reactjs-tiptap-editor/lib/clsx-CXbNJWDD.cjs

A modern WYSIWYG rich text editor based on tiptap and shadcn ui for React

"use strict";const T=require("react"),an=require("react-dom"),J=require("react/jsx-runtime"),M=require("@tiptap/pm/state"),_=require("@tiptap/pm/model");require("@tiptap/pm/view");var xe={exports:{}},Fe={};/**
 * @license React
 * use-sync-external-store-shim.production.js
 *
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */var At;function Sr(){if(At)return Fe;At=1;var n=T;function e(f,h){return f===h&&(f!==0||1/f===1/h)||f!==f&&h!==h}var t=typeof Object.is=="function"?Object.is:e,r=n.useState,i=n.useEffect,s=n.useLayoutEffect,o=n.useDebugValue;function l(f,h){var d=h(),m=r({inst:{value:d,getSnapshot:h}}),p=m[0].inst,g=m[1];return s(function(){p.value=d,p.getSnapshot=h,a(p)&&g({inst:p})},[f,d,h]),i(function(){return a(p)&&g({inst:p}),f(function(){a(p)&&g({inst:p})})},[f]),o(d),d}function a(f){var h=f.getSnapshot;f=f.value;try{var d=h();return!t(f,d)}catch{return!0}}function c(f,h){return h()}var u=typeof window>"u"||typeof window.document>"u"||typeof window.document.createElement>"u"?c:l;return Fe.useSyncExternalStore=n.useSyncExternalStore!==void 0?n.useSyncExternalStore:u,Fe}var qe={};/**
 * @license React
 * use-sync-external-store-shim.development.js
 *
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */var Nt;function xr(){return Nt||(Nt=1,process.env.NODE_ENV!=="production"&&(function(){function n(d,m){return d===m&&(d!==0||1/d===1/m)||d!==d&&m!==m}function e(d,m){u||i.startTransition===void 0||(u=!0,console.error("You are using an outdated, pre-release alpha of React 18 that does not support useSyncExternalStore. The use-sync-external-store shim will not work correctly. 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if(t.getContent)this.findInside(e),t.getContent(e,this.parser.schema).forEach(a=>this.insertNode(a,r,!1));else{let a=e;typeof t.contentElement=="string"?a=e.querySelector(t.contentElement):typeof t.contentElement=="function"?a=t.contentElement(e):t.contentElement&&(a=t.contentElement),this.findAround(e,a,!0),this.addAll(a,r),this.findAround(e,a,!1)}s&&this.sync(l)&&this.open--}addAll(e,t,r,i){let s=r||0;for(let o=r?e.childNodes[r]:e.firstChild,l=i==null?null:e.childNodes[i];o!=l;o=o.nextSibling,++s)this.findAtPoint(e,s),this.addDOM(o,t);this.findAtPoint(e,s)}findPlace(e,t,r){let i,s;for(let o=this.open,l=0;o>=0;o--){let a=this.nodes[o],c=a.findWrapping(e);if(c&&(!i||i.length>c.length+l)&&(i=c,s=a,!c.length))break;if(a.solid){if(r)break;l+=2}}if(!i)return null;this.sync(s);for(let o=0;o<i.length;o++)t=this.enterInner(i[o],null,t,!1);return t}insertNode(e,t,r){if(e.isInline&&this.needsBlock&&!this.top.type){let s=this.textblockFromContext();s&&(t=this.enterInner(s,null,t))}let i=this.findPlace(e,t,r);if(i){this.closeExtra();let s=this.top;s.match&&(s.match=s.match.matchType(e.type));let o=L.none;for(let l of i.concat(e.marks))(s.type?s.type.allowsMarkType(l.type):$t(l.type,e.type))&&(o=l.addToSet(o));return s.content.push(e.mark(o)),!0}return!1}enter(e,t,r,i){let s=this.findPlace(e.create(t),r,!1);return s&&(s=this.enterInner(e,t,r,!0,i)),s}enterInner(e,t,r,i=!1,s){this.closeExtra();let o=this.top;o.match=o.match&&o.match.matchType(e);let l=It(e,s,o.options);o.options&he&&o.content.length==0&&(l|=he);let a=L.none;return r=r.filter(c=>(o.type?o.type.allowsMarkType(c.type):$t(c.type,e))?