medium-proeditor/dist/umd/features/codeBlock.min.js

A powerful & customizable Medium-style rich text editor

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F(t.pos,this.mark)}toJSON(){return{stepType:"addNodeMark",pos:this.pos,mark:this.mark.toJSON()}}static fromJSON(e,t){if("number"!=typeof t.pos)throw new RangeError("Invalid input for AddNodeMarkStep.fromJSON");return new F(t.pos,e.markFromJSON(t.mark))}}I.jsonID("addNodeMark",F);class P extends I{constructor(e,t){super(),this.pos=e,this.mark=t}apply(e){let t=e.nodeAt(this.pos);if(!t)return L.fail("No node at mark step's position");let n=t.type.create(t.attrs,null,this.mark.removeFromSet(t.marks));return L.fromReplace(e,this.pos,this.pos+1,new c(i.from(n),0,t.isLeaf?0:1))}invert(e){let t=e.nodeAt(this.pos);return t&&this.mark.isInSet(t.marks)?new F(this.pos,this.mark):this}map(e){let t=e.mapResult(this.pos,1);return t.deletedAfter?null:new P(t.pos,this.mark)}toJSON(){return{stepType:"removeNodeMark",pos:this.pos,mark:this.mark.toJSON()}}static fromJSON(e,t){if("number"!=typeof t.pos)throw new RangeError("Invalid input for RemoveNodeMarkStep.fromJSON");return new P(t.pos,e.markFromJSON(t.mark))}}I.jsonID("removeNodeMark",P);class j extends I{constructor(e,t,n,i=!1){super(),this.from=e,this.to=t,this.slice=n,this.structure=i}apply(e){return this.structure&&K(e,this.from,this.to)?L.fail("Structure replace would overwrite content"):L.fromReplace(e,this.from,this.to,this.slice)}getMap(){return new R([this.from,this.to-this.from,this.slice.size])}invert(e){return new j(this.from,this.from+this.slice.size,e.slice(this.from,this.to))}map(e){let t=e.mapResult(this.from,1),n=e.mapResult(this.to,-1);return t.deletedAcross&&n.deletedAcross?null:new j(t.pos,Math.max(t.pos,n.pos),this.slice)}merge(e){if(!(e instanceof j)||e.structure||this.structure)return null;if(this.from+this.slice.size!=e.from||this.slice.openEnd||e.slice.openStart){if(e.to!=this.from||this.slice.openStart||e.slice.openEnd)return null;{let t=this.slice.size+e.slice.size==0?c.empty:new c(e.slice.content.append(this.slice.content),e.slice.openStart,this.slice.openEnd);return new j(e.from,this.to,t,this.structure)}}{let t=this.slice.size+e.slice.size==0?c.empty:new c(this.slice.content.append(e.slice.content),this.slice.openStart,e.slice.openEnd);return new j(this.from,this.to+(e.to-e.from),t,this.structure)}}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("number"!=typeof t.from||"number"!=typeof t.to)throw new RangeError("Invalid input for ReplaceStep.fromJSON");return new j(t.from,t.to,c.fromJSON(e,t.slice),!!t.structure)}}I.jsonID("replace",j);class U extends I{constructor(e,t,n,i,r,o,a=!1){super(),this.from=e,this.to=t,this.gapFrom=n,this.gapTo=i,this.slice=r,this.insert=o,this.structure=a}apply(e){if(this.structure&&(K(e,this.from,this.gapFrom)||K(e,this.gapTo,this.to)))return L.fail("Structure gap-replace would overwrite content");let t=e.slice(this.gapFrom,this.gapTo);if(t.openStart||t.openEnd)return L.fail("Gap is not a flat 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this.slice.size&&(e.slice=this.slice.toJSON()),this.structure&&(e.structure=!0),e}static fromJSON(e,t){if("number"!=typeof t.from||"number"!=typeof t.to||"number"!=typeof t.gapFrom||"number"!=typeof t.gapTo||"number"!=typeof t.insert)throw new RangeError("Invalid input for ReplaceAroundStep.fromJSON");return new U(t.from,t.to,t.gapFrom,t.gapTo,c.fromJSON(e,t.slice),t.insert,!!t.structure)}}function K(e,t,n){let i=e.resolve(t),r=n-t,o=i.depth;for(;r>0&&o>0&&i.indexAfter(o)==i.node(o).childCount;)o--,r--;if(r>0){let e=i.node(o).maybeChild(i.indexAfter(o));for(;r>0;){if(!e||e.isLeaf)return!0;e=e.firstChild,r--}}return!1}I.jsonID("replaceAround",U);class q extends I{constructor(e,t,n){super(),this.pos=e,this.attr=t,this.value=n}apply(e){let t=e.nodeAt(this.pos);if(!t)return L.fail("No node at attribute step's position");let n=Object.create(null);for(let e in t.attrs)n[e]=t.attrs[e];n[this.attr]=this.value;let r=t.type.create(n,null,t.marks);return L.fromReplace(e,this.pos,this.pos+1,new c(i.from(r),0,t.isLeaf?0:1))}getMap(){return R.empty}invert(e){return new q(this.pos,this.attr,e.nodeAt(this.pos).attrs[this.attr])}map(e){let t=e.mapResult(this.pos,1);return t.deletedAfter?null:new q(t.pos,this.attr,this.value)}toJSON(){return{stepType:"attr",pos:this.pos,attr:this.attr,value:this.value}}static fromJSON(e,t){if("number"!