terminal.js/dist/terminal.min.js

terminal emulation library for javascript.

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a=this.state.rows-this.state.getBufferRowCount(),b=e.repeat("<br />",a)+"<div style='line-height:0'>"+e.repeat("&nbsp;",this.state.columns)+"</div>";this.spacer.innerHTML=b,this.spacer.lineHeight=0===a?"0":"inherit"},d.canHandle=function(a){return null!==a&&"object"==typeof a&&"ownerDocument"in a}},{"../util":24,"./html.js":15,"./live_base.js":16,util:59}],15:[function(a,b,c){"use strict";function d(a,b){d.super_.apply(this,arguments)}var e=a("../util");(0,a("util").inherits)(d,a("./base")),b.exports=d,d.prototype._defOpts={cssClass:!1,cursorBg:"#00ff00",cursorFg:"#ffffff"},d.prototype.colors=["#2e3436","#cc0000","#4e9a06","#c4a000","#3465a4","#75507b","#06989a","#d3d7cf","#555753","#ef2929","#8ae234","#fce94f","#729fcf","#ad7fa8","#34e2e2","#eeeeec"],d.prototype.colors=function(){function a(a){return a=a.toString(16),a.length<2?"0"+a:a}function b(b,c,d){e.push("#"+a(b)+a(c)+a(d))}var 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d=b||"",e=Object.keys(a),f=0;f<e.length;f++)!0===a[e[f]]?d+=" "+e[f]:!1!==a[e[f]]&&null!==a[e[f]]&&(d+=" "+e[f]+"_"+a[e[f]]);return"class='"+d+"'"}var g=this._mkCssProperties(a);switch(b){case"cursor":g+="background:"+this._opts.cursorBg+";",g+="color:"+this._opts.cursorFg+";";break;case"line":g+="overflow:hidden;white-space:nowrap;"}return""===g?"":(c&&c.setAttribute("style",g),"style='"+g+"'")},d.prototype._renderLine=function(a,b){var c,d,f,g,h,i="",j=a.str;if(null!==a.attr[j.length].bg?j+=e.repeat(" ",this.state.columns-j.length):void 0!==b&&b<this.state.columns&&(j+=e.repeat(" ",b+1-j.length)),0===j.length)return"<br />";for(c=0;c<j.length;){if("",d=c++,d in a.attr&&(f=a.attr[d]),b!==d)for(;c<j.length&&!(c in a.attr)&&b!==c;)c++;g=this._mkAttr(f,this.state.getMode("cursor")&&b===d?"cursor":void 0),h=this.escapeHtml(j.substring(d,c)),i+=""!==g?"<span "+g+">"+h+"</span>":h}return"<div "+this._mkAttr(a.attr,"line")+">"+i+"</div>"},d.prototype.toString=function(){var a,b="";for(a=0;a<this.state.rows;a++){var c=this.state.getLine(a);b+="<div style='overflow:hidden'>"+this._renderLine(c)+"</div>"}return b+"<div style='line-height:0;visibility:hidden;'>"+this._genColumnsString()+"</div>"},d.prototype._genColumnsString=function(){return e.repeat("&nbsp;",this.state.columns)},d.canHandle=function(a){return"html"===a}},{"../util":24,"./base":13,util:59}],16:[function(a,b,c){"use strict";function d(a,b,c,e){d.super_.apply(this,arguments);this.target=c,this.writer=b,this._views=[],this._oldViews=[],this._cursorView=null,this._cursorDrawnAt=null,this._timeout=null,this._queue=[];var f=this;a.on("lineremove",function(){f._removeLine.apply(f,arguments)}),a.on("linechange",function(){f._changeLine.apply(f,arguments)}),a.on("lineinsert",function(){f._insertLine.apply(f,arguments)}),a.on("ledchange",function(){f._changeLed.apply(f,arguments)}),a.on("cursormove",function(){f._setCursor.apply(f,arguments)}),a.on("resize",function(){f._resize.apply(f,arguments)}),a.on("bell",function(){f._bell.apply(f,arguments)}),b.on("ready",function(){f._checkCommit()})}var