(a=c.addToSet(a),!1):!0),this.nodes.push(new be(e,t,a,i,null,l)),this.open++,r}closeExtra(e=!1){let t=this.nodes.length-1;if(t>this.open){for(;t>this.open;t--)this.nodes[t-1].content.push(this.nodes[t].finish(e));this.nodes.length=this.open+1}}finish(){return this.open=0,this.closeExtra(this.isOpen),this.nodes[0].finish(!!(this.isOpen||this.options.topOpen))}sync(e){for(let t=this.open;t>=0;t--){if(this.nodes[t]==e)return this.open=t,!0;this.localPreserveWS&&(this.nodes[t].options|=pe)}return!1}get currentPos(){this.closeExtra();let e=0;for(let t=this.open;t>=0;t--){let r=this.nodes[t].content;for(let i=r.length-1;i>=0;i--)e+=r[i].nodeSize;t&&e++}return e}findAtPoint(e,t){if(this.find)for(let r=0;r<this.find.length;r++)this.find[r].node==e&&this.find[r].offset==t&&(this.find[r].pos=this.currentPos)}findInside(e){if(this.find)for(let t=0;t<this.find.length;t++)this.find[t].pos==null&&e.nodeType==1&&e.contains(this.find[t].node)&&(this.find[t].pos=this.currentPos)}findAround(e,t,r){if(e!=t&&this.find)for(let i=0;i<this.find.length;i++)this.find[i].pos==null&&e.nodeType==1&&e.contains(this.find[i].node)&&t.compareDocumentPosition(this.find[i].node)&(r?2:4)&&(this.find[i].pos=this.currentPos)}findInText(e){if(this.find)for(let t=0;t<this.find.length;t++)this.find[t].node==e&&(this.find[t].pos=this.currentPos-(e.nodeValue.length-this.find[t].offset))}matchesContext(e){if(e.indexOf("|")>-1)return e.split(/\s*\|\s*/).some(this.matchesContext,this);let t=e.split("/"),r=this.options.context,i=!this.isOpen&&(!r||r.parent.type==this.nodes[0].type),s=-(r?r.depth+1:0)+(i?0:1),o=(l,a)=>{for(;l>=0;l--){let c=t[l];if(c==""){if(l==t.length-1||l==0)continue;for(;a>=s;a--)if(o(l-1,a))return!0;return!1}else{let u=a>0||a==0&&i?this.nodes[a].type:r&&a>=s?r.node(a-s).type:null;if(!u||u.name!=c&&!u.isInGroup(c))return!1;a--}}return!0};return o(t.length-1,this.open)}textblockFromContext(){let e=this.options.context;if(e)for(let t=e.depth;t>=0;t--){let r=e.node(t).contentMatchAt(e.indexAfter(t)).defaultType;if(r&&r.isTextblock&&r.defaultAttrs)return r}for(let t in this.parser.schema.nodes){let r=this.parser.schema.nodes[t];if(r.isTextblock&&r.defaultAttrs)return r}}}function Ir(n){for(let e=n.firstChild,t=null;e;e=e.nextSibling){let r=e.nodeType==1?e.nodeName.toLowerCase():null;r&&mn.hasOwnProperty(r)&&t?(t.appendChild(e),e=t):r=="li"?t=e:r&&(t=null)}}function zr(n,e){return(n.matches||n.msMatchesSelector||n.webkitMatchesSelector||n.mozMatchesSelector).call(n,e)}function Pt(n){let e={};for(let t in n)e[t]=n[t];return e}function $t(n,e){let t=e.schema.nodes;for(let r in t){let i=t[r];if(!i.allowsMarkType(n))continue;let s=[],o=l=>{s.push(l);for(let a=0;a<l.edgeCount;a++){let{type:c,next:u}=l.edge(a);if(c==e||s.indexOf(u)<0&&o(u))return!0}};if(o(i.contentMatch))return!0}}class ct{constructor(e,t){this.nodes=e,this.marks=t}serializeFragment(e,t={},r){r||(r=We(t).createDocumentFragment());let