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slate

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A completely customizable framework for building rich text editors.

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'use strict'; // eslint-disable-next-line no-redeclare var PathRef = { transform: function transform(ref, op) { var current = ref.current, affinity = ref.affinity; if (current == null) { return; } var path = Path.transform(current, op, { affinity: affinity }); ref.current = path; if (path == null) { ref.unref(); } } }; // eslint-disable-next-line no-redeclare var PointRef = { transform: function transform(ref, op) { var current = ref.current, affinity = ref.affinity; if (current == null) { return; } var point = Point.transform(current, op, { affinity: affinity }); ref.current = point; if (point == null) { ref.unref(); } } }; // eslint-disable-next-line no-redeclare var RangeRef = { transform: function transform(ref, op) { var current = ref.current, affinity = ref.affinity; if (current == null) { return; } var path = Range.transform(current, op, { affinity: affinity }); ref.current = path; if (path == null) { ref.unref(); } } }; var DIRTY_PATHS = new WeakMap(); var DIRTY_PATH_KEYS = new WeakMap(); var FLUSHING = new WeakMap(); var NORMALIZING = new WeakMap(); var PATH_REFS = new WeakMap(); var POINT_REFS = new WeakMap(); var RANGE_REFS = new WeakMap(); function unwrapExports (x) { return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x; } function createCommonjsModule(fn, module) { return module = { exports: {} }, fn(module, module.exports), module.exports; } var arrayLikeToArray = createCommonjsModule(function (module) { function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; } module.exports = _arrayLikeToArray, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(arrayLikeToArray); var arrayWithoutHoles = createCommonjsModule(function (module) { function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return arrayLikeToArray(arr); } module.exports = _arrayWithoutHoles, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(arrayWithoutHoles); var iterableToArray = createCommonjsModule(function (module) { function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); } module.exports = _iterableToArray, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(iterableToArray); var unsupportedIterableToArray = createCommonjsModule(function (module) { function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return arrayLikeToArray(o, minLen); } module.exports = _unsupportedIterableToArray, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(unsupportedIterableToArray); var nonIterableSpread = createCommonjsModule(function (module) { function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } module.exports = _nonIterableSpread, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(nonIterableSpread); var toConsumableArray = createCommonjsModule(function (module) { function _toConsumableArray(arr) { return arrayWithoutHoles(arr) || iterableToArray(arr) || unsupportedIterableToArray(arr) || nonIterableSpread(); } module.exports = _toConsumableArray, module.exports.__esModule = true, module.exports["default"] = module.exports; }); var _toConsumableArray = unwrapExports(toConsumableArray); // eslint-disable-next-line no-redeclare var Path = { ancestors: function ancestors(path) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; var _options$reverse = options.reverse, reverse = _options$reverse === void 0 ? false : _options$reverse; var paths = Path.levels(path, options); if (reverse) { paths = paths.slice(1); } else { paths = paths.slice(0, -1); } return paths; }, common: function common(path, another) { var common = []; for (var i = 0; i < path.length && i < another.length; i++) { var av = path[i]; var bv = another[i]; if (typeof av !== 'number' || typeof bv !== 'number') { throw new Error('Got non-numeric path index'); } if (av !== bv) { break; } common.push(av); } return common; }, compare: function compare(path, another) { var min = Math.min(path.length, another.length); for (var i = 0; i < min; i++) { if (path[i] < another[i]) return -1; if (path[i] > another[i]) return 1; } return 0; }, endsAfter: function endsAfter(path, another) { var i = path.length - 1; var as = path.slice(0, i); var bs = another.slice(0, i); var av = path[i]; var bv = another[i]; return Path.equals(as, bs) && av > bv; }, endsAt: function endsAt(path, another) { var i = path.length; var as = path.slice(0, i); var bs = another.slice(0, i); return Path.equals(as, bs); }, endsBefore: function endsBefore(path, another) { var i = path.length - 1; var as = path.slice(0, i); var bs = another.slice(0, i); var av = path[i]; var bv = another[i]; return Path.equals(as, bs) && av < bv; }, equals: function equals(path, another) { return path.length === another.length && path.every(function (n, i) { return n === another[i]; }); }, hasPrevious: function hasPrevious(path) { return path[path.length - 1] > 0; }, isAfter: function isAfter(path, another) { return Path.compare(path, another) === 1; }, isAncestor: function isAncestor(path, another) { return path.length < another.length && Path.compare(path, another) === 0; }, isBefore: function isBefore(path, another) { return Path.compare(path, another) === -1; }, isChild: function isChild(path, another) { return path.length === another.length + 1 && Path.compare(path, another) === 0; }, isCommon: function isCommon(path, another) { return path.length <= another.length && Path.compare(path, another) === 0; }, isDescendant: function isDescendant(path, another) { return path.length > another.length && Path.compare(path, another) === 0; }, isParent: function isParent(path, another) { return path.length + 1 === another.length && Path.compare(path, another) === 0; }, isPath: function isPath(value) { return Array.isArray(value) && value.every(function (n) { return typeof n === 'number'; }); }, isSibling: function isSibling(path, another) { if (path.length !== another.length) { return false; } var as = path.slice(0, -1); var bs = another.slice(0, -1); var al = path[path.length - 1]; var bl = another[another.length - 1]; return al !== bl && Path.equals(as, bs); }, levels: function levels(path) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; var _options$reverse2 = options.reverse, reverse = _options$reverse2 === void 0 ? false : _options$reverse2; var list = []; for (var i = 0; i <= path.length; i++) { list.push(path.slice(0, i)); } if (reverse) { list.reverse(); } return list; }, next: function next(path) { if (path.length === 0) { throw new Error("Cannot get the next path of a root path [".concat(path, "], because it has no next index.")); } var last = path[path.length - 1]; return path.slice(0, -1).concat(last + 1); }, operationCanTransformPath: function operationCanTransformPath(operation) { switch (operation.type) { case 'insert_node': case 'remove_node': case 'merge_node': case 'split_node': case 'move_node': return true; default: return false; } }, parent: function parent(path) { if (path.length === 0) { throw new Error("Cannot get the parent path of the root path [".concat(path, "].")); } return path.slice(0, -1); }, previous: function previous(path) { if (path.length === 0) { throw new Error("Cannot get the previous path of a root path [".concat(path, "], because it has no previous index.")); } var last = path[path.length - 1]; if (last <= 0) { throw new Error("Cannot get the previous path of a first child path [".concat(path, "] because it would result in a negative index.")); } return path.slice(0, -1).concat(last - 1); }, relative: function relative(path, ancestor) { if (!Path.isAncestor(ancestor, path) && !Path.equals(path, ancestor)) { throw new Error("Cannot get the relative path of [".concat(path, "] inside ancestor [").concat(ancestor, "], because it is not above or equal to the path.")); } return path.slice(ancestor.length); }, transform: function transform(path, operation) { var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; if (!path) return null; // PERF: use destructing instead of immer var p = _toConsumableArray(path); var _options$affinity = options.affinity, affinity = _options$affinity === void 0 ? 'forward' : _options$affinity; // PERF: Exit early if the operation is guaranteed not to have an effect. if (path.length === 0) { return p; } switch (operation.type) { case 'insert_node': { var op = operation.path; if (Path.equals(op, p) || Path.endsBefore(op, p) || Path.isAncestor(op, p)) { p[op.length - 1] += 1; } break; } case 'remove_node': { var _op = operation.path; if (Path.equals(_op, p) || Path.isAncestor(_op, p)) { return null; } else if (Path.endsBefore(_op, p)) { p[_op.length - 1] -= 1; } break; } case 'merge_node': { var _op2 = operation.path, position = operation.position; if (Path.equals(_op2, p) || Path.endsBefore(_op2, p)) { p[_op2.length - 1] -= 1; } else if (Path.isAncestor(_op2, p)) { p[_op2.length - 1] -= 1; p[_op2.length] += position; } break; } case 'split_node': { var _op3 = operation.path, _position = operation.position; if (Path.equals(_op3, p)) { if (affinity === 'forward') { p[p.length - 1] += 1; } else if (affinity === 'backward') ; else { return null; } } else if (Path.endsBefore(_op3, p)) { p[_op3.length - 1] += 1; } else if (Path.isAncestor(_op3, p) && path[_op3.length] >= _position) { p[_op3.length - 1] += 1; p[_op3.length] -= _position; } break; } case 'move_node': { var _op4 = operation.path, onp = operation.newPath; // If the old and new path are the same, it's a no-op. if (Path.equals(_op4, onp)) { return p; } if (Path.isAncestor(_op4, p) || Path.equals(_op4, p)) { var copy = onp.slice(); if (Path.endsBefore(_op4, onp) && _op4.length < onp.length) { copy[_op4.length - 1] -= 1; } return copy.concat(p.slice(_op4.length)); } else if (Path.isSibling(_op4, onp) && (Path.isAncestor(onp, p) || Path.equals(onp, p))) { if (Path.endsBefore(_op4, p)) { p[_op4.length - 1] -= 1; } else { p[_op4.length - 1] += 1; } } else if (Path.endsBefore(onp, p) || Path.equals(onp, p) || Path.isAncestor(onp, p)) { if (Path.endsBefore(_op4, p)) { p[_op4.length - 1] -= 1; } p[onp.length - 1] += 1; } else if (Path.endsBefore(_op4, p)) { if (Path.equals(onp, p)) { p[onp.length - 1] += 1; } p[_op4.length - 1] -= 1; } break; } } return p; } }; var _typeof_1 = createCommonjsModule(function (module) { function _typeof(o) { "@babel/helpers - typeof"; return (module.exports = _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, module.exports.__esModule = true, module.exports["default"] = module.exports), _typeof(o); } module.exports = _typeof, module.exports.__esModule = true, module.exports["default"] = module.exports; }); var _typeof = unwrapExports(_typeof_1); var toPrimitive = createCommonjsModule(function (module) { var _typeof = _typeof_1["default"]; function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); } module.exports = _toPrimitive, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(toPrimitive); var toPropertyKey = createCommonjsModule(function (module) { var _typeof = _typeof_1["default"]; function _toPropertyKey(arg) { var key = toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); } module.exports = _toPropertyKey, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(toPropertyKey); var defineProperty = createCommonjsModule(function (module) { function _defineProperty(obj, key, value) { key = toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } module.exports = _defineProperty, module.exports.__esModule = true, module.exports["default"] = module.exports; }); var _defineProperty = unwrapExports(defineProperty); var arrayWithHoles = createCommonjsModule(function (module) { function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; } module.exports = _arrayWithHoles, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(arrayWithHoles); var iterableToArrayLimit = createCommonjsModule(function (module) { function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = true, o = false; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = true, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } } module.exports = _iterableToArrayLimit, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(iterableToArrayLimit); var nonIterableRest = createCommonjsModule(function (module) { function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } module.exports = _nonIterableRest, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(nonIterableRest); var slicedToArray = createCommonjsModule(function (module) { function _slicedToArray(arr, i) { return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || unsupportedIterableToArray(arr, i) || nonIterableRest(); } module.exports = _slicedToArray, module.exports.__esModule = true, module.exports["default"] = module.exports; }); var _slicedToArray = unwrapExports(slicedToArray); var objectWithoutPropertiesLoose = createCommonjsModule(function (module) { function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; } module.exports = _objectWithoutPropertiesLoose, module.exports.__esModule = true, module.exports["default"] = module.exports; }); unwrapExports(objectWithoutPropertiesLoose); var objectWithoutProperties = createCommonjsModule(function (module) { function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; } module.exports = _objectWithoutProperties, module.exports.__esModule = true, module.exports["default"] = module.exports; }); var _objectWithoutProperties = unwrapExports(objectWithoutProperties); var _excluded$4 = ["anchor", "focus"]; function ownKeys$g(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$g(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys$g(Object(t), true).