{
  "version": 3,
  "sources": ["../../../../../../../src/js/lib/tokens.js"],
  "sourcesContent": ["let _token;\n\nexport const setToken = token => {\n  _token = token;\n};\n\nexport async function digestMessage(message) {\n  if (!(\"crypto\" in window)) return null;\n  const msgUint8 = new TextEncoder().encode(message); // encode as (utf-8) Uint8Array\n  const hashBuffer = await crypto.subtle.digest(\"SHA-256\", msgUint8); // hash the message\n  const hashArray = Array.from(new Uint8Array(hashBuffer)); // convert buffer to byte array\n  const hashHex = hashArray.map(b => b.toString(16).padStart(2, \"0\")).join(\"\"); // convert bytes to hex string\n  return hashHex;\n}\n\nexport const tokenChannel =\n  \"BroadcastChannel\" in window ? new BroadcastChannel(\"token\") : \"\";\n\nexport const token = {\n  addEventListener: (...args) =>\n    tokenChannel && tokenChannel.addEventListener(...args),\n  removeEventListener: (...args) =>\n    tokenChannel && tokenChannel.removeEventListener(...args),\n  getHash: () => digestMessage(_token),\n  setToken,\n  postMessage: message =>\n    token.getHash().then(\n      tokenHash =>\n        // digestMessage will return null on missing crypto on older\n        // browsers\n        tokenHash &&\n        tokenChannel &&\n        tokenChannel.postMessage({ tokenHash, ...message })\n    )\n};\n"],
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  "names": []
}