/
TargetRequest.test.js
1666 lines (1602 loc) · 46.3 KB
/
TargetRequest.test.js
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// @flow strict-local
import assert from 'assert';
import path from 'path';
import tempy from 'tempy';
import {inputFS as fs} from '@parcel/test-utils';
import {md} from '@parcel/diagnostic';
import {normalizeSeparators} from '@parcel/utils';
import {TargetResolver} from '../src/requests/TargetRequest';
import {DEFAULT_OPTIONS as _DEFAULT_OPTIONS, relative} from './test-utils';
const DEFAULT_OPTIONS = {
..._DEFAULT_OPTIONS,
defaultTargetOptions: {
..._DEFAULT_OPTIONS.defaultTargetOptions,
sourceMaps: true,
},
};
const COMMON_TARGETS_FIXTURE_PATH = path.join(
__dirname,
'fixtures/common-targets',
);
const COMMON_TARGETS_IGNORE_FIXTURE_PATH = path.join(
__dirname,
'fixtures/common-targets-ignore',
);
const CUSTOM_TARGETS_FIXTURE_PATH = path.join(
__dirname,
'fixtures/custom-targets',
);
const CUSTOM_TARGETS_DISTDIR_FIXTURE_PATH = path.join(
__dirname,
'fixtures/custom-targets-distdir',
);
const INVALID_TARGETS_FIXTURE_PATH = path.join(
__dirname,
'fixtures/invalid-targets',
);
const INVALID_ENGINES_FIXTURE_PATH = path.join(
__dirname,
'fixtures/invalid-engines',
);
const INVALID_DISTPATH_FIXTURE_PATH = path.join(
__dirname,
'fixtures/invalid-distpath',
);
const DEFAULT_DISTPATH_FIXTURE_PATHS = {
none: path.join(__dirname, 'fixtures/targets-default-distdir-none'),
one: path.join(__dirname, 'fixtures/targets-default-distdir-one'),
two: path.join(__dirname, 'fixtures/targets-default-distdir-two'),
};
const CONTEXT_FIXTURE_PATH = path.join(__dirname, 'fixtures/context');
describe('TargetResolver', () => {
let cacheDir;
beforeEach(() => {
cacheDir = tempy.directory();
});
afterEach(() => {
return fs.rimraf(cacheDir);
});
let api = {
invalidateOnFileCreate() {},
invalidateOnFileUpdate() {},
invalidateOnFileDelete() {},
invalidateOnEnvChange() {},
invalidateOnOptionChange() {},
invalidateOnStartup() {},
invalidateOnBuild() {},
getInvalidations() {
return [];
},
runRequest() {
throw new Error('Not implemented');
},
storeResult() {},
canSkipSubrequest() {
return false;
},
getPreviousResult() {},
getRequestResult() {},
getSubRequests() {
return [];
},
getInvalidSubRequests() {
return [];
},
};
it('resolves exactly specified targets', async () => {
let targetResolver = new TargetResolver(api, {
...DEFAULT_OPTIONS,
targets: {
customA: {
context: 'browser',
distDir: 'customA',
},
customB: {
distDir: 'customB',
distEntry: 'b.js',
engines: {
node: '>= 8.0.0',
},
},
},
});
assert.deepEqual(
await targetResolver.resolve(COMMON_TARGETS_FIXTURE_PATH),
[
{
name: 'customA',
publicUrl: '/',
distDir: normalizeSeparators(path.resolve('customA')),
env: {
id: '1d40417b63734b32',
context: 'browser',
includeNodeModules: true,
engines: {
browsers: ['> 0.25%'],
},
outputFormat: 'global',
isLibrary: false,
shouldOptimize: false,
shouldScopeHoist: false,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
},
{
name: 'customB',
publicUrl: '/',
distEntry: 'b.js',
distDir: normalizeSeparators(path.resolve('customB')),
env: {
id: '928f0d1c941b2e57',
context: 'node',
includeNodeModules: false,
engines: {
node: '>= 8.0.0',
},
outputFormat: 'commonjs',
isLibrary: false,
shouldOptimize: false,
shouldScopeHoist: false,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
},
],
);
});
it('resolves common targets from package.json', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
assert.deepEqual(
await targetResolver.resolve(COMMON_TARGETS_FIXTURE_PATH),
[
{
name: 'main',
distDir: 'fixtures/common-targets/dist/main',
distEntry: 'index.js',
publicUrl: '/',
