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webpack.test.ts
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webpack.test.ts
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import {
cleanupProject,
listFiles,
newProject,
readFile,
rmDist,
runCLI,
runCommand,
uniq,
updateFile,
updateJson,
} from '@nx/e2e/utils';
import { join } from 'path';
describe('Webpack Plugin', () => {
beforeAll(() => newProject());
afterAll(() => cleanupProject());
it('should be able to setup project to build node programs with webpack and different compilers', async () => {
const myPkg = uniq('my-pkg');
runCLI(`generate @nx/js:lib ${myPkg} --bundler=none`);
updateFile(`libs/${myPkg}/src/index.ts`, `console.log('Hello');\n`);
runCLI(
`generate @nx/webpack:configuration ${myPkg} --target=node --tsConfig=libs/${myPkg}/tsconfig.lib.json --main=libs/${myPkg}/src/index.ts`
);
// Test `scriptType` later during during.
updateFile(
`libs/${myPkg}/webpack.config.js`,
`
const path = require('path');
const { NxWebpackPlugin } = require('@nx/webpack');
class DebugPlugin {
apply(compiler) {
console.log('scriptType is ' + compiler.options.output.scriptType);
}
}
module.exports = {
target: 'node',
output: {
path: path.join(__dirname, '../../dist/libs/${myPkg}')
},
plugins: [
new NxWebpackPlugin({
compiler: 'tsc',
main: './src/index.ts',
tsConfig: './tsconfig.lib.json',
outputHashing: 'none',
optimization: false,
}),
new DebugPlugin()
]
};`
);
rmDist();
const buildOutput = runCLI(`build ${myPkg}`);
// Ensure scriptType is not set if we're in Node (it only applies to Web).
expect(buildOutput).toContain('scriptType is undefined');
let output = runCommand(`node dist/libs/${myPkg}/main.js`);
expect(output).toMatch(/Hello/);
expect(output).not.toMatch(/Conflicting/);
expect(output).not.toMatch(/process.env.NODE_ENV/);
updateJson(join('libs', myPkg, 'project.json'), (config) => {
delete config.targets.build;
return config;
});
// swc
runCLI(
`generate @nx/webpack:configuration ${myPkg} --target=node --tsConfig=libs/${myPkg}/tsconfig.lib.json --main=libs/${myPkg}/src/index.ts --compiler=swc`
);
rmDist();
runCLI(`build ${myPkg}`);
output = runCommand(`node dist/libs/${myPkg}/main.js`);
expect(output).toMatch(/Hello/);
updateJson(join('libs', myPkg, 'project.json'), (config) => {
delete config.targets.build;
return config;
});
// tsc
runCLI(
`generate @nx/webpack:configuration ${myPkg} --target=node --tsConfig=libs/${myPkg}/tsconfig.lib.json --main=libs/${myPkg}/src/index.ts --compiler=tsc`
);
rmDist();
runCLI(`build ${myPkg}`);
output = runCommand(`node dist/libs/${myPkg}/main.js`);
expect(output).toMatch(/Hello/);
}, 500000);
it('should use either BABEL_ENV or NODE_ENV value for Babel environment configuration', async () => {
const myPkg = uniq('my-pkg');
runCLI(`generate @nx/js:lib ${myPkg} --bundler=none`);
updateFile(`libs/${myPkg}/src/index.ts`, `console.log('Hello');\n`);
runCLI(
`generate @nx/webpack:configuration ${myPkg} --target=node --compiler=babel --tsConfig=libs/${myPkg}/tsconfig.lib.json --main=libs/${myPkg}/src/index.ts`
);
updateFile(
`libs/${myPkg}/.babelrc`,
`{ 'presets': ['@nx/js/babel', './custom-preset'] } `
);
updateFile(
`libs/${myPkg}/custom-preset.js`,
`
module.exports = function(api, opts) {
console.log('Babel env is ' + api.env());
return opts;
}
`
);
let output = runCLI(`build ${myPkg}`, {
env: {
NODE_ENV: 'nodeEnv',
BABEL_ENV: 'babelEnv',
},
});
expect(output).toContain('Babel env is babelEnv');
}, 500_000);
it('should be able to build with NxWebpackPlugin and a standard webpack config file', () => {
const appName = uniq('app');
runCLI(`generate @nx/web:app ${appName} --bundler webpack`);
updateFile(`apps/${appName}/src/main.ts`, `console.log('Hello');\n`);
updateFile(
`apps/${appName}/webpack.config.js`,
`
const path = require('path');
const { NxWebpackPlugin } = require('@nx/webpack');
module.exports = {
target: 'node',
output: {
path: path.join(__dirname, '../../dist/${appName}')
},
plugins: [
new NxWebpackPlugin({
compiler: 'tsc',
main: 'apps/${appName}/src/main.ts',
tsConfig: 'apps/${appName}/tsconfig.app.json',
outputHashing: 'none',
optimization: false,
})
]
};`
);
runCLI(`build ${appName}`);
let output = runCommand(`node dist/${appName}/main.js`);
expect(output).toMatch(/Hello/);
}, 500_000);
it('should bundle in non-sensitive NX_ environment variables', () => {
const appName = uniq('app');
runCLI(`generate @nx/web:app ${appName} --bundler webpack`);
updateFile(
`apps/${appName}/src/main.ts`,
`
console.log(process.env['NX_CLOUD_ENCRYPTION_KEY']);
console.log(process.env['NX_CLOUD_ACCESS_TOKEN']);
console.log(process.env['NX_PUBLIC_TEST']);
`
);
runCLI(`build ${appName}`, {
env: {
NX_CLOUD_ENCRYPTION_KEY: 'secret',
NX_CLOUD_ACCESS_TOKEN: 'secret',
NX_PUBLIC_TEST: 'foobar',
},
});
const mainFile = listFiles(`dist/apps/${appName}`).filter((f) =>
f.startsWith('main.')
);
const content = readFile(`dist/apps/${appName}/${mainFile}`);
expect(content).not.toMatch(/secret/);
expect(content).toMatch(/foobar/);
});
});