mirror of
https://github.com/angular/angular-cli.git
synced 2025-05-17 19:13:34 +08:00
b2b536789b
Previously, the workspace configuration file was found and loaded by individual commands potentially multiple times. This change moves the initial workspace location discovery and loading of the workspace to the CLI startup. It also provides the workspace to each command so that the commands can reuse the already loaded and parsed workspace configuration.
623 lines
20 KiB
TypeScript
623 lines
20 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {
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json,
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logging,
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normalize,
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schema,
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strings,
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tags,
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virtualFs,
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workspaces,
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} from '@angular-devkit/core';
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import { NodeJsSyncHost } from '@angular-devkit/core/node';
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import {
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DryRunEvent,
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UnsuccessfulWorkflowExecution,
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formats,
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workflow,
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} from '@angular-devkit/schematics';
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import {
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FileSystemCollection,
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FileSystemEngine,
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FileSystemSchematic,
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FileSystemSchematicDescription,
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NodeWorkflow,
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validateOptionsWithSchema,
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} from '@angular-devkit/schematics/tools';
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import * as inquirer from 'inquirer';
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import * as systemPath from 'path';
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import { colors } from '../utilities/color';
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import {
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getProjectByCwd,
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getSchematicDefaults,
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getWorkspace,
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getWorkspaceRaw,
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} from '../utilities/config';
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import { parseJsonSchemaToOptions } from '../utilities/json-schema';
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import { getPackageManager } from '../utilities/package-manager';
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import { isTTY } from '../utilities/tty';
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import { isPackageNameSafeForAnalytics } from './analytics';
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import { BaseCommandOptions, Command } from './command';
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import { Arguments, CommandContext, CommandDescription, Option } from './interface';
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import { parseArguments, parseFreeFormArguments } from './parser';
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export interface BaseSchematicSchema {
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debug?: boolean;
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dryRun?: boolean;
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force?: boolean;
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interactive?: boolean;
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defaults?: boolean;
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packageRegistry?: string;
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}
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export interface RunSchematicOptions extends BaseSchematicSchema {
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collectionName: string;
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schematicName: string;
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additionalOptions?: { [key: string]: {} };
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schematicOptions?: string[];
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showNothingDone?: boolean;
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}
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export class UnknownCollectionError extends Error {
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constructor(collectionName: string) {
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super(`Invalid collection (${collectionName}).`);
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}
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}
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export abstract class SchematicCommand<
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T extends BaseSchematicSchema & BaseCommandOptions
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> extends Command<T> {
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readonly allowPrivateSchematics: boolean = false;
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protected _workflow!: NodeWorkflow;
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protected defaultCollectionName = '@schematics/angular';
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protected collectionName = this.defaultCollectionName;
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protected schematicName?: string;
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constructor(context: CommandContext, description: CommandDescription, logger: logging.Logger) {
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super(context, description, logger);
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}
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public async initialize(options: T & Arguments) {
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await this.createWorkflow(options);
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if (this.schematicName) {
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// Set the options.
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const collection = this.getCollection(this.collectionName);
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const schematic = this.getSchematic(collection, this.schematicName, true);
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const options = await parseJsonSchemaToOptions(
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this._workflow.registry,
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schematic.description.schemaJson || {},
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);
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this.description.options.push(...options.filter(x => !x.hidden));
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// Remove any user analytics from schematics that are NOT part of our safelist.