e=a("util").inherits,f=function(){};e(d,a("./base")),b.exports=d,d.prototype._schedule=function(a,b){var c;for(c=0;c<this._queue.length;c++)if(this._queue[c].view===a)return void(this._queue[c].cb=b);this._queue.unshift({view:a,cb:b})},d.prototype._flush=function(a){var b;for(b=0;b<this._queue.length;b++)this._queue[b].cb.call(this,this._queue[b].view);this._queue=[]},d.prototype._updateCursor=function(a,b){if(this._opts.adhesiveCursor&&null!==this._cursorDrawnAt)switch(a){case"insert":b<=this._cursorDrawnAt&&(this._cursorDrawnAt=Math.min(this._cursorDrawnAt+1,this.state.rows-1));break;case"remove":b<this._cursorDrawnAt?this._cursorDrawnAt--:b===this._cursorDrawnAt&&(this._cursorDrawnAt=null)}},d.prototype._removeLine=function(a){var b=this._views.splice(a,1)[0],c=this.removeLine(a,b.view);c&&(b.view=c,this._oldViews.push(b)),this._updateCursor("remove",a)},d.prototype._changeLine=function(a,b,c){this.state.getMode("cursor")||(c=void 0),this._schedule(this._views[a],function(d){var e=this.changeLine(a,d.view,b,c);void 0!==e&&(d.view=e),void 0!==c&&(this._cursorDrawnAt=a)})},d.prototype._insertLine=function(a,b,c){var d=this._oldViews.shift()||{view:this.createView()},e=this.insertLine(a,d.view,b,c);void 0!==e&&(d.view=e),this._views.splice(a,0,d),this._updateCursor("insert",a)},d.prototype._changeLed=function(){this.changeLed.apply(this,arguments)},d.prototype._setCursor=function(a,b){this._cursorView=this.setCursor(a,b)},d.prototype._resize=function(a){this._flush(),this.resize(a)},d.prototype._checkCommit=function(){var a=this,b=arguments;if(!this._opts.renderInterval)return this._commit.apply(this,b);null===this._timeout&&(this._timeout=setTimeout(function(){a._commit.apply(a,b),a._timeout=null},this._opts._renderInterval))},d.prototype._commit=function(){var a=this.state.cursor;a.y!==this._cursorDrawnAt&&null!==this._cursorDrawnAt&&this._changeLine(this._cursorDrawnAt,this.state.getLine(this._cursorDrawnAt)),a.y<this._views.length&&this._changeLine(a.y,this.state.getLine(a.y),a.x),this._flush(),this.commit.apply(this,arguments)},d.prototype._bell=function(){this.bell.apply(this,arguments)},d.prototype.createView=d.prototype.removeLine=d.prototype.changeLine=d.prototype.insertLine=d.prototype.changeLed=d.prototype.setCursor=d.prototype.resize=d.prototype.bell=d.prototype.commit=f},{"./base":13,util:59}],17:[function(a,b,c){"use strict";function d(a,b){d.super_.apply(this,arguments)}var e=a("util").inherits,f=a("../util");e(d,a("./base.js")),b.exports=d,d.prototype.toString=function(){var a="",b=this._opts.locateCursor;b&&(a+=f.repeat(" ",this.state.cursor.x+1)+"v\n");for(var c=0;c<this.state.rows;c++){var d=this.state.getLine(c);b&&(a+=c===this.state.cursor.y?">":" "),a+=d.str+"\n"}return b&&(a+=f.repeat(" ",this.state.cursor.x+1)+"^\n"),a},d.canHandle=function(a){return"plain"===a}},{"../util":24,"./base.js":13,util:59}],18:[function(a,b,c){"use strict";function d(a,b,c,e){this.ansi=new f(a,e),c.stdout&&(c=c.stdout),c.write("[?25l"),d.super_.call(this,a,b,c,e),this._opts.adhesiveCursor=!0}var