static create()

in src/MainLauncher.ts [28:101]
67 lines of code
3 McCabe index (conditional complexity)

  static create(version: string, baseUrl: string, cssPath: string, region: AWSRegion): PhosphorMainLauncher | LuminoMainLauncher {
    const majorVersion = Number(version.split(".")[0]);
    const widget = majorVersion === 1 ? new PhosphorMainLauncher() : new LuminoMainLauncher();

    const awsText = isCnPartition(region) ? "Amazon" : "AWS";
    widget.cssPath = cssPath;
    widget.id = "aws_glue_databrew_jupyter";
    widget.title.label = `${awsText} Glue DataBrew`;
    widget.title.closable = true;

    widget.consoleRoot = document.createElement("html");
    widget.consoleRoot.setAttribute("style", "height: 100%");
    widget.node.appendChild(widget.consoleRoot);

    widget.consoleRoot.insertAdjacentHTML("beforeend",
      `
        <head>
          <meta charset="UTF-8">
          <meta name="awsc-lang" content="en">
          <meta id="jupyter-server-base-url" content="${baseUrl}">
          <meta id="jupyterlab-version" content="${version}">
          <meta name="aws-glue-databrew-jupyter" content="true">
          <meta id="aws-glue-databrew-jupyter-region" content="${region || ""}">
          <title>AWS</title>
          <link rel="stylesheet" href="${cssPath}">
          <style>
            .loader {
              display: inline-block;
              border: 5px solid #f3f3f3;
              border-radius: 50%;
              border-top: 5px solid #3498db;
              width: 40px;
              height: 40px;
              margin-right: 12px;
              -webkit-animation: spin 2s linear infinite;
              animation: spin 2s linear infinite;
            }

            @-webkit-keyframes spin {
              0% { -webkit-transform: rotate(0deg); }
              100% { -webkit-transform: rotate(360deg); }
            }

            @keyframes spin {
              0% { transform: rotate(0deg); }
              100% { transform: rotate(360deg); }
            }

            .loader-container {
              font-size: 60px;
              font-weight: 100;
              color: #879196;
              height: 100%;
              width: 100%;
              justify-content: center;
              display: flex;
              align-items: center;
            }
          </style>
        </head>
        <body style="height: 100%">
          <div id="app" style="height: 100%">
            <div class="loader-container">
              <div>
                <div class="loader"></div><span>Launching ${awsText} Glue DataBrew</span>
              </div>
            </div>
          </div>
        </body>
    `
    );

    return widget;
  }