env: {
id: 'b552bd32da37fa8b',
context: 'node',
engines: {
node: '>= 8.0.0',
},
includeNodeModules: false,
outputFormat: 'commonjs',
isLibrary: true,
shouldOptimize: false,
shouldScopeHoist: true,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(COMMON_TARGETS_FIXTURE_PATH, 'package.json'),
),
start: {
column: 11,
line: 2,
},
end: {
column: 30,
line: 2,
},
},
},
{
name: 'module',
distDir: 'fixtures/common-targets/dist/module',
distEntry: 'index.js',
publicUrl: '/',
env: {
id: '8804e4eb97e2703e',
context: 'browser',
engines: {
browsers: ['last 1 version'],
},
includeNodeModules: false,
outputFormat: 'esmodule',
isLibrary: true,
shouldOptimize: false,
shouldScopeHoist: true,
sourceMap: {
inlineSources: true,
},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(COMMON_TARGETS_FIXTURE_PATH, 'package.json'),
),
start: {
column: 13,
line: 3,
},
end: {
column: 34,
line: 3,
},
},
},
{
name: 'browser',
distDir: 'fixtures/common-targets/dist/browser',
distEntry: 'index.js',
publicUrl: '/assets',
env: {
id: 'a7ed3e73c53f1923',
context: 'browser',
engines: {
browsers: ['last 1 version'],
},
includeNodeModules: false,
outputFormat: 'commonjs',
isLibrary: true,
shouldOptimize: false,
shouldScopeHoist: true,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(COMMON_TARGETS_FIXTURE_PATH, 'package.json'),
),
start: {
column: 14,
line: 4,
},
end: {
column: 36,
line: 4,
},
},
},
],
);
});
it('allows ignoring common targets from package.json', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
assert.deepEqual(
await targetResolver.resolve(COMMON_TARGETS_IGNORE_FIXTURE_PATH),
[
{
name: 'app',
distDir: relative(
path.join(COMMON_TARGETS_IGNORE_FIXTURE_PATH, 'dist'),
),
distEntry: 'index.js',
publicUrl: '/',
env: {
id: 'f7c9644283a8698f',
context: 'node',
engines: {
node: '>= 8.0.0',
},
includeNodeModules: false,
outputFormat: 'commonjs',
isLibrary: false,
shouldOptimize: false,
shouldScopeHoist: false,
sourceMap: undefined,
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(COMMON_TARGETS_IGNORE_FIXTURE_PATH, 'package.json'),
),
start: {
column: 10,
line: 3,
},
end: {
column: 24,
line: 3,
},
},
},
],
);
});
it('resolves custom targets from package.json', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
assert.deepEqual(
await targetResolver.resolve(CUSTOM_TARGETS_FIXTURE_PATH),
[
{
name: 'main',
distDir: 'fixtures/custom-targets/dist/main',
distEntry: 'index.js',
publicUrl: '/',
env: {
id: 'b552bd32da37fa8b',
context: 'node',
engines: {
node: '>= 8.0.0',
},
includeNodeModules: false,
outputFormat: 'commonjs',
isLibrary: true,
shouldOptimize: false,
shouldScopeHoist: true,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(CUSTOM_TARGETS_FIXTURE_PATH, 'package.json'),
),
start: {
column: 11,
line: 2,
},
end: {
column: 30,
line: 2,
},
},
},
{
name: 'browserModern',
distDir: 'fixtures/custom-targets/dist/browserModern',
distEntry: 'index.js',
publicUrl: '/',
env: {
id: '1f28e9ceaf633d83',
context: 'browser',
engines: {
browsers: ['last 1 version'],
},
includeNodeModules: true,
outputFormat: 'global',
isLibrary: false,
shouldOptimize: false,
shouldScopeHoist: false,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(CUSTOM_TARGETS_FIXTURE_PATH, 'package.json'),
),
start: {
column: 20,
line: 3,
},
end: {
column: 48,
line: 3,
},
},
},
{
name: 'browserLegacy',
distDir: 'fixtures/custom-targets/dist/browserLegacy',
distEntry: 'index.js',
publicUrl: '/',
env: {
id: '767bf6e6b675c4f3',
context: 'browser',
engines: {
browsers: ['ie11'],
},
includeNodeModules: true,
outputFormat: 'global',
isLibrary: false,
shouldOptimize: false,
