12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037 |
- import fs from "fs";
- import path from "path";
- import { loadOptions as loadOptionsOrig } from "../lib";
- function fixture(...args) {
- return path.join(__dirname, "fixtures", "config", ...args);
- }
- function loadOptions(opts) {
- return loadOptionsOrig({
- cwd: __dirname,
- ...opts,
- });
- }
- describe("buildConfigChain", function() {
- describe("test", () => {
- describe("single", () => {
- it("should process matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: fixture("nonexistant-fake"),
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: new RegExp(fixture("nonexistant-fake")),
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: p => p.indexOf(fixture("nonexistant-fake")) === 0,
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process non-matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: fixture("nonexistant-fake-unknown"),
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: new RegExp(fixture("nonexistant-unknown")),
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: p => p.indexOf(fixture("nonexistant-unknown")) === 0,
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- });
- describe("array", () => {
- it("should process matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: [fixture("nonexistant-fake")],
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: [new RegExp(fixture("nonexistant-fake"))],
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: [p => p.indexOf(fixture("nonexistant-fake")) === 0],
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process non-matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: [fixture("nonexistant-fake-unknown")],
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: [new RegExp(fixture("nonexistant-unknown"))],
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- test: [p => p.indexOf(fixture("nonexistant-unknown")) === 0],
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- });
- });
- describe("include", () => {
- describe("single", () => {
- it("should process matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: fixture("nonexistant-fake"),
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: new RegExp(fixture("nonexistant-fake")),
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: p => p.indexOf(fixture("nonexistant-fake")) === 0,
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process non-matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: fixture("nonexistant-fake-unknown"),
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: new RegExp(fixture("nonexistant-unknown")),
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: p => p.indexOf(fixture("nonexistant-unknown")) === 0,
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- });
- describe("array", () => {
- it("should process matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: [fixture("nonexistant-fake")],
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: [new RegExp(fixture("nonexistant-fake"))],
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: [p => p.indexOf(fixture("nonexistant-fake")) === 0],
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process non-matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: [fixture("nonexistant-fake-unknown")],
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: [new RegExp(fixture("nonexistant-unknown"))],
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- include: [p => p.indexOf(fixture("nonexistant-unknown")) === 0],
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- });
- });
- describe("exclude", () => {
- describe("single", () => {
- it("should process matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: fixture("nonexistant-fake"),
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: new RegExp(fixture("nonexistant-fake")),
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: p => p.indexOf(fixture("nonexistant-fake")) === 0,
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: fixture("nonexistant-fake-unknown"),
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process non-matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: new RegExp(fixture("nonexistant-unknown")),
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process non-matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: p => p.indexOf(fixture("nonexistant-unknown")) === 0,
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- });
- describe("array", () => {
- it("should process matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: [fixture("nonexistant-fake")],
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: [new RegExp(fixture("nonexistant-fake"))],
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: [p => p.indexOf(fixture("nonexistant-fake")) === 0],
- comments: true,
- });
- expect(opts.comments).toBeUndefined();
- });
- it("should process non-matching string values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: [fixture("nonexistant-fake-unknown")],
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process non-matching RegExp values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: [new RegExp(fixture("nonexistant-unknown"))],
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- it("should process non-matching function values", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- exclude: [p => p.indexOf(fixture("nonexistant-unknown")) === 0],
- comments: true,
- });
- expect(opts.comments).toBe(true);
- });
- });
- });
- describe("ignore", () => {
- it("should ignore files that match", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- ignore: [
- fixture("nonexistant-fake", "src.js"),
- // We had a regression where multiple ignore patterns broke things, so
- // we keep some extra random items in here.
