import { expectFileToMatch, rimraf, writeFile } from '../../utils/fs';

import { gitClean } from '../../utils/git';

import { installWorkspacePackages } from '../../utils/packages';

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

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

import { expectToFail } from '../../utils/utils';

export default async function () {

try {

// Force duplicate modules

await updateJsonFile('package.json', (json) => {

json.dependencies = {

...json.dependencies,

'tslib': '^2.0.0',

'tslib-1': 'npm:tslib@1.13.0',

'tslib-1-copy': 'npm:tslib@1.13.0',

};

});

await installWorkspacePackages();

await writeFile(

'./src/main.ts',

`

import { __assign as __assign_0 } from 'tslib';

import { __assign as __assign_1 } from 'tslib-1';

import { __assign as __assign_2 } from 'tslib-1-copy';

console.log({

__assign_0,

__assign_1,

__assign_2,

})

`,

);

const { stderr } = await ng(

'build',

'--verbose',

'--no-vendor-chunk',

'--no-progress',

'--configuration=development',

);

const outFile = 'dist/test-project/browser/main.js';

if (/\[DedupeModuleResolvePlugin\]:.+tslib-1-copy.+ -> .+tslib-1.+/.test(stderr)) {

await expectFileToMatch(outFile, './node_modules/tslib-1/tslib.es6.js');

await expectToFail(() =>

expectFileToMatch(outFile, './node_modules/tslib-1-copy/tslib.es6.js'),

);

} else if (/\[DedupeModuleResolvePlugin\]:.+tslib-1.+ -> .+tslib-1-copy.+/.test(stderr)) {

await expectFileToMatch(outFile, './node_modules/tslib-1-copy/tslib.es6.js');

await expectToFail(() => expectFileToMatch(outFile, './node_modules/tslib-1/tslib.es6.js'));

} else {

console.error(`\n\n\n${stderr}\n\n\n`);

throw new Error('Expected stderr to contain [DedupeModuleResolvePlugin] log for tslib.');

}

await expectFileToMatch(outFile, './node_modules/tslib/tslib.es6.mjs');

} finally {

await rimraf('node_modules/tslib');

await gitClean();

await installWorkspacePackages();

}

}