@nestjsplus/lib-starter/schematics/gen-env/gen-env.factory.ts

Boilerplate for building installable NestJS libraries

import {
  chain,
  mergeWith,
  Rule,
  SchematicContext,
  Tree,
} from '@angular-devkit/schematics';

import { generateFilesFromTemplates } from '../../schematics-utils/utils';

import { Schema as GenEnvOptions } from './schema';

export function main(options: GenEnvOptions): Rule {
  return (tree: Tree, context: SchematicContext) => {
    if (options.dbg) {
      context.logger.info(
        `[gen-env] options: ${JSON.stringify(options, undefined, 2)}`,
      );
    }
    return chain([
      mergeWith(
        generateFilesFromTemplates(
          options,
          './files/environments',
          options.envDir,
        ),
      ),
    ]);
  };
}