start, startTable, finish, finishTable),
                start: start,
                finish: finishCell
              });
            } else if (contains(finishTable, startTable)) {
              var ancestorCells = ancestors$3(start, 'td,th', getIsRoot(finishTable));
              var startCell = ancestorCells.length > 0 ? ancestorCells[ancestorCells.length - 1] : start;
              return Optional.some({
                boxes: nestedIntercepts(finishTable, start, startTable, finish, finishTable),
                start: start,
                finish: startCell
              });
            } else {
              return ancestors(start, finish).shared.bind(function (lca) {
                return closest$1(lca, 'table', isRoot).bind(function (lcaTable) {
                  var finishAncestorCells = ancestors$3(finish, 'td,th', getIsRoot(lcaTable));
                  var finishCell = finishAncestorCells.length > 0 ? finishAncestorCells[finishAncestorCells.length - 1] : finish;
                  var startAncestorCells = ancestors$3(start, 'td,th', getIsRoot(lcaTable));
                  var startCell = startAncestorCells.length > 0 ? startAncestorCells[startAncestorCells.length - 1] : start;
                  return Optional.some({
                    boxes: nestedIntercepts(lcaTable, start, startTable, finish, finishTable),
                    start: startCell,
                    finish: finishCell
                  });
                });
              });
            }
          });
        });
      }
    };
    var retrieve$1 = function (container, selector) {
      var sels = descendants(container, selector);
      return sels.length > 0 ? Optional.some(sels) : Optional.none();
    };
    var getLast = function (boxes, lastSelectedSelector) {
      return find$1(boxes, function (box) {
        return is$2(box, lastSelectedSelector);
      });
    };
    var getEdges = function (container, firstSelectedSelector, lastSelectedSelector) {
      return descendant(container, firstSelectedSelector).bind(function (first) {
        return descendant(container, lastSelectedSelector).bind(function (last) {
          return sharedOne(lookupTable, [
            first,
            last
          ]).map(function (table) {
            return {
              first: first,
              last: last,
              table: table
            };
          });
        });
      });
    };
    var expandTo = function (finish, firstSelectedSelector) {
      return ancestor$1(finish, 'table').bind(function (table) {
        return descendant(table, firstSelectedSelector).bind(function (start) {
          return identify(start, finish).bind(function (identified) {
            return identified.boxes.map(function (boxes) {
              return {
                boxes: boxes,
                start: identified.start,
                finish: identified.finish
              };
            });
          });
        });
      });
    };
    var shiftSelection = function (boxes, deltaRow, deltaColumn, firstSelectedSelector, lastSelectedSelector) {
      return getLast(boxes, lastSelectedSelector).bind(function (last) {
        return moveBy(last, deltaRow, deltaColumn).bind(function (finish) {
          return expandTo(finish, firstSelectedSelector);
        });
      });
    };

    var retrieve = function (container, selector) {
      return retrieve$1(container, selector);
    };
    var retrieveBox = function (container, firstSelectedSelector, lastSelectedSelector) {
      return getEdges(container, firstSelectedSelector, lastSelectedSelector).bind(function (edges) {
        var isRoot = function (ancestor) {
          return eq$1(container, ancestor);
        };
        var sectionSelector = 'thead,tfoot,tbody,table';
        var firstAncestor = ancestor$1(edges.first, sectionSelector, isRoot);
        var lastAncestor = ancestor$1(edges.last, sectionSelector, isRoot);
        return firstAncestor.bind(function (fA) {
          return lastAncestor.bind(function (lA) {
            return eq$1(fA, lA) ? getBox(edges.table, edges.first, edges.last) : Optional.none();
          });
        });
      });
    };

