src/vs/editor/browser/viewParts/viewCursors/viewCursor.ts/ViewCursor/render
class ViewCursor:	public render(ctx: RestrictedRenderingContext): IViewCursorRenderData | null {
		if (!this._renderData) {
			this._domNode.setDisplay('none');
			return null;
		}

		if (this._lastRenderedContent !== this._renderData.textContent) {
			this._lastRenderedContent = this._renderData.textContent;
			this._domNode.domNode.textContent = this._lastRenderedContent;
		}

		this._domNode.setClassName(`cursor ${MOUSE_CURSOR_TEXT_CSS_CLASS_NAME} ${this._renderData.textContentClassName}`);

		this._domNode.setDisplay('block');
		this._domNode.setTop(this._renderData.top);
		this._domNode.setLeft(this._renderData.left);
		this._domNode.setPaddingLeft(this._renderData.paddingLeft);
		this._domNode.setWidth(this._renderData.width);
		this._domNode.setLineHeight(this._renderData.height);
		this._domNode.setHeight(this._renderData.height);

		return {
			domNode: this._domNode.domNode,
			position: this._position,
			contentLeft: this._renderData.left,
			height: this._renderData.height,
			width: 2
		};
	}