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for (const o of this.description.options) {
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if (o.userAnalytics && !isPackageNameSafeForAnalytics(this.collectionName)) {
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o.userAnalytics = undefined;
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}
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}
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}
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}
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public async printHelp() {
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await super.printHelp();
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this.logger.info('');
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const subCommandOption = this.description.options.filter(x => x.subcommands)[0];
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if (!subCommandOption || !subCommandOption.subcommands) {
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return 0;
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}
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const schematicNames = Object.keys(subCommandOption.subcommands);
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if (schematicNames.length > 1) {
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this.logger.info('Available Schematics:');
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const namesPerCollection: { [c: string]: string[] } = {};
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schematicNames.forEach(name => {
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let [collectionName, schematicName] = name.split(/:/, 2);
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if (!schematicName) {
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schematicName = collectionName;
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collectionName = this.collectionName;
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}
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if (!namesPerCollection[collectionName]) {
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namesPerCollection[collectionName] = [];
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}
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namesPerCollection[collectionName].push(schematicName);
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});
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const defaultCollection = await this.getDefaultSchematicCollection();
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Object.keys(namesPerCollection).forEach(collectionName => {
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const isDefault = defaultCollection == collectionName;
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this.logger.info(` Collection "${collectionName}"${isDefault ? ' (default)' : ''}:`);
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namesPerCollection[collectionName].forEach(schematicName => {
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this.logger.info(` ${schematicName}`);
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});
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});
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} else if (schematicNames.length == 1) {
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this.logger.info('Help for schematic ' + schematicNames[0]);
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await this.printHelpSubcommand(subCommandOption.subcommands[schematicNames[0]]);
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}
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return 0;
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}
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async printHelpUsage() {
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const subCommandOption = this.description.options.filter(x => x.subcommands)[0];
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if (!subCommandOption || !subCommandOption.subcommands) {
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return;
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}
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const schematicNames = Object.keys(subCommandOption.subcommands);
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if (schematicNames.length == 1) {
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this.logger.info(this.description.description);
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const opts = this.description.options.filter(x => x.positional === undefined);
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const [collectionName, schematicName] = schematicNames[0].split(/:/)[0];
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// Display <collectionName:schematicName> if this is not the default collectionName,
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// otherwise just show the schematicName.
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const displayName =
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collectionName == (await this.getDefaultSchematicCollection())
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? schematicName
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: schematicNames[0];
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const schematicOptions = subCommandOption.subcommands[schematicNames[0]].options;
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const schematicArgs = schematicOptions.filter(x => x.positional !== undefined);
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const argDisplay =
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schematicArgs.length > 0
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? ' ' + schematicArgs.map(a => `<${strings.dasherize(a.name)}>`).join(' ')
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: '';
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this.logger.info(tags.oneLine`
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usage: ng ${this.description.name} ${displayName}${argDisplay}
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${opts.length > 0 ? `[options]` : ``}
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`);
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this.logger.info('');
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} else {
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await super.printHelpUsage();
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}
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}
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protected getEngine(): FileSystemEngine {
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return this._workflow.engine;
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}
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protected getCollection(collectionName: string): FileSystemCollection {
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const engine = this.getEngine();
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const collection = engine.createCollection(collectionName);
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if (collection === null) {
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throw new UnknownCollectionError(collectionName);
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}
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return collection;
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}
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protected getSchematic(
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collection: FileSystemCollection,
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schematicName: string,
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allowPrivate?: boolean,
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): FileSystemSchematic {
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return collection.createSchematic(schematicName, allowPrivate);
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}
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protected setPathOptions(options: Option[], workingDir: string) {
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if (workingDir === '') {
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return {};
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}
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return options
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.filter(o => o.format === 'path')
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.map(o => o.name)
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.reduce(
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(acc, curr) => {
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acc[curr] = workingDir;
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return acc;
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},
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{} as { [name: string]: string },
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);
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}
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/*
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* Runtime hook to allow specifying customized workflow
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*/
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protected async createWorkflow(options: BaseSchematicSchema): Promise<workflow.BaseWorkflow> {
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if (this._workflow) {
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return this._workflow;
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}
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const { force, dryRun } = options;
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const root = this.context.root;
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const fsHost = new virtualFs.ScopedHost(new NodeJsSyncHost(), normalize(root));
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const workflow = new NodeWorkflow(fsHost, {
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force,
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dryRun,
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packageManager: await getPackageManager(root),
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packageRegistry: options.packageRegistry,
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root: normalize(root),
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registry: new schema.CoreSchemaRegistry(formats.standardFormats),
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resolvePaths: !!this.workspace
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// Workspace
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? this.collectionName === this.defaultCollectionName
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// Favor __dirname for @schematics/angular to use the build-in version
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? [__dirname, process.cwd(), root]
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: [process.cwd(), root, __dirname]
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// Global
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: [__dirname, process.cwd()],
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});
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workflow.engineHost.registerContextTransform(context => {
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// This is run by ALL schematics, so if someone uses `externalSchematics(...)` which
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// is safelisted, it would move to the right analytics (even if their own isn't).
