xterm-addon-webgl - npm Package Compare versions

Comparing version 0.2.0-beta2 to 0.2.0-beta3

lib/xterm-addon-webgl.js

@@ -1,2 +0,2 @@
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.WebglAddon=e():t.WebglAddon=e()}(window,function(){return function(t){var e={};function i(r){if(e[r])return e[r].exports;var o=e[r]={i:r,l:!1,exports:{}};return t[r].call(o.exports,o,o.exports,i),o.l=!0,o.exports}return i.m=t,i.c=e,i.d=function(t,e,r){i.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:r})},i.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},i.t=function(t,e){if(1&e&&(t=i(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var r=Object.create(null);if(i.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var o in t)i.d(r,o,function(e){return t[e]}.bind(null,o));return r},i.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return i.d(e,"a",e),e},i.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},i.p="",i(i.s=11)}([function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.DEFAULT_COLOR=256,e.DEFAULT_ATTR=256|e.DEFAULT_COLOR<<9,e.CHAR_DATA_ATTR_INDEX=0,e.CHAR_DATA_CHAR_INDEX=1,e.CHAR_DATA_WIDTH_INDEX=2,e.CHAR_DATA_CODE_INDEX=3,e.NULL_CELL_CHAR="",e.NULL_CELL_WIDTH=1,e.NULL_CELL_CODE=0,e.WHITESPACE_CELL_CHAR=" ",e.WHITESPACE_CELL_WIDTH=1,e.WHITESPACE_CELL_CODE=32},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(0);e.generateConfig=function(t,e,i,r){var o={foreground:r.foreground,background:r.background,cursor:null,cursorAccent:null,selection:null,ansi:r.ansi.slice()};return{devicePixelRatio:window.devicePixelRatio,scaledCharWidth:t,scaledCharHeight:e,fontFamily:i.getOption("fontFamily"),fontSize:i.getOption("fontSize"),fontWeight:i.getOption("fontWeight"),fontWeightBold:i.getOption("fontWeightBold"),allowTransparency:i.getOption("allowTransparency"),colors:o}},e.configEquals=function(t,e){for(var i=0;i<t.colors.ansi.length;i++)if(t.colors.ansi[i].rgba!==e.colors.ansi[i].rgba)return!1;return t.devicePixelRatio===e.devicePixelRatio&&t.fontFamily===e.fontFamily&&t.fontSize===e.fontSize&&t.fontWeight===e.fontWeight&&t.fontWeightBold===e.fontWeightBold&&t.allowTransparency===e.allowTransparency&&t.scaledCharWidth===e.scaledCharWidth&&t.scaledCharHeight===e.scaledCharHeight&&t.colors.foreground===e.colors.foreground&&t.colors.background===e.colors.background},e.is256Color=function(t){return t<r.DEFAULT_COLOR}},function(t,e,i){"use 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e=this;this._colors=t,this._applyBgLuminanceBasedSelection(),this._renderLayers.forEach(function(t){t.setColors(e._terminal,e._colors),t.reset(e._terminal)}),this._rectangleRenderer.setColors(),this._glyphRenderer.setColors(),this._refreshCharAtlas(),this._model.clear()},i.prototype.onDevicePixelRatioChange=function(){this._devicePixelRatio!==window.devicePixelRatio&&(this._devicePixelRatio=window.devicePixelRatio,this.onResize(this._terminal.cols,this._terminal.rows))},i.prototype.onResize=function(t,e){var i=this;this._updateDimensions(),this._model.resize(this._terminal.cols,this._terminal.rows),this._rectangleRenderer.onResize(),this._renderLayers.forEach(function(t){return t.resize(i._terminal,i.dimensions)}),this._canvas.width=this.dimensions.scaledCanvasWidth,this._canvas.height=this.dimensions.scaledCanvasHeight,this._canvas.style.width=this.dimensions.canvasWidth+"px",this._canvas.style.height=this.dimensions.canvasHeight+"px",this._core.screenElement.style.width=this.dimensions.canvasWidth+"px",this._core.screenElement.style.height=this.dimensions.canvasHeight+"px",this._glyphRenderer.setDimensions(this.dimensions),this._glyphRenderer.onResize(),this._refreshCharAtlas(),this._model.clear()},i.prototype.onCharSizeChanged=function(){this.onResize(this._terminal.cols,this._terminal.rows)},i.prototype.onBlur=function(){var t=this;this._renderLayers.forEach(function(e){return e.onBlur(t._terminal)})},i.prototype.onFocus=function(){var t=this;this._renderLayers.forEach(function(e){return e.onFocus(t._terminal)})},i.prototype.onSelectionChanged=function(t,e,i){var r=this;this._renderLayers.forEach(function(o){return o.onSelectionChanged(r._terminal,t,e,i)}),this._updateSelectionModel(t,e),this._rectangleRenderer.updateSelection(this._model.selection,i),this._glyphRenderer.updateSelection(this._model,i),this._core.refresh(0,this._terminal.rows-1)},i.prototype.onCursorMove=function(){var t=this;this._renderLayers.forEach(function(e){return e.onCursorMove(t._terminal)})},i.prototype.onOptionsChanged=function(){var t=this;this._renderLayers.forEach(function(e){return e.onOptionsChanged(t._terminal)}),this._updateDimensions(),this._refreshCharAtlas()},i.prototype._refreshCharAtlas=function(){if(!(this.dimensions.scaledCharWidth<=0&&this.dimensions.scaledCharHeight<=0)){var t=a.acquireCharAtlas(this._terminal,this._colors,this.dimensions.scaledCharWidth,this.dimensions.scaledCharHeight);if(!("getRasterizedGlyph"in t))throw new Error("The webgl renderer only works with the webgl char atlas");this._charAtlas=t,this._charAtlas.warmUp(),this._glyphRenderer.setAtlas(this._charAtlas)}},i.prototype.clear=function(){var t=this;this._renderLayers.forEach(function(e){return e.reset(t._terminal)})},i.prototype.registerCharacterJoiner=function(t){return-1},i.prototype.deregisterCharacterJoiner=function(t){return!1},i.prototype.renderRows=function(t,e){var i=this;this._renderLayers.forEach(function(r){return r.onGridChanged(i._terminal,t,e)}),this._glyphRenderer.beginFrame()&&this._model.clear(),this._updateModel(t,e),this._rectangleRenderer.render(),this._glyphRenderer.render(this._model,this._model.selection.hasSelection)},i.prototype._updateModel=function(t,i){for(var r=this._core,o=t;o<=i;o++){var n=o+r.buffer.ydisp,s=r.buffer.lines.get(n);this._model.lineLengths[o]=0;for(var a=0;a<r.cols;a++){var 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r=t[1]-i.buffer.viewportY,o=e[1]-i.buffer.viewportY,n=Math.max(r,0),s=Math.min(o,i.rows-1);n>=i.rows||s<0?this._model.clearSelection():(this._model.selection.hasSelection=!0,this._model.selection.viewportStartRow=r,this._model.selection.viewportEndRow=o,this._model.selection.viewportCappedStartRow=n,this._model.selection.viewportCappedEndRow=s,this._model.selection.startCol=t[0],this._model.selection.endCol=e[0])}else this._model.clearSelection()},i.prototype._updateDimensions=function(){this._core._charSizeService.width&&this._core._charSizeService.height&&(this.dimensions.scaledCharWidth=Math.floor(this._core._charSizeService.width*this._devicePixelRatio),this.dimensions.scaledCharHeight=Math.ceil(this._core._charSizeService.height*this._devicePixelRatio),this.dimensions.scaledCellHeight=Math.floor(this.dimensions.scaledCharHeight*this._terminal.getOption("lineHeight")),this.dimensions.scaledCharTop=1===this._terminal.getOption("lineHeight")?0:Math.round((this.dimensions.scaledCellHeight-this.dimensions.scaledCharHeight)/2),this.dimensions.scaledCellWidth=this.dimensions.scaledCharWidth+Math.round(this._terminal.getOption("letterSpacing")),this.dimensions.scaledCharLeft=Math.floor(this._terminal.getOption("letterSpacing")/2),this.dimensions.scaledCanvasHeight=this._terminal.rows*this.dimensions.scaledCellHeight,this.dimensions.scaledCanvasWidth=this._terminal.cols*this.dimensions.scaledCellWidth,this.dimensions.canvasHeight=Math.round(this.dimensions.scaledCanvasHeight/this._devicePixelRatio),this.dimensions.canvasWidth=Math.round(this.dimensions.scaledCanvasWidth/this._devicePixelRatio),this.dimensions.actualCellHeight=this.dimensions.scaledCellHeight/this._devicePixelRatio,this.dimensions.actualCellWidth=this.dimensions.scaledCellWidth/this._devicePixelRatio)},i}(_.Disposable);e.WebglRenderer=p},function(t,e,i){"use 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r=i(9),o=function(){function t(t,e,i,r,o){this._container=t,this._alpha=r,this._colors=o,this._scaledCharWidth=0,this._scaledCharHeight=0,this._scaledCellWidth=0,this._scaledCellHeight=0,this._scaledCharLeft=0,this._scaledCharTop=0,this._currentGlyphIdentifier={chars:"",code:0,bg:0,fg:0,bold:!1,dim:!1,italic:!1},this._canvas=document.createElement("canvas"),this._canvas.classList.add("xterm-"+e+"-layer"),this._canvas.style.zIndex=i.toString(),this._initCanvas(),this._container.appendChild(this._canvas)}return t.prototype.dispose=function(){this._container.removeChild(this._canvas),this._charAtlas&&this._charAtlas.dispose()},t.prototype._initCanvas=function(){this._ctx=this._canvas.getContext("2d",{alpha:this._alpha}),this._alpha||this._clearAll()},t.prototype.onOptionsChanged=function(t){},t.prototype.onBlur=function(t){},t.prototype.onFocus=function(t){},t.prototype.onCursorMove=function(t){},t.prototype.onGridChanged=function(t,e,i){},t.prototype.onSelectionChanged=function(t,e,i,r){void 0===r&&(r=!1)},t.prototype.setColors=function(t,e){this._refreshCharAtlas(t,e)},t.prototype._setTransparency=function(t,e){if(e!==this._alpha){var i=this._canvas;this._alpha=e,this._canvas=this._canvas.cloneNode(),this._initCanvas(),this._container.replaceChild(this._canvas,i),this._refreshCharAtlas(t,this._colors),this.onGridChanged(t,0,t.rows-1)}},t.prototype._refreshCharAtlas=function(t,e){this._scaledCharWidth<=0&&this._scaledCharHeight<=0||(this._charAtlas=r.acquireCharAtlas(t,e,this._scaledCharWidth,this._scaledCharHeight),this._charAtlas.warmUp())},t.prototype.resize=function(t,e){this._scaledCellWidth=e.scaledCellWidth,this._scaledCellHeight=e.scaledCellHeight,this._scaledCharWidth=e.scaledCharWidth,this._scaledCharHeight=e.scaledCharHeight,this._scaledCharLeft=e.scaledCharLeft,this._scaledCharTop=e.scaledCharTop,this._canvas.width=e.scaledCanvasWidth,this._canvas.height=e.scaledCanvasHeight,this._canvas.style.width=e.canvasWidth+"px",this._canvas.style.height=e.canvasHeight+"px",this._alpha||this._clearAll(),this._refreshCharAtlas(t,this._colors)},t.prototype._fillCells=function(t,e,i,r){this._ctx.fillRect(t*this._scaledCellWidth,e*this._scaledCellHeight,i*this._scaledCellWidth,r*this._scaledCellHeight)},t.prototype._fillBottomLineAtCells=function(t,e,i){void 0===i&&(i=1),this._ctx.fillRect(t*this._scaledCellWidth,(e+1)*this._scaledCellHeight-window.devicePixelRatio-1,i*this._scaledCellWidth,window.devicePixelRatio)},t.prototype._fillLeftLineAtCell=function(t,e){this._ctx.fillRect(t*this._scaledCellWidth,e*this._scaledCellHeight,window.devicePixelRatio,this._scaledCellHeight)},t.prototype._strokeRectAtCell=function(t,e,i,r){this._ctx.lineWidth=window.devicePixelRatio,this._ctx.strokeRect(t*this._scaledCellWidth+window.devicePixelRatio/2,e*this._scaledCellHeight+window.devicePixelRatio/2,i*this._scaledCellWidth-window.devicePixelRatio,r*this._scaledCellHeight-window.devicePixelRatio)},t.prototype._clearAll=function(){this._alpha?this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height):(this._ctx.fillStyle=this._colors.background.css,this._ctx.fillRect(0,0,this._canvas.width,this._canvas.height))},t.prototype._clearCells=function(t,e,i,r){this._alpha?this._ctx.clearRect(t*this._scaledCellWidth,e*this._scaledCellHeight,i*this._scaledCellWidth,r*this._scaledCellHeight):(this._ctx.fillStyle=this._colors.background.css,this._ctx.fillRect(t*this._scaledCellWidth,e*this._scaledCellHeight,i*this._scaledCellWidth,r*this._scaledCellHeight))},t.prototype._fillCharTrueColor=function(t,e,i,r){this._ctx.font=this._getFont(t,!1,!1),this._ctx.textBaseline="middle",this._clipRow(t,r),this._ctx.fillText(e.getChars(),i*this._scaledCellWidth+this._scaledCharLeft,r*this._scaledCellHeight+this._scaledCharTop+this._scaledCharHeight/2)},t.prototype._clipRow=function(t,e){this._ctx.beginPath(),this._ctx.rect(0,e*this._scaledCellHeight,t.cols*this._scaledCellWidth,this._scaledCellHeight),this._ctx.clip()},t.prototype._getFont=function(t,e,i){var r=e?t.getOption("fontWeightBold"):t.getOption("fontWeight");return(i?"italic":"")+" "+r+" "+t.getOption("fontSize")*window.devicePixelRatio+"px "+t.getOption("fontFamily")},t}();e.BaseRenderLayer=o},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(1),o=i(15),n=[];e.acquireCharAtlas=function(t,e,i,s){for(var a=r.generateConfig(i,s,t,e),l=0;l<n.length;l++){var c=(h=n[l]).ownedBy.indexOf(t);if(c>=0){if(r.configEquals(h.config,a))return h.atlas;1===h.ownedBy.length?(h.atlas.dispose(),n.splice(l,1)):h.ownedBy.splice(c,1);break}}for(l=0;l<n.length;l++){var h=n[l];if(r.configEquals(h.config,a))return h.ownedBy.push(t),h.atlas}var _={atlas:new o.WebglCharAtlas(document,a),config:a,ownedBy:[t]};return n.push(_),_.atlas},e.removeTerminalFromCache=function(t){for(var e=0;e<n.length;e++){var i=n[e].ownedBy.indexOf(t);if(-1!==i){1===n[e].ownedBy.length?(n[e].atlas.dispose(),n.splice(e,1)):n[e].ownedBy.splice(i,1);break}}}},function(t,e,i){"use strict";var r=this&&this.