{"version":3,"file":"mock.mjs","sourceRoot":"","sources":["../src/mock.ts"],"names":[],"mappings":"AAAA,OAAO,MAAM,eAAe;AAC5B,OAAO,YAAY,eAAe;AAElC,OAAO,EAAE,kBAAkB,EAAE,iCAA6B;AAE1D,MAAM,YAAY,GAAG,CAAC,OAAO,EAAE,SAAS,EAAE,SAAS,EAAE,UAAU,CAAC,CAAC;AAEjE,MAAM,CAAC,MAAM,QAAQ,GAAa;IAChC,GAAG,kBAAkB;IACrB,GAAG,YAAY;IACf,aAAa;CACd,CAAC;AAUF;;;;GAIG;AACH,SAAS,iBAAiB;IACxB,OAAO,EAAE,OAAO,EAAE,KAAK,IAAI,EAAE,CAAC,IAAI,EAAE,CAAC;AACvC,CAAC;AAED;;;;GAIG;AACH,SAAS,uBAAuB;IAC9B,MAAM,YAAY,GAAG,IAAI,YAAY,EAAmC,CAAC;IACzE,YAAY,CAAC,OAAO,GAAG,KAAK,IAAI,EAAE,CAAC,IAAI,CAAC;IACxC,OAAO,YAAoC,CAAC;AAC9C,CAAC;AAED;;;;;GAKG;AACH,MAAM,CAAC,MAAM,aAAa,GAAG,CAAC,KAAU,EAAE,EAAE,CAC1C,OAAO,CAAC,OAAO,KAAK,EAAE,SAAS,EAAE,WAAW,EAAE,IAAI,KAAK,QAAQ,CAAC,CAAC;AAEnE;;;;GAIG;AACH,MAAM,YAAY,GAAG,GAAG,EAAE,CAAC,IAAI,CAAC;AAChC,MAAM,SAAS;CAAG;AAElB,MAAM,OAAO,GAAG;IACd,SAAS,CAAC,MAAW,EAAE,IAAW;QAChC,OAAO,IAAI,KAAK,CAAC,IAAI,MAAM,CAAC,GAAG,IAAI,CAAC,EAAE,OAAO,CAAC,CAAC;IACjD,CAAC;IACD,GAAG,CAAC,OAAY,EAAE,KAAU;QAC1B,OAAO,YAAY,CAAC;IACtB,CAAC;CACF,CAAC;AAEF;;;;;;GAMG;AACH,MAAM,iBAAiB,GAAG,CAAC,KAAU,EAAE,EAAE;IACvC,OAAO,IAAI,KAAK,CAAC,KAAK,EAAE,OAAO,CAAC,CAAC;AACnC,CAAC,CAAC;AAEF,6EAA6E;AAC7E,oEAAoE;AACpE,MAAM,UAAU,GAA4B;IAC1C,MAAM;IACN,YAAY,EAAE,SAAS;CACxB,CAAC;AAEF;;;;;;;GAOG;AACH,MAAM,qBAAqB,GAAG,CAAC,GAAW,EAAE,EAAE;IAC5C,MAAM,WAAW,GAAI,UAAkB,CAAC,GAAG,CAAC,CAAC;IAE7C,+CAA+C;IAC/C,IAAI,WAAW,IAAI,kBAAkB,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE,CAAC;QACpD,OAAO,WAAW,CAAC;IACrB,CAAC;IAED,4EAA4E;IAC5E,MAAM,cAAc,GAAG,WAAW,IAAI,UAAU,CAAC,GAAG,CAAC,CAAC;IAEtD,MAAM,IAAI,GAAG,OAAO,cAAc,CAAC;IACnC,MAAM,UAAU,GAAG,IAAI,KAAK,UAAU,CAAC;IACvC,IAAI,UAAU,IAAI,aAAa,CAAC,cAAc,CAAC,EAAE,CAAC;QAChD,OAAO,iBAAiB,CAAC,cAAc,CAAC,CAAC;IAC3C,CAAC;SAAM,IAAI,UAAU,IAAI,CAAC,cAAc,EAAE,CAAC;QACzC,qCAAqC;QACrC,OAAO,YAAY,CAAC;IACtB,CAAC;IACD,OAAO,cAAc,CAAC;AACxB,CAAC,CAAC;AAEF;;;;GAIG;AACH,MAAM,CAAC,MAAM,sBAAsB,GAAG,GAAG,EAAE;IACzC,OAAO,QAAQ,CAAC,MAAM,CACpB,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE,CAAC,CAAC,EAAE,GAAG,GAAG,EAAE,CAAC,GAAG,CAAC,EAAE,qBAAqB,CAAC,GAAG,CAAC,EAAE,CAAC,EAC7D,EAAE,IAAI,EAAE,iBAAiB,EAAE,EAAE,QAAQ,EAAE,uBAAuB,EAAE,EAAE,CACnE,CAAC;AACJ,CAAC,CAAC","sourcesContent":["import crypto from 'crypto';\nimport EventEmitter from 'events';\n\nimport { DEFAULT_ENDOWMENTS } from './default-endowments';\n\nconst NETWORK_APIS = ['fetch', 'Request', 'Headers', 'Response'];\n\nexport const ALL_APIS: string[] = [\n  ...DEFAULT_ENDOWMENTS,\n  ...NETWORK_APIS,\n  'WebAssembly',\n];\n\ntype MockSnapGlobal = {\n  request: () => Promise<any>;\n};\n\ntype MockEthereumProvider = EventEmitter & {\n  request: () => Promise<any>;\n};\n\n/**\n * Get a mock snap API, that always returns `true` for requests.\n *\n * @returns A mocked snap provider.\n */\nfunction getMockSnapGlobal(): MockSnapGlobal {\n  return { request: async () => true };\n}\n\n/**\n * Get a mock Ethereum provider, that always returns `true` for requests.