shouldScopeHoist: false,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(CUSTOM_TARGETS_FIXTURE_PATH, 'package.json'),
),
start: {
column: 20,
line: 4,
},
end: {
column: 48,
line: 4,
},
},
},
],
);
});
it('should not optimize libraries by default', async () => {
let targetResolver = new TargetResolver(api, {
...DEFAULT_OPTIONS,
mode: 'production',
defaultTargetOptions: {
...DEFAULT_OPTIONS.defaultTargetOptions,
shouldOptimize: true,
},
});
assert.deepEqual(
await targetResolver.resolve(CUSTOM_TARGETS_FIXTURE_PATH),
[
{
name: 'main',
distDir: 'fixtures/custom-targets/dist/main',
distEntry: 'index.js',
publicUrl: '/',
env: {
id: 'b552bd32da37fa8b',
context: 'node',
engines: {
node: '>= 8.0.0',
},
includeNodeModules: false,
outputFormat: 'commonjs',
isLibrary: true,
shouldOptimize: false,
shouldScopeHoist: true,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(CUSTOM_TARGETS_FIXTURE_PATH, 'package.json'),
),
start: {
column: 11,
line: 2,
},
end: {
column: 30,
line: 2,
},
},
},
{
name: 'browserModern',
distDir: 'fixtures/custom-targets/dist/browserModern',
distEntry: 'index.js',
publicUrl: '/',
env: {
id: 'ed7c0e65adee71c9',
context: 'browser',
engines: {
browsers: ['last 1 version'],
},
includeNodeModules: true,
outputFormat: 'global',
isLibrary: false,
shouldOptimize: true,
shouldScopeHoist: false,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(CUSTOM_TARGETS_FIXTURE_PATH, 'package.json'),
),
start: {
column: 20,
line: 3,
},
end: {
column: 48,
line: 3,
},
},
},
{
name: 'browserLegacy',
distDir: 'fixtures/custom-targets/dist/browserLegacy',
distEntry: 'index.js',
publicUrl: '/',
env: {
id: 'f7692543e59e4c0a',
context: 'browser',
engines: {
browsers: ['ie11'],
},
includeNodeModules: true,
outputFormat: 'global',
isLibrary: false,
shouldOptimize: true,
shouldScopeHoist: false,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(
path.join(CUSTOM_TARGETS_FIXTURE_PATH, 'package.json'),
),
start: {
column: 20,
line: 4,
},
end: {
column: 48,
line: 4,
},
},
},
],
);
});
it('resolves explicit distDir for custom targets from package.json', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
assert.deepEqual(
await targetResolver.resolve(CUSTOM_TARGETS_DISTDIR_FIXTURE_PATH),
[
{
name: 'app',
distDir: 'fixtures/custom-targets-distdir/www',
distEntry: undefined,
publicUrl: 'www',
env: {
id: 'ddb6ac7c9a3a9178',
context: 'browser',
engines: {
browsers: '> 0.25%',
},
includeNodeModules: true,
outputFormat: 'global',
isLibrary: false,
shouldOptimize: false,
shouldScopeHoist: false,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: undefined,
},
],
);
});
it('skips targets with custom entry source for default entry', async () => {
let targetResolver = new TargetResolver(api, {
...DEFAULT_OPTIONS,
targets: {
customA: {
context: 'browser',
distDir: 'customA',
source: 'customA/index.js',
},
customB: {
distDir: 'customB',
},
},
});
assert.deepEqual(
await targetResolver.resolve(COMMON_TARGETS_FIXTURE_PATH),
[
{
name: 'customB',
distDir: normalizeSeparators(path.resolve('customB')),
publicUrl: '/',
env: {
id: '1d40417b63734b32',
context: 'browser',
engines: {
browsers: ['> 0.25%'],
},
includeNodeModules: true,
outputFormat: 'global',
isLibrary: false,
shouldOptimize: false,
shouldScopeHoist: false,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
},
],
);
});
it('skips other targets with custom entry', async () => {
let targetResolver = new TargetResolver(api, {
...DEFAULT_OPTIONS,
targets: {
customA: {
context: 'browser',
distDir: 'customA',
source: 'customA/index.js',
},
customB: {
distDir: 'customB',
},
},
});
assert.deepEqual(
await targetResolver.resolve(COMMON_TARGETS_FIXTURE_PATH, 'customA'),