__extends||function(){var t=function(e,i){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i])})(e,i)};return function(e,i){function r(){this.constructor=e}t(e,i),e.prototype=null===i?Object.create(i):(r.prototype=i.prototype,new r)}}();Object.defineProperty(e,"__esModule",{value:!0});var o=i(17),n=i(0),s=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.content=0,e.fg=0,e.bg=0,e.combinedData="",e}return r(e,t),e.fromCharData=function(t){var i=new e;return i.setFromCharData(t),i},e.prototype.isCombined=function(){return 2097152&this.content},e.prototype.getWidth=function(){return this.content>>22},e.prototype.getChars=function(){return 2097152&this.content?this.combinedData:2097151&this.content?o.stringFromCodePoint(2097151&this.content):""},e.prototype.getCode=function(){return this.isCombined()?this.combinedData.charCodeAt(this.combinedData.length-1):2097151&this.content},e.prototype.setFromCharData=function(t){this.fg=t[n.CHAR_DATA_ATTR_INDEX],this.bg=0;var e=!1;if(t[n.CHAR_DATA_CHAR_INDEX].length>2)e=!0;else if(2===t[n.CHAR_DATA_CHAR_INDEX].length){var i=t[n.CHAR_DATA_CHAR_INDEX].charCodeAt(0);if(55296<=i&&i<=56319){var r=t[n.CHAR_DATA_CHAR_INDEX].charCodeAt(1);56320<=r&&r<=57343?this.content=1024*(i-55296)+r-56320+65536|t[n.CHAR_DATA_WIDTH_INDEX]<<22:e=!0}else e=!0}else this.content=t[n.CHAR_DATA_CHAR_INDEX].charCodeAt(0)|t[n.CHAR_DATA_WIDTH_INDEX]<<22;e&&(this.combinedData=t[n.CHAR_DATA_CHAR_INDEX],this.content=2097152|t[n.CHAR_DATA_WIDTH_INDEX]<<22)},e.prototype.getAsCharData=function(){return[this.fg,this.getChars(),this.getWidth(),this.getCode()]},e}(i(18).AttributeData);e.CellData=s},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(4),o=function(){function t(t){this._preserveDrawingBuffer=t}return t.prototype.activate=function(t){if(!t.element)throw new Error("Cannot activate WebglRendererAddon before Terminal.open");var e=t._core._renderService,i=t._core._colorManager.colors;e.setRenderer(new r.WebglRenderer(t,i,this._preserveDrawingBuffer))},t.prototype.dispose=function(){throw new Error("WebglRendererAddon.dispose Not yet implemented")},t}();e.WebglAddon=o},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(5),o=i(4),n=i(6),s=i(3),a=i(13),l=i(0),c=i(7),h="#version 300 es\nlayout (location = 0) in vec2 a_unitquad;\nlayout (location = 1) in vec2 a_cellpos;\nlayout (location = 2) in vec2 a_offset;\nlayout (location = 3) in vec2 a_size;\nlayout (location = 4) in vec2 a_texcoord;\nlayout (location = 5) in vec2 a_texsize;\n\nuniform mat4 u_projection;\nuniform vec2 u_resolution;\n\nout vec2 v_texcoord;\n\nvoid main() {\n  vec2 zeroToOne = (a_offset / u_resolution) + a_cellpos + (a_unitquad * a_size);\n  gl_Position = u_projection * vec4(zeroToOne, 0.0, 1.0);\n  v_texcoord = a_texcoord + a_unitquad * a_texsize;\n}",_="#version 300 es\nprecision lowp float;\n\nin vec2 v_texcoord;\n\nuniform sampler2D u_texture;\n\nout vec4 outColor;\n\nvoid main() {\n  outColor = texture(u_texture, v_texcoord);\n}",u=10*Float32Array.BYTES_PER_ELEMENT,d=function(){function t(t,e,i,o){this._terminal=t,this._colors=e,this._gl=i,this._dimensions=o,this._activeBuffer=0,this._vertices={count:0,attributes:new Float32Array(0),attributesBuffers:[new Float32Array(0),new Float32Array(0)],selectionAttributes:new Float32Array(0)};var n=this._gl;this._program=r.createProgram(n,h,_),this._projectionLocation=n.getUniformLocation(this._program,"u_projection"),this._resolutionLocation=n.getUniformLocation(this._program,"u_resolution"),this._textureLocation=n.getUniformLocation(this._program,"u_texture"),this._vertexArrayObject=n.createVertexArray(),n.bindVertexArray(this._vertexArrayObject);var s=new Float32Array([0,0,1,0,0,1,1,1]),a=n.createBuffer();n.bindBuffer(n.ARRAY_BUFFER,a),n.bufferData(n.ARRAY_BUFFER,s,n.STATIC_DRAW),n.enableVertexAttribArray(0),n.vertexAttribPointer(0,2,this._gl.FLOAT,!1,0,0);var l=new Uint8Array([0,1,3,0,2,3]),c=n.createBuffer();n.bindBuffer(n.ELEMENT_ARRAY_BUFFER,c),n.bufferData(n.ELEMENT_ARRAY_BUFFER,l,n.STATIC_DRAW),this._attributesBuffer=n.createBuffer(),n.bindBuffer(n.ARRAY_BUFFER,this._attributesBuffer),n.enableVertexAttribArray(2),n.vertexAttribPointer(2,2,n.FLOAT,!1,u,0),n.vertexAttribDivisor(2,1),n.enableVertexAttribArray(3),n.vertexAttribPointer(3,2,n.FLOAT,!1,u,2*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(3,1),n.enableVertexAttribArray(4),n.vertexAttribPointer(4,2,n.FLOAT,!1,u,4*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(4,1),n.enableVertexAttribArray(5),n.vertexAttribPointer(5,2,n.FLOAT,!1,u,6*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(5,1),n.enableVertexAttribArray(1),n.vertexAttribPointer(1,2,n.FLOAT,!1,u,8*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(1,1),this._atlasTexture=n.createTexture(),n.bindTexture(n.TEXTURE_2D,this._atlasTexture),n.texImage2D(n.TEXTURE_2D,0,n.RGBA,1,1,0,n.RGBA,n.UNSIGNED_BYTE,new Uint8Array([0,0,255,255])),n.texParameteri(n.TEXTURE_2D,n.TEXTURE_WRAP_S,n.CLAMP_TO_EDGE),n.texParameteri(n.TEXTURE_2D,n.TEXTURE_WRAP_T,n.CLAMP_TO_EDGE),n.enable(n.BLEND),n.blendFunc(n.SRC_ALPHA,n.ONE_MINUS_SRC_ALPHA),this.onResize()}return t.prototype.beginFrame=function(){return!this._atlas||this._atlas.beginFrame()},t.prototype.updateCell=function(t,e,i,r,o,n,s){this._updateCell(this._vertices.attributes,t,e,i,r,o,n,s)},t.prototype._updateCell=function(t,e,i,r,o,n,a,c){var h,_=10*(i*this._terminal.cols+e);r!==l.NULL_CELL_CODE&&r!==l.WHITESPACE_CELL_CODE&&void 0!==r?(h=c&&c.length>1?this._atlas.getRasterizedGlyphCombinedChar(c,o,n,a):this._atlas.getRasterizedGlyph(r,o,n,a))?(t[_]=-h.offset.x+this._dimensions.scaledCharLeft,t[_+1]=-h.offset.y+this._dimensions.scaledCharTop,t[_+2]=h.size.x/this._dimensions.scaledCanvasWidth,t[_+3]=h.size.y/this._dimensions.scaledCanvasHeight,t[_+4]=h.texturePositionClipSpace.x,t[_+5]=h.texturePositionClipSpace.y,t[_+6]=h.sizeClipSpace.x,t[_+7]=h.sizeClipSpace.y):s.fill(t,0,_,_+10-1-2):s.fill(t,0,_,_+10-1-2)},t.prototype.updateSelection=function(t,e){var i=this._terminal;this._vertices.selectionAttributes=a.slice(this._vertices.attributes,0);var r=c.getLuminance(this._colors.background),o=r>.5?7:0,n=r>.5?0:7;if(e)for(var s=t.selection.startCol,l=t.selection.endCol-s,h=t.selection.viewportCappedEndRow-t.selection.viewportCappedStartRow+1,_=t.selection.viewportCappedStartRow;_<t.selection.viewportCappedStartRow+h;_++)this._updateSelectionRange(s,s+l,_,t,n,o);else{s=t.selection.viewportStartRow===t.selection.viewportCappedStartRow?t.selection.startCol:0;var u=t.selection.viewportCappedStartRow===t.selection.viewportCappedEndRow?t.selection.endCol:i.cols;this._updateSelectionRange(s,u,t.selection.viewportCappedStartRow,t,n,o);var d=Math.max(t.selection.viewportCappedEndRow-t.selection.viewportCappedStartRow-1,0);for(_=t.selection.viewportCappedStartRow+1;_<=t.selection.viewportCappedStartRow+d;_++)this._updateSelectionRange(0,u,_,t,n,o);if(t.selection.viewportCappedStartRow!==t.selection.viewportCappedEndRow){var f=t.selection.viewportEndRow===t.selection.viewportCappedEndRow?t.selection.endCol:i.cols;this._updateSelectionRange(0,f,t.selection.viewportCappedEndRow,t,n,o)}}},t.prototype._updateSelectionRange=function(t,e,i,r,s,a){for(var l,c=this._terminal,h=i+c.buffer.viewportY,_=t;_<e;_++){var u=(i*this._terminal.cols+_)*o.INDICIES_PER_CELL,d=r.cells[u+1];if(d=-262144&d|s<<9|a,r.cells[u]&n.COMBINED_CHAR_BIT_MASK){l||(l=c.buffer.getLine(h));var f=l.getCell(_).char;this._updateCell(this._vertices.selectionAttributes,_,i,r.cells[u],d,s,a,f)}else this._updateCell(this._vertices.selectionAttributes,_,i,r.cells[u],d,s,a)}},t.prototype.onResize=function(){var t=this._terminal,e=this._gl;e.viewport(0,0,e.canvas.width,e.canvas.height);var i=t.cols*t.rows*10;if(this._vertices.count!==i){this._vertices.count=i,this._vertices.attributes=new Float32Array(i);for(var r=0;r<this._vertices.attributesBuffers.length;r++)this._vertices.attributesBuffers[r]=new Float32Array(i);for(var o=0,n=0;n<t.rows;n++)for(var s=0;s<t.cols;s++)this._vertices.attributes[o+8]=s/t.cols,this._vertices.attributes[o+9]=n/t.rows,o+=10}},t.prototype.setColors=function(){},t.prototype.render=function(t,e){if(this._atlas){var i=this._gl;i.useProgram(this._program),i.bindVertexArray(this._vertexArrayObject),this._activeBuffer=(this._activeBuffer+1)%2;for(var o=this._vertices.attributesBuffers[this._activeBuffer],n=0,s=0;s<t.lineLengths.length;s++){var a=s*this._terminal.cols*10,l=(e?this._vertices.selectionAttributes:this._vertices.attributes).subarray(a,a+10*t.lineLengths[s]);o.set(l,n),n+=l.length}i.bindBuffer(i.ARRAY_BUFFER,this._attributesBuffer),i.bufferData(i.ARRAY_BUFFER,o.subarray(0,n),i.STREAM_DRAW),this._atlas.hasCanvasChanged&&(this._atlas.hasCanvasChanged=!1,i.uniform1i(this._textureLocation,0),i.activeTexture(i.TEXTURE0+0),i.bindTexture(i.TEXTURE_2D,this._atlasTexture),i.texImage2D(i.TEXTURE_2D,0,i.RGBA,i.RGBA,i.UNSIGNED_BYTE,this._atlas.cacheCanvas),i.generateMipmap(i.TEXTURE_2D)),i.uniformMatrix4fv(this._projectionLocation,!1,r.PROJECTION_MATRIX),i.uniform2f(this._resolutionLocation,i.canvas.width,i.canvas.height),i.drawElementsInstanced(i.TRIANGLES,6,i.UNSIGNED_BYTE,0,n/10)}},t.prototype.setAtlas=function(t){var e=this._gl;this._atlas=t,e.bindTexture(e.TEXTURE_2D,this._atlasTexture),e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,t.cacheCanvas),e.generateMipmap(e.TEXTURE_2D)},t.prototype.setDimensions=function(t){this._dimensions=t},t}();e.GlyphRenderer=d},function(t,e,i){"use strict";function r(t,e,i){void 0===e&&(e=0),void 0===i&&(i=t.length),e<0&&(e=(t.length+e)%t.length),i=i>=t.length?t.length:(t.length+i)%t.length,e=Math.min(e,i);for(var r=new t.constructor(i-e),o=0;o<i-e;++o)r[o]=t[o+e];return r}Object.defineProperty(e,"__esModule",{value:!0}),e.slice=function(t,e,i){return t.slice?t.slice(e,i):r(t,e,i)},e.sliceFallback=r},function(t,e,i){"use strict";var r=this&&this.__extends||function(){var t=function(e,i){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i])})(e,i)};return function(e,i){function r(){this.constructor=e}t(e,i),e.prototype=null===i?Object.create(i):(r.prototype=i.prototype,new r)}}();Object.defineProperty(e,"__esModule",{value:!0});var o=i(8),n=i(2),s=i(1),a=function(t){function e(e,i,r,o){var n=t.call(this,e,"link",i,!0,r)||this;return n._state=null,o.linkifier.onLinkHover(function(t){return n._onLinkHover(t)}),o.linkifier.onLinkLeave(function(t){return n._onLinkLeave(t)}),n}return r(e,t),e.prototype.resize=function(e,i){t.prototype.resize.call(this,e,i),this._state=null},e.prototype.reset=function(t){this._clearCurrentLink()},e.prototype._clearCurrentLink=function(){if(this._state){this._clearCells(this._state.x1,this._state.y1,this._state.cols-this._state.x1,1);var t=this._state.y2-this._state.y1-1;t>0&&this._clearCells(0,this._state.y1+1,this._state.cols,t),this._clearCells(0,this._state.y2,this._state.x2,1),this._state=null}},e.prototype._onLinkHover=function(t){if(t.fg===n.INVERTED_DEFAULT_COLOR?this._ctx.fillStyle=this._colors.background.css:s.is256Color(t.fg)?this._ctx.fillStyle=this._colors.ansi[t.fg].css:this._ctx.fillStyle=this._colors.foreground.css,t.y1===t.y2)this._fillBottomLineAtCells(t.x1,t.y1,t.x2-t.x1);else{this._fillBottomLineAtCells(t.x1,t.y1,t.cols-t.x1);for(var e=t.y1+1;e<t.y2;e++)this._fillBottomLineAtCells(0,e,t.cols);this._fillBottomLineAtCells(0,t.y2,t.x2)}this._state=t},e.prototype._onLinkLeave=function(t){this._clearCurrentLink()},e}(o.BaseRenderLayer);e.LinkRenderLayer=a},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(2),o=i(0),n=i(1),s=1024,a=1024,l=Math.floor(.8*a),c={css:"rgba(0, 0, 0, 0)",rgba:0},h={offset:{x:0,y:0},texturePosition:{x:0,y:0},texturePositionClipSpace:{x:0,y:0},size:{x:0,y:0},sizeClipSpace:{x:0,y:0}},_=2,u=function(){function t(t,e){this._config=e,this._didWarmUp=!1,this._cacheMap={},this._cacheMapCombined={},this._currentRowY=0,this._currentRowX=0,this._currentRowHeight=0,this.hasCanvasChanged=!1,this._workBoundingBox={top:0,left:0,bottom:0,right:0},this.cacheCanvas=t.createElement("canvas"),this.cacheCanvas.width=s,this.cacheCanvas.height=a,this._cacheCtx=this.cacheCanvas.getContext("2d",{alpha:!0}),this._tmpCanvas=t.createElement("canvas"),this._tmpCanvas.width=2*this._config.scaledCharWidth+2*_,this._tmpCanvas.height=this._config.scaledCharHeight+2*_,this._tmpCtx=this._tmpCanvas.getContext("2d",{alpha:this._config.allowTransparency}),t.body.appendChild(this.cacheCanvas)}return t.prototype.dispose=function(){this.cacheCanvas.parentElement&&this.cacheCanvas.parentElement.removeChild(this.cacheCanvas)},t.prototype.warmUp=function(){this._didWarmUp||(this._doWarmUp(),this._didWarmUp=!0)},t.prototype._doWarmUp=function(){for(var t,e=33;e<126;e++){var i=this._drawToCache(e,o.DEFAULT_ATTR,o.DEFAULT_COLOR,o.DEFAULT_COLOR);this._cacheMap[e]=((t={})[o.DEFAULT_ATTR]=i,t)}},t.prototype.beginFrame=function(){return this._currentRowY>l&&(this._cacheCtx.clearRect(0,0,s,a),this._cacheMap={},this._currentRowHeight=0,this._currentRowX=0,this._currentRowY=0,this._doWarmUp(),!0)},t.prototype.getRasterizedGlyphCombinedChar=function(t,e,i,r){var o=this._cacheMapCombined[t];o||(o={},this._cacheMapCombined[t]=o);var n=o[e];return n||(n=this._drawToCache(t,e,i,r),o[e]=n),n},t.prototype.getRasterizedGlyph=function(t,e,i,r){var o=this._cacheMap[t];o||(o={},this._cacheMap[t]=o);var n=o[e];return n||(n=this._drawToCache(t,e,i,r),o[e]=n),n},t.prototype._getColorFromAnsiIndex=function(t){if(t>=this._config.colors.ansi.length)throw new Error("No color found for idx "+t);return this._config.colors.ansi[t]},t.prototype._getBackgroundColor=function(t){return this._config.allowTransparency?c:t===r.INVERTED_DEFAULT_COLOR?this._config.colors.foreground:n.is256Color(t)?this._getColorFromAnsiIndex(t):this._config.colors.background},t.prototype._getForegroundColor=function(t){return t===r.INVERTED_DEFAULT_COLOR?this._config.colors.background:n.is256Color(t)?this._getColorFromAnsiIndex(t):this._config.colors.foreground},t.prototype._drawToCache=function(t,e,i,o){var n="number"==typeof t?String.fromCharCode(t):t;this.hasCanvasChanged=!0;var l=e>>18,c=!!(1&l),u=!!(32&l),d=!!