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const collectionName: string = context.schematic.collection.description.name;
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if (isPackageNameSafeForAnalytics(collectionName)) {
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return {
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...context,
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analytics: this.analytics,
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};
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} else {
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return context;
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}
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});
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const getProjectName = () => {
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if (this.workspace) {
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const projectNames = getProjectsByPath(this.workspace, process.cwd(), this.workspace.basePath);
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if (projectNames.length === 1) {
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return projectNames[0];
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} else {
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if (projectNames.length > 1) {
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this.logger.warn(tags.oneLine`
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Two or more projects are using identical roots.
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Unable to determine project using current working directory.
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Using default workspace project instead.
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`);
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}
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const defaultProjectName = this.workspace.extensions['defaultProject'];
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if (typeof defaultProjectName === 'string' && defaultProjectName) {
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return defaultProjectName;
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}
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}
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}
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return undefined;
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};
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const defaultOptionTransform = async (
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schematic: FileSystemSchematicDescription,
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current: {},
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) => ({
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...(await getSchematicDefaults(schematic.collection.name, schematic.name, getProjectName())),
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...current,
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});
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workflow.engineHost.registerOptionsTransform(defaultOptionTransform);
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if (options.defaults) {
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workflow.registry.addPreTransform(schema.transforms.addUndefinedDefaults);
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} else {
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workflow.registry.addPostTransform(schema.transforms.addUndefinedDefaults);
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}
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workflow.engineHost.registerOptionsTransform(validateOptionsWithSchema(workflow.registry));
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workflow.registry.addSmartDefaultProvider('projectName', getProjectName);
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workflow.registry.useXDeprecatedProvider(msg => this.logger.warn(msg));
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if (options.interactive !== false && isTTY()) {
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workflow.registry.usePromptProvider((definitions: Array<schema.PromptDefinition>) => {
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const questions: inquirer.QuestionCollection = definitions.map(definition => {
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const question: inquirer.Question = {
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name: definition.id,
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message: definition.message,
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default: definition.default,
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};
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const validator = definition.validator;
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if (validator) {
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question.validate = input => validator(input);
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}
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switch (definition.type) {
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case 'confirmation':
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question.type = 'confirm';
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break;
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case 'list':
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question.type = definition.multiselect ? 'checkbox' : 'list';
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(question as inquirer.CheckboxQuestion).choices = definition.items?.map(item => {
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return typeof item == 'string'
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? item
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: {
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name: item.label,
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value: item.value,
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};
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});
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break;
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default:
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question.type = definition.type;
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break;
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}
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return question;
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});
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return inquirer.prompt(questions);
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});
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}
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return (this._workflow = workflow);
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}
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protected async getDefaultSchematicCollection(): Promise<string> {
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let workspace = await getWorkspace('local');
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if (workspace) {
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const project = getProjectByCwd(workspace);
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if (project && workspace.getProjectCli(project)) {
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const value = workspace.getProjectCli(project)['defaultCollection'];
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if (typeof value == 'string') {
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return value;
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}
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}
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if (workspace.getCli()) {
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const value = workspace.getCli()['defaultCollection'];
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if (typeof value == 'string') {
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return value;
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}
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}
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}
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workspace = await getWorkspace('global');
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if (workspace && workspace.getCli()) {
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const value = workspace.getCli()['defaultCollection'];
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if (typeof value == 'string') {
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return value;
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}
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}
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return this.defaultCollectionName;
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}
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protected async runSchematic(options: RunSchematicOptions) {
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const { schematicOptions, debug, dryRun } = options;
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let { collectionName, schematicName } = options;
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let nothingDone = true;
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let loggingQueue: string[] = [];
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let error = false;
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const workflow = this._workflow;
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const workingDir = normalize(systemPath.relative(this.context.root, process.cwd()));
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// Get the option object from the schematic schema.