- fixture("nonexistant-fake", "other.js"),
- fixture("nonexistant-fake", "misc.js"),
- ],
- });
- expect(opts).toBeNull();
- });
- it("should not ignore files that don't match", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- ignore: [
- fixture("nonexistant-fake", "other.js"),
- fixture("nonexistant-fake", "misc.js"),
- ],
- });
- expect(opts).not.toBeNull();
- });
- });
- describe("only", () => {
- it("should ignore files that don't match", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- only: [
- fixture("nonexistant-fake", "other.js"),
- fixture("nonexistant-fake", "misc.js"),
- ],
- });
- expect(opts).toBeNull();
- });
- it("should not ignore files that match", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- only: [
- fixture("nonexistant-fake", "src.js"),
- fixture("nonexistant-fake", "misc.js"),
- ],
- });
- expect(opts).not.toBeNull();
- });
- });
- describe("ignore/only", () => {
- it("should ignore files that match ignore and don't match only", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- ignore: [fixture("nonexistant-fake", "src.js")],
- only: [],
- });
- expect(opts).toBeNull();
- });
- it("should ignore files that match ignore and also only", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- ignore: [fixture("nonexistant-fake", "src.js")],
- only: [fixture("nonexistant-fake", "src.js")],
- });
- expect(opts).toBeNull();
- });
- it("should not ignore files that match only and not ignore", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- only: [fixture("nonexistant-fake", "src.js")],
- });
- expect(opts).not.toBeNull();
- });
- it("should not ignore files when no ignore/only are specified", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- });
- expect(opts).not.toBeNull();
- });
- it("should allow negation of only", () => {
- const opts1 = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- only: [
- "!" + fixture("nonexistant-fake"),
- fixture("nonexistant-fake", "other.js"),
- ],
- });
- expect(opts1).toBeNull();
- const opts2 = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- only: [
- "!" + fixture("nonexistant-fake"),
- fixture("nonexistant-fake", "src.js"),
- ],
- });
- expect(opts2).not.toBeNull();
- const opts3 = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "folder", "src.js"),
- babelrc: false,
- only: [
- "!" + fixture("nonexistant-fake"),
- fixture("nonexistant-fake", "folder"),
- ],
- });
- expect(opts3).not.toBeNull();
- });
- it("should allow negation of ignore", () => {
- const opts1 = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- ignore: [
- "!" + fixture("nonexistant-fake", "other.js"),
- fixture("nonexistant-fake"),
- ],
- });
- expect(opts1).toBeNull();
- // Tests disabled pending https://github.com/babel/babel/issues/6907
- // const opts2 = loadOptions({
- // cwd: fixture("nonexistant-fake"),
- // filename: fixture("nonexistant-fake", "src.js"),
- // babelrc: false,
- // ignore: [
- // "!" + fixture("nonexistant-fake", "src.js"),
- // fixture("nonexistant-fake"),
- // ],
- // });
- // expect(opts2).not.toBeNull();
- //
- // const opts3 = loadOptions({
- // cwd: fixture("nonexistant-fake"),
- // filename: fixture("nonexistant-fake", "folder", "src.js"),
- // babelrc: false,
- // ignore: [
- // "!" + fixture("nonexistant-fake", "folder"),
- // fixture("nonexistant-fake"),
- // ],
- // });
- // expect(opts3).not.toBeNull();
- });
- });
- describe("caching", function() {
- describe("programmatic options", function() {
- const plugins1 = [() => ({})];
- const plugins2 = [() => ({})];
- it("should not cache the input options by identity", () => {
- const inputOpts = { plugins: plugins1 };
- const opts1 = loadOptions(inputOpts);
- inputOpts.plugins = plugins2;
- const opts2 = loadOptions(inputOpts);
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(1);
- expect(opts1.plugins[0]).not.toBe(opts2.plugins[1]);
- });
- it("should cache the env plugins by identity", () => {
- const plugins = [() => ({})];
- const opts1 = loadOptions({
- envName: "foo",
- env: {
- foo: {
- plugins,
- },
- },
- });
- const opts2 = loadOptions({
- envName: "foo",
- env: {
- foo: {
- plugins,
- },
- },
- });
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(1);
- expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
- });
- it("should cache the env presets by identity", () => {