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys$g(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; } // eslint-disable-next-line no-redeclare var Range = { edges: function edges(range) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; var _options$reverse = options.reverse, reverse = _options$reverse === void 0 ? false : _options$reverse; var anchor = range.anchor, focus = range.focus; return Range.isBackward(range) === reverse ? [anchor, focus] : [focus, anchor]; }, end: function end(range) { var _Range$edges = Range.edges(range), _Range$edges2 = _slicedToArray(_Range$edges, 2), end = _Range$edges2[1]; return end; }, equals: function equals(range, another) { return Point.equals(range.anchor, another.anchor) && Point.equals(range.focus, another.focus); }, surrounds: function surrounds(range, target) { var intersectionRange = Range.intersection(range, target); if (!intersectionRange) { return false; } return Range.equals(intersectionRange, target); }, includes: function includes(range, target) { if (Location.isRange(target)) { if (Range.includes(range, target.anchor) || Range.includes(range, target.focus)) { return true; } var _Range$edges3 = Range.edges(range), _Range$edges4 = _slicedToArray(_Range$edges3, 2), rs = _Range$edges4[0], re = _Range$edges4[1]; var _Range$edges5 = Range.edges(target), _Range$edges6 = _slicedToArray(_Range$edges5, 2), ts = _Range$edges6[0], te = _Range$edges6[1]; return Point.isBefore(rs, ts) && Point.isAfter(re, te); } var _Range$edges7 = Range.edges(range), _Range$edges8 = _slicedToArray(_Range$edges7, 2), start = _Range$edges8[0], end = _Range$edges8[1]; var isAfterStart = false; var isBeforeEnd = false; if (Location.isPoint(target)) { isAfterStart = Point.compare(target, start) >= 0; isBeforeEnd = Point.compare(target, end) <= 0; } else { isAfterStart = Path.compare(target, start.path) >= 0; isBeforeEnd = Path.compare(target, end.path) <= 0; } return isAfterStart && isBeforeEnd; }, intersection: function intersection(range, another) { range.anchor; range.focus; var rest = _objectWithoutProperties(range, _excluded$4); var _Range$edges9 = Range.edges(range), _Range$edges10 = _slicedToArray(_Range$edges9, 2), s1 = _Range$edges10[0], e1 = _Range$edges10[1]; var _Range$edges11 = Range.edges(another), _Range$edges12 = _slicedToArray(_Range$edges11, 2), s2 = _Range$edges12[0], e2 = _Range$edges12[1]; var start = Point.isBefore(s1, s2) ? s2 : s1; var end = Point.isBefore(e1, e2) ? e1 : e2; if (Point.isBefore(end, start)) { return null; } else { return _objectSpread$g({ anchor: start, focus: end }, rest); } }, isBackward: function isBackward(range) { var anchor = range.anchor, focus = range.focus; return Point.isAfter(anchor, focus); }, isCollapsed: function isCollapsed(range) { var anchor = range.anchor, focus = range.focus; return Point.equals(anchor, focus); }, isExpanded: function isExpanded(range) { return !Range.isCollapsed(range); }, isForward: function isForward(range) { return !Range.isBackward(range); }, isRange: function isRange(value) { return isObject(value) && Point.isPoint(value.anchor) && Point.isPoint(value.focus); }, points: function* points(range) { yield [range.anchor, 'anchor']; yield [range.focus, 'focus']; }, start: function start(range) { var _Range$edges13 = Range.edges(range), _Range$edges14 = _slicedToArray(_Range$edges13, 1), start = _Range$edges14[0]; return start; }, transform: function transform(range, op) { var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; if (range === null) { return null; } var _options$affinity = options.affinity, affinity = _options$affinity === void 0 ? 'inward' : _options$affinity; var affinityAnchor; var affinityFocus; if (affinity === 'inward') { // If the range is collapsed, make sure to use the same affinity to // avoid the two points passing each other and expanding in the opposite // direction var isCollapsed = Range.isCollapsed(range); if (Range.isForward(range)) { affinityAnchor = 'forward'; affinityFocus = isCollapsed ? affinityAnchor : 'backward'; } else { affinityAnchor = 'backward'; affinityFocus = isCollapsed ? affinityAnchor : 'forward'; } } else if (affinity === 'outward') { if (Range.isForward(range)) { affinityAnchor = 'backward'; affinityFocus = 'forward'; } else { affinityAnchor = 'forward'; affinityFocus = 'backward'; } } else { affinityAnchor = affinity; affinityFocus = affinity; } var anchor = Point.transform(range.anchor, op, { affinity: affinityAnchor }); var focus = Point.transform(range.focus, op, { affinity: affinityFocus }); if (!anchor || !focus) { return null; } return { anchor: anchor, focus: focus }; } }; /** * Shared the function with isElementType utility */ var isElement = function isElement(value) { var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, _ref$deep = _ref.deep, deep = _ref$deep === void 0 ? false : _ref$deep; if (!isObject(value)) return false; // PERF: No need to use the full Editor.isEditor here var isEditor = typeof value.apply === 'function'; if (isEditor) return false; var isChildrenValid = deep ? Node.isNodeList(value.children) : Array.isArray(value.children); return isChildrenValid; }; // eslint-disable-next-line no-redeclare var Element = { isAncestor: function isAncestor(value) { var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, _ref2$deep = _ref2.deep, deep = _ref2$deep === void 0 ? false : _ref2$deep; return isObject(value) && Node.isNodeList(value.children, { deep: deep }); }, isElement: isElement, isElementList: function isElementList(value) { var _ref3 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, _ref3$deep = _ref3.deep, deep = _ref3$deep === void 0 ? false : _ref3$deep; return Array.isArray(value) && value.every(function (val) { return Element.isElement(val, { deep: deep }); }); }, isElementProps: function isElementProps(props) { return props.children !== undefined; }, isElementType: function isElementType(value, elementVal) { var elementKey = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'type'; return isElement(value) && value[elementKey] === elementVal; }, matches: function matches(element, props) { for (var key in props) { if (key === 'children') { continue; } if (element[key] !== props[key]) { return false; } } return true; } }; var _excluded$3 = ["text"], _excluded2$3 = ["children"]; function ownKeys$f(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$f(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys$f(Object(t), true).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys$f(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; } function _createForOfIteratorHelper$l(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray$l(o)) || allowArrayLike) { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; } function _unsupportedIterableToArray$l(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray$l(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray$l(o, minLen); } function _arrayLikeToArray$l(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; } // eslint-disable-next-line no-redeclare var Node = { ancestor: function ancestor(root, path) { var node = Node.get(root, path); if (Node.isText(node)) { throw new Error("Cannot get the ancestor node at path [".concat(path, "] because it refers to a text node instead: ").concat(Scrubber.stringify(node))); } return node; }, ancestors: function ancestors(root, path) { var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; return function* () { var _iterator = _createForOfIteratorHelper$l(Path.ancestors(path, options)), _step; try { for (_iterator.s(); !(_step = _iterator.n()).done;) { var p = _step.value; var n = Node.ancestor(root, p); var entry = [n, p]; yield entry; } } catch (err) { _iterator.e(err); } finally { _iterator.f(); } }(); }, child: function child(root, index) { if (Node.isText(root)) { throw new Error("Cannot get the child of a text node: ".concat(Scrubber.stringify(root))); } if (typeof index !== 'number') { throw new Error('Expected index to be a number'); } var c = root.children[index]; if (c == null) { throw new Error("Cannot get child at index `".concat(index, "` in node: ").concat(Scrubber.stringify(root))); } return c; }, children: function children(root, path) { var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; return function* () { var _options$reverse = options.reverse, reverse = _options$reverse === void 0 ? false : _options$reverse; var ancestor = Node.ancestor(root, path); var children = ancestor.children; var index = reverse ? children.length - 1 : 0; while (reverse ? index >= 0 : index < children.length) { var child = Node.child(ancestor, index); var childPath = path.concat(index); yield [child, childPath]; index = reverse ? index - 1 : index + 1; } }(); }, common: function common(root, path, another) { var p = Path.common(path, another); var n = Node.get(root, p); return [n, p]; }, descendant: function descendant(root, path) { var node = Node.get(root, path); if (Node.isEditor(node)) { throw new Error("Cannot get the descendant node at path [".concat(path, "] because it refers to the root editor node instead: ").concat(Scrubber.stringify(node))); } return node; }, descendants: function descendants(root) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; return function* () { var _iterator2 = _createForOfIteratorHelper$l(Node.nodes(root, options)), _step2; try { for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) { var _step2$value = _slicedToArray(_step2.value, 2), node = _step2$value[0], path = _step2$value[1]; if (path.length !