medium-proeditor
Version:
A powerful & customizable Medium-style rich text editor
1 lines • 610 kB
JavaScript
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ne(e,t){return(e.matches||e.msMatchesSelector||e.webkitMatchesSelector||e.mozMatchesSelector).call(e,t)}function ie(e){let t={};for(let n in e)t[n]=e[n];return t}function oe(e,t){let n=t.schema.nodes;for(let i in n){let o=n[i];if(!o.allowsMarkType(e))continue;let r=[],s=e=>{r.push(e);for(let n=0;n<e.edgeCount;n++){let{type:i,next:o}=e.edge(n);if(i==t)return!0;if(r.indexOf(o)<0&&s(o))return!0}};if(s(o.contentMatch))return!0}}class re{constructor(e,t){this.nodes=e,this.marks=t}serializeFragment(e,t={},n){n||(n=ae(t).createDocumentFragment());let i=n,o=[];return e.forEach((e=>{if(o.length||e.marks.length){let n=0,r=0;for(;n<o.length&&r<e.marks.length;){let t=e.marks[r];if(this.marks[t.type.name]){if(!t.eq(o[n][0])||!1===t.type.spec.spanning)break;n++,r++}else r++}for(;n<o.length;)i=o.pop()[1];for(;r<e.marks.length;){let n=e.marks[r++],s=this.serializeMark(n,e.isInline,t);s&&(o.push([n,i]),i.appendChild(s.dom),i=s.contentDOM||s.dom)}}i.appendChild(this.serializeNodeInner(e,t))})),n}serializeNodeInner(e,t){let{dom:n,contentDOM:i}=de(ae(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 n}serializeNode(e,t={}){let n=this.serializeNodeInner(e,t);for(let i=e.marks.length-1;i>=0;i--){let o=this.serializeMark(e.marks[i],e.isInline,t);o&&((o.contentDOM||o.dom).appendChild(n),n=o.dom)}return n}serializeMark(e,t,n={}){let i=this.marks[e.type.name];return i&&de(ae(n),i(e,t),null,e.attrs)}static renderSpec(e,t,n=null,i){return de(e,t,n,i)}static fromSchema(e){return e.cached.domSerializer||(e.cached.domSerializer=new re(this.nodesFromSchema(e),this.marksFromSchema(e)))}static nodesFromSchema(e){let t=se(e.nodes);return t.text||(t.text=e=>e.text),t}static marksFromSchema(e){return se(e.marks)}}function se(e){let t={};for(let n in e){let i=e[n].spec.toDOM;i&&(t[n]=i)}return t}function ae(e){return e.document||window.document}const le=new WeakMap;function ce(e){let t=le.get(e);return void 0===t&&le.set(e,t=function(e){let t=null;function n(e){if(e&&"object"==typeof e)if(Array.isArray(e))if("string"==typeof e[0])t||(t=[]),t.push(e);else for(let t=0;t<e.length;t++)n(e[t]);else for(let t in e)n(e[t])}return n(e),t}(e)),t}function de(e,t,n,i){if("string"==typeof t)return{dom:e.createTextNode(t)};if(null!=t.nodeType)return{dom:t};if(t.dom&&null!=t.dom.nodeType)return t;let o,r=t[0];if("string"!=typeof r)throw new RangeError("Invalid array passed to renderSpec");if(i&&(o=ce(i))&&o.indexOf(t)>-1)throw new RangeError("Using an array from an attribute object as a DOM spec. 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be=Object.create(null);class ye{getMap(){return fe.empty}merge(e){return null}static fromJSON(e,t){if(!t||!t.stepType)throw new RangeError("Invalid input for Step.fromJSON");let n=be[t.stepType];if(!n)throw new RangeError(`No step type ${t.stepType} defined`);return n.fromJSON(e,t)}static jsonID(e,t){if(e in be)throw new RangeError("Duplicate use of step JSON ID "+e);return be[e]=t,t.prototype.jsonID=e,t}}class we{constructor(e,t){this.doc=e,this.failed=t}static ok(e){return new we(e,null)}static fail(e){return new we(null,e)}static fromReplace(e,t,n,i){try{return we.ok(e.replace(t,n,i))}catch(e){if(e instanceof c)return we.fail(e.message);throw e}}}function ve(e,t,n){let i=[];for(let o=0;o<e.childCount;o++){let r=e.child(o);r.content.size&&(r=r.copy(ve(r.content,t,r))),r.isInline&&(r=t(r,n,o)),i.push(r)}return o.fromArray(i)}class _e extends ye{constructor(e,t,n){super(),this.from=e,this.to=t,this.mark=n}apply(e){let 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