i=r,s=[];return e.forEach(o=>{if(s.length||o.marks.length){let l=0,a=0;for(;l<s.length&&a<o.marks.length;){let c=o.marks[a];if(!this.marks[c.type.name]){a++;continue}if(!c.eq(s[l][0])||c.type.spec.spanning===!1)break;l++,a++}for(;l<s.length;)i=s.pop()[1];for(;a<o.marks.length;){let c=o.marks[a++],u=this.serializeMark(c,o.isInline,t);u&&(s.push([c,i]),i.appendChild(u.dom),i=u.contentDOM||u.dom)}}i.appendChild(this.serializeNodeInner(o,t))}),r}serializeNodeInner(e,t){let{dom:r,contentDOM:i}=Ae(We(t),this.nodes[e.type.name](e),null,e.attrs);if(i){if(e.isLeaf)throw new RangeError("Content hole not allowed in a leaf node spec");this.serializeFragment(e.content,t,i)}return r}serializeNode(e,t={}){let r=this.serializeNodeInner(e,t);for(let i=e.marks.length-1;i>=0;i--){let s=this.serializeMark(e.marks[i],e.isInline,t);s&&((s.contentDOM||s.dom).appendChild(r),r=s.dom)}return r}serializeMark(e,t,r={}){let i=this.marks[e.type.name];return i&&Ae(We(r),i(e,t),null,e.attrs)}static renderSpec(e,t,r=null,i){return Ae(e,t,r,i)}static fromSchema(e){return e.cached.domSerializer||(e.cached.domSerializer=new ct(this.nodesFromSchema(e),this.marksFromSchema(e)))}static nodesFromSchema(e){let t=Dt(e.nodes);return t.text||(t.text=r=>r.text),t}static marksFromSchema(e){return Dt(e.marks)}}function Dt(n){let e={};for(let t in n){let r=n[t].spec.toDOM;r&&(e[t]=r)}return e}function We(n){return n.document||window.document}const Bt=new WeakMap;function Pr(n){let e=Bt.get(n);return e===void 0&&Bt.set(n,e=$r(n)),e}function $r(n){let e=null;function t(r){if(r&&typeof r=="object")if(Array.isArray(r))if(typeof r[0]=="string")e||(e=[]),e.push(r);else for(let i=0;i<r.length;i++)t(r[i]);else for(let i in r)t(r[i])}return t(n),e}function Ae(n,e,t,r){if(typeof e=="string")return{dom:n.createTextNode(e)};if(e.nodeType!=null)return{dom:e};if(e.dom&&e.dom.nodeType!=null)return e;let i=e[0],s;if(typeof i!="string")throw new RangeError("Invalid array passed to renderSpec");if(r&&(s=Pr(r))&&s.indexOf(e)>-1)throw new RangeError("Using an array from an attribute object as a DOM spec. 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deleted(){return(this.delInfo&Sn)>0}get deletedBefore(){return(this.delInfo&(vn|Ne))>0}get deletedAfter(){return(this.delInfo&(wn|Ne))>0}get deletedAcross(){return(this.delInfo&Ne)>0}}class B{constructor(e,t=!1){if(this.ranges=e,this.inverted=t,!e.length&&B.empty)return B.empty}recover(e){let t=0,r=_t(e);if(!this.inverted)for(let i=0;i<r;i++)t+=this.ranges[i*3+2]-this.ranges[i*3+1];return this.ranges[r*3]+t+Br(e)}mapResult(e,t=1){return this._map(e,t,!1)}map(e,t=1){return this._map(e,t,!0)}_map(e,t,r){let i=0,s=this.inverted?2:1,o=this.inverted?1:2;for(let l=0;l<this.ranges.length;l+=3){let a=this.ranges[l]-(this.inverted?i:0);if(a>e)break;let c=this.ranges[l+s],u=this.ranges[l+o],f=a+c;if(e<=f){let h=c?e==a?-1:e==f?1:t:t,d=a+i+(h<0?0:u);if(r)return d;let m=e==(t<0?a:f)?null:Dr(l/3,e-a),p=e==a?wn:e==f?vn:Ne;return(t<0?e!=a:e!