[
{
name: 'customA',
distDir: normalizeSeparators(path.resolve('customA')),
publicUrl: '/',
env: {
id: '1d40417b63734b32',
context: 'browser',
engines: {
browsers: ['> 0.25%'],
},
includeNodeModules: true,
outputFormat: 'global',
isLibrary: false,
shouldOptimize: false,
shouldScopeHoist: false,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
source: 'customA/index.js',
},
],
);
});
it('resolves main target with context from package.json', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
assert.deepEqual(await targetResolver.resolve(CONTEXT_FIXTURE_PATH), [
{
name: 'main',
distDir: 'fixtures/context/dist/main',
distEntry: 'index.js',
publicUrl: '/',
env: {
id: '6aafdb9eaa4a3812',
context: 'node',
engines: {
browsers: [
'last 1 Chrome version',
'last 1 Safari version',
'last 1 Firefox version',
'last 1 Edge version',
],
},
includeNodeModules: false,
isLibrary: true,
outputFormat: 'commonjs',
shouldOptimize: false,
shouldScopeHoist: true,
sourceMap: {},
loc: undefined,
sourceType: 'module',
},
loc: {
filePath: relative(path.join(CONTEXT_FIXTURE_PATH, 'package.json')),
start: {
column: 11,
line: 2,
},
end: {
column: 30,
line: 2,
},
},
},
]);
});
it('errors when the main target contains a non-js extension', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
let fixture = path.join(__dirname, 'fixtures/application-targets');
let code = await fs.readFile(path.join(fixture, 'package.json'), 'utf8');
// $FlowFixMe
await assert.rejects(() => targetResolver.resolve(fixture), {
diagnostics: [
{
message: 'Unexpected output file type .html in target "main"',
origin: '@parcel/core',
codeFrames: [
{
filePath: path.join(fixture, 'package.json'),
language: 'json',
code,
codeHighlights: [
{
end: {
column: 27,
line: 2,
},
message: 'File extension must be .js, .mjs, or .cjs',
start: {
column: 11,
line: 2,
},
},
],
},
],
hints: [
'The "main" field is meant for libraries. If you meant to output a .html file, either remove the "main" field or choose a different target name.',
],
documentationURL:
'https://parceljs.org/features/targets/#library-targets',
},
],
});
});
it('errors when the main target uses the global output format', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
let fixture = path.join(__dirname, 'fixtures/main-global');
let code = await fs.readFile(path.join(fixture, 'package.json'), 'utf8');
// $FlowFixMe
await assert.rejects(() => targetResolver.resolve(fixture), {
diagnostics: [
{
message:
'The "global" output format is not supported in the "main" target.',
origin: '@parcel/core',
codeFrames: [
{
filePath: path.join(fixture, 'package.json'),
language: 'json',
code,
codeHighlights: [
{
message: undefined,
end: {
column: 30,
line: 5,
},
start: {
column: 23,
line: 5,
},
},
],
},
],
hints: [
'The "main" field is meant for libraries. The outputFormat must be either "commonjs" or "esmodule". Either change or remove the declared outputFormat.',
],
documentationURL:
'https://parceljs.org/features/targets/#library-targets',
},
],
});
});
it('errors when the main target uses the esmodule output format without a .mjs extension or "type": "module" field', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
let fixture = path.join(__dirname, 'fixtures/main-mjs');
let code = await fs.readFile(path.join(fixture, 'package.json'), 'utf8');
// $FlowFixMe
await assert.rejects(() => targetResolver.resolve(fixture), {
diagnostics: [
{
message:
'Output format "esmodule" cannot be used in the "main" target without a .mjs extension or "type": "module" field.',
origin: '@parcel/core',
codeFrames: [
{
filePath: path.join(fixture, 'package.json'),
