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r=this.stack[e].pop();if(!r)return;const i=this.quill.getContents(),s=r.delta.invert(i);this.stack[n].push({delta:s,range:_(r.range,s)}),this.lastRecorded=0,this.ignoreChange=!0,this.quill.updateContents(r.delta,t.Ay.sources.USER),this.ignoreChange=!1,this.restoreSelection(r)}clear(){this.stack={undo:[],redo:[]}}cutoff(){this.lastRecorded=0}record(t,e){if(0===t.ops.length)return;this.stack.redo=[];let n=t.invert(e),r=this.currentRange;const i=Date.now();if(this.lastRecorded+this.options.delay>i&&this.stack.undo.length>0){const t=this.stack.undo.pop();t&&(n=n.compose(t.delta),r=t.range)}else this.lastRecorded=i;0!==n.length()&&(this.stack.undo.push({delta:n,range:r}),this.stack.undo.length>this.options.maxStack&&this.stack.undo.shift())}redo(){this.change("redo","undo")}transform(t){E(this.stack.undo,t),E(this.stack.redo,t)}undo(){this.change("undo","redo")}restoreSelection(e){if(e.range)this.quill.setSelection(e.range,t.Ay.sources.USER);else{const n=function(t,e){const 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A.A{constructor(e,n){super(e,n),e.root.addEventListener("beforeinput",(t=>{this.handleBeforeInput(t)})),/Android/i.test(navigator.userAgent)||e.on(t.Ay.events.COMPOSITION_BEFORE_START,(()=>{this.handleCompositionStart()}))}deleteRange(t){(0,x.Xo)({range:t,quill:this.quill})}replaceText(e){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"";if(0===e.length)return!1;if(n){const r=this.quill.getFormat(e.index,1);this.deleteRange(e),this.quill.updateContents((new(h())).retain(e.index).insert(n,r),t.Ay.sources.USER)}else this.deleteRange(e);return this.quill.setSelection(e.index+n.length,0,t.Ay.sources.SILENT),!0}handleBeforeInput(t){if(this.quill.composition.isComposing||t.defaultPrevented||!j.includes(t.inputType))return;const e=t.getTargetRanges?t.getTargetRanges()[0]:null;if(!e||!0===e.collapsed)return;const n=function(t){return"string"==typeof t.data?t.data:t.dataTransfer?.types.includes("text/plain")?t.dataTransfer.getData("text/plain"):null}(t);if(null==n)return;const 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