=f)&&(p|=Sn),new rt(d,p,m)}i+=u-c}return r?e+i:new rt(e+i,0,null)}touches(e,t){let r=0,i=_t(t),s=this.inverted?2:1,o=this.inverted?1:2;for(let 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s=this.from;s<this.to;s++){let o=this._maps[s],l=o.mapResult(e,t);if(l.recover!=null){let a=this.getMirror(s);if(a!=null&&a>s&&a<this.to){s=a,e=this._maps[a].recover(l.recover);continue}}i|=l.delInfo,e=l.pos}return r?e:new rt(e,i,null)}}const Ve=Object.create(null);class ${getMap(){return B.empty}merge(e){return null}static fromJSON(e,t){if(!t||!t.stepType)throw new RangeError("Invalid input for Step.fromJSON");let r=Ve[t.stepType];if(!r)throw new RangeError(`No step type ${t.stepType} defined`);return r.fromJSON(e,t)}static jsonID(e,t){if(e in Ve)throw new RangeError("Duplicate use of step JSON ID "+e);return Ve[e]=t,t.prototype.jsonID=e,t}}class N{constructor(e,t){this.doc=e,this.failed=t}static ok(e){return new N(e,null)}static fail(e){return new N(null,e)}static fromReplace(e,t,r,i){try{return N.ok(e.replace(t,r,i))}catch(s){if(s instanceof kr)return N.fail(s.message);throw s}}}function ut(n,e,t){let r=[];for(let i=0;i<n.childCount;i++){let s=n.child(i);s.content.size&&(s=s.copy(ut(s.content,e,s))),s.isInline&&(s=e(s,t,i)),r.push(s)}return v.fromArray(r)}class X extends ${constructor(e,t,r){super(),this.from=e,this.to=t,this.mark=r}apply(e){let t=e.slice(this.from,this.to),r=e.resolve(this.from),i=r.node(r.sharedDepth(this.to)),s=new w(ut(t.content,(o,l)=>!o.isAtom||!l.type.allowsMarkType(this.mark.type)?o:o.mark(this.mark.addToSet(o.marks)),i),t.openStart,t.openEnd);return N.fromReplace(e,this.from,this.to,s)}invert(){return new q(this.from,this.to,this.mark)}map(e){let t=e.mapResult(this.from,1),r=e.mapResult(this.to,-1);return t.deleted&&r.deleted||t.pos>=r.pos?null:new X(t.pos,r.pos,this.mark)}merge(e){return e instanceof X&&e.mark.eq(this.mark)&&this.from<=e.to&&this.to>=e.from?new X(Math.min(this.from,e.from),Math.max(this.to,e.to),this.mark):null}toJSON(){return{stepType:"addMark",mark:this.mark.toJSON(),from:this.from,to:this.to}}static fromJSON(e,t){if(typeof t.from!="number"||typeof t.to!="number")throw new RangeError("Invalid input for AddMarkStep.fromJSON");return new X(t.from,t.to,e.markFromJSON(t.mark))}}$.jsonID("addMark",X);class q extends ${constructor(e,t,r){super(),this.from=e,this.to=t,this.mark=r}apply(e){let t=e.slice(this.from,this.to),r=new w(ut(t.content,i=>i.mark(this.mark.removeFromSet(i.marks)),e),t.openStart,t.openEnd);return N.fromReplace(e,this.from,this.to,r)}invert(){return new X(this.from,this.to,this.mark)}map(e){let t=e.mapResult(this.from,1),r=e.mapResult(this.to,-1);return t.deleted&&r.deleted||t.pos>=r.pos?null:new q(t.pos,r.pos,this.mark)}merge(e){return e instanceof q&&e.mark.eq(this.mark)&&this.from<=e.to&&this.to>=e.from?new q(Math.min(this.from,e.from),Math.max(this.to,e.to),this.mark):null}toJSON(){return{stepType:"removeMark",mark:this.mark.toJSON(),from:this.from,to:this.to}}static fromJSON(e,t){if(typeof t.from!="number"||typeof t.to!