e=(a("../util"),a("util").inherits),f=a("./ansi.js");e(d,a("./live_base.js")),b.exports=d,d.prototype.removeLine=function(a,b){return this.target.write("["+(a+1)+";1H"),null},d.prototype.changeLine=function(a,b,c,d){return this.target.write("["+(a+1)+";1H"+this.ansi._renderLine(c,d)),null},d.prototype.insertLine=function(a,b,c,d){return this.target.write("["+(a+1)+";1H"),this.changeLine.apply(this,arguments),null},d.prototype.changeLed=function(a,b,c,d){},d.prototype.setCursor=function(a,b){},d.prototype.resize=function(a){},d.prototype.commit=function(){},d.canHandle=function(a){return a.stdout&&(a=a.stdout),"object"==typeof a&&"read"in a&&"on"in a&&a.isTTY}},{"../util":24,"./ansi.js":12,"./live_base.js":16,util:59}],19:[function(a,b,c){"use strict";function d(a,b){var c=arguments[Math.max(1,arguments.length-1)];this.writer=a,this.source=b,this._opts=e.extend({},this._defOpts,c)}var e=a("../util.js");b.exports=d},{"../util.js":24}],20:[function(a,b,c){"use strict";function d(a){return function(){return"function"==typeof this.source[a]?this.source[a].apply(this.source,arguments):(Array.prototype.unshift.call(arguments,a),this.source.emit.apply(this.source,arguments))}}function e(a,b,c){e.super_.apply(this,arguments),this._register()}a("../util");(0,a("util").inherits)(e,a("./base")),b.exports=e,e.prototype._register=function(){var a=this.writer;this.source.on("data",function(b){a.write(b)}).on("exit",function(){a.end()})},e.prototype.write=d("write"),e.prototype.end=d("end"),e.prototype._resize=d("resize"),e.prototype.kill=d("kill"),e.prototype.resize=function(a){return this._resize(a)},e.canHandle=function(a){return a&&"function"==typeof a.addListener&&"function"==typeof a.on}},{"../util":24,"./base":19,util:59}],21:[function(a,b,c){"use strict";function d(a,b){var c,d={};if(b instanceof Array)for(c=0;c<b.length||c<a.length;c++)b[c]!==a[c]&&(d[c]=b[c]);else for(c in b)b[c]!==a[c]&&(d[c]=b[c]);return d}function e(a,b){var c,d,e,f;for(c=Object.keys(a),e=0;e<c.length;e++){if(!b[c[e]])return!1;for(d=Object.keys(a[c[e]]),f=0;f<d.length;f++)if(a[c[e]][d[f]]!==b[c[e]][d[f]])return!1}return!0}function f(a,b){if(this._changes=[],this._cursor=null,this._scrollRegion=null,this._savedCursor=null,this._modes=null,this._leds=null,this._size=null,this._tabs=null,this._columns=null,this._rows=null,"object"==typeof a&&a.getLine)this.oldState=a,this.newState=b,this._mkDiff(a,b),this._mkCursor(a,b),this._mkScrollRegion(a,b),this._mkModes(a,b),this._mkLeds(a,b),this._mkSize(a,b),this._mkTabs(a,b);else if("string"==typeof a){var c=JSON.parse(a);this._loadJson(c)}else this._loadJson(a)}var g=a("./util.js");b.exports=f,f.prototype._mkCursor=function(a,b){a.cursor.x===b.cursor.x&&a.cursor.y===b.cursor.y||(this._cursor=g.extend({},b.cursor)),a._savedCursor.x===b._savedCursor.x&&a._savedCursor.y===b._savedCursor.y||(this._savedCursor=g.extend({},b._savedCursor))},f.prototype._mkScrollRegion=function(a,b){this._scrollRegion=b._scrollRegion.slice()},f.prototype._mkModes=function(a,b){this._modes=d(a._modes,b._modes)},f.prototype._mkLeds=function(a,b){this._leds=d(a._leds,b._leds)},f.prototype._mkSize=function(a,b){a.columns===b.columns&&a.rows===b.rows||(this._rows=b.rows,this._columns=b.columns)},f.prototype._mkTabs=function(a,b){this._tabs=b._tabs.slice()},f.prototype._getChange=function(a){for(var