    var generate = function (cases) {
      if (!isArray(cases)) {
        throw new Error('cases must be an array');
      }
      if (cases.length === 0) {
        throw new Error('there must be at least one case');
      }
      var constructors = [];
      var adt = {};
      each$2(cases, function (acase, count) {
        var keys$1 = keys(acase);
        if (keys$1.length !== 1) {
          throw new Error('one and only one name per case');
        }
        var key = keys$1[0];
        var value = acase[key];
        if (adt[key] !== undefined) {
          throw new Error('duplicate key detected:' + key);
        } else if (key === 'cata') {
          throw new Error('cannot have a case named cata (sorry)');
        } else if (!isArray(value)) {
          throw new Error('case arguments must be an array');
        }
        constructors.push(key);
        adt[key] = function () {
          var args = [];
          for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
          }
          var argLength = args.length;
          if (argLength !== value.length) {
            throw new Error('Wrong number of arguments to case ' + key + '. Expected ' + value.length + ' (' + value + '), got ' + argLength);
          }
          var match = function (branches) {
            var branchKeys = keys(branches);
            if (constructors.length !== branchKeys.length) {
              throw new Error('Wrong number of arguments to match. Expected: ' + constructors.join(',') + '\nActual: ' + branchKeys.join(','));
            }
            var allReqd = forall(constructors, function (reqKey) {
              return contains$2(branchKeys, reqKey);
            });
            if (!allReqd) {
              throw new Error('Not all branches were specified when using match. Specified: ' + branchKeys.join(', ') + '\nRequired: ' + constructors.join(', '));
            }
            return branches[key].apply(null, args);
          };
          return {
            fold: function () {
              var foldArgs = [];
              for (var _i = 0; _i < arguments.length; _i++) {
                foldArgs[_i] = arguments[_i];
              }
              if (foldArgs.length !== cases.length) {
                throw new Error('Wrong number of arguments to fold. Expected ' + cases.length + ', got ' + foldArgs.length);
              }
              var target = foldArgs[count];
              return target.apply(null, args);
            },
            match: match,
            log: function (label) {
              console.log(label, {
                constructors: constructors,
                constructor: key,
                params: args
              });
            }
          };
        };
      });
      return adt;
    };
    var Adt = { generate: generate };

    var type = Adt.generate([
      { none: [] },
      { multiple: ['elements'] },
      { single: ['element'] }
    ]);
    var cata$2 = function (subject, onNone, onMultiple, onSingle) {
      return subject.fold(onNone, onMultiple, onSingle);
    };
    var none$1 = type.none;
    var multiple = type.multiple;
    var single = type.single;

    var Selections = function (lazyRoot, getStart, selectedSelector) {
      var get = function () {
        return retrieve(lazyRoot(), selectedSelector).fold(function () {
          return getStart().fold(none$1, single);
        }, function (cells) {
          return multiple(cells);
        });
      };
      return { get: get };
    };

    var global$3 = tinymce.util.Tools.resolve('tinymce.PluginManager');

    var clone = function (original, isDeep) {
      return SugarElement.fromDom(original.dom.cloneNode(isDeep));
    };
    var shallow = function (original) {
      return clone(original, false);
    };
    var deep = function (original) {
      return clone(original, true);
    };
    var shallowAs = function (original, tag) {
      var nu = SugarElement.fromTag(tag);
      var attributes = clone$2(original);
      setAll$1(nu, attributes);
      return nu;
    };
    var copy$1 = function (original, tag) {
      var nu = shallowAs(original, tag);
      var cloneChildren = children$3(deep(original));
      append(nu, cloneChildren);
      return nu;
    };
    var mutate$1 = function (original, tag) {
      var nu = shallowAs(original, tag);
      before$4(original, nu);
      var children = children$3(original);
      append(nu, children);
      remove$5(original);
      return nu;
    };

    var Dimension = function (name, getOffset) {
      var set = function (element, h) {
        if (!isNumber(h) && !h.match(/^[0-9]+$/)) {
          throw new Error(name + '.set accepts only positive integer values. Value was ' + h);
        }
        var dom = element.dom;
        if (isSupported(dom)) {
          dom.style[name] = h + 'px';
        }
      };
      var get = function (element) {
        var r = getOffset(element);
        if (r <= 0 || r === null) {
          var css = get$a(element, name);
          return parseFloat(css) || 0;
        }
        return r;
      };
      var getOuter = get;
      var aggregate = function (element, properties) {
        return foldl(properties, function (acc, property) {
          var val = get$a(element, property);
          var value = val === undefined ? 0 : parseInt(val, 10);
          return isNaN(value) ? acc : acc + value;
        }, 0);
      };
      var max = function (element, value, properties) {
        var cumulativeInclusions = aggregate(element, properties);
        var absoluteMax = value > cumulativeInclusions ? value - cumulativeInclusions : 0;
        return absoluteMax;
      };
      return {
        set: set,
        get: get,
        getOuter: getOuter,
        aggregate: aggregate,
        max: max
      };
    };