="number")throw new RangeError("Invalid input for RemoveMarkStep.fromJSON");return new q(t.from,t.to,e.markFromJSON(t.mark))}}$.jsonID("removeMark",q);class Y extends ${constructor(e,t){super(),this.pos=e,this.mark=t}apply(e){let t=e.nodeAt(this.pos);if(!t)return N.fail("No node at mark step's position");let r=t.type.create(t.attrs,null,this.mark.addToSet(t.marks));return N.fromReplace(e,this.pos,this.pos+1,new w(v.from(r),0,t.isLeaf?0:1))}invert(e){let t=e.nodeAt(this.pos);if(t){let r=this.mark.addToSet(t.marks);if(r.length==t.marks.length){for(let i=0;i<t.marks.length;i++)if(!t.marks[i].isInSet(r))return new Y(this.pos,t.marks[i]);return new Y(this.pos,this.mark)}}return new te(this.pos,this.mark)}map(e){let t=e.mapResult(this.pos,1);return t.deletedAfter?null:new Y(t.pos,this.mark)}toJSON(){return{stepType:"addNodeMark",pos:this.pos,mark:this.mark.toJSON()}}static fromJSON(e,t){if(typeof t.pos!="number")throw new RangeError("Invalid input for AddNodeMarkStep.fromJSON");return new Y(t.pos,e.markFromJSON(t.mark))}}$.jsonID("addNodeMark",Y);class te extends ${constructor(e,t){super(),this.pos=e,this.mark=t}apply(e){let t=e.nodeAt(this.pos);if(!t)return N.fail("No node at mark step's position");let r=t.type.create(t.attrs,null,this.mark.removeFromSet(t.marks));return N.fromReplace(e,this.pos,this.pos+1,new w(v.from(r),0,t.isLeaf?0:1))}invert(e){let t=e.nodeAt(this.pos);return!t||!this.mark.isInSet(t.marks)?this:new Y(this.pos,this.mark)}map(e){let t=e.mapResult(this.pos,1);return t.deletedAfter?null:new te(t.pos,this.mark)}toJSON(){return{stepType:"removeNodeMark",pos:this.pos,mark:this.mark.toJSON()}}static fromJSON(e,t){if(typeof t.pos!="number")throw new RangeError("Invalid input for RemoveNodeMarkStep.fromJSON");return new te(t.pos,e.markFromJSON(t.mark))}}$.jsonID("removeNodeMark",te);class I extends ${constructor(e,t,r,i=!1){super(),this.from=e,this.to=t,this.slice=r,this.structure=i}apply(e){return this.structure&&it(e,this.from,this.to)?N.fail("Structure replace would overwrite 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null}toJSON(){let e={stepType:"replace",from:this.from,to:this.to};return this.slice.size&&(e.slice=this.slice.toJSON()),this.structure&&(e.structure=!0),e}static fromJSON(e,t){if(typeof t.from!="number"||typeof t.to!="number")throw new RangeError("Invalid input for ReplaceStep.fromJSON");return new I(t.from,t.to,w.fromJSON(e,t.slice),!!t.structure)}}$.jsonID("replace",I);class z extends ${constructor(e,t,r,i,s,o,l=!1){super(),this.from=e,this.to=t,this.gapFrom=r,this.gapTo=i,this.slice=s,this.insert=o,this.structure=l}apply(e){if(this.structure&&(it(e,this.from,this.gapFrom)||it(e,this.gapTo,this.to)))return N.fail("Structure gap-replace would overwrite content");let t=e.slice(this.gapFrom,this.gapTo);if(t.openStart||t.openEnd)return N.fail("Gap is not a flat range");let r=this.slice.insertAt(this.insert,t.content);return r?N.fromReplace(e,this.from,this.to,r):N.fail("Content does not fit in gap")}getMap(){return new B([this.from,this.gapFrom-this.from,this.insert,this.gapTo,this.to-this.gapTo,this.slice.size-this.insert])}invert(e){let t=this.gapTo-this.gapFrom;return new z(this.from,this.from+this.slice.size+t,this.from+this.insert,this.from+this.insert+t,e.slice(this.from,this.to).removeBetween(this.gapFrom-this.from,this.gapTo-this.from),this.gapFrom-this.from,this.structure)}map(e){let