b={l:a},c=this._changes.length-1;c>=0;c--){if(this._changes[c].l===a)return this._changes[c];if(this._changes[c].l<a)return this._changes.splice(c+1,0,b),b}return this._changes.unshift(b),b},f.prototype._cmpLines=function(a,b){return a===b||void 0!==a&&void 0!==b&&(a.str===b.str&&(e(a.attr,b.attr)&&e(b.attr,a.attr)))},f.prototype._mkDiff=function(a,b){var c,d,e,f,g,h,i=Math.max(1,a.getBufferRowCount()),j=Math.max(1,b.getBufferRowCount()),k=-i,l=-1+k,m=new Array(i*j),n=m.slice(0);for(c=0;c<m.length;c++){d=c%i,e=~~(c/i);this._cmpLines(a.getLine(d),b.getLine(e))?n[c]=l:m[c+-1]<=m[c+k]?n[c]=k:n[c]=-1,m[c]=~~(l===n[c])+~~(0===d?0:m[c+n[c]])}for(e=j-1,d=i-1,c=m.length-1;c>=0;d--,e--,c+=n[c]){for(;!isNaN(c)&&n[c]!==l;c+=n[c]);for(g=c%i,h=~~(c/i),isNaN(c)&&(g=h=-1);e>h;d=Math.max(d-1,g),e--)this._getChange(e)[d>g?".":"+"]=b.getLine(e);for(;d>g;d--)f=this._getChange(h+1),f["-"]=(f["-"]||0)+1;0!==d||n[c]!==l&&-1!==n[c]||(n[c]=k)}},f.prototype.toJSON=function(){return{changes:this._changes,cursor:this._cursor,savedCursor:this._savedCursor,leds:this._leds,modes:this._modes,size:this._size,tabs:this._tabs,scrollRegion:this._scrollRegion}},f.prototype.toString=function(){var a,b,c=[],d=0,e=this._changes[0]?this._changes[0].l:0;for(a=0;a<this._changes.length;a++,d++,e++){for(;d<this._changes[a].l;d++,e++)c.push(" "+this.newState.getLine(d).str);for(b=0;b<this._changes[a]["-"];b++)c.push("-"+this.oldState.getLine(e).str);this._changes[a]["+"]&&(c.push("+"+this._changes[a]["+"].str),e--),this._changes[a]["."]&&c.push("."+this._changes[a]["."].str)}return c.join("\n")},f.prototype._loadJson=function(a){this._cursor=a.cursor,this._savedCursor=a.savedCursor,this._scrollRegion=a.scrollRegion,this._modes=a.modes,this._leds=a.leds,this._rows=a.rows,this._columns=a.columns,this._changes=a.changes,this._tabs=a.tabs},f.prototype.apply=function(a){(this._columns||this._rows)&&this._applySize(a),this._cursor&&this._applyCursor(a),this._scrollRegion&&this._applyScrollRegion(a),this._leds&&this._applyLeds(a),this._tabs&&this._applyTabs(a),this._savedCursor&&this._applySavedCursor(a),this._modes&&this._applyModes(a),this._changes&&this._applyChanges(a)},f.prototype._applySize=function(a){a.resize({columns:this._columns,rows:this._rows})},f.prototype._applyCursor=function(a){a.setCursor(this._cursor.x,this._cursor.y)},f.prototype._applyScrollRegion=function(a){a.setScrollRegion(this._scrollRegion[0],this._scrollRegion[1])},f.prototype._applyLeds=function(a){for(var b in this._leds)a.setLed(b,this._leds[b])},f.prototype._applySavedCursor=function(a){a._savedCursor.x=this._savedCursor.x,a._savedCursor.y=this._savedCursor.y},f.prototype._applyTabs=function(a){a.tabs=this._tabs.slice()},f.prototype._applyModes=function(a){for(var b in this._modes)a.setMode(b,this._modes[b])},f.prototype._applyChanges=function(a){for(var b=0;b<this._changes.length;b++){var c=this._changes[b];c["-"]&&a._removeLine(c.l,c["-"]),c["+"]?a._insertLine(c.l,c["+"]):c["."]