(64&l);this._tmpCtx.save();var f=this._getBackgroundColor(i);this._tmpCtx.globalCompositeOperation="copy",this._tmpCtx.fillStyle=f.css,this._tmpCtx.fillRect(0,0,this._tmpCanvas.width,this._tmpCanvas.height),this._tmpCtx.globalCompositeOperation="source-over";var p=c?this._config.fontWeightBold:this._config.fontWeight,C=d?"italic":"";this._tmpCtx.font=C+" "+p+" "+this._config.fontSize*this._config.devicePixelRatio+"px "+this._config.fontFamily,this._tmpCtx.textBaseline="top",this._tmpCtx.fillStyle=this._getForegroundColor(o).css,u&&(this._tmpCtx.globalAlpha=r.DIM_OPACITY),this._tmpCtx.fillText(n,_,_),this._tmpCtx.restore();var g=this._tmpCtx.getImageData(0,0,this._tmpCanvas.width,this._tmpCanvas.height);if(function(t,e){for(var i=!0,r=e.rgba>>>24,o=e.rgba>>>16&255,n=e.rgba>>>8&255,s=0;s<t.data.length;s+=4)t.data[s]===r&&t.data[s+1]===o&&t.data[s+2]===n?t.data[s+3]=0:i=!1;return i}(g,f))return h;var v=this._findGlyphBoundingBox(g,this._workBoundingBox),m=this._clipImageData(g,this._workBoundingBox);return this._currentRowX+this._config.scaledCharWidth>s&&(this._currentRowX=0,this._currentRowY+=this._currentRowHeight,this._currentRowHeight=0),v.texturePosition.x=this._currentRowX,v.texturePosition.y=this._currentRowY,v.texturePositionClipSpace.x=this._currentRowX/s,v.texturePositionClipSpace.y=this._currentRowY/a,this._currentRowHeight=Math.max(this._currentRowHeight,v.size.y),this._currentRowX+=v.size.x,this._cacheCtx.putImageData(m,v.texturePosition.x,v.texturePosition.y),v},t.prototype._findGlyphBoundingBox=function(t,e){e.top=0;for(var i=!1,r=0;r<this._tmpCanvas.height;r++){for(var o=0;o<this._tmpCanvas.width;o++){var n=r*this._tmpCanvas.width*4+4*o+3;if(0!==t.data[n]){e.top=r,i=!0;break}}if(i)break}e.left=0,i=!1;for(o=0;o<this._tmpCanvas.width;o++){for(r=0;r<this._tmpCanvas.height;r++){n=r*this._tmpCanvas.width*4+4*o+3;if(0!==t.data[n]){e.left=o,i=!0;break}}if(i)break}e.right=this._tmpCanvas.width,i=!1;for(o=this._tmpCanvas.width-1;o>=0;o--){for(r=0;r<this._tmpCanvas.height;r++){n=r*this._tmpCanvas.width*4+4*o+3;if(0!==t.data[n]){e.right=o,i=!0;break}}if(i)break}e.bottom=this._tmpCanvas.height,i=!1;for(r=this._tmpCanvas.height-1;r>=0;r--){for(o=0;o<this._tmpCanvas.width;o++){n=r*this._tmpCanvas.width*4+4*o+3;if(0!==t.data[n]){e.bottom=r,i=!0;break}}if(i)break}return{texturePosition:{x:0,y:0},texturePositionClipSpace:{x:0,y:0},size:{x:e.right-e.left+1,y:e.bottom-e.top+1},sizeClipSpace:{x:(e.right-e.left+1)/s,y:(e.bottom-e.top+1)/a},offset:{x:-e.left+_,y:-e.top+_}}},t.prototype._clipImageData=function(t,e){for(var i=e.right-e.left+1,r=e.bottom-e.top+1,o=new Uint8ClampedArray(i*r*4),n=e.top;n<=e.bottom;n++)for(var s=e.left;s<=e.right;s++){var a=n*this._tmpCanvas.width*4+4*s,l=(n-e.top)*i*4+4*(s-e.left);o[l]=t.data[a],o[l+1]=t.data[a+1],o[l+2]=t.data[a+2],o[l+3]=t.data[a+3]}return new ImageData(o,i,r)},t}();e.WebglCharAtlas=u},function(t,e,i){"use strict";var r=this&&this.__extends||function(){var t=function(e,i){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i])})(e,i)};return function(e,i){function r(){this.constructor=e}t(e,i),e.prototype=null===i?Object.create(i):(r.prototype=i.prototype,new r)}}();Object.defineProperty(e,"__esModule",{value:!0});var o=i(8),n=i(10),s=function(t){function e(e,i,r){var o=t.call(this,e,"cursor",i,!0,r)||this;return o._cell=new n.CellData,o._state={x:null,y:null,isFocused:null,style:null,width:null},o._cursorRenderers={bar:o._renderBarCursor.bind(o),block:o._renderBlockCursor.bind(o),underline:o._renderUnderlineCursor.bind(o)},o}return r(e,t),e.prototype.resize=function(e,i){t.prototype.resize.call(this,e,i),this._state={x:null,y:null,isFocused:null,style:null,width:null}},e.prototype.reset=function(t){this._clearCursor(),this._cursorBlinkStateManager&&(this._cursorBlinkStateManager.dispose(),this._cursorBlinkStateManager=null,this.onOptionsChanged(t))},e.prototype.onBlur=function(t){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.pause(),t.refresh(t.buffer.cursorY,t.buffer.cursorY)},e.prototype.onFocus=function(t){this._cursorBlinkStateManager?this._cursorBlinkStateManager.resume(t):t.refresh(t.buffer.cursorY,t.buffer.cursorY)},e.prototype.onOptionsChanged=function(t){var e=this;t.getOption("cursorBlink")?this._cursorBlinkStateManager||(this._cursorBlinkStateManager=new a(t,function(){e._render(t,!0)})):(this._cursorBlinkStateManager&&(this._cursorBlinkStateManager.dispose(),this._cursorBlinkStateManager=null),t.refresh(t.buffer.cursorY,t.buffer.cursorY))},e.prototype.onCursorMove=function(t){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.restartBlinkAnimation(t)},e.prototype.onGridChanged=function(t,e,i){!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isPaused?this._render(t,!1):this._cursorBlinkStateManager.restartBlinkAnimation(t)},e.prototype._render=function(t,e){if(t._core.cursorState&&!t._core.cursorHidden){var i=t.buffer.baseY+t.buffer.cursorY,r=i-t.buffer.viewportY;if(r<0||r>=t.rows)this._clearCursor();else if(t._core.buffer.lines.get(i).loadCell(t.buffer.cursorX,this._cell),void 0!==this._cell.content){if(!l(t))return this._clearCursor(),this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._renderBlurCursor(t,t.buffer.cursorX,r,this._cell),this._ctx.restore(),this._state.x=t.buffer.cursorX,this._state.y=r,this._state.isFocused=!1,this._state.style=t.getOption("cursorStyle"),void(this._state.width=this._cell.getWidth());if(!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isCursorVisible){if(this._state){if(this._state.x===t.buffer.cursorX&&this._state.y===r&&this._state.isFocused===l(t)&&this._state.style===t.getOption("cursorStyle")&&this._state.width===this._cell.getWidth())return;this._clearCursor()}this._ctx.save(),this._cursorRenderers[t.getOption("cursorStyle")||"block"](t,t.buffer.cursorX,r,this._cell),this._ctx.restore(),this._state.x=t.buffer.cursorX,this._state.y=r,this._state.isFocused=!1,this._state.style=t.getOption("cursorStyle"),this._state.width=this._cell.getWidth()}else this._clearCursor()}}else 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strict";Object.defineProperty(e,"__esModule",{value:!0}),e.INVERTED_DEFAULT_COLOR=257,e.DIM_OPACITY=.5,e.CHAR_ATLAS_CELL_SPACING=1},function(t,e,i){"use strict";function r(t,e,i,r){if(void 0===i&&(i=0),void 0===r&&(r=t.length),i>=t.length)return t;i=(t.length+i)%t.length,r=r>=t.length?t.length:(t.length+r)%t.length;for(var o=i;o<r;++o)t[o]=e;return t}Object.defineProperty(e,"__esModule",{value:!0}),e.fill=function(t,e,i,o){return t.fill?t.fill(e,i,o):r(t,e,i,o)},e.fillFallback=r,e.concat=function(t,e){var i=new t.constructor(t.length+e.length);return i.set(t),i.set(e,t.length),i}},function(t,e,i){"use strict";var r=this&&this.__extends||function(){var t=function(e,i){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i])})(e,i)};return function(e,i){function r(){this.constructor=e}t(e,i),e.prototype=null===i?Object.create(i):(r.prototype=i.prototype,new 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a._core.screenElement.appendChild(a._canvas),a._rectangleRenderer=new l.RectangleRenderer(a._terminal,a._colors,a._gl,a.dimensions),a._glyphRenderer=new o.GlyphRenderer(a._terminal,a._colors,a._gl,a.dimensions),a.onCharSizeChanged(),a}return r(i,t),i.prototype.dispose=function(){this._renderLayers.forEach(function(t){return t.dispose()}),this._core.screenElement.removeChild(this._canvas),t.prototype.dispose.call(this)},i.prototype._applyBgLuminanceBasedSelection=function(){u.getLuminance(this._colors.background)>.5?this._colors.selection={css:"#000",rgba:255}:this._colors.selection={css:"#fff",rgba:4294967295}},i.prototype.setColors=function(t){var e=this;this._colors=t,this._applyBgLuminanceBasedSelection(),this._renderLayers.forEach(function(t){t.setColors(e._terminal,e._colors),t.reset(e._terminal)}),this._rectangleRenderer.setColors(),this._glyphRenderer.setColors(),this._refreshCharAtlas(),this._model.clear()},i.prototype.onDevicePixelRatioChange=function(){this._devicePixelRatio!==window.devicePixelRatio&&(this._devicePixelRatio=window.devicePixelRatio,this.onResize(this._terminal.cols,this._terminal.rows))},i.prototype.onResize=function(t,e){var i=this;this._updateDimensions(),this._model.resize(this._terminal.cols,this._terminal.rows),this._rectangleRenderer.onResize(),this._renderLayers.forEach(function(t){return t.resize(i._terminal,i.dimensions)}),this._canvas.width=this.dimensions.scaledCanvasWidth,this._canvas.height=this.dimensions.scaledCanvasHeight,this._canvas.style.width=this.dimensions.canvasWidth+"px",this._canvas.style.height=this.dimensions.canvasHeight+"px",this._core.screenElement.style.width=this.dimensions.canvasWidth+"px",this._core.screenElement.style.height=this.dimensions.canvasHeight+"px",this._glyphRenderer.setDimensions(this.dimensions),this._glyphRenderer.onResize(),this._refreshCharAtlas(),this._model.clear()},i.prototype.onCharSizeChanged=function(){this.onResize(this._terminal.cols,this._terminal.rows)},i.prototype.onBlur=function(){var t=this;this._renderLayers.forEach(function(e){return e.onBlur(t._terminal)})},i.prototype.onFocus=function(){var t=this;this._renderLayers.forEach(function(e){return e.onFocus(t._terminal)})},i.prototype.onSelectionChanged=function(t,e,i){var r=this;this._renderLayers.forEach(function(o){return o.onSelectionChanged(r._terminal,t,e,i)}),this._updateSelectionModel(t,e),this._rectangleRenderer.updateSelection(this._model.selection,i),this._glyphRenderer.updateSelection(this._model,i),this._core.refresh(0,this._terminal.rows-1)},i.prototype.onCursorMove=function(){var t=this;this._renderLayers.forEach(function(e){return e.onCursorMove(t._terminal)})},i.prototype.onOptionsChanged=function(){var t=this;this._renderLayers.forEach(function(e){return e.onOptionsChanged(t._terminal)}),this._updateDimensions(),this._refreshCharAtlas()},i.prototype._refreshCharAtlas=function(){if(!(this.dimensions.scaledCharWidth<=0&&this.dimensions.scaledCharHeight<=0)){var t=a.acquireCharAtlas(this._terminal,this._colors,this.dimensions.scaledCharWidth,this.dimensions.scaledCharHeight);if(!("getRasterizedGlyph"in t))throw new Error("The webgl renderer only works with the webgl char atlas");this._charAtlas=t,this._charAtlas.warmUp(),this._glyphRenderer.setAtlas(this._charAtlas)}},i.prototype.clear=function(){var t=this;this._renderLayers.forEach(function(e){return e.reset(t._terminal)})},i.prototype.registerCharacterJoiner=function(t){return-1},i.prototype.deregisterCharacterJoiner=function(t){return!1},i.prototype.renderRows=function(t,e){var i=this;this._renderLayers.forEach(function(r){return r.onGridChanged(i._terminal,t,e)}),this._glyphRenderer.beginFrame()&&this._model.clear(),this._updateModel(t,e),this._rectangleRenderer.render(),this._glyphRenderer.render(this._model,this._model.selection.hasSelection)},i.prototype._updateModel=function(t,i){for(var r=this._core,o=t;o<=i;o++){var n=o+r.buffer.ydisp,s=r.buffer.lines.get(n);this._model.lineLengths[o]=0;for(var a=0;a<r.cols;a++){var l=s.get(a),_=l[d.CHAR_DATA_CHAR_INDEX],u=l[d.CHAR_DATA_CODE_INDEX],p=f.getCompatAttr(s,a),v=(o*r.cols+a)*e.INDICIES_PER_CELL;if(u!==d.NULL_CELL_CODE&&(this._model.lineLengths[o]=a+1),this._model.cells[v]!==u||this._model.cells[v+1]!==p){var C=p>>18,g=511&p,m=p>>9&511;if(8&C){var y=g;g=m,(m=y)===d.DEFAULT_COLOR&&(m=c.INVERTED_DEFAULT_COLOR),g===d.DEFAULT_COLOR&&(g=c.INVERTED_DEFAULT_COLOR)}m+=r.options.drawBoldTextInBrightColors&&!!(1&C)&&m<8&&m!==c.INVERTED_DEFAULT_COLOR?8:0,_.length>1&&(u|=h.COMBINED_CHAR_BIT_MASK),this._model.cells[v]=u,this._model.cells[v+1]=p,this._model.cells[v+2]=g,this._model.cells[v+3]=m,this._glyphRenderer.updateCell(a,o,u,p,g,m,_)}}}this._rectangleRenderer.updateBackgrounds(this._model)},i.prototype._updateSelectionModel=function(t,e){var i=this._terminal;if(t&&e&&(t[0]!==e[0]||t[1]!==e[1])){var r=t[1]-i.buffer.viewportY,o=e[1]-i.buffer.viewportY,n=Math.max(r,0),s=Math.min(o,i.rows-1);n>=i.rows||s<0?this._model.clearSelection():(this._model.selection.hasSelection=!0,this._model.selection.viewportStartRow=r,this._model.selection.viewportEndRow=o,this._model.selection.viewportCappedStartRow=n,this._model.selection.viewportCappedEndRow=s,this._model.selection.startCol=t[0],this._model.selection.endCol=e[0])}else this._model.clearSelection()},i.prototype._updateDimensions=function(){this._core._charSizeService.width&&this._core._charSizeService.height&&(this.dimensions.scaledCharWidth=Math.floor(this._core._charSizeService.width*this._devicePixelRatio),this.dimensions.scaledCharHeight=Math.ceil(this._core._charSizeService.height*this._devicePixelRatio),this.dimensions.scaledCellHeight=Math.floor(this.dimensions.scaledCharHeight*this._terminal.getOption("lineHeight")),this.dimensions.scaledCharTop=1===this._terminal.getOption("lineHeight")?0:Math.round((this.dimensions.scaledCellHeight-this.dimensions.scaledCharHeight)/2),this.dimensions.scaledCellWidth=this.dimensions.scaledCharWidth+Math.round(this._terminal.getOption("letterSpacing")),this.dimensions.scaledCharLeft=Math.floor(this._terminal.getOption("letterSpacing")/2),this.dimensions.scaledCanvasHeight=this._terminal.rows*this.dimensions.scaledCellHeight,this.dimensions.scaledCanvasWidth=this._terminal.cols*this.dimensions.scaledCellWidth,this.dimensions.canvasHeight=Math.round(this.dimensions.scaledCanvasHeight/this._devicePixelRatio),this.dimensions.canvasWidth=Math.round(this.dimensions.scaledCanvasWidth/this._devicePixelRatio),this.dimensions.actualCellHeight=this.dimensions.scaledCellHeight/this._devicePixelRatio,this.dimensions.actualCellWidth=this.dimensions.scaledCellWidth/this._devicePixelRatio)},i}(_.Disposable);e.WebglRenderer=p},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(4);e.RENDER_MODEL_INDICIES_PER_CELL=4,e.COMBINED_CHAR_BIT_MASK=2147483648;var o=function(){function t(){this.cells=new Uint32Array(0),this.lineLengths=new Uint32Array(0),this.selection={hasSelection:!1,viewportStartRow:0,viewportEndRow:0,viewportCappedStartRow:0,viewportCappedEndRow:0,startCol:0,endCol:0}}return t.prototype.resize=function(t,i){var r=t*i*e.RENDER_MODEL_INDICIES_PER_CELL;r!