t=e.mapResult(this.from,1),r=e.mapResult(this.to,-1),i=this.from==this.gapFrom?t.pos:e.map(this.gapFrom,-1),s=this.to==this.gapTo?r.pos:e.map(this.gapTo,1);return t.deletedAcross&&r.deletedAcross||i<t.pos||s>r.pos?null:new z(t.pos,r.pos,i,s,this.slice,this.insert,this.structure)}toJSON(){let e={stepType:"replaceAround",from:this.from,to:this.to,gapFrom:this.gapFrom,gapTo:this.gapTo,insert:this.insert};return this.slice.size&&(e.slice=this.slice.toJSON()),this.structure&&(e.structure=!0),e}static fromJSON(e,t){if(typeof t.from!="number"||typeof t.to!="number"||typeof t.gapFrom!="number"||typeof t.gapTo!="number"||typeof t.insert!="number")throw new RangeError("Invalid input for ReplaceAroundStep.fromJSON");return new z(t.from,t.to,t.gapFrom,t.gapTo,w.fromJSON(e,t.slice),t.insert,!!t.structure)}}$.jsonID("replaceAround",z);function it(n,e,t){let r=n.resolve(e),i=t-e,s=r.depth;for(;i>0&&s>0&&r.indexAfter(s)==r.node(s).childCount;)s--,i--;if(i>0){let o=r.node(s).maybeChild(r.indexAfter(s));for(;i>0;){if(!o||o.isLeaf)return!0;o=o.firstChild,i--}}return!1}function _r(n,e,t,r){let i=[],s=[],o,l;n.doc.nodesBetween(e,t,(a,c,u)=>{if(!a.isInline)return;let f=a.marks;if(!r.isInSet(f)&&u.type.allowsMarkType(r.type)){let h=Math.max(c,e),d=Math.min(c+a.nodeSize,t),m=r.addToSet(f);for(let p=0;p<f.length;p++)f[p].isInSet(m)||(o&&o.to==h&&o.mark.eq(f[p])?o.to=d:i.push(o=new q(h,d,f[p])));l&&l.to==h?l.to=d:s.push(l=new X(h,d,r))}}),i.forEach(a=>n.step(a)),s.forEach(a=>n.step(a))}function Lr(n,e,t,r){let i=[],s=0;n.doc.nodesBetween(e,t,(o,l)=>{if(!o.isInline)return;s++;let a=null;if(r 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p=r&&r[u]||f;if(!f.canReplace(h+1,f.childCount)||!p.type.validContent(d))return!1}let l=i.indexAfter(s),a=r&&r[0];return i.node(s).canReplaceWith(l,l,a?a.type:i.node(s+1).type)}function Kr(n,e,t=1,r){let i=n.doc.resolve(e),s=v.empty,o=v.empty;for(let l=i.depth,a=i.depth-t,c=t-1;l>a;l--,c--){s=v.from(i.node(l).copy(s));let u=r&&r[c];o=v.from(u?u.type.create(u.attrs,o):i.node(l).copy(o))}n.step(new I(e,e,new w(s.append(o),t,t),!0))}function Z(n,e){let t=n.resolve(e),r=t.index();return bn(t.nodeBefore,t.nodeAfter)&&t.parent.canReplace(r,r+1)}function Gr(n,e){e.content.size||n.type.compatibleContent(e.type);let t=n.contentMatchAt(n.childCount),{linebreakReplacement:r}=n.type.schema;for(let i=0;i<e.childCount;i++){let s=e.child(i),o=s.type==r?n.type.schema.nodes.text:s.type;if(t=t.matchType(o),!t||!n.type.allowsMarks(s.marks))return!1}return t.validEnd}function bn(n,e){return!!(n&&e&&!n.isLeaf&&Gr(n,e))}function Pe(n,e,t=-1){let r=n.resolve(e);for(let i=r.depth;;i--){let 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En(n,e,t){return!t.openStart&&!t.openEnd&&n.start()==e.start()&&n.parent.canReplace(n.index(),e.index(),t.content)}class Qr{constructor(e,t,r){this.$from=e,this.$to=t,this.unplaced=r,this.frontier=[],this.placed=v.empty;for(let i=0;i<=e.depth;i++){let s=e.node(i);this.frontier.push({type:s.type,match:s.contentMatchAt(e.indexAfter(i))})}for(let i=e.depth;i>0;i--)this.placed=v.from(e.node(i).copy(this.placed))}get depth(){return this.frontier.length-1}fit(){for(;this.unplaced.size;){let c=this.findFittable();c?this.placeNodes(c):this.openMore()||this.dropNode()}let e=this.mustMoveInline(),t=this.placed.size-this.depth-this.