&&a.setLine(c.l,c["."])}}},{"./util.js":24}],22:[function(a,b,c){"use strict";function d(a){return function(b,c){!0===this["_"+a+"sUsed"]&&(this["_"+a+"s"]=f.extend({},this["_"+a+"s"]),this["_"+a+"sUsed"]=!1);var d=this["_"+a+"s"];if(!(b in d))throw new Error("Unknown "+a+" `"+b+"`");this.emit(a+"change",b,c,d[b]),d[b]=c}}function e(a){e.super_.call(this,{decodeStrings:!1}),a=f.extend({attributes:{}},a),this._defaultAttr=f.extend({fg:null,bg:null,bold:!1,underline:!1,italic:!1,blink:!1,inverse:!1},a.attributes),this._attributesUsed=!0,this.rows=~~a.rows||24,this.columns=~~a.columns||80,this.on("newListener",this._newListener).on("removeListener",this._removeListener).on("pipe",this._pipe),this.reset()}var f=a("./util.js"),g=a("util").inherits,h=f.getWidth,i=f.indexOfWidth,j=f.substrWidth,k={"`":"◆",a:"▒",b:"␉",c:"␌",d:"␍",e:"␊",f:"°",g:"±",h:"␤",i:"␋",j:"┘",k:"┐",l:"┌",m:"└",n:"┼",o:"⎺",p:"⎻",q:"─",r:"⎼",s:"⎽",t:"├",u:"┤",v:"┴",w:"┬",x:"│",y:"≤",z:"≥","{":"π","|":"≠","}":"£","~":"·"};g(e,a("stream").Writable),b.exports=e,e.prototype._pipe=function(a){var b=a.emit.bind(a,"resize");this.on("resize",b).on("unpipe",function(a){a.removeListener("resize",b)})},e.prototype._newListener=function(a,b){var c;switch(a){case"lineinsert":for(c=0;c<this.getBufferRowCount();c++)b.call(this,c,this.getLine(c));break;case"resize":b.call(this,{columns:this.columns,rows:this.rows});break;case"cursormove":b.call(this,this.cursor.x,this.cursor.y)}},e.prototype._removeListener=function(a,b){var c;if("lineremove"===a)for(c=0;c<this.getBufferRowCount();c++)b.call(this,0,this.getLine(c))},e.prototype.reset=function(){this._buffer&&this._removeLine(0,this.getBufferRowCount()),this._buffer=this._defBuffer={str:[],attr:[]},this._altBuffer={str:[],attr:[]},this._scrollback={str:[],attr:[]},this._modes={cursor:!0,cursorBlink:!1,appKeypad:!1,wrap:!0,insert:!1,crlf:!1,mousebtn:!1,mousemtn:!1,mousesgr:!1,reverse:!1,graphic:!1,stringWidth:"length"},this._charsets={G0:"unicode",G1:"unicode",G2:"unicode",G3:"unicode"},this._mappedCharset="G0",
this._mappedCharsetNext="G0",this._metas={title:"",icon:""},this.resetAttribute(),this.cursor={x:0,y:0},this._savedCursor={x:0,y:0},this._scrollRegion=[0,this.rows-1],this.resetLeds(),this._tabs=[]},e.prototype._createLine=function(a){if(void 0===a||"object"!=typeof a)a=a?a.toString():"",a={str:a,attr:{0:this._defaultAttr}};else if(!a||"string"!=typeof a.str||"object"!=typeof a.attr)throw new Error("line objects must contain attr and str"+a);for(var b in a.attr)isNaN(b)||(b>a.str.length||void 0===a.attr[b])&&delete a.attr[b];return a},e.prototype._write=function(a,b,c){var d,e,f,g=a.split("\n"),k=this._modes.stringWidth,l=!1,m=this.cursor;for(d=0;d<g.length;d++)l=!1,h(k,g[d])>this.columns-m.x&&(this._modes.wrap?(e=i(k,g[d],this.columns-m.x),g.splice(d,1,j(k,g[d],0,this.columns-m.x),g[d].substr(e)),l=!0):(f=g[d].substr(-1),m.x>=this.columns&&(m.x=this.columns-h(k,f)),g[d]=j(k,g[d],0,this.columns-m.x-h(k,f))+f)),this._lineInject(g[d],l),d+1!