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const schematic = this.getSchematic(
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this.getCollection(collectionName),
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schematicName,
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this.allowPrivateSchematics,
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);
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// Update the schematic and collection name in case they're not the same as the ones we
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// received in our options, e.g. after alias resolution or extension.
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collectionName = schematic.collection.description.name;
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schematicName = schematic.description.name;
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// TODO: Remove warning check when 'targets' is default
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if (collectionName !== this.defaultCollectionName) {
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const [ast, configPath] = getWorkspaceRaw('local');
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if (ast) {
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const projectsKeyValue = ast.properties.find(p => p.key.value === 'projects');
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if (!projectsKeyValue || projectsKeyValue.value.kind !== 'object') {
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return;
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}
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const positions: json.Position[] = [];
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for (const projectKeyValue of projectsKeyValue.value.properties) {
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const projectNode = projectKeyValue.value;
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if (projectNode.kind !== 'object') {
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continue;
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}
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const targetsKeyValue = projectNode.properties.find(p => p.key.value === 'targets');
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if (targetsKeyValue) {
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positions.push(targetsKeyValue.start);
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}
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}
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if (positions.length > 0) {
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const warning = tags.oneLine`
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Warning: This command may not execute successfully.
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The package/collection may not support the 'targets' field within '${configPath}'.
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This can be corrected by renaming the following 'targets' fields to 'architect':
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`;
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const locations = positions
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.map((p, i) => `${i + 1}) Line: ${p.line + 1}; Column: ${p.character + 1}`)
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.join('\n');
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this.logger.warn(warning + '\n' + locations + '\n');
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}
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}
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}
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// Set the options of format "path".
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let o: Option[] | null = null;
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let args: Arguments;
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if (!schematic.description.schemaJson) {
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args = await this.parseFreeFormArguments(schematicOptions || []);
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} else {
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o = await parseJsonSchemaToOptions(workflow.registry, schematic.description.schemaJson);
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args = await this.parseArguments(schematicOptions || [], o);
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}
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const allowAdditionalProperties =
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typeof schematic.description.schemaJson === 'object' && schematic.description.schemaJson.additionalProperties;
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if (args['--'] && !allowAdditionalProperties) {
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args['--'].forEach(additional => {
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this.logger.fatal(`Unknown option: '${additional.split(/=/)[0]}'`);
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});
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return 1;
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}
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const pathOptions = o ? this.setPathOptions(o, workingDir) : {};
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let input = { ...pathOptions, ...args };
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// Read the default values from the workspace.
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const projectName = input.project !== undefined ? '' + input.project : null;
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const defaults = await getSchematicDefaults(collectionName, schematicName, projectName);
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input = {
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...defaults,
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...input,
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...options.additionalOptions,
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};
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workflow.reporter.subscribe((event: DryRunEvent) => {
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nothingDone = false;
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// Strip leading slash to prevent confusion.
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const eventPath = event.path.startsWith('/') ? event.path.substr(1) : event.path;
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switch (event.kind) {
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case 'error':
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error = true;
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const desc = event.description == 'alreadyExist' ? 'already exists' : 'does not exist.';
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this.logger.warn(`ERROR! ${eventPath} ${desc}.`);
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break;
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case 'update':
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loggingQueue.push(tags.oneLine`
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${colors.cyan('UPDATE')} ${eventPath} (${event.content.length} bytes)
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`);
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break;
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case 'create':
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loggingQueue.push(tags.oneLine`
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${colors.green('CREATE')} ${eventPath} (${event.content.length} bytes)
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`);
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break;
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case 'delete':
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loggingQueue.push(`${colors.yellow('DELETE')} ${eventPath}`);
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break;
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case 'rename':
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const eventToPath = event.to.startsWith('/') ? event.to.substr(1) : event.to;
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loggingQueue.push(`${colors.blue('RENAME')} ${eventPath} => ${eventToPath}`);
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break;
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}
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});
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workflow.lifeCycle.subscribe(event => {
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if (event.kind == 'end' || event.kind == 'post-tasks-start') {
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if (!error) {
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// Output the logging queue, no error happened.