- const presets = [() => ({ plugins: [() => ({})] })];
- const opts1 = loadOptions({
- envName: "foo",
- env: {
- foo: {
- presets,
- },
- },
- });
- const opts2 = loadOptions({
- envName: "foo",
- env: {
- foo: {
- presets,
- },
- },
- });
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(1);
- expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
- });
- it("should cache the plugin options by identity", () => {
- const plugins = [() => ({})];
- const opts1 = loadOptions({ plugins });
- const opts2 = loadOptions({ plugins });
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(1);
- expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
- });
- it("should cache the presets options by identity", () => {
- const presets = [() => ({ plugins: [() => ({})] })];
- const opts1 = loadOptions({ presets });
- const opts2 = loadOptions({ presets });
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(1);
- expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
- });
- it("should not cache the presets options with passPerPreset", () => {
- const presets = [() => ({ plugins: [() => ({})] })];
- const opts1 = loadOptions({ presets });
- const opts2 = loadOptions({ presets, passPerPreset: true });
- const opts3 = loadOptions({ presets, passPerPreset: false });
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(0);
- expect(opts3.plugins).toHaveLength(1);
- expect(opts1.plugins[0]).toBe(opts3.plugins[0]);
- });
- });
- describe("config file options", function() {
- function touch(filepath) {
- const s = fs.statSync(filepath);
- fs.utimesSync(
- filepath,
- s.atime,
- s.mtime + Math.random() > 0.5 ? 1 : -1,
- );
- }
- it("should cache package.json files by mtime", () => {
- const filename = fixture(
- "complex-plugin-config",
- "config-identity",
- "pkg",
- "src.js",
- );
- const pkgJSON = fixture(
- "complex-plugin-config",
- "config-identity",
- "pkg",
- "package.json",
- );
- const opts1 = loadOptions({ filename, cwd: path.dirname(filename) });
- const opts2 = loadOptions({ filename, cwd: path.dirname(filename) });
- touch(pkgJSON);
- const opts3 = loadOptions({ filename, cwd: path.dirname(filename) });
- const opts4 = loadOptions({ filename, cwd: path.dirname(filename) });
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(1);
- expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(1);
- expect(opts3.plugins[0]).toBe(opts4.plugins[0]);
- // Identity changed after touch().
- expect(opts1.plugins[0]).not.toBe(opts3.plugins[0]);
- });
- it("should cache .babelrc files by mtime", () => {
- const filename = fixture(
- "complex-plugin-config",
- "config-identity",
- "babelrc",
- "src.js",
- );
- const babelrcFile = fixture(
- "complex-plugin-config",
- "config-identity",
- "babelrc",
- ".babelrc",
- );
- const opts1 = loadOptions({ filename, cwd: path.dirname(filename) });
- const opts2 = loadOptions({ filename, cwd: path.dirname(filename) });
- touch(babelrcFile);
- const opts3 = loadOptions({ filename, cwd: path.dirname(filename) });
- const opts4 = loadOptions({ filename, cwd: path.dirname(filename) });
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(1);
- expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
- expect(opts3.plugins).toHaveLength(1);
- expect(opts4.plugins).toHaveLength(1);
- expect(opts3.plugins[0]).toBe(opts4.plugins[0]);
- // Identity changed after touch().
- expect(opts1.plugins[0]).not.toBe(opts3.plugins[0]);
- });
- it("should cache .babelrc.js files programmable behavior", () => {
- const filename = fixture(
- "complex-plugin-config",
- "config-identity",
- "babelrc-js",
- "src.js",
- );
- const opts1 = loadOptions({ filename, cwd: path.dirname(filename) });
- const opts2 = loadOptions({ filename, cwd: path.dirname(filename) });
- const opts3 = loadOptions({
- filename,
- envName: "new-env",
- cwd: path.dirname(filename),
- });
- const opts4 = loadOptions({
- filename,
- envName: "new-env",
- cwd: path.dirname(filename),
- });
- expect(opts1.plugins).toHaveLength(1);
- expect(opts2.plugins).toHaveLength(1);
- expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
- expect(opts3.plugins).toHaveLength(1);
- expect(opts4.plugins).toHaveLength(1);
- expect(opts3.plugins[0]).toBe(opts4.plugins[0]);
- // Identity changed with different .env
- expect(opts1.plugins[0]).not.toBe(opts3.plugins[0]);