==g.length&&(m.y++,(this._modes.crlf||l)&&(m.x=0),m.y>this._scrollRegion[1]&&(m.y--,this._removeLine(this._scrollRegion[0]),this._insertLine(this._scrollRegion[1])));return this.setCursor(),c()},e.prototype.mapCharset=function(a,b){this._mappedCharset=a,b||(this._mappedCharsetNext=a),this._modes.graphic="graphics"===this._charsets[this._mappedCharset]},e.prototype.selectCharset=function(a,b){b||(b=this._mappedCharset),this._charsets[b]=a,this._modes.graphic="graphics"===this._charsets[this._mappedCharset]},e.prototype._graphConvert=function(a){if(this._mappedCharset===this._mappedCharsetNext&&!this._modes.graphic)return a;var b,c="";for(b=0;b<a.length;b++)c+=this._modes.graphic&&a[b]in k?k[a[b]]:a[b],this._mappedCharset=this._mappedCharsetNext,this._modes.graphic="graphics"===this._charsets[this._mappedCharset];return c},e.prototype._lineInject=function(a,b){var c,d=this.cursor,e=this.getLine(),g=this._modes.stringWidth;this._modes.insert?(c=new Array(a.length),c.unshift(e.attr,e.str.length+1,d.x,0),f.objSplice.apply(0,c),e.str=j(g,e.str,0,d.x)+f.repeat(" ",d.x-h(g,e.str))+this._graphConvert(a)+j(g,e.str,d.x),e.str=j(g,e.str,0,this.columns)):e.str=j(g,e.str,0,d.x)+f.repeat(" ",d.x-h(g,e.str))+this._graphConvert(a)+j(g,e.str,d.x+h(g,a)),this._applyAttributes(e,d.x,a.length),b&&(e.attr.wrapped=!0),this.setLine(d.y,e),d.x+=h(g,a)},e.prototype.removeChar=function(a){var b=this.cursor,c=this.getLine(b.y),d=c.attr[c.str.length];f.objSplice(c.attr,c.str.length+1,b.x,a),c.str=c.str.substr(0,b.x)+c.str.substr(b.x+a),c.attr[c.str.length]=d,this.setLine(b.y,c)},e.prototype.insertBlank=function(a){var b=this.cursor,c=this.getLine(b.y),d=c.attr[c.str.length];f.objSplice(c.attr,c.str.length+1,b.x,0,new Array(a)),f.objSplice(c.attr,c.str.length+1,this.columns),c.str=c.str.substr(0,b.x)+f.repeat(" ",a)+c.str.substr(b.x),c.str=c.str.substr(0,this.columns),c.attr[c.str.length]=d,this.setLine(b.y,c)},e.prototype.removeLine=function(a){this._removeLine(this.cursor.y,+a),this._scrollRegion[1]!==this.rows-1&&this.cursor.y<=this._scrollRegion[1]&&this._insertLine(this._scrollRegion[1]+1-a,+a)},e.prototype._removeLine=function(a,b){var c,d,e;for(void 0===b&&(b=1),d=this._buffer.str.splice(a,b),this._scrollback.str.push.call(this._scrollback,d),e=this._buffer.attr.splice(a,b),this._scrollback.attr.push.call(this._scrollback,e),c=0;c<d.length;c++)this.emit("lineremove",a,{str:d[c],attr:e[c]});return b},e.prototype.setLine=function(a,b){"object"==typeof a&&void 0===b&&(b=a,a=this.cursor.y),b=this._createLine(b),this._buffer.str.length<=a?this._insertLine(a,b):(b.str.length>this.columns&&(b.attr[this.columns]=b.attr[b.str.length]),this._buffer.str[a]=b.str.substr(0,this.columns),this._buffer.attr[a]=b.attr,this.emit("linechange",a,b))},e.prototype.insertLine=function(a){this._insertLine(this.cursor.y,+a)},e.prototype._insertLine=function(a,b){var c,d=this.getBufferRowCount(),e=Math.min(d,a),f=a+1;for("number"==typeof b&&(f=a+b,b=void 0),c=e;c<f;c++)this.rows===this.getBufferRowCount()&&this._removeLine(this._scrollRegion[1],1),b=this._createLine(b),this._buffer.str.splice(e,0,b.str),this._buffer.attr.splice(e,0,b.attr),this.emit("lineinsert",e,b),b=void 0},e.prototype._applyAttributes=function(a,b,c){var d,e,f,g,h;for(d=b+c;d>0&&void 0===a.attr[d];d--);for(e=a.attr[d],g=b-1;g>0&&void 0===a.attr[g];g--);for(f=a.attr[g],h=b;h<b+c;h++)delete a.attr[h];return f===this._attributes&&b!