\n *\n * @returns A mocked ethereum provider.\n */\nfunction getMockEthereumProvider(): MockEthereumProvider {\n  const mockProvider = new EventEmitter() as Partial<MockEthereumProvider>;\n  mockProvider.request = async () => true;\n  return mockProvider as MockEthereumProvider;\n}\n\n/**\n * Check if a value is a constructor.\n *\n * @param value - The value to check.\n * @returns `true` if the value is a constructor, or `false` otherwise.\n */\nexport const isConstructor = (value: any) =>\n  Boolean(typeof value?.prototype?.constructor?.name === 'string');\n\n/**\n * A function that always returns `true`.\n *\n * @returns `true`.\n */\nconst mockFunction = () => true;\nclass MockClass {}\n\nconst handler = {\n  construct(Target: any, args: any[]): any {\n    return new Proxy(new Target(...args), handler);\n  },\n  get(_target: any, _prop: any) {\n    return mockFunction;\n  },\n};\n\n/**\n * Generate a mock class for a given value. The value is wrapped in a Proxy, and\n * all methods are replaced with a mock function.\n *\n * @param value - The value to mock.\n * @returns A mock class.\n */\nconst generateMockClass = (value: any) => {\n  return new Proxy(value, handler);\n};\n\n// Things not currently auto-mocked because of NodeJS, by adding them here we\n// have types for them and can use that to generate mocks if needed.\nconst mockWindow: Record<string, unknown> = {\n  crypto,\n  SubtleCrypto: MockClass,\n};\n\n/**\n * Generate a mock endowment for a certain class or function on the `globalThis`\n * object.\n *\n * @param key - The key to generate the mock endowment for.\n * @returns A mocked class or function. If the key is part of the default\n * endowments, the original value is returned.\n */\nconst generateMockEndowment = (key: string) => {\n  const globalValue = (globalThis as any)[key];\n\n  // Default exposed APIs don't need to be mocked\n  if (globalValue && DEFAULT_ENDOWMENTS.includes(key)) {\n    return globalValue;\n  }\n\n  // Fall back to mockWindow for certain APIs not exposed in global in Node.JS\n  const globalOrMocked = globalValue ?? mockWindow[key];\n\n  const type = typeof globalOrMocked;\n  const isFunction = type === 'function';\n  if (isFunction && isConstructor(globalOrMocked)) {\n    return generateMockClass(globalOrMocked);\n  } else if (isFunction || !globalOrMocked) {\n    // Fall back to function mock for now\n    return mockFunction;\n  }\n  return globalOrMocked;\n};\n\n/**\n * Generate mock endowments for all the APIs as defined in {@link ALL_APIS}.\n *\n * @returns A map of endowments.\n */\nexport const generateMockEndowments = () => {\n  return ALL_APIS.reduce<Record<string, any>>(\n    (acc, cur) => ({ ...acc, [cur]: generateMockEndowment(cur) }),\n    { snap: getMockSnapGlobal(), ethereum: getMockEthereumProvider() },\n  );\n};\n"]}