build failed

[ymbrite]

hi.

in vercel.com's console：

17:10:52.052 Running build in Washington, D.C., USA (East) – iad1
17:10:52.056 Build machine configuration: 2 cores, 8 GB
17:10:52.280 Cloning github.com/ymbrite/tdg (Branch: main, Commit: a0903c0)
17:10:52.282 Previous build caches not available.
17:10:53.274 Cloning completed: 993.000ms
17:10:53.966 Running "vercel build"
17:10:54.954 Vercel CLI 50.4.10
17:10:55.246 Installing dependencies...
17:11:44.223 npm warn deprecated inflight@1.0.6: This module is not supported, and leaks memory. Do not use it. Check out lru-cache if you want a good and tested way to coalesce async requests by a key value, which is much more comprehensive and powerful.
17:11:44.238 npm warn deprecated rimraf@3.0.2: Rimraf versions prior to v4 are no longer supported
17:11:44.732 npm warn deprecated glob@7.1.7: Glob versions prior to v9 are no longer supported
17:11:45.066 npm warn deprecated @humanwhocodes/object-schema@2.0.3: Use @eslint/object-schema instead
17:11:45.127 npm warn deprecated @humanwhocodes/config-array@0.11.14: Use @eslint/config-array instead
17:11:45.954 npm warn deprecated node-domexception@1.0.0: Use your platform's native DOMException instead
17:11:51.182 npm warn deprecated eslint@8.48.0: This version is no longer supported. Please see https://eslint.org/version-support for other options.
17:11:57.298 npm warn deprecated next@13.4.9: This version has a security vulnerability. Please upgrade to a patched version. See https://nextjs.org/blog/security-update-2025-12-11 for more details.
17:12:00.305
17:12:00.305 > digital-garden@0.7.2 prepare
17:12:00.305 > husky install
17:12:00.305
17:12:00.341 husky - Git hooks installed
17:12:00.370
17:12:00.370 added 840 packages in 1m
17:12:00.370
17:12:00.370 317 packages are looking for funding
17:12:00.371 run npm fund for details
17:12:00.691 Detected Next.js version: 13.4.9
17:12:00.700 Running "npm run build"
17:12:00.923
17:12:00.923 > digital-garden@0.7.2 build
17:12:00.923 > contentlayer build && next build
17:12:00.923
17:12:03.464 successCallback /vercel/path0/.contentlayer
17:12:03.499 SuccessCallbackError {
17:12:03.499 error: SyntaxError: Unexpected identifier 'assert'
17:12:03.500 at compileSourceTextModule (node:internal/modules/esm/utils:318:16)
17:12:03.500 at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:111:18)
17:12:03.500 at ModuleLoader.#translate (node:internal/modules/esm/loader:473:20)
17:12:03.500 at afterLoad (node:internal/modules/esm/loader:529:29)
17:12:03.500 at ModuleLoader.loadAndTranslate (node:internal/modules/esm/loader:534:12)
17:12:03.501 at ModuleLoader.#getOrCreateModuleJobAfterResolve (node:internal/modules/esm/loader:571:36)
17:12:03.501 at afterResolve (node:internal/modules/esm/loader:624:52)
17:12:03.501 at ModuleLoader.getOrCreateModuleJob (node:internal/modules/esm/loader:630:12)
17:12:03.501 at onImport.tracePromise.proto (node:internal/modules/esm/loader:649:32)
17:12:03.501 at TracingChannel.tracePromise (node:diagnostics_channel:350:14),
17:12:03.501 _tag: 'SuccessCallbackError',
17:12:03.501 toString: [Function (anonymous)],
17:12:03.501 Symbol(): {
17:12:03.501 error: SyntaxError: Unexpected identifier 'assert'
17:12:03.501 at compileSourceTextModule (node:internal/modules/esm/utils:318:16)
17:12:03.501 at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:111:18)
17:12:03.501 at ModuleLoader.#translate (node:internal/modules/esm/loader:473:20)
17:12:03.502 at afterLoad (node:internal/modules/esm/loader:529:29)
17:12:03.502 at ModuleLoader.loadAndTranslate (node:internal/modules/esm/loader:534:12)
17:12:03.502 at ModuleLoader.#getOrCreateModuleJobAfterResolve (node:internal/modules/esm/loader:571:36)
17:12:03.502 at afterResolve (node:internal/modules/esm/loader:624:52)
17:12:03.502 at ModuleLoader.getOrCreateModuleJob (node:internal/modules/esm/loader:630:12)
17:12:03.502 at onImport.tracePromise.proto (node:internal/modules/esm/loader:649:32)
17:12:03.502 at TracingChannel.tracePromise (node:diagnostics_channel:350:14)
17:12:03.502 },
17:12:03.502 Symbol(): [ 'error' ]
17:12:03.502 }
17:12:03.531 Error: Command "npm run build" exited with 1

how to fix it?
thank you