{"version":3,"file":"accessTokenCache.js","sourceRoot":"","sources":["../../src/accessTokenCache.ts"],"names":[],"mappings":"AAAA,uCAAuC;AACvC,kCAAkC;AAIlC;;GAEG;AACH,MAAM,CAAC,MAAM,2BAA2B,GAAG,CAAC,GAAG,EAAE,GAAG,IAAI,CAAC,CAAC,YAAY;AAqBtE;;;;;GAKG;AACH,MAAM,OAAO,wBAAwB;IAC3B,oBAAoB,CAAS;IAC7B,WAAW,CAAe;IAElC;;;OAGG;IACH,YAAY,uBAA+B,2BAA2B;QACpE,IAAI,CAAC,oBAAoB,GAAG,oBAAoB,CAAC;IACnD,CAAC;IAED,cAAc,CAAC,WAAoC;QACjD,IAAI,CAAC,WAAW,GAAG,WAAW,CAAC;IACjC,CAAC;IAED,cAAc;QACZ,IACE,IAAI,CAAC,WAAW;YAChB,IAAI,CAAC,GAAG,EAAE,GAAG,IAAI,CAAC,oBAAoB,IAAI,IAAI,CAAC,WAAW,CAAC,kBAAkB,EAC7E,CAAC;YACD,IAAI,CAAC,WAAW,GAAG,SAAS,CAAC;QAC/B,CAAC;QAED,OAAO,IAAI,CAAC,WAAW,CAAC;IAC1B,CAAC;CACF","sourcesContent":["// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\n\nimport type { AccessToken } from \"@azure/core-auth\";\n\n/**\n * Defines the default token refresh buffer duration.\n */\nexport const DefaultTokenRefreshBufferMs = 2 * 60 * 1000; // 2 Minutes\n\n/**\n * Provides a cache for an AccessToken that was that\n * was returned from a TokenCredential.\n */\nexport interface AccessTokenCache {\n  /**\n   * Sets the cached token.\n   *\n   * @param accessToken - The AccessToken to be cached or null to\n   *   clear the cached token.\n   */\n  setCachedToken(accessToken: AccessToken | undefined): void;\n\n  /**\n   * Returns the cached AccessToken or undefined if nothing is cached.\n   */\n  getCachedToken(): AccessToken | undefined;\n}\n\n/**\n * Provides an AccessTokenCache implementation which clears\n * the cached AccessToken's after the expiresOnTimestamp has\n * passed.\n * @internal\n */\nexport class ExpiringAccessTokenCache implements AccessTokenCache {\n  private tokenRefreshBufferMs: number;\n  private cachedToken?: AccessToken;\n\n  /**\n   * Constructs an instance of ExpiringAccessTokenCache with\n   * an optional expiration buffer time.\n   */\n  constructor(tokenRefreshBufferMs: number = DefaultTokenRefreshBufferMs) {\n    this.tokenRefreshBufferMs = tokenRefreshBufferMs;\n  }\n\n  setCachedToken(accessToken: AccessToken | undefined): void {\n    this.cachedToken = accessToken;\n  }\n\n  getCachedToken(): AccessToken | undefined {\n    if (\n      this.cachedToken &&\n      Date.now() + this.tokenRefreshBufferMs >= this.cachedToken.expiresOnTimestamp\n    ) {\n      this.cachedToken = undefined;\n    }\n\n    return this.cachedToken;\n  }\n}\n"]}