    var needManualCalc = function () {
      var browser = detect$3().browser;
      return browser.isIE() || browser.isEdge();
    };
    var toNumber = function (px, fallback) {
      return toFloat(px).getOr(fallback);
    };
    var getProp = function (element, name, fallback) {
      return toNumber(get$a(element, name), fallback);
    };
    var getBoxSizing = function (element) {
      return get$a(element, 'box-sizing');
    };
    var calcContentBoxSize = function (element, size, upper, lower) {
      var paddingUpper = getProp(element, 'padding-' + upper, 0);
      var paddingLower = getProp(element, 'padding-' + lower, 0);
      var borderUpper = getProp(element, 'border-' + upper + '-width', 0);
      var borderLower = getProp(element, 'border-' + lower + '-width', 0);
      return size - paddingUpper - paddingLower - borderUpper - borderLower;
    };
    var getCalculatedHeight = function (element, boxSizing) {
      var dom = element.dom;
      var height = dom.getBoundingClientRect().height || dom.offsetHeight;
      return boxSizing === 'border-box' ? height : calcContentBoxSize(element, height, 'top', 'bottom');
    };
    var getCalculatedWidth = function (element, boxSizing) {
      var dom = element.dom;
      var width = dom.getBoundingClientRect().width || dom.offsetWidth;
      return boxSizing === 'border-box' ? width : calcContentBoxSize(element, width, 'left', 'right');
    };
    var getHeight$1 = function (element) {
      return needManualCalc() ? getCalculatedHeight(element, getBoxSizing(element)) : getProp(element, 'height', element.dom.offsetHeight);
    };
    var getWidth = function (element) {
      return needManualCalc() ? getCalculatedWidth(element, getBoxSizing(element)) : getProp(element, 'width', element.dom.offsetWidth);
    };
    var getInnerWidth = function (element) {
      return getCalculatedWidth(element, 'content-box');
    };

    var api$1 = Dimension('width', function (element) {
      return element.dom.offsetWidth;
    });
    var get$8 = function (element) {
      return api$1.get(element);
    };
    var getOuter$2 = function (element) {
      return api$1.getOuter(element);
    };
    var getInner = getInnerWidth;
    var getRuntime$1 = getWidth;

    var columns = function (warehouse, isValidCell) {
      if (isValidCell === void 0) {
        isValidCell = always;
      }
      var grid = warehouse.grid;
      var cols = range$1(grid.columns, identity);
      var rowsArr = range$1(grid.rows, identity);
      return map$1(cols, function (col) {
        var getBlock = function () {
          return bind$2(rowsArr, function (r) {
            return Warehouse.getAt(warehouse, r, col).filter(function (detail) {
              return detail.column === col;
            }).toArray();
          });
        };
        var isValid = function (detail) {
          return detail.colspan === 1 && isValidCell(detail.element);
        };
        var getFallback = function () {
          return Warehouse.getAt(warehouse, 0, col);
        };
        return decide(getBlock, isValid, getFallback);
      });
    };
    var decide = function (getBlock, isValid, getFallback) {
      var inBlock = getBlock();
      var validInBlock = find$1(inBlock, isValid);
      var detailOption = validInBlock.orThunk(function () {
        return Optional.from(inBlock[0]).orThunk(getFallback);
      });
      return detailOption.map(function (detail) {
        return detail.element;
      });
    };
    var rows = function (warehouse) {
      var grid = warehouse.grid;
      var rowsArr = range$1(grid.rows, identity);
      var cols = range$1(grid.columns, identity);
      return map$1(rowsArr, function (row) {
        var getBlock = function () {
          return bind$2(cols, function (c) {
            return Warehouse.getAt(warehouse, row, c).filter(function (detail) {
              return detail.row === row;
            }).fold(constant([]), function (detail) {
              return [detail];
            });
          });
        };
        var isSingle = function (detail) {
          return detail.rowspan === 1;
        };
        var getFallback = function () {
          return Warehouse.getAt(warehouse, row, 0);
        };
        return decide(getBlock, isSingle, getFallback);
      });
    };

    var deduce = function (xs, index) {
      if (index < 0 || index >= xs.length - 1) {
        return Optional.none();
      }
      var current = xs[index].fold(function () {
        var rest = reverse(xs.slice(0, index));
        return findMap(rest, function (a, i) {
          return a.map(function (aa) {
            return {
              value: aa,
              delta: i + 1
            };
          });
        });
      }, function (c) {
        return Optional.some({
          value: c,
          delta: 0
        });
      });
      var next = xs[index + 1].fold(function () {
        var rest = xs.slice(index + 1);
        return findMap(rest, function (a, i) {
          return a.map(function (aa) {
            return {
              value: aa,
              delta: i + 1
            };
          });
        });
      }, function (n) {
        return Optional.some({
          value: n,
          delta: 1
        });
      });
      return current.bind(function (c) {
        return next.map(function (n) {
          var extras = n.delta + c.delta;
          return Math.abs(n.value - c.value) / extras;
        });
      });
    };

