blob: 22bfbe4b4962ae2797f008e50996ea62b78a2a94 (
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import cp from 'child_process';
const waitForProcess = async (process) => {
return new Promise((resolve) => {
let output = '';
process.stdout.on('data', (chunk) => {
output += chunk.toString();
});
process.on('close', () => {
resolve(output);
});
});
};
it('Ensures that package do not include core-js dependency after build', async () => {
// eslint-disable-next-line import/no-extraneous-dependencies
const packageJSON = require('@linaria/babel-preset/package.json');
const buildScript = packageJSON.scripts['build:lib'];
const proc = cp.exec(buildScript, {
stdio: 'ignore',
env: {
...process.env,
DEBUG_CORE_JS: 'true',
},
});
const result = await waitForProcess(proc);
// run `DEBUG_CORE_JS=true yarn build:lib` to debug issues with introduced core-js dependency
expect(result).not.toContain(
'The corejs3 polyfill added the following polyfills'
);
expect(result).toContain(
'Based on your code and targets, the corejs3 polyfill did not add any polyfill'
);
}, 15000);
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