language: 'json',
code,
codeHighlights: [
{
message: 'Declared output format defined here',
end: {
column: 32,
line: 5,
},
start: {
column: 23,
line: 5,
},
},
{
message: 'Inferred output format defined here',
end: {
column: 25,
line: 2,
},
start: {
column: 11,
line: 2,
},
},
],
},
],
hints: [
'Either change the output file extension to .mjs, add "type": "module" to package.json, or remove the declared outputFormat.',
],
documentationURL:
'https://parceljs.org/features/targets/#library-targets',
},
],
});
});
it('errors when the inferred output format does not match the declared one in common targets', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
let fixture = path.join(__dirname, 'fixtures/main-format-mismatch');
let code = await fs.readFile(path.join(fixture, 'package.json'), 'utf8');
// $FlowFixMe
await assert.rejects(() => targetResolver.resolve(fixture), {
diagnostics: [
{
message:
'Declared output format "esmodule" does not match expected output format "commonjs".',
origin: '@parcel/core',
codeFrames: [
{
filePath: path.join(fixture, 'package.json'),
language: 'json',
code,
codeHighlights: [
{
message: 'Declared output format defined here',
end: {
column: 32,
line: 5,
},
start: {
column: 23,
line: 5,
},
},
{
message: 'Inferred output format defined here',
end: {
column: 26,
line: 2,
},
start: {
column: 11,
line: 2,
},
},
],
},
],
hints: [
'Either remove the target\'s declared "outputFormat" or change the extension to .mjs or .js.',
],
documentationURL:
'https://parceljs.org/features/targets/#library-targets',
},
],
});
});
it('errors when the inferred output format does not match the declared one in custom targets', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
let fixture = path.join(__dirname, 'fixtures/custom-format-mismatch');
let code = await fs.readFile(path.join(fixture, 'package.json'), 'utf8');
// $FlowFixMe
await assert.rejects(() => targetResolver.resolve(fixture), {
diagnostics: [
{
message:
'Declared output format "commonjs" does not match expected output format "esmodule".',
origin: '@parcel/core',
codeFrames: [
{
filePath: path.join(fixture, 'package.json'),
language: 'json',
code,
codeHighlights: [
{
message: 'Declared output format defined here',
end: {
column: 32,
line: 5,
},
start: {
column: 23,
line: 5,
},
},
{
message: 'Inferred output format defined here',
end: {
column: 26,
line: 2,
},
start: {
column: 11,
line: 2,
},
},
],
},
],
hints: [
'Either remove the target\'s declared "outputFormat" or change the extension to .cjs or .js.',
],
documentationURL:
'https://parceljs.org/features/targets/#library-targets',
},
],
});
});
it('errors when a common library target turns scope hoisting off', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);
let fixture = path.join(__dirname, 'fixtures/library-scopehoist');
let code = await fs.readFile(path.join(fixture, 'package.json'), 'utf8');
// $FlowFixMe
await assert.rejects(() => targetResolver.resolve(fixture), {
diagnostics: [
{
message: 'Scope hoisting cannot be disabled for library targets.',
origin: '@parcel/core',
codeFrames: [
{
filePath: path.join(fixture, 'package.json'),
language: 'json',
code,
codeHighlights: [
{
message: undefined,
end: {
column: 25,
line: 5,
},
start: {
column: 21,
line: 5,
},
},
],
},
],
hints: [
'The "main" target is meant for libraries. Either remove the "scopeHoist" option, or use a different target name.',
],
documentationURL:
'https://parceljs.org/features/targets/#library-targets',
},
],
});
});
it('errors when a custom library target turns scope hoisting off', async () => {
let targetResolver = new TargetResolver(api, DEFAULT_OPTIONS);