    var onDirection = function (isLtr, isRtl) {
      return function (element) {
        return getDirection(element) === 'rtl' ? isRtl : isLtr;
      };
    };
    var getDirection = function (element) {
      return get$a(element, 'direction') === 'rtl' ? 'rtl' : 'ltr';
    };

    var api = Dimension('height', function (element) {
      var dom = element.dom;
      return inBody(element) ? dom.getBoundingClientRect().height : dom.offsetHeight;
    });
    var get$7 = function (element) {
      return api.get(element);
    };
    var getOuter$1 = function (element) {
      return api.getOuter(element);
    };
    var getRuntime = getHeight$1;

    var r = function (left, top) {
      var translate = function (x, y) {
        return r(left + x, top + y);
      };
      return {
        left: left,
        top: top,
        translate: translate
      };
    };
    var SugarPosition = r;

    var boxPosition = function (dom) {
      var box = dom.getBoundingClientRect();
      return SugarPosition(box.left, box.top);
    };
    var firstDefinedOrZero = function (a, b) {
      if (a !== undefined) {
        return a;
      } else {
        return b !== undefined ? b : 0;
      }
    };
    var absolute = function (element) {
      var doc = element.dom.ownerDocument;
      var body = doc.body;
      var win = doc.defaultView;
      var html = doc.documentElement;
      if (body === element.dom) {
        return SugarPosition(body.offsetLeft, body.offsetTop);
      }
      var scrollTop = firstDefinedOrZero(win === null || win === void 0 ? void 0 : win.pageYOffset, html.scrollTop);
      var scrollLeft = firstDefinedOrZero(win === null || win === void 0 ? void 0 : win.pageXOffset, html.scrollLeft);
      var clientTop = firstDefinedOrZero(html.clientTop, body.clientTop);
      var clientLeft = firstDefinedOrZero(html.clientLeft, body.clientLeft);
      return viewport(element).translate(scrollLeft - clientLeft, scrollTop - clientTop);
    };
    var viewport = function (element) {
      var dom = element.dom;
      var doc = dom.ownerDocument;
      var body = doc.body;
      if (body === dom) {
        return SugarPosition(body.offsetLeft, body.offsetTop);
      }
      if (!inBody(element)) {
        return SugarPosition(0, 0);
      }
      return boxPosition(dom);
    };

    var rowInfo = function (row, y) {
      return {
        row: row,
        y: y
      };
    };
    var colInfo = function (col, x) {
      return {
        col: col,
        x: x
      };
    };
    var rtlEdge = function (cell) {
      var pos = absolute(cell);
      return pos.left + getOuter$2(cell);
    };
    var ltrEdge = function (cell) {
      return absolute(cell).left;
    };
    var getLeftEdge = function (index, cell) {
      return colInfo(index, ltrEdge(cell));
    };
    var getRightEdge = function (index, cell) {
      return colInfo(index, rtlEdge(cell));
    };
    var getTop$1 = function (cell) {
      return absolute(cell).top;
    };
    var getTopEdge = function (index, cell) {
      return rowInfo(index, getTop$1(cell));
    };
    var getBottomEdge = function (index, cell) {
      return rowInfo(index, getTop$1(cell) + getOuter$1(cell));
    };
    var findPositions = function (getInnerEdge, getOuterEdge, array) {
      if (array.length === 0) {
        return [];
      }
      var lines = map$1(array.slice(1), function (cellOption, index) {
        return cellOption.map(function (cell) {
          return getInnerEdge(index, cell);
        });
      });
      var lastLine = array[array.length - 1].map(function (cell) {
        return getOuterEdge(array.length - 1, cell);
      });
      return lines.concat([lastLine]);
    };
    var negate = function (step) {
      return -step;
    };
    var height = {
      delta: identity,
      positions: function (optElements) {
        return findPositions(getTopEdge, getBottomEdge, optElements);
      },
      edge: getTop$1
    };
    var ltr$1 = {
      delta: identity,
      edge: ltrEdge,
      positions: function (optElements) {
        return findPositions(getLeftEdge, getRightEdge, optElements);
      }
    };
    var rtl$1 = {
      delta: negate,
      edge: rtlEdge,
      positions: function (optElements) {
        return findPositions(getRightEdge, getLeftEdge, optElements);
      }
    };
    var detect$2 = onDirection(ltr$1, rtl$1);
    var width = {
      delta: function (amount, table) {
        return detect$2(table).delta(amount, table);
      },
      positions: function (cols, table) {
        return detect$2(table).positions(cols, table);
      },
      edge: function (cell) {
        return detect$2(cell).edge(cell);
      }
    };

