demos/utils/open-in-window.js

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 ** This demo file is part of yFiles for HTML 2.6.
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 ** 72070 Tuebingen, Germany. All rights reserved.
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 ** yFiles demo files exhibit yFiles for HTML functionalities. Any redistribution
 ** of demo files in source code or binary form, with or without
 ** modification, is not permitted.
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 ** Owners of a valid software license for a yFiles for HTML version that this
 ** demo is shipped with are allowed to use the demo source code as basis
 ** for their own yFiles for HTML powered applications. Use of such programs is
 ** governed by the rights and conditions as set out in the yFiles for HTML
 ** license agreement.
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 ** THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY EXPRESS OR IMPLIED
 ** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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/**
 * Opens the given {@link content} in a new browser tab.
 * @param {!string} content - The content of the document.
 * @param title - An optional title of the new document.
 * @param {!'File content'} [title=File content]
 */
export function openInWindow(content, title = 'File content') {
  const newWindow = window.open()
  if (!newWindow) {
    throw new Error('Could not open a new window. Maybe it was blocked by the browser.')
  }
  const newDocument = newWindow.document
  newDocument.open()
  newDocument.write(
    // language=HTML
    `
      <!DOCTYPE html>
      <html lang="en">
        <head>
          <title>${title}</title>
        </head>
        <body>
          ${content}
        </body>
      </html>`
  )
}