==a.str.length||(a.attr[b]=this._attributes),b+c<=this.columns&&(a.attr[b+c]=e),this._attributesUsed=!0,this},e.prototype.setCursor=function(a,b){var c=this.cursor;return"number"!=typeof a&&(a=c.x),"number"!=typeof b&&(b=c.y),a<0?a=0:a>this.columns&&(a=this.columns),b<0?b=0:b>=this.rows&&(b=this.rows-1),c.x===a&&c.y===b&&0!==arguments.length||(c.x=a,c.y=b,this.emit("cursormove",a,b)),this},e.prototype.resize=function(a){var b=this.cursor,c=Math.max(0,this.rows-a.rows),d=this.rows-b.y-1,e=Math.min(c,d),f=c-e;return this._removeLine(this.rows-e,e),this._removeLine(0,f),this.rows=~~a.rows,this.columns=~~a.columns,this.redraw(),this.setScrollRegion(0,this.rows-1),this.emit("resize",{rows:this.rows,columns:this.columns}),this.setCursor(),this},e.prototype.redraw=function(){for(var a=0;a<this._buffer.str.length;a++)this.setLine(a,this.getLine(a))},e.prototype.mvCursor=function(a,b){return(a||b)&&this.setCursor(this.cursor.x+a,this.cursor.y+b),this},e.prototype.scroll=function(a){var b,c=Math.min(Math.abs(a),this._scrollRegion[1]-this._scrollRegion[0]);if(a>0)for(this._removeLine(this._scrollRegion[0],c),b=0;b<c;b++)this._insertLine(this._scrollRegion[1]+1-c);else for(this._removeLine(this._scrollRegion[1]+1-c,c),b=0;b<c;b++)this._insertLine(this._scrollRegion[0])},e.prototype.toString=function(){return this._buffer.str.join("\n")},e.prototype.prevLine=function(){return this.cursor.y===this._scrollRegion[0]?this.scroll(-1):this.mvCursor(0,-1),this},e.prototype.nextLine=function(){return this.cursor.y===this._scrollRegion[1]?this.scroll(1):this.mvCursor(0,1),this},e.prototype.resetAttribute=function(a){return a?this.setAttribute(a,this._defaultAttr[a]):(this._attributesUsed=!0,this._attributes=this._defaultAttr),this},e.prototype.saveCursor=function(){return this._savedCursor.x=this.cursor.x,this._savedCursor.y=this.cursor.y,this},e.prototype.restoreCursor=function(){return this.setCursor(this._savedCursor.x,this._savedCursor.y)},e.prototype.eraseCharacters=function(a){var b=this.cursor,c=this.getLine(b.y);c.str=c.str.substr(0,b.x)+f.repeat(" ",a)+c.str.substr(b.x+a),c.str=c.str.substr(0,this.columns),this._applyAttributes(c,b.x,a),this.setLine(b.y,c)},e.prototype.eraseInDisplay=function(a){var b,c,d=this.cursor,e=this,f=function(){c=e._createLine(),e._applyAttributes(c,0,e.columns),e.setLine(b,c)};switch(a||0){case"below":case"after":case 0:for(a=0,b=d.y+1;b<this.rows;b++)f();break;case"above":case"before":case 1:for(a=1,b=0;b<d.y-1;b++)f();break;case"all":case 2:for(b=0;b<this.rows;b++)f();return this}return this.eraseInLine(a)},e.prototype.eraseInLine=function(a){var b=this.cursor,c=this.getLine();switch(a||0){case"after":case 0:c.str=c.str.substr(0,b.x),this._applyAttributes(c,b.x,this.columns);break;case"before":case 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