@intlayer/config/dist/cjs/loadExternalFile/parseFileContent.cjs.map

Retrieve Intlayer configurations and manage environment variables for both server-side and client-side environments.

{"version":3,"file":"parseFileContent.cjs","names":["getProjectRequire","loadEnvFile"],"sources":["../../../src/loadExternalFile/parseFileContent.ts"],"sourcesContent":["import { type Context, runInNewContext } from 'node:vm';\nimport * as esbuild from 'esbuild';\nimport { type LoadEnvFileOptions, loadEnvFile } from '../loadEnvFile';\nimport { getProjectRequire } from '../utils/ESMxCJSHelpers';\n\nexport type SandBoxContextOptions = {\n  envVarOptions?: LoadEnvFileOptions;\n  projectRequire?: NodeJS.Require;\n  additionalEnvVars?: Record<string, string>;\n  /**\n   * Map of specifier -> mocked export to be returned when code in the VM calls require(specifier).\n   * Example:\n   *   mocks: {\n   *     '@intlayer/config/built': { getConfig: () => ({}), Locales: {} }\n   *   }\n   */\n  mocks?: Record<string, any>;\n  /**\n   * Optional alias map if you want to redirect specifiers.\n   * Useful when user code imports a subpath you want to collapse.\n   * Example:\n   *   aliases: { '@intlayer/config/built': '@intlayer/config' }\n   */\n  aliases?: Record<string, string>;\n};\n\n// Inject only Node.js-specific globals that are absent from a plain V8 context.\n// JS built-ins (Object, Array, Promise, Math, Date, JSON, Symbol, etc.) are\n// provided automatically by runInNewContext — no need to copy them.\n// Copying all of globalThis would retain hundreds of references (including the\n// full module cache via `global`) inside every sandbox, causing a memory leak.\nconst NODE_GLOBALS = [\n  'Buffer',\n  'setTimeout',\n  'clearTimeout',\n  'setInterval',\n  'clearInterval',\n  'setImmediate',\n  'clearImmediate',\n  'queueMicrotask',\n  'URL',\n  'URLSearchParams',\n  'TextEncoder',\n  'TextDecoder',\n  'AbortController',\n  'AbortSignal',\n  'performance',\n  'fetch',\n  'crypto',\n  'structuredClone',\n] as const;\n\nexport const getSandBoxContext = (options?: SandBoxContextOptions): Context => {\n  const { envVarOptions, projectRequire, additionalEnvVars, mocks, aliases } =\n    options ?? {};\n\n  let additionalGlobalVar = {};\n\n  const baseRequire: NodeJS.Require =\n    typeof projectRequire === 'function' ? projectRequire : getProjectRequire();\n\n  // Wrap require to honor mocks and aliases inside the VM\n  const mockedRequire: NodeJS.Require = (() => {\n    const mockTable = Object.assign(\n      {\n        esbuild,\n      },\n      mocks\n    );\n    const aliasTable = Object.assign({}, aliases);\n\n    const wrappedRequire = function mockableRequire(id: string) {\n      const target = aliasTable?.[id] ? aliasTable[id] : id;\n\n      if (mockTable && Object.hasOwn(mockTable, target)) {\n        return mockTable[target];\n      }\n\n      // If the original id was aliased, allow mocks to be defined on either key.\n      if (target !== id && mockTable && Object.hasOwn(mockTable, id)) {\n        return mockTable[id];\n      }\n\n      return baseRequire(target);\n    } as NodeJS.Require;\n\n    // Mirror NodeJS.Require properties\n    wrappedRequire.resolve = baseRequire.resolve.bind(baseRequire);\n    wrappedRequire.main = baseRequire.main;\n    wrappedRequire.extensions = baseRequire.extensions;\n    wrappedRequire.cache = baseRequire.cache;\n\n    return wrappedRequire;\n  })();\n\n  try {\n    // Dynamically try to require React if it's installed in the project\n    additionalGlobalVar = {\n      React: baseRequire('react'),\n    };\n  } catch (_err) {\n    // React is not installed, so we inject a dummy React object to capture JSX elements\n    // This allows using JSX in content declarations even if React is not installed (e.g. in Solid.js or Vue projects)\n    // because esbuild's tsx loader defaults to React.createElement.