== 0) { // NOTE: we have to coerce here because checking the path's length does // guarantee that `node` is not a `Editor`, but TypeScript doesn't know. yield [node, path]; } } } catch (err) { _iterator2.e(err); } finally { _iterator2.f(); } }(); }, elements: function elements(root) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; return function* () { var _iterator3 = _createForOfIteratorHelper$l(Node.nodes(root, options)), _step3; try { for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) { var _step3$value = _slicedToArray(_step3.value, 2), node = _step3$value[0], path = _step3$value[1]; if (Node.isElement(node)) { yield [node, path]; } } } catch (err) { _iterator3.e(err); } finally { _iterator3.f(); } }(); }, extractProps: function extractProps(node) { if (Node.isText(node)) { node.text; var properties = _objectWithoutProperties(node, _excluded$3); return properties; } else { node.children; var _properties = _objectWithoutProperties(node, _excluded2$3); return _properties; } }, first: function first(root, path) { var p = path.slice(); var n = Node.get(root, p); while (n) { if (Node.isText(n) || n.children.length === 0) { break; } else { n = n.children[0]; p.push(0); } } return [n, p]; }, fragment: function fragment(root, range) { var newRoot = { children: root.children }; var _Range$edges = Range.edges(range), _Range$edges2 = _slicedToArray(_Range$edges, 2), start = _Range$edges2[0], end = _Range$edges2[1]; var nodeEntries = Node.nodes(newRoot, { reverse: true, pass: function pass(_ref) { var _ref2 = _slicedToArray(_ref, 2), path = _ref2[1]; return !Range.includes(range, path); } }); var _iterator4 = _createForOfIteratorHelper$l(nodeEntries), _step4; try { var _loop = function _loop() { var _step4$value = _slicedToArray(_step4.value, 2), path = _step4$value[1]; if (!Range.includes(range, path)) { var index = path[path.length - 1]; modifyChildren(newRoot, Path.parent(path), function (children) { return removeChildren(children, index, 1); }); } if (Path.equals(path, end.path)) { modifyLeaf(newRoot, path, function (node) { var before = node.text.slice(0, end.offset); return _objectSpread$f(_objectSpread$f({}, node), {}, { text: before }); }); } if (Path.equals(path, start.path)) { modifyLeaf(newRoot, path, function (node) { var before = node.text.slice(start.offset); return _objectSpread$f(_objectSpread$f({}, node), {}, { text: before }); }); } }; for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) { _loop(); } } catch (err) { _iterator4.e(err); } finally { _iterator4.f(); } return newRoot.children; }, get: function get(root, path) { var node = Node.getIf(root, path); if (node === undefined) { throw new Error("Cannot find a descendant at path [".concat(path, "] in node: ").concat(Scrubber.stringify(root))); } return node; }, getIf: function getIf(root, path) { var node = root; for (var i = 0; i < path.length; i++) { var p = path[i]; if (typeof p !== 'number') { throw new Error('Got non-numeric path index'); } if (Node.isText(node) || !node.children[p]) { return; } node = node.children[p]; } return node; }, has: function has(root, path) { var node = root; for (var i = 0; i < path.length; i++) { var p = path[i]; if (typeof p !== 'number') { throw new Error('Got non-numeric path index'); } if (Node.isText(node) || !node.children[p]) { return false; } node = node.children[p]; } return true; }, isAncestor: function isAncestor(node) { return !Node.isText(node); }, isEditor: function isEditor(node) { return typeof node.apply === 'function'; }, isElement: function isElement(node) { return Array.isArray(node.children) && typeof node.apply !== 'function'; }, isNode: function isNode(value) { var _ref3 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, _ref3$deep = _ref3.deep, deep = _ref3$deep === void 0 ? false : _ref3$deep; return Text.isText(value) || Element.isElement(value, { deep: deep }) || Editor.isEditor(value, { deep: deep }); }, isNodeList: function isNodeList(value) { var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, _ref4$deep = _ref4.deep, deep = _ref4$deep === void 0 ? false : _ref4$deep; return Array.isArray(value) && value.every(function (val) { return Node.isNode(val, { deep: deep }); }); }, isText: function isText(node) { return typeof node.text === 'string'; }, last: function last(root, path) { var p = path.slice(); var n = Node.get(root, p); while (n) { if (Node.isText(n) || n.children.length === 0) { break; } else { var i = n.children.length - 1; n = n.children[i]; p.push(i); } } return [n, p]; }, leaf: function leaf(root, path) { var node = Node.get(root, path); if (!Node.isText(node)) { throw new Error("Cannot get the leaf node at path [".concat(path, "] because it refers to a non-leaf node: ").concat(Scrubber.stringify(node))); } return node; }, levels: function levels(root, path) { var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; return function* () { var _iterator5 = _createForOfIteratorHelper$l(Path.levels(path, options)), _step5; try { for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) { var p = _step5.value; var n = Node.get(root, p); yield [n, p]; } } catch (err) { _iterator5.e(err); } finally { _iterator5.f(); } }(); }, matches: function matches(node, props) { return Node.isElement(node) && Element.isElementProps(props) && Element.matches(node, props) || Node.isText(node) && Text.isTextProps(props) && Text.matches(node, props); }, nodes: function nodes(root) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; return function* () { var pass = options.pass, _options$reverse2 = options.reverse, reverse = _options$reverse2 === void 0 ? false : _options$reverse2; var _options$from = options.from, from = _options$from === void 0 ? [] : _options$from, to = options.to; var visited = new Set(); var p = []; var n = root; while (true) { if (to && (reverse ? Path.isBefore(p, to) : Path.isAfter(p, to))) { break; } if (!visited.has(n)) { yield [n, p]; } // If we're allowed to go downward and we haven't descended yet, do. if (!visited.has(n) && !Node.isText(n) && n.children.length !== 0 && (pass == null || pass([n, p]) === false)) { visited.add(n); var nextIndex = reverse ? n.children.length - 1 : 0; if (Path.isAncestor(p, from)) { nextIndex = from[p.length]; } p = p.concat(nextIndex); n = Node.get(root, p); continue; } // If we're at the root and we can't go down, we're done. if (p.length === 0) { break; } // If we're going forward... if (!reverse) { var newPath = Path.next(p); if (Node.has(root, newPath)) { p = newPath; n = Node.get(root, p); continue; } } // If we're going backward... if (reverse && p[p.length - 1] !== 0) { var _newPath = Path.previous(p); p = _newPath; n = Node.get(root, p); continue; } // Otherwise we're going upward... p = Path.parent(p); n = Node.get(root, p); visited.add(n); } }(); }, parent: function parent(root, path) { var parentPath = Path.parent(path); var node = Node.get(root, parentPath); if (Node.isText(node)) { // this can happen if `path` points somewhere that doesnt exist and it's where a child of a text node would be throw new Error("Cannot get the parent of path [".concat(path, "] because it does not exist in the root.")); } return node; }, string: function string(node) { if (Node.isText(node)) { return node.text; } else { return node.children.map(Node.string).join(''); } }, texts: function texts(root) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; return function* () { var _iterator6 = _createForOfIteratorHelper$l(Node.nodes(root, options)), _step6; try { for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) { var _step6$value = _slicedToArray(_step6.value, 2), node = _step6$value[0], path = _step6$value[1]; if (Node.isText(node)) { yield [node, path]; } } } catch (err) { _iterator6.e(err); } finally { _iterator6.f(); } }(); } }; function ownKeys$e(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; } function _objectSpread$e(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys$e(Object(t), true).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys$e(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; } // eslint-disable-next-line no-redeclare var Operation = { isNodeOperation: function isNodeOperation(value) { return Operation.isOperation(value) && value.type.endsWith('_node'); }, isOperation: function isOperation(value) { if (!isObject(value)) { return false; } switch (value.type) { case 'insert_node': return Path.isPath(value.path) && Node.isNode(value.node); case 'insert_text': return typeof value.offset === 'number' && typeof value.text === 'string' && Path.isPath(value.path); case 'merge_node': return typeof value.position === 'number' && Path.isPath(value.path) && isObject(value.properties); case 'move_node': return Path.isPath(value.path) && Path.isPath(value.newPath); case 'remove_node': return Path.isPath(value.path) && Node.isNode(value.node); case 'remove_text': return typeof value.offset === 'number' && typeof value.text === 'string' && Path.isPath(value.path); case 'set_node': return Path.isPath(value.path) && isObject(value.properties) && isObject(value.newProperties); case 'set_selection': return value.properties === null && Range.isRange(value.newProperties) || value.newProperties === null && Range.isRange(value.properties) || isObject(value.properties) && isObject(value.newProperties); case 'split_node': return Path.isPath(value.path) && typeof value.position === 'number' && isObject(value.properties); default: return false; } }, isOperationList: function isOperationList(value) { return Array.isArray(value) && value.every(function (val) { return Operation.isOperation(val); }); }, isSelectionOperation: