Function getExtensionScripts

src/service/extension-script.js:200–237

(
  win,
  extensionId,
  version,
  latest,
  includeInserted = true
)

 * @return {!Array<!Element>}
 */
export function getExtensionScripts(
  win,
  extensionId,
  version,
  latest,
  includeInserted = true
) {
  // Always ignore <script> elements that have a mismatched RTV.
  const modifier =
    ':not([i-amphtml-loaded-new-version])' +
    (includeInserted ? '' : ':not([i-amphtml-inserted])');
  // We have to match against "src" because a few extensions, such as
  // "amp-viewer-integration", do not have "custom-element" attribute.
  const matches = win.document.head./*OK*/ querySelectorAll(
    `script[src*="/${extensionId}-"]${modifier}`
  );
  const filtered = [];
  for (let i = 0; i < matches.length; i++) {
    const match = matches[i];
    const urlParts = parseExtensionUrl(match.src);
    if (!urlParts) {
      continue;
    }
    const {
      extensionId: scriptExtensionId,
      extensionVersion: scriptExtensionVersion,
    } = urlParts;
    if (
      scriptExtensionId == extensionId &&
      (isIntermediateExtension(extensionId) ||
        scriptExtensionVersion == version ||
        (scriptExtensionVersion == LATEST_VERSION && latest))
    ) {
      filtered.push(match);
    }
  }
  return filtered;
}

/**
 * Get list of all the extension JS files.