\n    additionalGlobalVar = {\n      React: {\n        createElement: (type: any, props: any, ...children: any[]) => ({\n          type,\n          props: {\n            ...props,\n            children: children.length <= 1 ? children[0] : children,\n          },\n        }),\n        Fragment: Symbol.for('react.fragment'),\n      },\n    };\n  }\n\n  const sandboxContext: Context = {\n    exports: {\n      default: {},\n    },\n    module: {\n      exports: {},\n    },\n    process: {\n      ...process,\n      env: {\n        ...process.env,\n        ...loadEnvFile(envVarOptions),\n        ...additionalEnvVars,\n      },\n    },\n    console,\n    require: mockedRequire,\n    ...additionalGlobalVar,\n  };\n\n  for (const key of NODE_GLOBALS) {\n    if (!(key in sandboxContext) && key in globalThis) {\n      (sandboxContext as Record<string, unknown>)[key] =\n        globalThis[key as keyof typeof globalThis];\n    }\n  }\n\n  return sandboxContext;\n};\n\nexport const parseFileContent = <T>(\n  fileContentString: string,\n  options?: SandBoxContextOptions\n): T | undefined => {\n  const sandboxContext = getSandBoxContext(options);\n\n  // Force strict mode so illegal writes throw instead of silently failing.\n  runInNewContext(`\"use strict\";\\n${fileContentString}`, sandboxContext);\n\n  const candidates: unknown[] = [\n    sandboxContext.exports?.default,\n    sandboxContext.module?.exports?.defaults,\n    sandboxContext.module?.exports?.default,\n    sandboxContext.module?.exports,\n  ];\n\n  let result: T | undefined;\n  for (const candidate of candidates) {\n    if (\n      candidate &&\n      typeof candidate === 'object' &&\n      Object.keys(candidate as object).length > 0\n    ) {\n      result = candidate as T;\n      break;\n    }\n  }\n\n  // Drop heavy references so the V8 context created by runInNewContext can be\n  // garbage-collected promptly. The extracted `result` is a plain data object\n  // and does not retain the sandbox.\n  (sandboxContext as Record<string, unknown>).require = undefined;\n  (sandboxContext as Record<string, unknown>).process = undefined;\n  (sandboxContext as Record<string, unknown>).React = undefined;\n  (sandboxContext as Record<string, unknown>).module = undefined;\n  (sandboxContext as Record<string, unknown>).exports = undefined;\n\n  return result;\n};\n"],"mappings":";;;;;;;;;AA+BA,MAAM,eAAe;CACnB;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACA;CACD;AAED,MAAa,qBAAqB,YAA6C;CAC7E,MAAM,EAAE,eAAe,gBAAgB,mBAAmB,OAAO,YAC/D,WAAW,EAAE;CAEf,IAAI,sBAAsB,EAAE;CAE5B,MAAM,cACJ,OAAO,mBAAmB,aAAa,iBAAiBA,gDAAmB;CAG7E,MAAM,uBAAuC;EAC3C,MAAM,YAAY,OAAO,OACvB,EACE,SACD,EACD,MACD;EACD,MAAM,aAAa,OAAO,OAAO,EAAE,EAAE,QAAQ;EAE7C,MAAM,iBAAiB,SAAS,gBAAgB,IAAY;GAC1D,MAAM,SAAS,aAAa,MAAM,WAAW,MAAM;AAEnD,OAAI,aAAa,OAAO,OAAO,WAAW,OAAO,CAC/C,QAAO,UAAU;AAInB,OAAI,WAAW,MAAM,aAAa,OAAO,OAAO,WAAW,GAAG,CAC5D,QAAO,UAAU;AAGnB,UAAO,YAAY,OAAO;;AAI5B,iBAAe,UAAU,YAAY,QAAQ,KAAK,YAAY;AAC9D,iBAAe,OAAO,YAAY;AAClC,iBAAe,aAAa,YAAY;AACxC,iBAAe,QAAQ,YAAY;AAEnC,SAAO;KACL;AAEJ,KAAI;AAEF,wBAAsB,EACpB,OAAO,YAAY,QAAQ,EAC5B;UACM,MAAM;AAIb,wBAAsB,EACpB,OAAO;GACL,gBAAgB,MAAW,OAAY,GAAG,cAAqB;IAC7D;IACA,OAAO;KACL,GAAG;KACH,UAAU,SAAS,UAAU,IAAI,SAAS,KAAK;KAChD;IACF;GACD,UAAU,OAAO,IAAI,iBAAiB;GACvC,EACF;;CAGH,MAAM,iBAA0B;EAC9B,SAAS,EACP,SAAS,EAAE,EACZ;EACD,QAAQ,EACN,SAAS,EAAE,EACZ;EACD,SAAS;GACP,GAAG;GACH,KAAK;IACH,GAAG,QAAQ;IACX,GAAGC,gCAAY,cAAc;IAC7B,GAAG;IACJ;GACF;EACD;EACA,SAAS;EACT,GAAG;EACJ;AAED,MAAK,MAAM,OAAO,aAChB,KAAI,EAAE,OAAO,mBAAmB,OAAO,WACrC,CAAC,eAA2C,OAC1C,WAAW;AAIjB,QAAO;;AAGT,MAAa,oBACX,mBACA,YACkB;CAClB,MAAM,iBAAiB,kBAAkB,QAAQ;AAGjD,8BAAgB,kBAAkB,qBAAqB,eAAe;CAEtE,MAAM,aAAwB;EAC5B,eAAe,SAAS;EACxB,eAAe,QAAQ,SAAS;EAChC,eAAe,QAAQ,SAAS;EAChC,eAAe,QAAQ;EACxB;CAED,IAAI;AACJ,MAAK,MAAM,aAAa,WACtB,KACE,aACA,OAAO,cAAc,YACrB,OAAO,KAAK,UAAoB,CAAC,SAAS,GAC1C;AACA,WAAS;AACT;;AAOJ,CAAC,eAA2C,UAAU;AACtD,CAAC,eAA2C,UAAU;AACtD,CAAC,eAA2C,QAAQ;AACpD,CAAC,eAA2C,SAAS;AACrD,CAAC,eAA2C,UAAU;AAEtD,QAAO"}