=typeof t.pos||"string"!=typeof t.attr)throw new RangeError("Invalid input for AttrStep.fromJSON");return new q(t.pos,t.attr,t.value)}}I.jsonID("attr",q);class H extends I{constructor(e,t){super(),this.attr=e,this.value=t}apply(e){let t=Object.create(null);for(let n in e.attrs)t[n]=e.attrs[n];t[this.attr]=this.value;let n=e.type.create(t,e.content,e.marks);return L.ok(n)}getMap(){return R.empty}invert(e){return new H(this.attr,e.attrs[this.attr])}map(e){return this}toJSON(){return{stepType:"docAttr",attr:this.attr,value:this.value}}static fromJSON(e,t){if("string"!=typeof t.attr)throw new RangeError("Invalid input for DocAttrStep.fromJSON");return new H(t.attr,t.value)}}I.jsonID("docAttr",H);let G=class extends Error{};G=function e(t){let n=Error.call(this,t);return n.__proto__=e.prototype,n},(G.prototype=Object.create(Error.prototype)).constructor=G,G.prototype.name="TransformError";const Z=Object.create(null);class W{constructor(e,t,n){this.$anchor=e,this.$head=t,this.ranges=n||[new J(e.min(t),e.max(t))]}get anchor(){return this.$anchor.pos}get head(){return this.$head.pos}get from(){return this.$from.pos}get to(){return this.$to.pos}get $from(){return this.ranges[0].$from}get $to(){return this.ranges[0].$to}get empty(){let e=this.ranges;for(let t=0;t<e.length;t++)if(e[t].$from.pos!=e[t].$to.pos)return!1;return!0}content(){return this.$from.doc.slice(this.from,this.to,!0)}replace(e,t=c.empty){let n=t.content.lastChild,i=null;for(let e=0;e<t.openEnd;e++)i=n,n=n.lastChild;let r=e.steps.length,o=this.ranges;for(let a=0;a<o.length;a++){let{$from:s,$to:l}=o[a],d=e.mapping.slice(r);e.replaceRange(d.map(s.pos),d.map(l.pos),a?c.empty:t),0==a&&oe(e,r,(n?n.isInline:i&&i.isTextblock)?-1:1)}}replaceWith(e,t){let n=e.steps.length,i=this.ranges;for(let r=0;r<i.length;r++){let{$from:o,$to:a}=i[r],s=e.mapping.slice(n),l=s.map(o.pos),c=s.map(a.pos);r?e.deleteRange(l,c):(e.replaceRangeWith(l,c,t),oe(e,n,t.isInline?-1:1))}}static findFrom(e,t,n=!1){let i=e.parent.inlineContent?new Q(e):re(e.node(0),e.parent,e.pos,e.index(),t,n);if(i)return i;for(let i=e.depth-1;i>=0;i--){let r=t<0?re(e.node(0),e.node(i),e.before(i+1),e.index(i),t,n):re(e.node(0),e.node(i),e.after(i+1),e.index(i)+1,t,n);if(r)return r}return null}static near(e,t=1){return this.findFrom(e,t)||this.findFrom(e,-t)||new ne(e.node(0))}static atStart(e){return re(e,e,0,0,1)||new ne(e)}static atEnd(e){return re(e,e,e.content.size,e.childCount,-1)||new ne(e)}static fromJSON(e,t){if(!t||!t.type)throw new RangeError("Invalid input for 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W{constructor(e){super(e.resolve(0),e.resolve(e.content.size))}replace(e,t=c.empty){if(t==c.empty){e.delete(0,e.doc.content.size);let t=W.atStart(e.doc);t.eq(e.selection)||e.setSelection(t)}else super.replace(e,t)}toJSON(){return{type:"all"}}static fromJSON(e){return new ne(e)}map(e){return new ne(e)}eq(e){return e instanceof ne}getBookmark(){return ie}}W.jsonID("all",ne);const ie={map(){return this},resolve:e=>new ne(e)};function re(e,t,n,i,r,o=!1){if(t.inlineContent)return Q.create(e,n);for(let a=i-(r>0?0:1);r>0?a<t.childCount:a>=0;a+=r){let i=t.child(a);if(i.isAtom){if(!o&&ee.isSelectable(i))return ee.create(e,n-(r<0?i.nodeSize:0))}else{let t=re(e,i,n+r,r<0?i.childCount:0,r,o);if(t)return t}n+=i.nodeSize*r}return null}function oe(e,t,n){let i=e.steps.length-1;if(i<t)return;let r,o=e.steps[i];(o instanceof j||o instanceof U)&&(e.mapping.maps[i].forEach(((e,t,n,i)=>{null==r&&(r=i)})),e.setSelection(W.near(e.doc.resolve(r),n)))}function ae(e,t){return t&&e?e.bind(t):e}class 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