UNPKG

@nestjs/schematics

Version:

Nest - modern, fast, powerful node.js web framework (@schematics)

148 lines (147 loc) 6.01 kB
import { join, strings } from '@angular-devkit/core'; import { classify } from '@angular-devkit/core/src/utils/strings'; import { apply, branchAndMerge, chain, filter, mergeWith, move, noop, SchematicsException, template, url, } from '@angular-devkit/schematics'; import { NodePackageInstallTask } from '@angular-devkit/schematics/tasks/index.js'; import pluralize from 'pluralize'; import { ModuleDeclarator, ModuleFinder, } from '../../index.js'; import { addPackageJsonDependency, getPackageJsonDependency, NodeDependencyType, } from '../../utils/dependencies.utils.js'; import { formatFiles } from '../../utils/format-files.rule.js'; import { normalizeToKebabOrSnakeCase } from '../../utils/formatting.js'; import { NameParser } from '../../utils/name.parser.js'; import { isEsmProject, mergeSourceRoot, } from '../../utils/source-root.helpers.js'; export function main(options) { options = transform(options); return (tree, context) => { options.isEsm = isEsmProject(tree); return branchAndMerge(chain([ addMappedTypesDependencyIfApplies(options), mergeSourceRoot(options), addDeclarationToModule(options), mergeWith(generate(options)), options.format === true ? formatFiles() : noop(), ]))(tree, context); }; } function transform(options) { const target = Object.assign({}, options); if (!target.name) { throw new SchematicsException('Option (name) is required.'); } target.metadata = 'imports'; const location = new NameParser().parse(target); target.name = normalizeToKebabOrSnakeCase(location.name); target.path = normalizeToKebabOrSnakeCase(location.path); target.language = target.language !== undefined ? target.language : 'ts'; if (target.language === 'js') { throw new Error('The "resource" schematic does not support JavaScript language (only TypeScript is supported).'); } target.specFileSuffix = normalizeToKebabOrSnakeCase(options.specFileSuffix || 'spec'); target.path = target.flat ? target.path : join(target.path, target.name); target.isSwaggerInstalled = options.isSwaggerInstalled ?? false; return target; } function generate(options) { return (context) => apply(url(join('./files', options.language)), [ filter((path) => { if (path.endsWith('.dto.ts')) { return (options.type !== 'graphql-code-first' && options.type !== 'graphql-schema-first' && !!options.crud); } if (path.endsWith('.input.ts')) { return ((options.type === 'graphql-code-first' || options.type === 'graphql-schema-first') && !!options.crud); } if (path.endsWith('.resolver.ts') || path.endsWith('.resolver.__specFileSuffix__.ts')) { return (options.type === 'graphql-code-first' || options.type === 'graphql-schema-first'); } if (path.endsWith('.graphql')) { return options.type === 'graphql-schema-first' && !!options.crud; } if (path.endsWith('controller.ts') || path.endsWith('.controller.__specFileSuffix__.ts')) { return options.type === 'microservice' || options.type === 'rest'; } if (path.endsWith('.gateway.ts') || path.endsWith('.gateway.__specFileSuffix__.ts')) { return options.type === 'ws'; } if (path.includes('@ent')) { return !!options.crud; } return true; }), options.spec ? noop() : filter((path) => { const suffix = `.__specFileSuffix__.ts`; return !path.endsWith(suffix); }), template({ ...strings, ...options, lowercased: (name) => { const classifiedName = classify(name); return (classifiedName.charAt(0).toLowerCase() + classifiedName.slice(1)); }, singular: (name) => pluralize.singular(name), ent: (name) => name + '.entity', }), move(options.path), ])(context); } function addDeclarationToModule(options) { return (tree) => { if (options.skipImport !== undefined && options.skipImport) { return tree; } options.module = new ModuleFinder(tree).find({ name: options.name, path: options.path, }) ?? undefined; if (!options.module) { return tree; } const content = tree.read(options.module).toString(); const declarator = new ModuleDeclarator(); tree.overwrite(options.module, declarator.declare(content, { ...options, type: 'module', isEsm: isEsmProject(tree), })); return tree; }; } function addMappedTypesDependencyIfApplies(options) { return (host, context) => { try { if (options.type === 'graphql-code-first') { return; } if (options.type === 'rest') { const nodeDependencyRef = getPackageJsonDependency(host, '@nestjs/swagger'); if (nodeDependencyRef) { options.isSwaggerInstalled = true; return; } } const nodeDependencyRef = getPackageJsonDependency(host, '@nestjs/mapped-types'); if (!nodeDependencyRef) { addPackageJsonDependency(host, { type: NodeDependencyType.Default, name: '@nestjs/mapped-types', version: '*', }); context.addTask(new NodePackageInstallTask()); } } catch { } }; }