- });
- });
- });
- describe("overrides merging", () => {
- it("should apply matching overrides over base configs", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- comments: true,
- overrides: [
- {
- test: fixture("nonexistant-fake"),
- comments: false,
- },
- ],
- });
- expect(opts.comments).toBe(false);
- });
- it("should not apply non-matching overrides over base configs", () => {
- const opts = loadOptions({
- cwd: fixture("nonexistant-fake"),
- filename: fixture("nonexistant-fake", "src.js"),
- babelrc: false,
- comments: true,
- overrides: [
- {
- test: fixture("nonexistant-unknown"),
- comments: false,
- },
- ],
- });
- expect(opts.comments).toBe(true);
- });
- });
- describe("config files", () => {
- const getDefaults = () => ({
- babelrc: false,
- configFile: false,
- cwd: process.cwd(),
- root: process.cwd(),
- envName: "development",
- passPerPreset: false,
- plugins: [],
- presets: [],
- });
- const realEnv = process.env.NODE_ENV;
- const realBabelEnv = process.env.BABEL_ENV;
- beforeAll(() => {
- delete process.env.NODE_ENV;
- delete process.env.BABEL_ENV;
- });
- afterAll(() => {
- if (realEnv) {
- process.env.NODE_ENV = realEnv;
- process.env.NODE_ENV = realBabelEnv;
- }
- });
- it("should load .babelrc", () => {
- const filename = fixture("config-files", "babelrc", "src.js");
- expect(
- loadOptions({
- filename,
- cwd: path.dirname(filename),
- }),
- ).toEqual({
- ...getDefaults(),
- filename: filename,
- cwd: path.dirname(filename),
- root: path.dirname(filename),
- comments: true,
- });
- });
- it("should load .babelrc.js", () => {
- const filename = fixture("config-files", "babelrc-js", "src.js");
- expect(loadOptions({ filename, cwd: path.dirname(filename) })).toEqual({
- ...getDefaults(),
- filename: filename,
- cwd: path.dirname(filename),
- root: path.dirname(filename),
- comments: true,
- });
- });
- it("should load package.json#babel", () => {
- const filename = fixture("config-files", "pkg", "src.js");
- expect(loadOptions({ filename, cwd: path.dirname(filename) })).toEqual({
- ...getDefaults(),
- filename: filename,
- cwd: path.dirname(filename),
- root: path.dirname(filename),
- comments: true,
- });
- });
- it("should load .babelignore", () => {
- const filename = fixture("config-files", "babelignore", "src.js");
- expect(loadOptions({ filename, cwd: path.dirname(filename) })).toBeNull();
- });
- it("should throw if there are both .babelrc and .babelrc.js", () => {
- const filename = fixture("config-files", "both-babelrc", "src.js");
- expect(() =>
- loadOptions({ filename, cwd: path.dirname(filename) }),
- ).toThrow(/Multiple configuration files found/);
- });
- it("should throw if there are both .babelrc and package.json", () => {
- const filename = fixture("config-files", "pkg-babelrc", "src.js");
- expect(() =>
- loadOptions({ filename, cwd: path.dirname(filename) }),
- ).toThrow(/Multiple configuration files found/);
- });
- it("should throw if there are both .babelrc.js and package.json", () => {
- const filename = fixture("config-files", "pkg-babelrc-js", "src.js");
- expect(() =>
- loadOptions({ filename, cwd: path.dirname(filename) }),
- ).toThrow(/Multiple configuration files found/);
- });
- it("should ignore package.json without a 'babel' property", () => {
- const filename = fixture("config-files", "pkg-ignored", "src.js");
- expect(loadOptions({ filename, cwd: path.dirname(filename) })).toEqual({
- ...getDefaults(),
- filename: filename,
- cwd: path.dirname(filename),
- root: path.dirname(filename),
- comments: true,
- });
- });
- it("should show helpful errors for .babelrc", () => {
- const filename = fixture("config-files", "babelrc-error", "src.js");
- expect(() =>
- loadOptions({ filename, cwd: path.dirname(filename) }),
- ).toThrow(/Error while parsing config - /);
- });
- it("should show helpful errors for .babelrc.js", () => {
- const filename = fixture("config-files", "babelrc-js-error", "src.js");
- expect(() =>
- loadOptions({ filename, cwd: path.dirname(filename) }),
- ).toThrow(/Babelrc threw an error/);
- });
- it("should show helpful errors for package.json", () => {
- const filename = fixture("config-files", "pkg-error", "src.js");
- expect(() =>
- loadOptions({ filename, cwd: path.dirname(filename) }),
- ).toThrow(/Error while parsing JSON - /);
- });
- });
- });
|