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test.js
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test.js
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'use strict';
/* global describe, afterEach, it, expect */
const Terser = require('..');
const path = require('path');
const { createTempDir, createBuilder } = require('broccoli-test-helper');
const fixtures = path.join(__dirname, 'fixtures');
const fixturesError = path.join(__dirname, 'fixtures-error');
describe('broccoli-terser-sourcemap', function() {
let input, builder;
beforeEach(async function() {
input = await createTempDir();
});
it('generates expected output', async function() {
builder = createBuilder(new Terser(fixtures));
await builder.build();
expect(builder.read()).toMatchSnapshot();
});
it('can handle ES6 code', async function() {
input.write({
'es6.js': `class Foo {
bar() {
console.log(this.baz);
}
}
let { bar } = Foo.prototype;`,
});
builder = createBuilder(new Terser(input.path()));
await builder.build();
expect(builder.read()).toMatchSnapshot();
});
it('can disable sourcemaps', async function() {
builder = createBuilder(new Terser(fixtures, { terser: { sourceMap: false } }));
await builder.build();
expect(builder.read()).toMatchSnapshot();
});
it('supports hidden sourcemaps', async function() {
builder = createBuilder(new Terser(fixtures, { hiddenSourceMap: true }));
await builder.build();
expect(builder.read()).toMatchSnapshot();
});
it('supports public URL for sourcemaps', async function() {
builder = createBuilder(new Terser(fixtures, { publicUrl: 'https://example.com' }));
await builder.build();
expect(builder.read()).toMatchSnapshot();
});
it('can exclude files from getting uglified', async function() {
builder = createBuilder(new Terser(fixtures, {
exclude: ['inside/with-up*'],
}));
await builder.build();
expect(builder.read()).toMatchSnapshot();
});
it('supports alternate sourcemap location', async function() {
builder = createBuilder(new Terser(fixtures, { sourceMapDir: 'maps' }));
await builder.build();
expect(builder.read()).toMatchSnapshot();
});
it('shuts down the workerpool', async function() {
let testTerser = new Terser(fixtures);
builder = createBuilder(testTerser);
await builder.build();
expect(builder.read()).toMatchSnapshot();
expect(testTerser.pool.stats().totalWorkers).toEqual(0);
});
describe('on error', function() {
it('rejects with BuildError', async function() {
builder = createBuilder(new Terser(fixturesError));
let shouldError;
await builder.build()
.catch(err => {
shouldError = err;
});
expect(shouldError.name).toEqual('BuildError');
expect(builder.read()).toMatchSnapshot();
});
it('shuts down the workerpool', async function() {
let testTerser = new Terser(fixturesError);
builder = createBuilder(testTerser);
await builder.build().catch(() => {});
expect(builder.read()).toMatchSnapshot();
expect(testTerser.pool.stats().totalWorkers).toEqual(0);
});
});
describe('concurrency', function() {
afterEach(function() {
delete process.env.JOBS;
});
it('defaults to CPUs-1 workers', async function() {
let testTerser = new Terser(fixturesError);
expect(testTerser.concurrency).toEqual(require('os').cpus().length - 1);
});
it('sets concurrency using the option', async function() {
let testTerser = new Terser(fixturesError, { concurrency: 145 });
expect(testTerser.concurrency).toEqual(145);
});
it('overrides concurrency with JOBS env variable', async function() {
process.env.JOBS = '7';
let testTerser = new Terser(fixturesError, { concurrency: 145 });
expect(testTerser.concurrency).toEqual(7);
});
});
describe('mjs', function() {
it('can minify .mjs files', async function() {
builder = createBuilder(new Terser(fixtures));
await builder.build();
expect(builder.read()).toMatchSnapshot();
});
});
describe('deprecation', function() {
it('deprecated async option', async function() {
let shouldError;
try {
builder = createBuilder(new Terser(fixtures, { async: true }));
} catch (err) {
shouldError = err;
}
expect(shouldError.name).toEqual('Error');
expect(shouldError.message).toEqual('\n Passing `async` property inside `options` is deprecated.');
});
});
afterEach(async function() {
if (input) {
await input.dispose();
}
if (builder) {
await builder.dispose();
}
});
});