==this.cells.length&&(this.cells=new Uint32Array(r),this.lineLengths=new Uint32Array(i))},t.prototype.clear=function(){r.fill(this.cells,0,0),r.fill(this.lineLengths,0,0),this.clearSelection()},t.prototype.clearSelection=function(){this.selection.hasSelection=!1,this.selection.viewportStartRow=0,this.selection.viewportEndRow=0,this.selection.viewportCappedStartRow=0,this.selection.viewportCappedEndRow=0,this.selection.startCol=0,this.selection.endCol=0},t}();e.RenderModel=o},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.getLuminance=function(t){return(.299*(t.rgba>>24&255)+.587*(t.rgba>>16&255)+.114*(t.rgba>>8&255))/255}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(9),o=i(1),n=function(){function t(t,e,i,r,o){this._container=t,this._alpha=r,this._colors=o,this._scaledCharWidth=0,this._scaledCharHeight=0,this._scaledCellWidth=0,this._scaledCellHeight=0,this._scaledCharLeft=0,this._scaledCharTop=0,this._currentGlyphIdentifier={chars:"",code:0,bg:0,fg:0,bold:!1,dim:!1,italic:!1},this._canvas=document.createElement("canvas"),this._canvas.classList.add("xterm-"+e+"-layer"),this._canvas.style.zIndex=i.toString(),this._initCanvas(),this._container.appendChild(this._canvas)}return t.prototype.dispose=function(){this._container.removeChild(this._canvas),this._charAtlas&&this._charAtlas.dispose()},t.prototype._initCanvas=function(){this._ctx=o.throwIfFalsy(this._canvas.getContext("2d",{alpha:this._alpha})),this._alpha||this._clearAll()},t.prototype.onOptionsChanged=function(t){},t.prototype.onBlur=function(t){},t.prototype.onFocus=function(t){},t.prototype.onCursorMove=function(t){},t.prototype.onGridChanged=function(t,e,i){},t.prototype.onSelectionChanged=function(t,e,i,r){void 0===r&&(r=!1)},t.prototype.setColors=function(t,e){this._refreshCharAtlas(t,e)},t.prototype._setTransparency=function(t,e){if(e!==this._alpha){var i=this._canvas;this._alpha=e,this._canvas=this._canvas.cloneNode(),this._initCanvas(),this._container.replaceChild(this._canvas,i),this._refreshCharAtlas(t,this._colors),this.onGridChanged(t,0,t.rows-1)}},t.prototype._refreshCharAtlas=function(t,e){this._scaledCharWidth<=0&&this._scaledCharHeight<=0||(this._charAtlas=r.acquireCharAtlas(t,e,this._scaledCharWidth,this._scaledCharHeight),this._charAtlas.warmUp())},t.prototype.resize=function(t,e){this._scaledCellWidth=e.scaledCellWidth,this._scaledCellHeight=e.scaledCellHeight,this._scaledCharWidth=e.scaledCharWidth,this._scaledCharHeight=e.scaledCharHeight,this._scaledCharLeft=e.scaledCharLeft,this._scaledCharTop=e.scaledCharTop,this._canvas.width=e.scaledCanvasWidth,this._canvas.height=e.scaledCanvasHeight,this._canvas.style.width=e.canvasWidth+"px",this._canvas.style.height=e.canvasHeight+"px",this._alpha||this._clearAll(),this._refreshCharAtlas(t,this._colors)},t.prototype._fillCells=function(t,e,i,r){this._ctx.fillRect(t*this._scaledCellWidth,e*this._scaledCellHeight,i*this._scaledCellWidth,r*this._scaledCellHeight)},t.prototype._fillBottomLineAtCells=function(t,e,i){void 0===i&&(i=1),this._ctx.fillRect(t*this._scaledCellWidth,(e+1)*this._scaledCellHeight-window.devicePixelRatio-1,i*this._scaledCellWidth,window.devicePixelRatio)},t.prototype._fillLeftLineAtCell=function(t,e){this._ctx.fillRect(t*this._scaledCellWidth,e*this._scaledCellHeight,window.devicePixelRatio,this._scaledCellHeight)},t.prototype._strokeRectAtCell=function(t,e,i,r){this._ctx.lineWidth=window.devicePixelRatio,this._ctx.strokeRect(t*this._scaledCellWidth+window.devicePixelRatio/2,e*this._scaledCellHeight+window.devicePixelRatio/2,i*this._scaledCellWidth-window.devicePixelRatio,r*this._scaledCellHeight-window.devicePixelRatio)},t.prototype._clearAll=function(){this._alpha?this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height):(this._ctx.fillStyle=this._colors.background.css,this._ctx.fillRect(0,0,this._canvas.width,this._canvas.height))},t.prototype._clearCells=function(t,e,i,r){this._alpha?this._ctx.clearRect(t*this._scaledCellWidth,e*this._scaledCellHeight,i*this._scaledCellWidth,r*this._scaledCellHeight):(this._ctx.fillStyle=this._colors.background.css,this._ctx.fillRect(t*this._scaledCellWidth,e*this._scaledCellHeight,i*this._scaledCellWidth,r*this._scaledCellHeight))},t.prototype._fillCharTrueColor=function(t,e,i,r){this._ctx.font=this._getFont(t,!1,!1),this._ctx.textBaseline="middle",this._clipRow(t,r),this._ctx.fillText(e.getChars(),i*this._scaledCellWidth+this._scaledCharLeft,r*this._scaledCellHeight+this._scaledCharTop+this._scaledCharHeight/2)},t.prototype._clipRow=function(t,e){this._ctx.beginPath(),this._ctx.rect(0,e*this._scaledCellHeight,t.cols*this._scaledCellWidth,this._scaledCellHeight),this._ctx.clip()},t.prototype._getFont=function(t,e,i){var r=e?t.getOption("fontWeightBold"):t.getOption("fontWeight");return(i?"italic":"")+" "+r+" "+t.getOption("fontSize")*window.devicePixelRatio+"px "+t.getOption("fontFamily")},t}();e.BaseRenderLayer=n},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(2),o=i(15),n=[];e.acquireCharAtlas=function(t,e,i,s){for(var a=r.generateConfig(i,s,t,e),l=0;l<n.length;l++){var c=(h=n[l]).ownedBy.indexOf(t);if(c>=0){if(r.configEquals(h.config,a))return h.atlas;1===h.ownedBy.length?(h.atlas.dispose(),n.splice(l,1)):h.ownedBy.splice(c,1);break}}for(l=0;l<n.length;l++){var h=n[l];if(r.configEquals(h.config,a))return h.ownedBy.push(t),h.atlas}var _={atlas:new o.WebglCharAtlas(document,a),config:a,ownedBy:[t]};return n.push(_),_.atlas},e.removeTerminalFromCache=function(t){for(var e=0;e<n.length;e++){var i=n[e].ownedBy.indexOf(t);if(-1!==i){1===n[e].ownedBy.length?(n[e].atlas.dispose(),n.splice(e,1)):n[e].ownedBy.splice(i,1);break}}}},function(t,e,i){"use strict";var r=this&&this.__extends||function(){var t=function(e,i){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i])})(e,i)};return function(e,i){function r(){this.constructor=e}t(e,i),e.prototype=null===i?Object.create(i):(r.prototype=i.prototype,new r)}}();Object.defineProperty(e,"__esModule",{value:!0});var o=i(17),n=i(0),s=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.content=0,e.fg=0,e.bg=0,e.combinedData="",e}return r(e,t),e.fromCharData=function(t){var i=new e;return i.setFromCharData(t),i},e.prototype.isCombined=function(){return 2097152&this.content},e.prototype.getWidth=function(){return this.content>>22},e.prototype.getChars=function(){return 2097152&this.content?this.combinedData:2097151&this.content?o.stringFromCodePoint(2097151&this.content):""},e.prototype.getCode=function(){return this.isCombined()?this.combinedData.charCodeAt(this.combinedData.length-1):2097151&this.content},e.prototype.setFromCharData=function(t){this.fg=t[n.CHAR_DATA_ATTR_INDEX],this.bg=0;var e=!1;if(t[n.CHAR_DATA_CHAR_INDEX].length>2)e=!0;else if(2===t[n.CHAR_DATA_CHAR_INDEX].length){var i=t[n.CHAR_DATA_CHAR_INDEX].charCodeAt(0);if(55296<=i&&i<=56319){var r=t[n.CHAR_DATA_CHAR_INDEX].charCodeAt(1);56320<=r&&r<=57343?this.content=1024*(i-55296)+r-56320+65536|t[n.CHAR_DATA_WIDTH_INDEX]<<22:e=!0}else e=!0}else this.content=t[n.CHAR_DATA_CHAR_INDEX].charCodeAt(0)|t[n.CHAR_DATA_WIDTH_INDEX]<<22;e&&(this.combinedData=t[n.CHAR_DATA_CHAR_INDEX],this.content=2097152|t[n.CHAR_DATA_WIDTH_INDEX]<<22)},e.prototype.getAsCharData=function(){return[this.fg,this.getChars(),this.getWidth(),this.getCode()]},e}(i(18).AttributeData);e.CellData=s},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(5),o=function(){function t(t){this._preserveDrawingBuffer=t}return t.prototype.activate=function(t){if(!t.element)throw new Error("Cannot activate WebglRendererAddon before Terminal.open");var e=t._core._renderService,i=t._core._colorManager.colors;e.setRenderer(new r.WebglRenderer(t,i,this._preserveDrawingBuffer))},t.prototype.dispose=function(){throw new Error("WebglRendererAddon.dispose Not yet implemented")},t}();e.WebglAddon=o},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(1),o=i(5),n=i(6),s=i(4),a=i(13),l=i(0),c=i(7),h="#version 300 es\nlayout (location = 0) in vec2 a_unitquad;\nlayout (location = 1) in vec2 a_cellpos;\nlayout (location = 2) in vec2 a_offset;\nlayout (location = 3) in vec2 a_size;\nlayout (location = 4) in vec2 a_texcoord;\nlayout (location = 5) in vec2 a_texsize;\n\nuniform mat4 u_projection;\nuniform vec2 u_resolution;\n\nout vec2 v_texcoord;\n\nvoid main() {\n  vec2 zeroToOne = (a_offset / u_resolution) + a_cellpos + (a_unitquad * a_size);\n  gl_Position = u_projection * vec4(zeroToOne, 0.0, 1.0);\n  v_texcoord = a_texcoord + a_unitquad * a_texsize;\n}",_="#version 300 es\nprecision lowp float;\n\nin vec2 v_texcoord;\n\nuniform sampler2D u_texture;\n\nout vec4 outColor;\n\nvoid main() {\n  outColor = texture(u_texture, v_texcoord);\n}",d=10*Float32Array.BYTES_PER_ELEMENT,u=function(){function t(t,e,i,o){this._terminal=t,this._colors=e,this._gl=i,this._dimensions=o,this._activeBuffer=0,this._vertices={count:0,attributes:new Float32Array(0),attributesBuffers:[new Float32Array(0),new Float32Array(0)],selectionAttributes:new Float32Array(0)};var n=this._gl,s=r.throwIfFalsy(r.createProgram(n,h,_));if(void 0===s)throw new Error("Could not create WebGL program");this._program=s,this._projectionLocation=r.throwIfFalsy(n.getUniformLocation(this._program,"u_projection")),this._resolutionLocation=r.throwIfFalsy(n.getUniformLocation(this._program,"u_resolution")),this._textureLocation=r.throwIfFalsy(n.getUniformLocation(this._program,"u_texture")),this._vertexArrayObject=n.createVertexArray(),n.bindVertexArray(this._vertexArrayObject);var a=new Float32Array([0,0,1,0,0,1,1,1]),l=n.createBuffer();n.bindBuffer(n.ARRAY_BUFFER,l),n.bufferData(n.ARRAY_BUFFER,a,n.STATIC_DRAW),n.enableVertexAttribArray(0),n.vertexAttribPointer(0,2,this._gl.FLOAT,!1,0,0);var c=new Uint8Array([0,1,3,0,2,3]),u=n.createBuffer();n.bindBuffer(n.ELEMENT_ARRAY_BUFFER,u),n.bufferData(n.ELEMENT_ARRAY_BUFFER,c,n.STATIC_DRAW),this._attributesBuffer=r.throwIfFalsy(n.createBuffer()),n.bindBuffer(n.ARRAY_BUFFER,this._attributesBuffer),n.enableVertexAttribArray(2),n.vertexAttribPointer(2,2,n.FLOAT,!1,d,0),n.vertexAttribDivisor(2,1),n.enableVertexAttribArray(3),n.vertexAttribPointer(3,2,n.FLOAT,!1,d,2*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(3,1),n.enableVertexAttribArray(4),n.vertexAttribPointer(4,2,n.FLOAT,!1,d,4*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(4,1),n.enableVertexAttribArray(5),n.vertexAttribPointer(5,2,n.FLOAT,!1,d,6*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(5,1),n.enableVertexAttribArray(1),n.vertexAttribPointer(1,2,n.FLOAT,!1,d,8*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(1,1),this._atlasTexture=r.throwIfFalsy(n.createTexture()),n.bindTexture(n.TEXTURE_2D,this._atlasTexture),n.texImage2D(n.TEXTURE_2D,0,n.RGBA,1,1,0,n.RGBA,n.UNSIGNED_BYTE,new Uint8Array([0,0,255,255])),n.texParameteri(n.TEXTURE_2D,n.TEXTURE_WRAP_S,n.CLAMP_TO_EDGE),n.texParameteri(n.TEXTURE_2D,n.TEXTURE_WRAP_T,n.CLAMP_TO_EDGE),n.enable(n.BLEND),n.blendFunc(n.SRC_ALPHA,n.ONE_MINUS_SRC_ALPHA),this.onResize()}return t.prototype.beginFrame=function(){return!this._atlas||this._atlas.beginFrame()},t.prototype.updateCell=function(t,e,i,r,o,n,s){this._updateCell(this._vertices.attributes,t,e,i,r,o,n,s)},t.prototype._updateCell=function(t,e,i,r,o,n,a,c){var h=10*(i*this._terminal.cols+e);if(r!==l.NULL_CELL_CODE&&r!==l.WHITESPACE_CELL_CODE&&void 0!==r){var _;if(!this._atlas)throw new Error("atlas must be set before updating cell");(_=c&&c.length>1?this._atlas.getRasterizedGlyphCombinedChar(c,o,n,a):this._atlas.getRasterizedGlyph(r,o,n,a))?(t[h]=-_.offset.x+this._dimensions.scaledCharLeft,t[h+1]=-_.offset.y+this._dimensions.scaledCharTop,t[h+2]=_.size.x/this._dimensions.scaledCanvasWidth,t[h+3]=_.size.y/this._dimensions.scaledCanvasHeight,t[h+4]=_.texturePositionClipSpace.x,t[h+5]=_.texturePositionClipSpace.y,t[h+6]=_.sizeClipSpace.x,t[h+7]=_.sizeClipSpace.y):s.fill(t,0,h,h+10-1-2)}else s.fill(t,0,h,h+10-1-2)},t.prototype.updateSelection=function(t,e){var i=this._terminal;this._vertices.selectionAttributes=a.slice(this._vertices.attributes,0);var r=c.getLuminance(this._colors.background),o=r>.5?7:0,n=r>.5?0:7;if(e)for(var s=t.selection.startCol,l=t.selection.endCol-s,h=t.selection.viewportCappedEndRow-t.selection.viewportCappedStartRow+1,_=t.selection.viewportCappedStartRow;_<t.selection.viewportCappedStartRow+h;_++)this._updateSelectionRange(s,s+l,_,t,n,o);else{s=t.selection.viewportStartRow===t.selection.viewportCappedStartRow?t.selection.startCol:0;var d=t.selection.viewportCappedStartRow===t.selection.viewportCappedEndRow?t.selection.endCol:i.cols;this._updateSelectionRange(s,d,t.selection.viewportCappedStartRow,t,n,o);var u=Math.max(t.selection.viewportCappedEndRow-t.selection.viewportCappedStartRow-1,0);for(_=t.selection.viewportCappedStartRow+1;_<=t.selection.viewportCappedStartRow+u;_++)this._updateSelectionRange(0,d,_,t,n,o);if(t.selection.viewportCappedStartRow!==t.selection.viewportCappedEndRow){var f=t.selection.viewportEndRow===t.selection.viewportCappedEndRow?t.selection.endCol:i.cols;this._updateSelectionRange(0,f,t.selection.viewportCappedEndRow,t,n,o)}}},t.prototype._updateSelectionRange=function(t,e,i,r,s,a){for(var l,c=this._terminal,h=i+c.buffer.viewportY,_=t;_<e;_++){var d=(i*this._terminal.cols+_)*o.INDICIES_PER_CELL,u=r.cells[d+1];if(u=-262144&u|s<<9|a,r.cells[d]&n.COMBINED_CHAR_BIT_MASK){l||(l=c.buffer.getLine(h));var f=l.getCell(_).char;this._updateCell(this._vertices.selectionAttributes,_,i,r.cells[d],u,s,a,f)}else this._updateCell(this._vertices.selectionAttributes,_,i,r.cells[d],u,s,a)}},t.prototype.onResize=function(){var t=this._terminal,e=this._gl;e.viewport(0,0,e.canvas.width,e.canvas.height);var i=t.cols*t.rows*10;if(this._vertices.count!