(
destPath: string,
fallbackVersion = process.env.VERCEL_PROJECT_SETTINGS_NODE_VERSION,
config: Config = {},
meta: Meta = {},
availableVersions = getAvailableNodeVersions()
)
| 340 | } |
| 341 | |
| 342 | export async function getNodeVersion( |
| 343 | destPath: string, |
| 344 | fallbackVersion = process.env.VERCEL_PROJECT_SETTINGS_NODE_VERSION, |
| 345 | config: Config = {}, |
| 346 | meta: Meta = {}, |
| 347 | availableVersions = getAvailableNodeVersions() |
| 348 | ): Promise<NodeVersion | BunVersion> { |
| 349 | // All the different versions/sources to consider |
| 350 | const { packageJson } = await findPackageJson(destPath, true); |
| 351 | const packageJsonNodeVersion = packageJson?.engines?.node; |
| 352 | const packageJsonBunVersion = packageJson?.engines?.bun; |
| 353 | |
| 354 | const latestNodeVersion = getLatestNodeVersion(availableVersions); |
| 355 | |
| 356 | // Determine the target runtime |
| 357 | let targetRuntime: 'node' | 'bun'; |
| 358 | if (packageJsonNodeVersion && packageJsonBunVersion) { |
| 359 | // If package.json specifies both Node and Bun |
| 360 | if (config.bunVersion) { |
| 361 | // if vercel.json specifies a bun version, use bun |
| 362 | targetRuntime = 'bun'; |
| 363 | console.warn( |
| 364 | `Warning detected "engines": { "node": ..., "bun": ... } in \`package.json\`. Since "bunVersion" is set in \`vercel.json\`, using "bun".` |
| 365 | ); |
| 366 | } else { |
| 367 | // otherwise default to node |
| 368 | targetRuntime = 'node'; |
| 369 | console.warn( |
| 370 | `Warning detected "engines": { "node": ..., "bun": ... } in \`package.json\`. Defaulting to "node".` |
| 371 | ); |
| 372 | } |
| 373 | } else if (packageJsonNodeVersion) { |
| 374 | targetRuntime = 'node'; |
| 375 | if (config.bunVersion) { |
| 376 | console.warn( |
| 377 | `Warning detected "engines": { "node": ... } in \`package.json\` and "bunVersion" in \`vercel.json\`. \`package.json\` takes precedence, using "node".` |
| 378 | ); |
| 379 | } |
| 380 | } else if (packageJsonBunVersion || config.bunVersion) { |
| 381 | targetRuntime = 'bun'; |
| 382 | } else { |
| 383 | // If no target runtime is determined, fallback to the configured node version |
| 384 | targetRuntime = 'node'; |
| 385 | } |
| 386 | |
| 387 | // For `vercel dev`, return the latest node or bun version |
| 388 | if (meta.isDev) { |
| 389 | if (targetRuntime === 'node') { |
| 390 | // Use the system-installed version of `node` in PATH for `vercel dev` |
| 391 | latestNodeVersion.runtime = 'nodejs'; |
| 392 | return latestNodeVersion; |
| 393 | } else { |
| 394 | // Hard coded for now... |
| 395 | return getSupportedBunVersion('1.x'); |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | // Get the version for the target runtime |
no test coverage detected