$from.depth,r=this.$from,i=this.close(e<0?this.$to:r.doc.resolve(e));if(!i)return null;let s=this.placed,o=r.depth,l=i.depth;for(;o&&l&&s.childCount==1;)s=s.firstChild.content,o--,l--;let a=new w(s,o,l);return e>-1?new z(r.pos,e,this.$to.pos,this.$to.end(),a,t):a.size||r.pos!=this.$to.pos?new I(r.pos,i.pos,a):null}findFittable(){let e=this.unplaced.openStart;for(let t=this.unplaced.content,r=0,i=this.unplaced.openEnd;r<e;r++){let s=t.firstChild;if(t.childCount>1&&(i=0),s.type.spec.isolating&&i<=r){e=r;break}t=s.content}for(let t=1;t<=2;t++)for(let r=t==1?e:this.unplaced.openStart;r>=0;r--){let i,s=null;r?(s=Je(this.unplaced.content,r-1).firstChild,i=s.content):i=this.unplaced.content;let o=i.firstChild;for(let l=this.depth;l>=0;l--){let{type:a,match:c}=this.frontier[l],u,f=null;if(t==1&&(o?c.matchType(o.type)||(f=c.fillBefore(v.from(o),!1)):s&&a.compatibleContent(s.type)))return{sliceDepth:r,frontierDepth:l,parent:s,inject:f};if(t==2&&o&&(u=c.findWrapping(o.type)))return{sliceDepth:r,frontierDepth:l,parent:s,wrap:u};if(s&&c.matchType(s.type))break}}}openMore(){let{content:e,openStart:t,openEnd:r}=this.unplaced,i=Je(e,t);return!i.childCount||i.firstChild.isLeaf?!1:(this.unplaced=new w(e,t+1,Math.max(r,i.size+t>=e.size-r?t+1:0)),!0)}dropNode(){let{content:e,openStart:t,openEnd:r}=this.unplaced,i=Je(e,t);if(i.childCount<=1&&t>0){let s=e.size-t<=t+i.size;this.unplaced=new w(fe(e,t-1,1),t-1,s?t-1:r)}else this.unplaced=new w(fe(e,t,1),t,r)}placeNodes({sliceDepth:e,frontierDepth:t,parent:r,inject:i,wrap:s}){for(;this.depth>t;)this.closeFrontierNode();if(s)for(let p=0;p<s.length;p++)this.openFrontierNode(s[p]);let o=this.unplaced,l=r?r.content:o.content,a=o.openStart-e,c=0,u=[],{match:f,type:h}=this.frontier[t];if(i){for(let p=0;p<i.childCount;p++)u.push(i.child(p));f=f.matchFragment(i)}let d=l.size+e-(o.content.size-o.openEnd);for(;c<l.childCount;){let p=l.child(c),g=f.matchType(p.type);if(!g)break;c++,(c>1||a==0||p.content.size)&&(f=g,u.push(Mn(p.mark(h.allowedMarks(p.marks)),c==1?a:0,c==l.childCount?d:-1)))}let m=c==l.childCount;m||(d=-1),this.placed=de(this.placed,t,v.from(u)),this.frontier[t].match=f,m&&d<0&&r&&r.type==this.frontier[this.depth].type&&this.frontier.length>1&&this.closeFrontierNode();for(let p=0,g=l;p<d;p++){let y=g.lastChild;this.frontier.push({type:y.type,match:y.contentMatchAt(y.childCount)}),g=y.content}this.unplaced=m?e==0?w.empty:new w(fe(o.content,e-1,1),e-1,d<0?o.openEnd:e-1):new w(fe(o.content,e,c),o.openStart,o.openEnd)}mustMoveInline(){if(!this.$to.parent.isTextblock)return-1;let e=this.frontier[this.depth],t;if(!e.type.isTextblock||!He(this.$to,this.$to.depth,e.type,e.match,!1)||this.$to.depth==this.depth&&(t=this.findCloseLevel(this.$to))&&t.depth==this.depth)return-1;let{depth:r}=this.$to,i=this.$to.after(r);for(;r>1&&i==this.$to.end(--r);)++i;return i}findCloseLevel(e){e:for(let t=Math.min(this.depth,e.depth);t>=0;t--){