==i){this._vertices.count=i,this._vertices.attributes=new Float32Array(i);for(var r=0;r<this._vertices.attributesBuffers.length;r++)this._vertices.attributesBuffers[r]=new Float32Array(i);for(var o=0,n=0;n<t.rows;n++)for(var s=0;s<t.cols;s++)this._vertices.attributes[o+8]=s/t.cols,this._vertices.attributes[o+9]=n/t.rows,o+=10}},t.prototype.setColors=function(){},t.prototype.render=function(t,e){if(this._atlas){var i=this._gl;i.useProgram(this._program),i.bindVertexArray(this._vertexArrayObject),this._activeBuffer=(this._activeBuffer+1)%2;for(var o=this._vertices.attributesBuffers[this._activeBuffer],n=0,s=0;s<t.lineLengths.length;s++){var a=s*this._terminal.cols*10,l=(e?this._vertices.selectionAttributes:this._vertices.attributes).subarray(a,a+10*t.lineLengths[s]);o.set(l,n),n+=l.length}i.bindBuffer(i.ARRAY_BUFFER,this._attributesBuffer),i.bufferData(i.ARRAY_BUFFER,o.subarray(0,n),i.STREAM_DRAW),this._atlas.hasCanvasChanged&&(this._atlas.hasCanvasChanged=!1,i.uniform1i(this._textureLocation,0),i.activeTexture(i.TEXTURE0+0),i.bindTexture(i.TEXTURE_2D,this._atlasTexture),i.texImage2D(i.TEXTURE_2D,0,i.RGBA,i.RGBA,i.UNSIGNED_BYTE,this._atlas.cacheCanvas),i.generateMipmap(i.TEXTURE_2D)),i.uniformMatrix4fv(this._projectionLocation,!1,r.PROJECTION_MATRIX),i.uniform2f(this._resolutionLocation,i.canvas.width,i.canvas.height),i.drawElementsInstanced(i.TRIANGLES,6,i.UNSIGNED_BYTE,0,n/10)}},t.prototype.setAtlas=function(t){var e=this._gl;this._atlas=t,e.bindTexture(e.TEXTURE_2D,this._atlasTexture),e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,t.cacheCanvas),e.generateMipmap(e.TEXTURE_2D)},t.prototype.setDimensions=function(t){this._dimensions=t},t}();e.GlyphRenderer=u},function(t,e,i){"use strict";function r(t,e,i){void 0===e&&(e=0),void 0===i&&(i=t.length),e<0&&(e=(t.length+e)%t.length),i=i>=t.length?t.length:(t.length+i)%t.length,e=Math.min(e,i);for(var r=new t.constructor(i-e),o=0;o<i-e;++o)r[o]=t[o+e];return r}Object.defineProperty(e,"__esModule",{value:!0}),e.slice=function(t,e,i){return t.slice?t.slice(e,i):r(t,e,i)},e.sliceFallback=r},function(t,e,i){"use strict";var r=this&&this.__extends||function(){var t=function(e,i){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i])})(e,i)};return function(e,i){function r(){this.constructor=e}t(e,i),e.prototype=null===i?Object.create(i):(r.prototype=i.prototype,new r)}}();Object.defineProperty(e,"__esModule",{value:!0});var o=i(8),n=i(3),s=i(2),a=function(t){function e(e,i,r,o){var n=t.call(this,e,"link",i,!0,r)||this;return o.linkifier.onLinkHover(function(t){return n._onLinkHover(t)}),o.linkifier.onLinkLeave(function(t){return n._onLinkLeave(t)}),n}return r(e,t),e.prototype.resize=function(e,i){t.prototype.resize.call(this,e,i),this._state=void 0},e.prototype.reset=function(t){this._clearCurrentLink()},e.prototype._clearCurrentLink=function(){if(this._state){this._clearCells(this._state.x1,this._state.y1,this._state.cols-this._state.x1,1);var t=this._state.y2-this._state.y1-1;t>0&&this._clearCells(0,this._state.y1+1,this._state.cols,t),this._clearCells(0,this._state.y2,this._state.x2,1),this._state=void 0}},e.prototype._onLinkHover=function(t){if(t.fg===n.INVERTED_DEFAULT_COLOR?this._ctx.fillStyle=this._colors.background.css:s.is256Color(t.fg)?this._ctx.fillStyle=this._colors.ansi[t.fg].css:this._ctx.fillStyle=this._colors.foreground.css,t.y1===t.y2)this._fillBottomLineAtCells(t.x1,t.y1,t.x2-t.x1);else{this._fillBottomLineAtCells(t.x1,t.y1,t.cols-t.x1);for(var e=t.y1+1;e<t.y2;e++)this._fillBottomLineAtCells(0,e,t.cols);this._fillBottomLineAtCells(0,t.y2,t.x2)}this._state=t},e.prototype._onLinkLeave=function(t){this._clearCurrentLink()},e}(o.BaseRenderLayer);e.LinkRenderLayer=a},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(3),o=i(0),n=i(2),s=i(1),a=1024,l=1024,c=Math.floor(.8*l),h={css:"rgba(0, 0, 0, 0)",rgba:0},_={offset:{x:0,y:0},texturePosition:{x:0,y:0},texturePositionClipSpace:{x:0,y:0},size:{x:0,y:0},sizeClipSpace:{x:0,y:0}},d=2,u=function(){function t(t,e){this._config=e,this._didWarmUp=!1,this._cacheMap={},this._cacheMapCombined={},this._currentRowY=0,this._currentRowX=0,this._currentRowHeight=0,this.hasCanvasChanged=!1,this._workBoundingBox={top:0,left:0,bottom:0,right:0},this.cacheCanvas=t.createElement("canvas"),this.cacheCanvas.width=a,this.cacheCanvas.height=l,this._cacheCtx=s.throwIfFalsy(this.cacheCanvas.getContext("2d",{alpha:!0})),this._tmpCanvas=t.createElement("canvas"),this._tmpCanvas.width=2*this._config.scaledCharWidth+2*d,this._tmpCanvas.height=this._config.scaledCharHeight+2*d,this._tmpCtx=s.throwIfFalsy(this._tmpCanvas.getContext("2d",{alpha:this._config.allowTransparency})),t.body.appendChild(this.cacheCanvas)}return t.prototype.dispose=function(){this.cacheCanvas.parentElement&&this.cacheCanvas.parentElement.removeChild(this.cacheCanvas)},t.prototype.warmUp=function(){this._didWarmUp||(this._doWarmUp(),this._didWarmUp=!0)},t.prototype._doWarmUp=function(){for(var t,e=33;e<126;e++){var i=this._drawToCache(e,o.DEFAULT_ATTR,o.DEFAULT_COLOR,o.DEFAULT_COLOR);this._cacheMap[e]=((t={})[o.DEFAULT_ATTR]=i,t)}},t.prototype.beginFrame=function(){return this._currentRowY>c&&(this._cacheCtx.clearRect(0,0,a,l),this._cacheMap={},this._currentRowHeight=0,this._currentRowX=0,this._currentRowY=0,this._doWarmUp(),!0)},t.prototype.getRasterizedGlyphCombinedChar=function(t,e,i,r){var o=this._cacheMapCombined[t];o||(o={},this._cacheMapCombined[t]=o);var n=o[e];return n||(n=this._drawToCache(t,e,i,r),o[e]=n),n},t.prototype.getRasterizedGlyph=function(t,e,i,r){var o=this._cacheMap[t];o||(o={},this._cacheMap[t]=o);var n=o[e];return n||(n=this._drawToCache(t,e,i,r),o[e]=n),n},t.prototype._getColorFromAnsiIndex=function(t){if(t>=this._config.colors.ansi.length)throw new Error("No color found for idx "+t);return this._config.colors.ansi[t]},t.prototype._getBackgroundColor=function(t){return this._config.allowTransparency?h:t===r.INVERTED_DEFAULT_COLOR?this._config.colors.foreground:n.is256Color(t)?this._getColorFromAnsiIndex(t):this._config.colors.background},t.prototype._getForegroundColor=function(t){return t===r.INVERTED_DEFAULT_COLOR?this._config.colors.background:n.is256Color(t)?this._getColorFromAnsiIndex(t):this._config.colors.foreground},t.prototype._drawToCache=function(t,e,i,o){var n="number"==typeof t?String.fromCharCode(t):t;this.hasCanvasChanged=!0;var s=e>>18,c=!!(1&s),h=!!(32&s),u=!!(64&s);this._tmpCtx.save();var f=this._getBackgroundColor(i);this._tmpCtx.globalCompositeOperation="copy",this._tmpCtx.fillStyle=f.css,this._tmpCtx.fillRect(0,0,this._tmpCanvas.width,this._tmpCanvas.height),this._tmpCtx.globalCompositeOperation="source-over";var p=c?this._config.fontWeightBold:this._config.fontWeight,v=u?"italic":"";this._tmpCtx.font=v+" "+p+" "+this._config.fontSize*this._config.devicePixelRatio+"px "+this._config.fontFamily,this._tmpCtx.textBaseline="top",this._tmpCtx.fillStyle=this._getForegroundColor(o).css,h&&(this._tmpCtx.globalAlpha=r.DIM_OPACITY),this._tmpCtx.fillText(n,d,d),this._tmpCtx.restore();var C=this._tmpCtx.getImageData(0,0,this._tmpCanvas.width,this._tmpCanvas.height);if(function(t,e){for(var i=!0,r=e.rgba>>>24,o=e.rgba>>>16&255,n=e.rgba>>>8&255,s=0;s<t.data.length;s+=4)t.data[s]===r&&t.data[s+1]===o&&t.data[s+2]===n?t.data[s+3]=0:i=!1;return i}(C,f))return _;var g=this._findGlyphBoundingBox(C,this._workBoundingBox),m=this._clipImageData(C,this._workBoundingBox);return this._currentRowX+this._config.scaledCharWidth>a&&(this._currentRowX=0,this._currentRowY+=this._currentRowHeight,this._currentRowHeight=0),g.texturePosition.x=this._currentRowX,g.texturePosition.y=this._currentRowY,g.texturePositionClipSpace.x=this._currentRowX/a,g.texturePositionClipSpace.y=this._currentRowY/l,this._currentRowHeight=Math.max(this._currentRowHeight,g.size.y),this._currentRowX+=g.size.x,this._cacheCtx.putImageData(m,g.texturePosition.x,g.texturePosition.y),g},t.prototype._findGlyphBoundingBox=function(t,e){e.top=0;for(var i=!1,r=0;r<this._tmpCanvas.height;r++){for(var o=0;o<this._tmpCanvas.width;o++){var n=r*this._tmpCanvas.width*4+4*o+3;if(0!==t.data[n]){e.top=r,i=!0;break}}if(i)break}e.left=0,i=!1;for(o=0;o<this._tmpCanvas.width;o++){for(r=0;r<this._tmpCanvas.height;r++){n=r*this._tmpCanvas.width*4+4*o+3;if(0!==t.data[n]){e.left=o,i=!0;break}}if(i)break}e.right=this._tmpCanvas.width,i=!1;for(o=this._tmpCanvas.width-1;o>=0;o--){for(r=0;r<this._tmpCanvas.height;r++){n=r*this._tmpCanvas.width*4+4*o+3;if(0!==t.data[n]){e.right=o,i=!0;break}}if(i)break}e.bottom=this._tmpCanvas.height,i=!1;for(r=this._tmpCanvas.height-1;r>=0;r--){for(o=0;o<this._tmpCanvas.width;o++){n=r*this._tmpCanvas.width*4+4*o+3;if(0!==t.data[n]){e.bottom=r,i=!0;break}}if(i)break}return{texturePosition:{x:0,y:0},texturePositionClipSpace:{x:0,y:0},size:{x:e.right-e.left+1,y:e.bottom-e.top+1},sizeClipSpace:{x:(e.right-e.left+1)/a,y:(e.bottom-e.top+1)/l},offset:{x:-e.left+d,y:-e.top+d}}},t.prototype._clipImageData=function(t,e){for(var i=e.right-e.left+1,r=e.bottom-e.top+1,o=new Uint8ClampedArray(i*r*4),n=e.top;n<=e.bottom;n++)for(var s=e.left;s<=e.right;s++){var a=n*this._tmpCanvas.width*4+4*s,l=(n-e.top)*i*4+4*(s-e.left);o[l]=t.data[a],o[l+1]=t.data[a+1],o[l+2]=t.data[a+2],o[l+3]=t.data[a+3]}return new ImageData(o,i,r)},t}();e.WebglCharAtlas=u},function(t,e,i){"use strict";var r=this&&this.__extends||function(){var t=function(e,i){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i])})(e,i)};return function(e,i){function r(){this.constructor=e}t(e,i),e.prototype=null===i?Object.create(i):(r.prototype=i.prototype,new r)}}();Object.defineProperty(e,"__esModule",{value:!0});var o=i(8),n=i(10),s=function(t){function e(e,i,r){var o=t.call(this,e,"cursor",i,!0,r)||this;return o._cell=new n.CellData,o._state={x:0,y:0,isFocused:!1,style:"",width:0},o._cursorRenderers={bar:o._renderBarCursor.bind(o),block:o._renderBlockCursor.bind(o),underline:o._renderUnderlineCursor.bind(o)},o}return r(e,t),e.prototype.resize=function(e,i){t.prototype.resize.call(this,e,i),this._state={x:0,y:0,isFocused:!1,style:"",width:0}},e.prototype.reset=function(t){this._clearCursor(),this._cursorBlinkStateManager&&(this._cursorBlinkStateManager.dispose(),this.onOptionsChanged(t))},e.prototype.onBlur=function(t){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.pause(),t.refresh(t.buffer.cursorY,t.buffer.cursorY)},e.prototype.onFocus=function(t){this._cursorBlinkStateManager?this._cursorBlinkStateManager.resume(t):t.refresh(t.buffer.cursorY,t.buffer.cursorY)},e.prototype.onOptionsChanged=function(t){var e=this;t.getOption("cursorBlink")?this._cursorBlinkStateManager||(this._cursorBlinkStateManager=new a(t,function(){e._render(t,!0)})):(this._cursorBlinkStateManager&&this._cursorBlinkStateManager.dispose(),t.refresh(t.buffer.cursorY,t.buffer.cursorY))},e.prototype.onCursorMove=function(t){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.restartBlinkAnimation(t)},e.prototype.onGridChanged=function(t,e,i){!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isPaused?this._render(t,!1):this._cursorBlinkStateManager.restartBlinkAnimation(t)},e.prototype._render=function(t,e){if(t._core.cursorState&&!t._core.cursorHidden){var i=t.buffer.baseY+t.buffer.cursorY,r=i-t.buffer.viewportY;if(r<0||r>=t.rows)this._clearCursor();else if(t._core.buffer.lines.get(i).loadCell(t.buffer.cursorX,this._cell),void 0!==this._cell.content){if(!l(t))return this._clearCursor(),this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._renderBlurCursor(t,t.buffer.cursorX,r,this._cell),this._ctx.restore(),this._state.x=t.buffer.cursorX,this._state.y=r,this._state.isFocused=!1,this._state.style=t.getOption("cursorStyle"),void(this._state.width=this._cell.getWidth());if(!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isCursorVisible){if(this._state){if(this._state.x===t.buffer.cursorX&&this._state.y===r&&this._state.isFocused===l(t)&&this._state.style===t.getOption("cursorStyle")&&this._state.width===this._cell.getWidth())return;this._clearCursor()}this._ctx.save(),this._cursorRenderers[t.getOption("cursorStyle")||"block"](t,t.buffer.cursorX,r,this._cell),this._ctx.restore(),this._state.x=t.buffer.cursorX,this._state.y=r,this._state.isFocused=!1,this._state.style=t.getOption("cursorStyle"),this._state.width=this._cell.getWidth()}else this._clearCursor()}}else this._clearCursor()},e.prototype._clearCursor=function(){this._state&&(this._clearCells(this._state.x,this._state.y,this._state.width,1),this._state={x:0,y:0,isFocused:!1,style:"",width:0})},e.prototype._renderBarCursor=function(t,e,i,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._fillLeftLineAtCell(e,i),this._ctx.restore()},e.prototype._renderBlockCursor=function(t,e,i,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._fillCells(e,i,r.getWidth(),1),this._ctx.fillStyle=this._colors.cursorAccent.css,this._fillCharTrueColor(t,r,e,i),this._ctx.restore()},e.prototype._renderUnderlineCursor=function(t,e,i,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._fillBottomLineAtCells(e,i),this._ctx.restore()},e.prototype._renderBlurCursor=function(t,e,i,r){this._ctx.save(),this._ctx.strokeStyle=this._colors.cursor.css,this._strokeRectAtCell(e,i,r.getWidth(),1),this._ctx.restore()},e}(o.BaseRenderLayer);e.CursorRenderLayer=s;var a=function(){function t(t,e){this._renderCallback=e,this.isCursorVisible=!0,l(t)&&this._restartInterval()}return Object.defineProperty(t.prototype,"isPaused",{get:function(){return!