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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| import { | ||
| chain, | ||
| Rule, | ||
| SchematicContext, | ||
| TaskConfiguration, | ||
| TaskConfigurationGenerator, | ||
| TaskExecutorFactory, | ||
| Tree | ||
| } from '@angular-devkit/schematics'; | ||
| import { platform } from 'os'; | ||
| import { Observable } from 'rxjs'; | ||
| import { spawn } from 'child_process'; | ||
|
|
||
| let taskRegistered = false; | ||
|
|
||
| export function addUpdateTask(pkg: string, to: string): Rule { | ||
| return (host: Tree, context: SchematicContext) => { | ||
| // Workflow should always be there during ng update but not during tests. | ||
| if (!context.engine.workflow) { | ||
| return; | ||
| } | ||
| if (!taskRegistered) { | ||
| const engineHost = (context.engine.workflow as any)._engineHost; | ||
| engineHost.registerTaskExecutor(createRunUpdateTask()); | ||
|
|
||
| taskRegistered = true; | ||
| } | ||
| (context.engine as any)._taskSchedulers.forEach(scheduler => { | ||
| if ( | ||
| scheduler._queue.peek() && | ||
| scheduler._queue.peek().configuration.name === 'RunUpdate' && | ||
| scheduler._queue.peek().configuration.options.package === pkg | ||
| ) { | ||
| scheduler._queue.pop(); | ||
| } | ||
| }); | ||
|
|
||
| context.addTask(new RunUpdateTask(pkg, to)); | ||
| }; | ||
| } | ||
|
|
||
| interface UpdateTaskOptions { | ||
| package: string; | ||
| to: string; | ||
| } | ||
|
|
||
| class RunUpdateTask implements TaskConfigurationGenerator<UpdateTaskOptions> { | ||
| constructor(private _pkg: string, private _to: string) {} | ||
|
|
||
| toConfiguration(): TaskConfiguration<UpdateTaskOptions> { | ||
| return { | ||
| name: 'RunUpdate', | ||
| options: { | ||
| package: this._pkg, | ||
| to: this._to | ||
| } | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| function createRunUpdateTask(): TaskExecutorFactory<UpdateTaskOptions> { | ||
| return { | ||
| name: 'RunUpdate', | ||
| create: () => { | ||
| return Promise.resolve( | ||
| (options: UpdateTaskOptions, context: SchematicContext) => { | ||
| context.logger.info(`Updating ${options.package} to ${options.to}`); | ||
| const spawnOptions = { | ||
| stdio: [process.stdin, process.stdout, process.stderr], | ||
| shell: true | ||
| }; | ||
| const ng = | ||
| platform() === 'win32' | ||
| ? '.\\node_modules\\.bin\\ng' | ||
| : './node_modules/.bin/ng'; | ||
| const args = [ | ||
| 'update', | ||
| `${options.package}@${options.to}`, | ||
| '--force', | ||
| '--allow-dirty' | ||
| ].filter(e => !!e); | ||
| return new Observable(obs => { | ||
| spawn(ng, args, spawnOptions).on('close', (code: number) => { | ||
| if (code === 0) { | ||
| obs.next(); | ||
| obs.complete(); | ||
| } else { | ||
| const message = `${ | ||
| options.package | ||
| } migration failed, see above.`; | ||
| obs.error(new Error(message)); | ||
| } | ||
| }); | ||
| }); | ||
| } | ||
| ); | ||
| } | ||
| }; | ||
| } |