@tanstack/db/dist/cjs/query/runtime-reference-identity.cjs.map

A reactive client store for building super fast apps on sync

{"version":3,"file":"runtime-reference-identity.cjs","sources":["../../../src/query/runtime-reference-identity.ts"],"sourcesContent":["export type RuntimeReferenceIdentity = [\n  `runtimeReference`,\n  namespace: string,\n  sequence: number,\n]\n\nexport function createRuntimeReferenceIdentityFactory(): (\n  value: object,\n) => RuntimeReferenceIdentity {\n  const namespace = createRuntimeReferenceNamespace()\n  const referenceIds = new WeakMap<object, number>()\n  let sequence = 0\n\n  return (value) => {\n    let referenceId = referenceIds.get(value)\n    if (referenceId === undefined) {\n      referenceId = ++sequence\n      referenceIds.set(value, referenceId)\n    }\n    return [`runtimeReference`, namespace, referenceId]\n  }\n}\n\nexport const getRuntimeReferenceIdentity =\n  createRuntimeReferenceIdentityFactory()\n\nfunction createRuntimeReferenceNamespace(): string {\n  const randomValues = new Uint32Array(4)\n  const runtimeCrypto = Reflect.get(globalThis, `crypto`) as\n    | { getRandomValues?: (values: Uint32Array) => Uint32Array }\n    | undefined\n  if (typeof runtimeCrypto?.getRandomValues === `function`) {\n    runtimeCrypto.getRandomValues(randomValues)\n    return Array.from(randomValues, (value) => value.toString(36)).join(`-`)\n  }\n\n  // Reference equality cannot survive a runtime boundary. A per-runtime nonce\n  // prevents a persisted key from matching an unrelated reference after a\n  // reload, even on platforms without Web Crypto.\n  return `${Date.now().toString(36)}-${Math.random().toString(36).slice(2)}-${Math.random().toString(36).slice(2)}`\n}\n"],"names":[],"mappings":";;AAMO,SAAS,wCAEc;AAC5B,QAAM,YAAY,gCAAA;AAClB,QAAM,mCAAmB,QAAA;AACzB,MAAI,WAAW;AAEf,SAAO,CAAC,UAAU;AAChB,QAAI,cAAc,aAAa,IAAI,KAAK;AACxC,QAAI,gBAAgB,QAAW;AAC7B,oBAAc,EAAE;AAChB,mBAAa,IAAI,OAAO,WAAW;AAAA,IACrC;AACA,WAAO,CAAC,oBAAoB,WAAW,WAAW;AAAA,EACpD;AACF;AAEO,MAAM,8BACX,sCAAA;AAEF,SAAS,kCAA0C;AACjD,QAAM,eAAe,IAAI,YAAY,CAAC;AACtC,QAAM,gBAAgB,QAAQ,IAAI,YAAY,QAAQ;AAGtD,MAAI,OAAO,eAAe,oBAAoB,YAAY;AACxD,kBAAc,gBAAgB,YAAY;AAC1C,WAAO,MAAM,KAAK,cAAc,CAAC,UAAU,MAAM,SAAS,EAAE,CAAC,EAAE,KAAK,GAAG;AAAA,EACzE;AAKA,SAAO,GAAG,KAAK,IAAA,EAAM,SAAS,EAAE,CAAC,IAAI,KAAK,OAAA,EAAS,SAAS,EAAE,EAAE,MAAM,CAAC,CAAC,IAAI,KAAK,OAAA,EAAS,SAAS,EAAE,EAAE,MAAM,CAAC,CAAC;AACjH;;;"}