(this._blinkStartTimeout||this._blinkInterval)},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){this._blinkInterval&&(window.clearInterval(this._blinkInterval),this._blinkInterval=void 0),this._blinkStartTimeout&&(window.clearTimeout(this._blinkStartTimeout),this._blinkStartTimeout=void 0),this._animationFrame&&(window.cancelAnimationFrame(this._animationFrame),this._animationFrame=void 0)},t.prototype.restartBlinkAnimation=function(t){var e=this;this.isPaused||(this._animationTimeRestarted=Date.now(),this.isCursorVisible=!0,this._animationFrame||(this._animationFrame=window.requestAnimationFrame(function(){e._renderCallback(),e._animationFrame=void 0})))},t.prototype._restartInterval=function(t){var e=this;void 0===t&&(t=600),this._blinkInterval&&window.clearInterval(this._blinkInterval),this._blinkStartTimeout=setTimeout(function(){if(e._animationTimeRestarted){var t=600-(Date.now()-e._animationTimeRestarted);if(e._animationTimeRestarted=void 0,t>0)return void e._restartInterval(t)}e.isCursorVisible=!1,e._animationFrame=window.requestAnimationFrame(function(){e._renderCallback(),e._animationFrame=void 0}),e._blinkInterval=setInterval(function(){if(e._animationTimeRestarted){var t=600-(Date.now()-e._animationTimeRestarted);return e._animationTimeRestarted=void 0,void e._restartInterval(t)}e.isCursorVisible=!e.isCursorVisible,e._animationFrame=window.requestAnimationFrame(function(){e._renderCallback(),e._animationFrame=void 0})},600)},t)},t.prototype.pause=function(){this.isCursorVisible=!0,this._blinkInterval&&(window.clearInterval(this._blinkInterval),this._blinkInterval=void 0),this._blinkStartTimeout&&(window.clearTimeout(this._blinkStartTimeout),this._blinkStartTimeout=void 0),this._animationFrame&&(window.cancelAnimationFrame(this._animationFrame),this._animationFrame=void 0)},t.prototype.resume=function(t){this._animationTimeRestarted=void 0,this._restartInterval(),this.restartBlinkAnimation(t)},t}();function l(t){return document.activeElement===t.textarea&&document.hasFocus()}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.stringFromCodePoint=function(t){return t>65535?(t-=65536,String.fromCharCode(55296+(t>>10))+String.fromCharCode(t%1024+56320)):String.fromCharCode(t)},e.utf32ToString=function(t,e,i){void 0===e&&(e=0),void 0===i&&(i=t.length);for(var r="",o=e;o<i;++o){var n=t[o];n>65535?(n-=65536,r+=String.fromCharCode(55296+(n>>10))+String.fromCharCode(n%1024+56320)):r+=String.fromCharCode(n)}return r};var r=function(){function t(){this._interim=0}return t.prototype.clear=function(){this._interim=0},t.prototype.decode=function(t,e){var i=t.length;if(!i)return 0;var r=0,o=0;this._interim&&(56320<=(a=t.charCodeAt(o++))&&a<=57343?e[r++]=1024*(this._interim-55296)+a-56320+65536:(e[r++]=this._interim,e[r++]=a),this._interim=0);for(var n=o;n<i;++n){var s=t.charCodeAt(n);if(55296<=s&&s<=56319){if(++n>=i)return this._interim=s,r;var a;56320<=(a=t.charCodeAt(n))&&a<=57343?e[r++]=1024*(s-55296)+a-56320+65536:(e[r++]=s,e[r++]=a)}else e[r++]=s}return r},t}();e.StringToUtf32=r;var o=function(){function t(){this.interim=new Uint8Array(3)}return t.prototype.clear=function(){this.interim.fill(0)},t.prototype.decode=function(t,e){var i=t.length;if(!i)return 0;var r,o,n,s,a=0,l=0,c=0;if(this.interim[0]){var h=!1,_=this.interim[0];_&=192==(224&_)?31:224==(240&_)?15:7;for(var d=0,u=void 0;(u=63&this.interim[++d])&&d<4;)_<<=6,_|=u;for(var f=192==(224&this.interim[0])?2:224==(240&this.interim[0])?3:4,p=f-d;c<p;){if(c>=i)return 0;if(128!=(192&(u=t[c++]))){c--,h=!0;break}this.interim[d++]=u,_<<=6,_|=63&u}h||(2===f?_<128?c--:e[a++]=_:3===f?_<2048||_>=55296&&_<=57343||(e[a++]=_):l<65536||l>1114111||(e[a++]=_)),this.interim.fill(0)}for(var v=i-4,C=c;C<i;){for(;!(!(C<v)||128&(r=t[C])||128&(o=t[C+1])||128&(n=t[C+2])||128&(s=t[C+3]));)e[a++]=r,e[a++]=o,e[a++]=n,e[a++]=s,C+=4;if((r=t[C++])<128)e[a++]=r;else if(192==(224&r)){if(C>=i)return this.interim[0]=r,a;if(128!=(192&(o=t[C++]))){C--;continue}if((l=(31&r)<<6|63&o)<128){C--;continue}e[a++]=l}else if(224==(240&r)){if(C>=i)return this.interim[0]=r,a;if(128!=(192&(o=t[C++]))){C--;continue}if(C>=i)return this.interim[0]=r,this.interim[1]=o,a;if(128!=(192&(n=t[C++]))){C--;continue}if((l=(15&r)<<12|(63&o)<<6|63&n)<2048||l>=55296&&l<=57343)continue;e[a++]=l}else if(240==(248&r)){if(C>=i)return this.interim[0]=r,a;if(128!=(192&(o=t[C++]))){C--;continue}if(C>=i)return this.interim[0]=r,this.interim[1]=o,a;if(128!=(192&(n=t[C++]))){C--;continue}if(C>=i)return this.interim[0]=r,this.interim[1]=o,this.interim[2]=n,a;if(128!=(192&(s=t[C++]))){C--;continue}if((l=(7&r)<<18|(63&o)<<12|(63&n)<<6|63&s)<65536||l>1114111)continue;e[a++]=l}}return a},t}();e.Utf8ToUtf32=o},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function t(){this.fg=0,this.bg=0}return t.toColorRGB=function(t){return[t>>>16&255,t>>>8&255,255&t]},t.fromColorRGB=function(t){return(255&t[0])<<16|(255&t[1])<<8|255&t[2]},t.prototype.clone=function(){var e=new t;return e.fg=this.fg,e.bg=this.bg,e},t.prototype.isInverse=function(){return 67108864&this.fg},t.prototype.isBold=function(){return 134217728&this.fg},t.prototype.isUnderline=function(){return 268435456&this.fg},t.prototype.isBlink=function(){return 536870912&this.fg},t.prototype.isInvisible=function(){return 1073741824&this.fg},t.prototype.isItalic=function(){return 67108864&this.bg},t.prototype.isDim=function(){return 134217728&this.bg},t.prototype.getFgColorMode=function(){return 50331648&this.fg},t.prototype.getBgColorMode=function(){return 50331648&this.bg},t.prototype.isFgRGB=function(){return 50331648==(50331648&this.fg)},t.prototype.isBgRGB=function(){return 50331648==(50331648&this.bg)},t.prototype.isFgPalette=function(){return 16777216==(50331648&this.fg)||33554432==(50331648&this.fg)},t.prototype.isBgPalette=function(){return 16777216==(50331648&this.bg)||33554432==(50331648&this.bg)},t.prototype.isFgDefault=function(){return 0==(50331648&this.fg)},t.prototype.isBgDefault=function(){return 0==(50331648&this.bg)},t.prototype.getFgColor=function(){switch(50331648&this.fg){case 16777216:case 33554432:return 255&this.fg;case 50331648:return 16777215&this.fg;default:return-1}},t.prototype.getBgColor=function(){switch(50331648&this.bg){case 16777216:case 33554432:return 255&this.bg;case 50331648:return 16777215&this.bg;default:return-1}},t}();e.AttributeData=r},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(1),o=i(4),n=i(3),s=i(2),a=i(0),l="#version 300 es\nlayout (location = 0) in vec2 a_position;\nlayout (location = 1) in vec2 a_size;\nlayout (location = 2) in vec3 a_color;\nlayout (location = 3) in vec2 a_unitquad;\n\nuniform mat4 u_projection;\nuniform vec2 u_resolution;\n\nout vec3 v_color;\n\nvoid main() {\n  vec2 zeroToOne = (a_position + (a_unitquad * a_size)) / u_resolution;\n  gl_Position = u_projection * vec4(zeroToOne, 0.0, 1.0);\n  v_color = a_color;\n}",c="#version 300 es\nprecision lowp float;\n\nin vec3 v_color;\n\nout vec4 outColor;\n\nvoid main() {\n  outColor = vec4(v_color, 1);\n}",h=8,_=h*Float32Array.BYTES_PER_ELEMENT,d=20*h,u=function(){function t(t,e,i,o){this._terminal=t,this._colors=e,this._gl=i,this._dimensions=o,this._vertices={count:0,attributes:new Float32Array(d),selection:new Float32Array(3*h)};var n=this._gl;this._program=r.throwIfFalsy(r.createProgram(n,l,c)),this._resolutionLocation=r.throwIfFalsy(n.getUniformLocation(this._program,"u_resolution")),this._projectionLocation=r.throwIfFalsy(n.getUniformLocation(this._program,"u_projection")),this._vertexArrayObject=n.createVertexArray(),n.bindVertexArray(this._vertexArrayObject);var s=new Float32Array([0,0,1,0,0,1,1,1]),a=n.createBuffer();n.bindBuffer(n.ARRAY_BUFFER,a),n.bufferData(n.ARRAY_BUFFER,s,n.STATIC_DRAW),n.enableVertexAttribArray(3),n.vertexAttribPointer(3,2,this._gl.FLOAT,!1,0,0);var u=new Uint8Array([0,1,3,0,2,3]),f=n.createBuffer();n.bindBuffer(n.ELEMENT_ARRAY_BUFFER,f),n.bufferData(n.ELEMENT_ARRAY_BUFFER,u,n.STATIC_DRAW),this._attributesBuffer=r.throwIfFalsy(n.createBuffer()),n.bindBuffer(n.ARRAY_BUFFER,this._attributesBuffer),n.enableVertexAttribArray(0),n.vertexAttribPointer(0,2,n.FLOAT,!1,_,0),n.vertexAttribDivisor(0,1),n.enableVertexAttribArray(1),n.vertexAttribPointer(1,2,n.FLOAT,!1,_,2*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(1,1),n.enableVertexAttribArray(2),n.vertexAttribPointer(2,4,n.FLOAT,!1,_,4*Float32Array.BYTES_PER_ELEMENT),n.vertexAttribDivisor(2,1),this._updateCachedColors()}return t.prototype.render=function(){var t=this._gl;t.useProgram(this._program),t.bindVertexArray(this._vertexArrayObject),t.uniformMatrix4fv(this._projectionLocation,!1,r.PROJECTION_MATRIX),t.uniform2f(this._resolutionLocation,t.canvas.width,t.canvas.height),t.bindBuffer(t.ARRAY_BUFFER,this._attributesBuffer),t.bufferData(t.ARRAY_BUFFER,this._vertices.attributes,t.DYNAMIC_DRAW),t.drawElementsInstanced(this._gl.TRIANGLES,6,t.UNSIGNED_BYTE,0,this._vertices.count),t.bindBuffer(t.ARRAY_BUFFER,this._attributesBuffer),t.bufferData(t.ARRAY_BUFFER,this._vertices.selection,t.DYNAMIC_DRAW),t.drawElementsInstanced(this._gl.TRIANGLES,6,t.UNSIGNED_BYTE,0,3)},t.prototype.onResize=function(){this._updateViewportRectangle()},t.prototype.setColors=function(){this._updateCachedColors(),this._updateViewportRectangle()},t.prototype._updateCachedColors=function(){this._bgFloat=this._colorToFloat32Array(this._colors.background),this._selectionFloat=this._colorToFloat32Array(this._colors.selection)},t.prototype._updateViewportRectangle=function(){this._addRectangleFloat(this._vertices.attributes,0,0,0,this._terminal.cols*this._dimensions.scaledCellWidth,this._terminal.rows*this._dimensions.scaledCellHeight,this._bgFloat)},t.prototype.updateSelection=function(t,e){var i=this._terminal;if(t.hasSelection)if(e){var r=t.startCol,n=t.endCol-r,s=t.viewportCappedEndRow-t.viewportCappedStartRow+1;this._addRectangleFloat(this._vertices.selection,0,r*this._dimensions.scaledCellWidth,t.viewportCappedStartRow*this._dimensions.scaledCellHeight,n*this._dimensions.scaledCellWidth,s*this._dimensions.scaledCellHeight,this._selectionFloat),o.fill(this._vertices.selection,0,h)}else{r=t.viewportStartRow===t.viewportCappedStartRow?t.startCol:0;var a=t.viewportCappedStartRow===t.viewportCappedEndRow?t.endCol:i.cols;this._addRectangleFloat(this._vertices.selection,0,r*this._dimensions.scaledCellWidth,t.viewportCappedStartRow*this._dimensions.scaledCellHeight,(a-r)*this._dimensions.scaledCellWidth,this._dimensions.scaledCellHeight,this._selectionFloat);var l=Math.max(t.viewportCappedEndRow-t.viewportCappedStartRow-1,0);if(this._addRectangleFloat(this._vertices.selection,h,0,(t.viewportCappedStartRow+1)*this._dimensions.scaledCellHeight,i.cols*this._dimensions.scaledCellWidth,l*this._dimensions.scaledCellHeight,this._selectionFloat),t.viewportCappedStartRow!==t.viewportCappedEndRow){var c=t.viewportEndRow===t.viewportCappedEndRow?t.endCol:i.cols;this._addRectangleFloat(this._vertices.selection,2*h,0,t.viewportCappedEndRow*this._dimensions.scaledCellHeight,c*this._dimensions.scaledCellWidth,this._dimensions.scaledCellHeight,this._selectionFloat)}else o.fill(this._vertices.selection,0,2*h)}else o.fill(this._vertices.selection,0,0)},t.prototype.updateBackgrounds=function(t){for(var e=this._terminal,i=this._vertices,r=1,o=0;o<e.rows;o++){for(var n=-1,s=a.DEFAULT_COLOR,l=0;l<e.cols;l++){var c=4*(o*e.cols+l),_=t.cells[c+2];if(_!==s){if(s!==a.DEFAULT_COLOR){var d=r++*h;this._updateRectangle(i,d,s,n,l,o)}n=l,s=_}}if(s!==a.DEFAULT_COLOR){d=r++*h;this._updateRectangle(i,d,s,n,e.cols,o)}}i.count=r},t.prototype._updateRectangle=function(t,e,i,o,a,l){var c=null;c=i===n.INVERTED_DEFAULT_COLOR?this._colors.foreground:s.is256Color(i)?this._colors.ansi[i]:this._colors.foreground,t.attributes.length<e+4&&(t.attributes=r.expandFloat32Array(t.attributes,this._terminal.rows*this._terminal.cols*h));var _=o*this._dimensions.scaledCellWidth,d=l*this._dimensions.scaledCellHeight,u=(c.rgba>>24&255)/255,f=(c.rgba>>16&255)/255,p=(c.rgba>>8&255)/255;this._addRectangle(t.attributes,e,_,d,(a-o)*this._dimensions.scaledCellWidth,this._dimensions.scaledCellHeight,u,f,p,1)},t.prototype._addRectangle=function(t,e,i,r,o,n,s,a,l,c){t[e]=i,t[e+1]=r,t[e+2]=o,t[e+3]=n,t[e+4]=s,t[e+5]=a,t[e+6]=l,t[e+7]=c},t.prototype._addRectangleFloat=function(t,e,i,r,o,n,s){t[e]=i,t[e+1]=r,t[e+2]=o,t[e+3]=n,t[e+4]=s[0],t[e+5]=s[1],t[e+6]=s[2],t[e+7]=s[3]},t.prototype._colorToFloat32Array=function(t){return new Float32Array([(t.rgba>>24&255)/255,(t.rgba>>16&255)/255,(t.rgba>>8&255)/255,(255&t.rgba)/255])},t}();e.RectangleRenderer=u},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function t(){this._disposables=[],this._isDisposed=!1}return t.prototype.dispose=function(){this._isDisposed=!0,this._disposables.forEach(function(t){return t.dispose()}),this._disposables.length=0},t.prototype.register=function(t){this._disposables.push(t)},t.prototype.unregister=function(t){var e=this._disposables.indexOf(t);-1!==e&&this._disposables.splice(e,1)},t}();e.Disposable=r},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(10);e.getCompatAttr=function(t,e){var i=new r.CellData;return t.loadCell(e,i),(-1===i.getBgColor()?256:i.getBgColor())|(-1===i.getFgColor()?256:i.getFgColor())<<9|((i.isBold()?1:0)|(i.isUnderline()?2:0)|(i.isBlink()?4:0)|(i.isInverse()?8:0)|(i.isDim()?32:0)|(i.isItalic()?64:0))<<18}}])});
 //# sourceMappingURL=xterm-addon-webgl.js.map