function isSelectionOperation(value) { return Operation.isOperation(value) && value.type.endsWith('_selection'); }, isTextOperation: function isTextOperation(value) { return Operation.isOperation(value) && value.type.endsWith('_text'); }, inverse: function inverse(op) { switch (op.type) { case 'insert_node': { return _objectSpread$e(_objectSpread$e({}, op), {}, { type: 'remove_node' }); } case 'insert_text': { return _objectSpread$e(_objectSpread$e({}, op), {}, { type: 'remove_text' }); } case 'merge_node': { return _objectSpread$e(_objectSpread$e({}, op), {}, { type: 'split_node', path: Path.previous(op.path) }); } case 'move_node': { var newPath = op.newPath, path = op.path; // PERF: in this case the move operation is a no-op anyways. if (Path.equals(newPath, path)) { return op; } // If the move happens completely within a single parent the path and // newPath are stable with respect to each other. if (Path.isSibling(path, newPath)) { return _objectSpread$e(_objectSpread$e({}, op), {}, { path: newPath, newPath: path }); } // If the move does not happen within a single parent it is possible // for the move to impact the true path to the location where the node // was removed from and where it was inserted. We have to adjust for this // and find the original path. We can accomplish this (only in non-sibling) // moves by looking at the impact of the move operation on the node // after the original move path. var inversePath = Path.transform(path, op); var inverseNewPath = Path.transform(Path.next(path), op); return _objectSpread$e(_objectSpread$e({}, op), {}, { path: inversePath, newPath: inverseNewPath }); } case 'remove_node': { return _objectSpread$e(_objectSpread$e({}, op), {}, { type: 'insert_node' }); } case 'remove_text': { return _objectSpread$e(_objectSpread$e({}, op), {}, { type: 'insert_text' }); } case 'set_node': { var properties = op.properties, newProperties = op.newProperties; return _objectSpread$e(_objectSpread$e({}, op), {}, { properties: newProperties, newProperties: properties }); } case 'set_selection': { var _properties = op.properties, _newProperties = op.newProperties; if (_properties == null) { return _objectSpread$e(_objectSpread$e({}, op), {}, { properties: _newProperties, newProperties: null }); } else if (_newProperties == null) { return _objectSpread$e(_objectSpread$e({}, op), {}, { properties: null, newProperties: _properties }); } else { return _objectSpread$e(_objectSpread$e({}, op), {}, { properties: _newProperties, newProperties: _properties }); } } case 'split_node': { return _objectSpread$e(_objectSpread$e({}, op), {}, { type: 'merge_node', path: Path.next(op.path) }); } } } }; var isObject = function isObject(value) { return _typeof(value) === 'object' && value !== null; }; /** * Custom deep equal comparison for Slate nodes. Since Slate only supports plain * values, arrays and nested objects, we don't need a general purpose deep * equality check. * * Slate objects are designed to be serialised, so missing keys are deliberately * normalised to undefined. */ var isDeepEqual = function isDeepEqual(a, b) { if (Array.isArray(a) && Array.isArray(b)) { if (a.length !== b.length) return false; for (var i = 0; i < a.length; i++) { if (!isDeepEqual(a[i], b[i])) return false; } return true; } if (isObject(a) && isObject(b)) { for (var key in a) { var valueA = Object.hasOwn(a, key) ? a[key] : undefined; var valueB = Object.hasOwn(b, key) ? b[key] : undefined; if (!isDeepEqual(valueA, valueB)) return false; } // Deep object equality is only necessary in one direction; in the reverse // direction we are only looking for keys that are missing. As above, // undefined keys treated the same as missing keys. for (var _key in b) { if (a[_key] === undefined && b[_key] !== undefined) return false; } return true; } return a === b; }; /** * Get the default location to insert content into the editor. * By default, use the selection as the target location. But if there is * no selection, insert at the end of the document since that is such a * common use case when inserting from a non-selected state. */ var getDefaultInsertLocation = function getDefaultInsertLocation(editor) { if (editor.selection) { return editor.selection; } else if (editor.children.length > 0) { return Editor.end(editor, []); } else { return [0]; } }; var matchPath = function matchPath(editor, path) { var _Editor$node = Editor.node(editor, path), _Editor$node2 = _slicedToArray(_Editor$node, 1), node = _Editor$node2[0]; return function (n) { return n === node; }; }; function _createForOfIteratorHelper$k(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray$k(o)) || allowArrayLike) { if (it) o = it; va