    var units = {
      unsupportedLength: [
        'em',
        'ex',
        'cap',
        'ch',
        'ic',
        'rem',
        'lh',
        'rlh',
        'vw',
        'vh',
        'vi',
        'vb',
        'vmin',
        'vmax',
        'cm',
        'mm',
        'Q',
        'in',
        'pc',
        'pt',
        'px'
      ],
      fixed: [
        'px',
        'pt'
      ],
      relative: ['%'],
      empty: ['']
    };
    var pattern = function () {
      var decimalDigits = '[0-9]+';
      var signedInteger = '[+-]?' + decimalDigits;
      var exponentPart = '[eE]' + signedInteger;
      var dot = '\\.';
      var opt = function (input) {
        return '(?:' + input + ')?';
      };
      var unsignedDecimalLiteral = [
        'Infinity',
        decimalDigits + dot + opt(decimalDigits) + opt(exponentPart),
        dot + decimalDigits + opt(exponentPart),
        decimalDigits + opt(exponentPart)
      ].join('|');
      var float = '[+-]?(?:' + unsignedDecimalLiteral + ')';
      return new RegExp('^(' + float + ')(.*)$');
    }();
    var isUnit = function (unit, accepted) {
      return exists(accepted, function (acc) {
        return exists(units[acc], function (check) {
          return unit === check;
        });
      });
    };
    var parse = function (input, accepted) {
      var match = Optional.from(pattern.exec(input));
      return match.bind(function (array) {
        var value = Number(array[1]);
        var unitRaw = array[2];
        if (isUnit(unitRaw, accepted)) {
          return Optional.some({
            value: value,
            unit: unitRaw
          });
        } else {
          return Optional.none();
        }
      });
    };

    var rPercentageBasedSizeRegex = /(\d+(\.\d+)?)%/;
    var rPixelBasedSizeRegex = /(\d+(\.\d+)?)px|em/;
    var isCol$2 = isTag('col');
    var getPercentSize = function (elm, outerGetter, innerGetter) {
      var relativeParent = parentElement(elm).getOrThunk(function () {
        return getBody$1(owner(elm));
      });
      return outerGetter(elm) / innerGetter(relativeParent) * 100;
    };
    var setPixelWidth = function (cell, amount) {
      set$1(cell, 'width', amount + 'px');
    };
    var setPercentageWidth = function (cell, amount) {
      set$1(cell, 'width', amount + '%');
    };
    var setHeight = function (cell, amount) {
      set$1(cell, 'height', amount + 'px');
    };
    var getHeightValue = function (cell) {
      return getRuntime(cell) + 'px';
    };
    var convert = function (cell, number, getter, setter) {
      var newSize = table(cell).map(function (table) {
        var total = getter(table);
        return Math.floor(number / 100 * total);
      }).getOr(number);
      setter(cell, newSize);
      return newSize;
    };
    var normalizePixelSize = function (value, cell, getter, setter) {
      var number = parseFloat(value);
      return endsWith(value, '%') && name(cell) !== 'table' ? convert(cell, number, getter, setter) : number;
    };
    var getTotalHeight = function (cell) {
      var value = getHeightValue(cell);
      if (!value) {
        return get$7(cell);
      }
      return normalizePixelSize(value, cell, get$7, setHeight);
    };
    var get$6 = function (cell, type, f) {
      var v = f(cell);
      var span = getSpan(cell, type);
      return v / span;
    };
    var getRaw$1 = function (element, prop) {
      return getRaw$2(element, prop).orThunk(function () {
        return getOpt(element, prop).map(function (val) {
          return val + 'px';
        });
      });
    };
    var getRawWidth$1 = function (element) {
      return getRaw$1(element, 'width');
    };
    var getRawHeight = function (element) {
      return getRaw$1(element, 'height');
    };
    var getPercentageWidth = function (cell) {
      return getPercentSize(cell, get$8, getInner);
    };
    var getPixelWidth$1 = function (cell) {
      return isCol$2(cell) ? get$8(cell) : getRuntime$1(cell);
    };
    var getHeight = function (cell) {