out/atlas/CharAtlasUtils.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 var Constants_1 = require("common/buffer/Constants");
+var NULL_COLOR = {
+    css: '',
+    rgba: 0
+};
 function generateConfig(scaledCharWidth, scaledCharHeight, terminal, colors) {
@@ -8,5 +12,5 @@ var clonedColors = {
         background: colors.background,
-        cursor: null,
-        cursorAccent: null,
-        selection: null,
+        cursor: NULL_COLOR,
+        cursorAccent: NULL_COLOR,
+        selection: NULL_COLOR,
         ansi: colors.ansi.slice()
@@ -13,0 +17,0 @@ };

out/atlas/WebglCharAtlas.js

@@ -6,2 +6,3 @@ "use strict";
 var CharAtlasUtils_1 = require("./CharAtlasUtils");
+var WebglUtils_1 = require("../WebglUtils");
 var TEXTURE_WIDTH = 1024;
@@ -36,7 +37,7 @@ var TEXTURE_HEIGHT = 1024;
         this.cacheCanvas.height = TEXTURE_HEIGHT;
-        this._cacheCtx = this.cacheCanvas.getContext('2d', { alpha: true });
+        this._cacheCtx = WebglUtils_1.throwIfFalsy(this.cacheCanvas.getContext('2d', { alpha: true }));
         this._tmpCanvas = document.createElement('canvas');
         this._tmpCanvas.width = this._config.scaledCharWidth * 2 + TMP_CANVAS_GLYPH_PADDING * 2;
         this._tmpCanvas.height = this._config.scaledCharHeight + TMP_CANVAS_GLYPH_PADDING * 2;
-        this._tmpCtx = this._tmpCanvas.getContext('2d', { alpha: this._config.allowTransparency });
+        this._tmpCtx = WebglUtils_1.throwIfFalsy(this._tmpCanvas.getContext('2d', { alpha: this._config.allowTransparency }));
         document.body.appendChild(this.cacheCanvas);
@@ -43,0 +44,0 @@ }

out/GlyphRenderer.js

@@ -32,6 +32,10 @@ "use strict";
         var gl = this._gl;
-        this._program = WebglUtils_1.createProgram(gl, vertexShaderSource, fragmentShaderSource);
-        this._projectionLocation = gl.getUniformLocation(this._program, 'u_projection');
-        this._resolutionLocation = gl.getUniformLocation(this._program, 'u_resolution');
-        this._textureLocation = gl.getUniformLocation(this._program, 'u_texture');
+        var program = WebglUtils_1.throwIfFalsy(WebglUtils_1.createProgram(gl, vertexShaderSource, fragmentShaderSource));
+        if (program === undefined) {
+            throw new Error('Could not create WebGL program');
+        }
+        this._program = program;
+        this._projectionLocation = WebglUtils_1.throwIfFalsy(gl.getUniformLocation(this._program, 'u_projection'));
+        this._resolutionLocation = WebglUtils_1.throwIfFalsy(gl.getUniformLocation(this._program, 'u_resolution'));
+        this._textureLocation = WebglUtils_1.throwIfFalsy(gl.getUniformLocation(this._program, 'u_texture'));
         this._vertexArrayObject = gl.createVertexArray();
@@ -49,3 +53,3 @@ gl.bindVertexArray(this._vertexArrayObject);
         gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, unitQuadElementIndices, gl.STATIC_DRAW);
-        this._attributesBuffer = gl.createBuffer();
+        this._attributesBuffer = WebglUtils_1.throwIfFalsy(gl.createBuffer());
         gl.bindBuffer(gl.ARRAY_BUFFER, this._attributesBuffer);
@@ -67,3 +71,3 @@ gl.enableVertexAttribArray(2);
         gl.vertexAttribDivisor(1, 1);
-        this._atlasTexture = gl.createTexture();
+        this._atlasTexture = WebglUtils_1.throwIfFalsy(gl.createTexture());
         gl.bindTexture(gl.TEXTURE_2D, this._atlasTexture);
@@ -91,2 +95,5 @@ gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array([0, 0, 255, 255]));
         var rasterizedGlyph;
+        if (!this._atlas) {
+            throw new Error('atlas must be set before updating cell');
+        }
         if (chars && chars.length > 1) {
@@ -93,0 +100,0 @@ rasterizedGlyph = this._atlas.getRasterizedGlyphCombinedChar(chars, attr, bg, fg);

out/RectangleRenderer.js

@@ -25,5 +25,5 @@ "use strict";
         var gl = this._gl;
-        this._program = WebglUtils_1.createProgram(gl, vertexShaderSource, fragmentShaderSource);
-        this._resolutionLocation = gl.getUniformLocation(this._program, 'u_resolution');
-        this._projectionLocation = gl.getUniformLocation(this._program, 'u_projection');
+        this._program = WebglUtils_1.throwIfFalsy(WebglUtils_1.createProgram(gl, vertexShaderSource, fragmentShaderSource));
+        this._resolutionLocation = WebglUtils_1.throwIfFalsy(gl.getUniformLocation(this._program, 'u_resolution'));
+        this._projectionLocation = WebglUtils_1.throwIfFalsy(gl.getUniformLocation(this._program, 'u_projection'));
         this._vertexArrayObject = gl.createVertexArray();
@@ -41,3 +41,3 @@ gl.bindVertexArray(this._vertexArrayObject);
         gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, unitQuadElementIndices, gl.STATIC_DRAW);
-        this._attributesBuffer = gl.createBuffer();
+        this._attributesBuffer = WebglUtils_1.throwIfFalsy(gl.createBuffer());
         gl.bindBuffer(gl.ARRAY_BUFFER, this._attributesBuffer);
@@ -44,0 +44,0 @@ gl.enableVertexAttribArray(0);

out/renderLayer/BaseRenderLayer.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 var CharAtlasCache_1 = require("../atlas/CharAtlasCache");
+var WebglUtils_1 = require("../WebglUtils");
 var BaseRenderLayer = (function () {
@@ -37,3 +38,3 @@ function BaseRenderLayer(_container, id, zIndex, _alpha, _colors) {
     BaseRenderLayer.prototype._initCanvas = function () {
-        this._ctx = this._canvas.getContext('2d', { alpha: this._alpha });
+        this._ctx = WebglUtils_1.throwIfFalsy(this._canvas.getContext('2d', { alpha: this._alpha }));
         if (!this._alpha) {
@@ -40,0 +41,0 @@ this._clearAll();

out/renderLayer/CursorRenderLayer.js

@@ -25,7 +25,7 @@ "use strict";
         _this._state = {
-            x: null,
-            y: null,
-            isFocused: null,
-            style: null,
-            width: null
+            x: 0,
+            y: 0,
+            isFocused: false,
+            style: '',
+            width: 0
         };
@@ -42,7 +42,7 @@ _this._cursorRenderers = {
         this._state = {
-            x: null,
-            y: null,
-            isFocused: null,
-            style: null,
-            width: null
+            x: 0,
+            y: 0,
+            isFocused: false,
+            style: '',
+            width: 0
         };
@@ -54,3 +54,2 @@ };
             this._cursorBlinkStateManager.dispose();
-            this._cursorBlinkStateManager = null;
             this.onOptionsChanged(terminal);
@@ -85,3 +84,2 @@ }
                 this._cursorBlinkStateManager.dispose();
-                this._cursorBlinkStateManager = null;
             }
@@ -159,7 +157,7 @@ terminal.refresh(terminal.buffer.cursorY, terminal.buffer.cursorY);
             this._state = {
-                x: null,
-                y: null,
-                isFocused: null,
-                style: null,
-                width: null
+                x: 0,
+                y: 0,
+                isFocused: false,
+                style: '',
+                width: 0
             };
@@ -213,11 +211,11 @@ }
             window.clearInterval(this._blinkInterval);
-            this._blinkInterval = null;
+            this._blinkInterval = undefined;
         }
         if (this._blinkStartTimeout) {
             window.clearTimeout(this._blinkStartTimeout);
-            this._blinkStartTimeout = null;
+            this._blinkStartTimeout = undefined;
         }
         if (this._animationFrame) {
             window.cancelAnimationFrame(this._animationFrame);
-            this._animationFrame = null;
+            this._animationFrame = undefined;
         }
@@ -235,3 +233,3 @@ };
                 _this._renderCallback();
-                _this._animationFrame = null;
+                _this._animationFrame = undefined;
             });
@@ -249,3 +247,3 @@ }
                 var time = BLINK_INTERVAL - (Date.now() - _this._animationTimeRestarted);
-                _this._animationTimeRestarted = null;
+                _this._animationTimeRestarted = undefined;
                 if (time > 0) {
@@ -259,3 +257,3 @@ _this._restartInterval(time);
                 _this._renderCallback();
-                _this._animationFrame = null;
+                _this._animationFrame = undefined;
             });
@@ -265,3 +263,3 @@ _this._blinkInterval = setInterval(function () {
                     var time = BLINK_INTERVAL - (Date.now() - _this._animationTimeRestarted);
-                    _this._animationTimeRestarted = null;
+                    _this._animationTimeRestarted = undefined;
                     _this._restartInterval(time);
@@ -273,3 +271,3 @@ return;
                     _this._renderCallback();
-                    _this._animationFrame = null;
+                    _this._animationFrame = undefined;
                 });
@@ -283,15 +281,15 @@ }, BLINK_INTERVAL);
             window.clearInterval(this._blinkInterval);
-            this._blinkInterval = null;
+            this._blinkInterval = undefined;
         }
         if (this._blinkStartTimeout) {
             window.clearTimeout(this._blinkStartTimeout);
-            this._blinkStartTimeout = null;
+            this._blinkStartTimeout = undefined;
         }
         if (this._animationFrame) {
             window.cancelAnimationFrame(this._animationFrame);
-            this._animationFrame = null;
+            this._animationFrame = undefined;
         }
     };
     CursorBlinkStateManager.prototype.resume = function (terminal) {
-        this._animationTimeRestarted = null;
+        this._animationTimeRestarted = undefined;
         this._restartInterval();
@@ -298,0 +296,0 @@ this.restartBlinkAnimation(terminal);

out/renderLayer/LinkRenderLayer.js

@@ -23,3 +23,2 @@ "use strict";
         var _this = _super.call(this, container, 'link', zIndex, true, colors) || this;
-        _this._state = null;
         terminal.linkifier.onLinkHover(function (e) { return _this._onLinkHover(e); });
@@ -31,3 +30,3 @@ terminal.linkifier.onLinkLeave(function (e) { return _this._onLinkLeave(e); });
         _super.prototype.resize.call(this, terminal, dim);
-        this._state = null;
+        this._state = undefined;
     };
@@ -45,3 +44,3 @@ LinkRenderLayer.prototype.reset = function (terminal) {
             this._clearCells(0, this._state.y2, this._state.x2, 1);
-            this._state = null;
+            this._state = undefined;
         }
@@ -48,0 +47,0 @@ };

out/WebglRenderer.js

@@ -42,14 +42,14 @@ "use strict";
         _this.dimensions = {
-            scaledCharWidth: null,
-            scaledCharHeight: null,
-            scaledCellWidth: null,
-            scaledCellHeight: null,
-            scaledCharLeft: null,
-            scaledCharTop: null,
-            scaledCanvasWidth: null,
-            scaledCanvasHeight: null,
-            canvasWidth: null,
-            canvasHeight: null,
-            actualCellWidth: null,
-            actualCellHeight: null
+            scaledCharWidth: 0,
+            scaledCharHeight: 0,
+            scaledCellWidth: 0,
+            scaledCellHeight: 0,
+            scaledCharLeft: 0,
+            scaledCharTop: 0,
+            scaledCanvasWidth: 0,
+            scaledCanvasHeight: 0,
+            canvasWidth: 0,
+            canvasHeight: 0,
+            actualCellWidth: 0,
+            actualCellHeight: 0
         };
@@ -56,0 +56,0 @@ _this._devicePixelRatio = window.devicePixelRatio;

out/WebglUtils.js

@@ -10,5 +10,5 @@ "use strict";
 function createProgram(gl, vertexSource, fragmentSource) {
-    var program = gl.createProgram();
-    gl.attachShader(program, createShader(gl, gl.VERTEX_SHADER, vertexSource));
-    gl.attachShader(program, createShader(gl, gl.FRAGMENT_SHADER, fragmentSource));
+    var program = throwIfFalsy(gl.createProgram());
+    gl.attachShader(program, throwIfFalsy(createShader(gl, gl.VERTEX_SHADER, vertexSource)));
+    gl.attachShader(program, throwIfFalsy(createShader(gl, gl.FRAGMENT_SHADER, fragmentSource)));
     gl.linkProgram(program);
@@ -24,3 +24,3 @@ var success = gl.getProgramParameter(program, gl.LINK_STATUS);
 function createShader(gl, type, source) {
-    var shader = gl.createShader(type);
+    var shader = throwIfFalsy(gl.createShader(type));
     gl.shaderSource(shader, source);
@@ -45,2 +45,9 @@ gl.compileShader(shader);
 exports.expandFloat32Array = expandFloat32Array;
+function throwIfFalsy(value) {
+    if (!value) {
+        throw new Error('value must not be falsy');
+    }
+    return value;
+}
+exports.throwIfFalsy = throwIfFalsy;
 //# sourceMappingURL=WebglUtils.js.map

package.json

 {
   "name": "xterm-addon-webgl",
-  "version": "0.2.0-beta2",
+  "version": "0.2.0-beta3",
   "author": {
@@ -5,0 +5,0 @@ "name": "The xterm.js authors",

src/atlas/CharAtlasUtils.ts

@@ -9,4 +9,9 @@ /**
 import { Terminal, FontWeight } from 'xterm';
-import { IColorSet } from 'browser/Types';
+import { IColorSet, IColor } from 'browser/Types';
 