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loggingQueue.forEach(log => this.logger.info(log));
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}
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loggingQueue = [];
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error = false;
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}
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});
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return new Promise<number | void>(resolve => {
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workflow
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.execute({
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collection: collectionName,
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schematic: schematicName,
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options: input,
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debug: debug,
|
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logger: this.logger,
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allowPrivate: this.allowPrivateSchematics,
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})
|
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.subscribe({
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error: (err: Error) => {
|
|
// In case the workflow was not successful, show an appropriate error message.
|
|
if (err instanceof UnsuccessfulWorkflowExecution) {
|
|
// "See above" because we already printed the error.
|
|
this.logger.fatal('The Schematic workflow failed. See above.');
|
|
} else if (debug) {
|
|
this.logger.fatal(`An error occured:\n${err.message}\n${err.stack}`);
|
|
} else {
|
|
this.logger.fatal(err.message);
|
|
}
|
|
|
|
resolve(1);
|
|
},
|
|
complete: () => {
|
|
const showNothingDone = !(options.showNothingDone === false);
|
|
if (nothingDone && showNothingDone) {
|
|
this.logger.info('Nothing to be done.');
|
|
}
|
|
if (dryRun) {
|
|
this.logger.warn(`\nNOTE: The "dryRun" flag means no changes were made.`);
|
|
}
|
|
resolve();
|
|
},
|
|
});
|
|
});
|
|
}
|
|
|
|
protected async parseFreeFormArguments(schematicOptions: string[]) {
|
|
return parseFreeFormArguments(schematicOptions);
|
|
}
|
|
|
|
protected async parseArguments(
|
|
schematicOptions: string[],
|
|
options: Option[] | null,
|
|
): Promise<Arguments> {
|
|
return parseArguments(schematicOptions, options, this.logger);
|
|
}
|
|
}
|
|
|
|
function getProjectsByPath(
|
|
workspace: workspaces.WorkspaceDefinition,
|
|
path: string,
|
|
root: string,
|
|
): string[] {
|
|
if (workspace.projects.size === 1) {
|
|
return Array.from(workspace.projects.keys());
|
|
}
|
|
|
|
const isInside = (base: string, potential: string): boolean => {
|
|
const absoluteBase = systemPath.resolve(root, base);
|
|
const absolutePotential = systemPath.resolve(root, potential);
|
|
const relativePotential = systemPath.relative(absoluteBase, absolutePotential);
|
|
if (!relativePotential.startsWith('..') && !systemPath.isAbsolute(relativePotential)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
const projects = Array.from(workspace.projects.entries())
|
|
.map(([name, project]) => [systemPath.resolve(root, project.root), name] as [string, string])
|
|
.filter(tuple => isInside(tuple[0], path))
|
|
// Sort tuples by depth, with the deeper ones first. Since the first member is a path and
|
|
// we filtered all invalid paths, the longest will be the deepest (and in case of equality
|
|
// the sort is stable and the first declared project will win).
|
|
.sort((a, b) => b[0].length - a[0].length);
|
|
|
|
if (projects.length === 1) {
|
|
return [projects[0][1]];
|
|
} else if (projects.length > 1) {
|
|
const firstPath = projects[0][0];
|
|
|
|
return projects.filter(v => v[0] === firstPath).map(v => v[1]);
|
|
}
|
|
|
|
return [];
|
|
}
|