import { appendToFile, createDir, replaceInFile, rimraf, writeMultipleFiles } from '../../utils/fs';

import { ng } from '../../utils/process';

import { updateTsConfig } from '../../utils/project';

export default async function () {

await updateTsConfig((json) => {

json['compilerOptions']['paths'] = {

'@shared': ['./src/app/shared'],

'@shared/*': ['./src/app/shared/*'],

'@root/*': ['./src/*'],

'src/*': ['./src/*'],

};

});

await createDir('src/app/shared');

await writeMultipleFiles({

'src/meaning-too.ts': 'export var meaning = 42;',

'src/app/shared/meaning.ts': 'export var meaning = 42;',

'src/app/shared/index.ts': `export * from './meaning'`,

});

await replaceInFile('src/main.ts', './app/app', '@root/app/app');

await ng('build', '--configuration=development');

await updateTsConfig((json) => {

json['compilerOptions']['paths']['*'] = ['./*', './src/app/shared/*'];

});

await appendToFile(

'src/app/app.ts',

`

import { meaning } from 'src/app/shared/meaning';

import { meaning as meaning2 } from '@shared';

import { meaning as meaning3 } from '@shared/meaning';

import { meaning as meaning4 } from 'meaning';

import { meaning as meaning5 } from 'src/meaning-too';

// need to use imports otherwise they are ignored and

// no error is outputted, even if baseUrl/paths don't work

console.log(meaning)

console.log(meaning2)

console.log(meaning3)

console.log(meaning4)

console.log(meaning5)

`,

);

await ng('build', '--configuration=development');

// Simulate no package.json file which causes Webpack to have an undefined 'descriptionFileData'.

await rimraf('package.json');

await ng('build', '--configuration=development');

}