+const NULL_COLOR: IColor = {
+  css: '',
+  rgba: 0
+};
+
 export function generateConfig(scaledCharWidth: number, scaledCharHeight: number, terminal: Terminal, colors: IColorSet): ICharAtlasConfig {
@@ -17,5 +22,5 @@ // null out some fields that don't matter
     background: colors.background,
-    cursor: null,
-    cursorAccent: null,
-    selection: null,
+    cursor: NULL_COLOR,
+    cursorAccent: NULL_COLOR,
+    selection: NULL_COLOR,
     // For the static char atlas, we only use the first 16 colors, but we need all 256 for the
@@ -22,0 +27,0 @@ // dynamic character atlas.

src/atlas/WebglCharAtlas.ts

@@ -11,2 +11,3 @@ /**
 import { is256Color } from './CharAtlasUtils';
+import { throwIfFalsy } from '../WebglUtils';
 import { IColor } from 'browser/Types';
@@ -79,3 +80,3 @@ import { FLAGS } from '../Constants';
     // set.
-    this._cacheCtx = this.cacheCanvas.getContext('2d', {alpha: true});
+    this._cacheCtx = throwIfFalsy(this.cacheCanvas.getContext('2d', {alpha: true}));
 
@@ -85,3 +86,3 @@ this._tmpCanvas = document.createElement('canvas');
     this._tmpCanvas.height = this._config.scaledCharHeight + TMP_CANVAS_GLYPH_PADDING * 2;
-    this._tmpCtx = this._tmpCanvas.getContext('2d', {alpha: this._config.allowTransparency});
+    this._tmpCtx = throwIfFalsy(this._tmpCanvas.getContext('2d', {alpha: this._config.allowTransparency}));
 
@@ -88,0 +89,0 @@ // This is useful for debugging

src/GlyphRenderer.ts

@@ -6,3 +6,3 @@ /**
 
-import { createProgram, PROJECTION_MATRIX } from './WebglUtils';
+import { createProgram, PROJECTION_MATRIX, throwIfFalsy } from './WebglUtils';
 import { WebglCharAtlas } from './atlas/WebglCharAtlas';
@@ -79,3 +79,3 @@ import { IWebGL2RenderingContext, IWebGLVertexArrayObject, IRenderModel, IRasterizedGlyph } from './Types';
 export class GlyphRenderer {
-  private _atlas: WebglCharAtlas;
+  private _atlas: WebglCharAtlas | undefined;
 
@@ -109,8 +109,12 @@ private _program: WebGLProgram;
 
-    this._program = createProgram(gl, vertexShaderSource, fragmentShaderSource);
+    const program = throwIfFalsy(createProgram(gl, vertexShaderSource, fragmentShaderSource));
+    if (program === undefined) {
+      throw new Error('Could not create WebGL program');
+    }
+    this._program = program;
 
     // Uniform locations
-    this._projectionLocation = gl.getUniformLocation(this._program, 'u_projection');
-    this._resolutionLocation = gl.getUniformLocation(this._program, 'u_resolution');
-    this._textureLocation = gl.getUniformLocation(this._program, 'u_texture');
+    this._projectionLocation = throwIfFalsy(gl.getUniformLocation(this._program, 'u_projection'));
+    this._resolutionLocation = throwIfFalsy(gl.getUniformLocation(this._program, 'u_resolution'));
+    this._textureLocation = throwIfFalsy(gl.getUniformLocation(this._program, 'u_texture'));
 
@@ -137,3 +141,3 @@ // Create and set the vertex array object
     // Setup attributes
-    this._attributesBuffer = gl.createBuffer();
+    this._attributesBuffer = throwIfFalsy(gl.createBuffer());
     gl.bindBuffer(gl.ARRAY_BUFFER, this._attributesBuffer);
@@ -157,3 +161,3 @@ gl.enableVertexAttribArray(VertexAttribLocations.OFFSET);
     // Setup empty texture atlas
-    this._atlasTexture = gl.createTexture();
+    this._atlasTexture = throwIfFalsy(gl.createTexture());
     gl.bindTexture(gl.TEXTURE_2D, this._atlasTexture);
@@ -192,2 +196,5 @@ gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array([0, 0, 255, 255]));
     let rasterizedGlyph: IRasterizedGlyph;
+    if (!this._atlas) {
+      throw new Error('atlas must be set before updating cell');
+    }
     if (chars && chars.length > 1) {
@@ -273,3 +280,3 @@ rasterizedGlyph = this._atlas.getRasterizedGlyphCombinedChar(chars, attr, bg, fg);
         }
-        const chars = line.getCell(x).char;
+        const chars = line!.getCell(x)!.char;
         this._updateCell(this._vertices.selectionAttributes, x, y, model.cells[offset], attr, bg, fg, chars);
@@ -276,0 +283,0 @@ } else {

src/RectangleRenderer.ts

@@ -6,3 +6,3 @@ /**
 
-import { createProgram, expandFloat32Array, PROJECTION_MATRIX } from './WebglUtils';
+import { createProgram, expandFloat32Array, PROJECTION_MATRIX, throwIfFalsy } from './WebglUtils';
 import { IRenderModel, IWebGLVertexArrayObject, IWebGL2RenderingContext, ISelectionRenderModel } from './Types';
@@ -70,4 +70,4 @@ import { fill } from 'common/TypedArrayUtils';
   private _projectionLocation: WebGLUniformLocation;
-  private _bgFloat: Float32Array;
-  private _selectionFloat: Float32Array;
+  private _bgFloat!: Float32Array;
+  private _selectionFloat!: Float32Array;
 
@@ -88,7 +88,7 @@ private _vertices: IVertices = {
 
-    this._program = createProgram(gl, vertexShaderSource, fragmentShaderSource);
+    this._program = throwIfFalsy(createProgram(gl, vertexShaderSource, fragmentShaderSource));
 
     // Uniform locations
-    this._resolutionLocation = gl.getUniformLocation(this._program, 'u_resolution');
-    this._projectionLocation = gl.getUniformLocation(this._program, 'u_projection');
+    this._resolutionLocation = throwIfFalsy(gl.getUniformLocation(this._program, 'u_resolution'));
+    this._projectionLocation = throwIfFalsy(gl.getUniformLocation(this._program, 'u_projection'));
 
@@ -115,3 +115,3 @@ // Create and set the vertex array object
     // Setup attributes
-    this._attributesBuffer = gl.createBuffer();
+    this._attributesBuffer = throwIfFalsy(gl.createBuffer());
     gl.bindBuffer(gl.ARRAY_BUFFER, this._attributesBuffer);
@@ -118,0 +118,0 @@ gl.enableVertexAttribArray(VertexAttribLocations.POSITION);

src/renderLayer/BaseRenderLayer.ts

@@ -18,6 +18,7 @@ /**
 import { WebglCharAtlas } from 'atlas/WebglCharAtlas';
+import { throwIfFalsy } from '../WebglUtils';
 
 export abstract class BaseRenderLayer implements IRenderLayer {
   private _canvas: HTMLCanvasElement;
-  protected _ctx: CanvasRenderingContext2D;
+  protected _ctx!: CanvasRenderingContext2D;
   private _scaledCharWidth: number = 0;
@@ -30,3 +31,3 @@ private _scaledCharHeight: number = 0;
 
-  protected _charAtlas: WebglCharAtlas;
+  protected _charAtlas: WebglCharAtlas | undefined;
 
@@ -68,3 +69,3 @@ /**
   private _initCanvas(): void {
-    this._ctx = this._canvas.getContext('2d', {alpha: this._alpha});
+    this._ctx = throwIfFalsy(this._canvas.getContext('2d', {alpha: this._alpha}));
     // Draw the background if this is an opaque layer
@@ -71,0 +72,0 @@ if (!this._alpha) {

src/renderLayer/CursorRenderLayer.ts

@@ -29,3 +29,3 @@ /**
   private _cursorRenderers: {[key: string]: (terminal: Terminal, x: number, y: number, cell: ICellData) => void};
-  private _cursorBlinkStateManager: CursorBlinkStateManager;
+  private _cursorBlinkStateManager: CursorBlinkStateManager | undefined;
   private _cell: ICellData = new CellData();
@@ -36,7 +36,7 @@
     this._state = {
-      x: null,
-      y: null,
-      isFocused: null,
-      style: null,
-      width: null
+      x: 0,
+      y: 0,
+      isFocused: false,
+      style: '',
+      width: 0
     };
@@ -55,7 +55,7 @@ this._cursorRenderers = {
     this._state = {
-      x: null,
-      y: null,
-      isFocused: null,
-      style: null,
-      width: null
+      x: 0,
+      y: 0,
+      isFocused: false,
+      style: '',
+      width: 0
     };
@@ -68,3 +68,2 @@ }
       this._cursorBlinkStateManager.dispose();
-      this._cursorBlinkStateManager = null;
       this.onOptionsChanged(terminal);
@@ -99,3 +98,2 @@ }
         this._cursorBlinkStateManager.dispose();
-        this._cursorBlinkStateManager = null;
       }
@@ -192,7 +190,7 @@ // Request a refresh from the terminal as management of rendering is being
       this._state = {
-        x: null,
-        y: null,
-        isFocused: null,
-        style: null,
-        width: null
+        x: 0,
+        y: 0,
+        isFocused: false,
+        style: '',
+        width: 0
       };
@@ -236,5 +234,5 @@ }
 
-  private _animationFrame: number;
-  private _blinkStartTimeout: number;
-  private _blinkInterval: number;
+  private _animationFrame: number | undefined;
+  private _blinkStartTimeout: number | undefined;
+  private _blinkInterval: number | undefined;
 
@@ -246,3 +244,3 @@ /**
    */
-  private _animationTimeRestarted: number;
+  private _animationTimeRestarted: number | undefined;
 
@@ -264,11 +262,11 @@ constructor(
       window.clearInterval(this._blinkInterval);
-      this._blinkInterval = null;
+      this._blinkInterval = undefined;
     }
     if (this._blinkStartTimeout) {
       window.clearTimeout(this._blinkStartTimeout);
-      this._blinkStartTimeout = null;
+      this._blinkStartTimeout = undefined;
     }
     if (this._animationFrame) {
       window.cancelAnimationFrame(this._animationFrame);
-      this._animationFrame = null;
+      this._animationFrame = undefined;
     }
@@ -288,3 +286,3 @@ }
         this._renderCallback();
-        this._animationFrame = null;
+        this._animationFrame = undefined;
       });
@@ -309,3 +307,3 @@ }
         const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);
-        this._animationTimeRestarted = null;
+        this._animationTimeRestarted = undefined;
         if (time > 0) {
@@ -321,3 +319,3 @@ this._restartInterval(time);
         this._renderCallback();
-        this._animationFrame = null;
+        this._animationFrame = undefined;
       });
@@ -332,3 +330,3 @@
           const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);
-          this._animationTimeRestarted = null;
+          this._animationTimeRestarted = undefined;
           this._restartInterval(time);
@@ -342,3 +340,3 @@ return;
           this._renderCallback();
-          this._animationFrame = null;
+          this._animationFrame = undefined;
         });
@@ -353,11 +351,11 @@ }, BLINK_INTERVAL);
       window.clearInterval(this._blinkInterval);
-      this._blinkInterval = null;
+      this._blinkInterval = undefined;
     }
     if (this._blinkStartTimeout) {
       window.clearTimeout(this._blinkStartTimeout);
-      this._blinkStartTimeout = null;
+      this._blinkStartTimeout = undefined;
     }
     if (this._animationFrame) {
       window.cancelAnimationFrame(this._animationFrame);
-      this._animationFrame = null;
+      this._animationFrame = undefined;
     }
@@ -367,3 +365,3 @@ }
   public resume(terminal: Terminal): void {
-    this._animationTimeRestarted = null;
+    this._animationTimeRestarted = undefined;
     this._restartInterval();
@@ -370,0 +368,0 @@ this.restartBlinkAnimation(terminal);

src/renderLayer/LinkRenderLayer.ts

@@ -15,3 +15,3 @@ /**
 export class LinkRenderLayer extends BaseRenderLayer {
-  private _state: ILinkifierEvent = null;
+  private _state: ILinkifierEvent | undefined;
 
@@ -27,3 +27,3 @@ constructor(container: HTMLElement, zIndex: number, colors: IColorSet, terminal: ILinkifierAccessor) {
     // Resizing the canvas discards the contents of the canvas so clear state
-    this._state = null;
+    this._state = undefined;
   }
@@ -43,3 +43,3 @@
       this._clearCells(0, this._state.y2, this._state.x2, 1);
-      this._state = null;
+      this._state = undefined;
     }
@@ -46,0 +46,0 @@ }

src/WebglRenderer.ts

@@ -30,3 +30,3 @@ /**
   private _renderLayers: IRenderLayer[];
-  private _charAtlas: WebglCharAtlas;
+  private _charAtlas: WebglCharAtlas | undefined;
   private _devicePixelRatio: number;
@@ -61,14 +61,14 @@
     this.dimensions = {
-      scaledCharWidth: null,
-      scaledCharHeight: null,
-      scaledCellWidth: null,
-      scaledCellHeight: null,
-      scaledCharLeft: null,
-      scaledCharTop: null,
-      scaledCanvasWidth: null,
-      scaledCanvasHeight: null,
-      canvasWidth: null,
-      canvasHeight: null,
-      actualCellWidth: null,
-      actualCellHeight: null
+      scaledCharWidth: 0,
+      scaledCharHeight: 0,
+      scaledCellWidth: 0,
+      scaledCellHeight: 0,
+      scaledCharLeft: 0,
+      scaledCharTop: 0,
+      scaledCanvasWidth: 0,
+      scaledCanvasHeight: 0,
+      canvasWidth: 0,
+      canvasHeight: 0,
+      actualCellWidth: 0,
+      actualCellHeight: 0
     };
@@ -257,3 +257,3 @@ this._devicePixelRatio = window.devicePixelRatio;
       const row = y + terminal.buffer.ydisp;
-      const line = terminal.buffer.lines.get(row);
+      const line = terminal.buffer.lines.get(row)!;
       this._model.lineLengths[y] = 0;
@@ -260,0 +260,0 @@ for (let x = 0; x < terminal.cols; x++) {

src/WebglUtils.ts

@@ -18,5 +18,5 @@ /**
 export function createProgram(gl: WebGLRenderingContext, vertexSource: string, fragmentSource: string): WebGLProgram | undefined {
-  const program = gl.createProgram();
-  gl.attachShader(program, createShader(gl, gl.VERTEX_SHADER, vertexSource));
-  gl.attachShader(program, createShader(gl, gl.FRAGMENT_SHADER, fragmentSource));
+  const program = throwIfFalsy(gl.createProgram());
+  gl.attachShader(program, throwIfFalsy(createShader(gl, gl.VERTEX_SHADER, vertexSource)));
+  gl.attachShader(program, throwIfFalsy(createShader(gl, gl.FRAGMENT_SHADER, fragmentSource)));
   gl.linkProgram(program);
@@ -33,3 +33,3 @@ const success = gl.getProgramParameter(program, gl.LINK_STATUS);
 export function createShader(gl: WebGLRenderingContext, type: number, source: string): WebGLShader | undefined {
-  const shader = gl.createShader(type);
+  const shader = throwIfFalsy(gl.createShader(type));
   gl.shaderSource(shader, source);
@@ -54,1 +54,8 @@ gl.compileShader(shader);
 }
+
+export function throwIfFalsy<T>(value: T | undefined | null): T {
+  if (!value) {
+    throw new Error('value must not be falsy');
+  }
+  return value;
+}

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increased by0.76%

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