* The main handler for dev mode. Steps include: * - Packaging the shim and setting it as the service deployment artifact. * - Updating the service to use the shim. * - Spawn a deployment, which will deploy the shim. * - Restoring the state to what it was before. * - Connect to IoT ove
()
| 348 | * @returns {Promise<void>} This method is long running, so it does not return a value. |
| 349 | */ |
| 350 | async dev() { |
| 351 | this.validateModeOption() |
| 352 | |
| 353 | if (this.shouldUseAgentsDevMode()) { |
| 354 | return await this.startAgentsDevMode() |
| 355 | } |
| 356 | |
| 357 | const mainProgress = progress.get('main') |
| 358 | |
| 359 | this.validateOnExitOption() |
| 360 | |
| 361 | this.serverless.devmodeEnabled = true |
| 362 | logger.logoDevMode() |
| 363 | |
| 364 | // Educate |
| 365 | logger.blankLine() |
| 366 | logger.aside( |
| 367 | `Dev Mode redirects live AWS Lambda events to your local code enabling you to develop faster without the slowness of deploying changes.`, |
| 368 | ) |
| 369 | logger.blankLine() |
| 370 | logger.aside( |
| 371 | `Docs: https://www.serverless.com/framework/docs/providers/aws/cli-reference/dev`, |
| 372 | ) |
| 373 | logger.blankLine() |
| 374 | logger.aside( |
| 375 | `Run "serverless deploy" after a Dev Mode session to restore original code.`, |
| 376 | ) |
| 377 | |
| 378 | mainProgress.notice('Connecting') |
| 379 | |
| 380 | // TODO: This should be applied more selectively |
| 381 | // usePolling is enabled because chokidar v4 removed fsevents support, |
| 382 | // causing "EMFILE: too many open files" errors on macOS with large projects |
| 383 | chokidar |
| 384 | .watch(this.serverless.config.serviceDir, { |
| 385 | ignored: /\.serverless/, |
| 386 | ignoreInitial: true, |
| 387 | usePolling: true, |
| 388 | }) |
| 389 | .on('all', async (event, path) => { |
| 390 | await this.serverless.pluginManager.spawn('dev-build') |
| 391 | }) |
| 392 | |
| 393 | this.validateRegion() |
| 394 | |
| 395 | await this.update() |
| 396 | |
| 397 | this._updateHooks() |
| 398 | |
| 399 | logger.debug( |
| 400 | `Spawning the deploy command to instrument your AWS Lambda functions with the dev mode shim`, |
| 401 | ) |
| 402 | await this.serverless.pluginManager.spawn('deploy') |
| 403 | |
| 404 | this.logOutputs() |
| 405 | |
| 406 | // After deploying the shim, clear any package artifacts from the in-memory service config |
| 407 | // so that local dev builds (dev-build) do not skip building due to pre-set artifacts. |
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