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o=l.isControlled()?t.value:t.defaultValue;return l.value=o!=null?o:"",l}return e.prototype.validateProps=function(t){var l;if(P.default.Children.count(t.children)>1)throw new Error("The Quill editing area can only be composed of a single React element.");if(P.default.Children.count(t.children)){var o=P.default.Children.only(t.children);if(((l=o)===null||l===void 0?void 0:l.type)==="textarea")throw new Error("Quill does not support editing on a <textarea>. 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See: https://github.com/zenoamaro/react-quill#using-deltas")},e.prototype.shouldComponentUpdate=function(t,l){var o=this,u;if(this.validateProps(t),!this.editor||this.state.generation!==l.generation)return!0;if("value"in t){var r=this.getEditorContents(),i=(u=t.value,u!=null?u:"");this.isEqualValue(i,r)||this.setEditorContents(this.editor,i)}return t.readOnly!==this.props.readOnly&&this.setEditorReadOnly(this.editor,t.readOnly),O(this.cleanProps,this.dirtyProps).some(function(s){return!k.default(t[s],o.props[s])})},e.prototype.shouldComponentRegenerate=function(t){var l=this;return this.dirtyProps.some(function(o){return!k.default(t[o],l.props[o])})},e.prototype.componentDidMount=function(){this.instantiateEditor(),this.setEditorContents(this.editor,this.getEditorContents())},e.prototype.componentWillUnmount=function(){this.destroyEditor()},e.prototype.componentDidUpdate=function(t,l){var o=this;if(this.editor&&this.shouldComponentRegenerate(t)){var u=this.editor.getContents(),r=this.editor.getSelection();this.regenerationSnapshot={delta:u,selection:r},this.setState({generation:this.state.generation+1}),this.destroyEditor()}if(this.state.generation!==l.generation){var i=this.regenerationSnapshot,u=i.delta,s=i.selection;delete this.regenerationSnapshot,this.instantiateEditor();var n=this.editor;n.setContents(u),c(function(){return o.setEditorSelection(n,s)})}},e.prototype.instantiateEditor=function(){this.editor?this.hookEditor(this.editor):this.editor=this.createEditor(this.getEditingArea(),this.getEditorConfig())},e.prototype.destroyEditor=function(){this.editor&&this.unhookEditor(this.editor)},e.prototype.isControlled=function(){return"value"in this.props},e.prototype.getEditorConfig=function(){return{bounds:this.props.bounds,formats:this.props.formats,modules:this.props.modules,placeholder:this.props.placeholder,readOnly:this.props.readOnly,scrollingContainer:this.props.scrollingContainer,tabIndex:this.props.tabIndex,theme:this.props.theme}},e.prototype.getEditor=function(){if(!this.editor)throw new Error("Accessing non-instantiated editor");return this.editor},e.prototype.createEditor=function(t,l){var o=new g.default(t,l);return l.tabIndex!=null&&this.setEditorTabIndex(o,l.tabIndex),this.hookEditor(o),o},e.prototype.hookEditor=function(t){this.unprivilegedEditor=this.makeUnprivilegedEditor(t),t.on("editor-change",this.onEditorChange)},e.prototype.unhookEditor=function(t){t.off("editor-change",this.onEditorChange)},e.prototype.getEditorContents=function(){return this.value},e.prototype.getEditorSelection=function(){return this.selection},e.prototype.isDelta=function(t){return t&&t.ops},e.prototype.isEqualValue=function(t,l){return this.isDelta(t)&&this.isDelta(l)?k.default(t.ops,l.ops):k.default(t,l)},e.prototype.setEditorContents=function(t,l){var o=this;this.value=l;var u=this.getEditorSelection();typeof l=="string"?t.setContents(t.clipboard.convert(l)):t.setContents(l),c(function(){return o.setEditorSelection(t,u)})},e.prototype.setEditorSelection=function(t,l){if(this.selection=l,l){var o=t.getLength();l.index=Math.max(0,Math.min(l.index,o-1)),l.length=Math.max(0,Math.min(l.length,o-1-l.index)),t.setSelection(l)}},e.prototype.setEditorTabIndex=function(t,l){var o,u;!((u=(o=t)===null||o===void 0?void 0:o.scroll)===null||u===void 0)&&u.domNode&&(t.scroll.domNode.tabIndex=l)},e.prototype.setEditorReadOnly=function(t,l){l?t.disable():t.enable()},e.prototype.makeUnprivilegedEditor=function(t){var l=t;return{getHTML:function(){return l.root.innerHTML},getLength:l.getLength.bind(l),getText:l.getText.bind(l),getContents:l.getContents.bind(l),getSelection:l.getSelection.bind(l),getBounds:l.getBounds.bind(l)}},e.prototype.getEditingArea=function(){if(!this.editingArea)throw new Error("Instantiating on missing editing area");var t=T.default.findDOMNode(this.editingArea);if(!t)throw new Error("Cannot find element for editing area");if(t.nodeType===3)throw new Error("Editing area cannot be a text node");return t},e.prototype.renderEditingArea=function(){var t=this,l=this.props,o=l.children,u=l.preserveWhitespace,r=this.state.generation,i={key:r,ref:function(s){t.editingArea=s}};return P.default.Children.count(o)?P.default.cloneElement(P.default.Children.only(o),i):u?P.default.createElement("pre",j({},i)):P.default.createElement("div",j({},i))},e.prototype.render=function(){var t;return P.default.createElement("div",{id:this.props.id,style:this.props.style,key:this.state.generation,className:"quill 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Quill",e.Quill=g.default,e.defaultProps={theme:"snow",modules:{},readOnly:!1},e}(P.default.Component);function c(a){Promise.resolve().then(a)}dt.exports=y}}]);