3a5e8a8dd4
* Add support for babel.config.json root config * Throw if multiple configuration files are found * Add tests
1123 lines
34 KiB
JavaScript
1123 lines
34 KiB
JavaScript
import fs from "fs";
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import path from "path";
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import escapeRegExp from "lodash/escapeRegExp";
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import { loadOptions as loadOptionsOrig } from "../lib";
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function fixture(...args) {
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return path.join(__dirname, "fixtures", "config", ...args);
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}
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function loadOptions(opts) {
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return loadOptionsOrig({
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cwd: __dirname,
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...opts,
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});
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}
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describe("buildConfigChain", function() {
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describe("test", () => {
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describe("single", () => {
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it("should process matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: fixture("nonexistant-fake"),
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: new RegExp(escapeRegExp(fixture("nonexistant-fake"))),
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: p => p.indexOf(fixture("nonexistant-fake")) === 0,
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process non-matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: fixture("nonexistant-fake-unknown"),
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: new RegExp(escapeRegExp(fixture("nonexistant-unknown"))),
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: p => p.indexOf(fixture("nonexistant-unknown")) === 0,
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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});
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describe("array", () => {
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it("should process matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: [fixture("nonexistant-fake")],
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: [new RegExp(escapeRegExp(fixture("nonexistant-fake")))],
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: [p => p.indexOf(fixture("nonexistant-fake")) === 0],
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process non-matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: [fixture("nonexistant-fake-unknown")],
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: [new RegExp(escapeRegExp(fixture("nonexistant-unknown")))],
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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test: [p => p.indexOf(fixture("nonexistant-unknown")) === 0],
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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});
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});
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describe("include", () => {
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describe("single", () => {
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it("should process matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: fixture("nonexistant-fake"),
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: new RegExp(escapeRegExp(fixture("nonexistant-fake"))),
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: p => p.indexOf(fixture("nonexistant-fake")) === 0,
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process non-matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: fixture("nonexistant-fake-unknown"),
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: new RegExp(escapeRegExp(fixture("nonexistant-unknown"))),
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: p => p.indexOf(fixture("nonexistant-unknown")) === 0,
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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});
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describe("array", () => {
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it("should process matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: [fixture("nonexistant-fake")],
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: [new RegExp(escapeRegExp(fixture("nonexistant-fake")))],
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: [p => p.indexOf(fixture("nonexistant-fake")) === 0],
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process non-matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: [fixture("nonexistant-fake-unknown")],
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: [new RegExp(escapeRegExp(fixture("nonexistant-unknown")))],
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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include: [p => p.indexOf(fixture("nonexistant-unknown")) === 0],
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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});
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});
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describe("exclude", () => {
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describe("single", () => {
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it("should process matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: fixture("nonexistant-fake"),
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: new RegExp(escapeRegExp(fixture("nonexistant-fake"))),
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: p => p.indexOf(fixture("nonexistant-fake")) === 0,
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: fixture("nonexistant-fake-unknown"),
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process non-matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: new RegExp(escapeRegExp(fixture("nonexistant-unknown"))),
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process non-matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: p => p.indexOf(fixture("nonexistant-unknown")) === 0,
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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});
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describe("array", () => {
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it("should process matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: [fixture("nonexistant-fake")],
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: [new RegExp(escapeRegExp(fixture("nonexistant-fake")))],
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: [p => p.indexOf(fixture("nonexistant-fake")) === 0],
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comments: true,
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});
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expect(opts.comments).toBeUndefined();
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});
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it("should process non-matching string values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: [fixture("nonexistant-fake-unknown")],
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process non-matching RegExp values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: [new RegExp(escapeRegExp(fixture("nonexistant-unknown")))],
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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it("should process non-matching function values", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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exclude: [p => p.indexOf(fixture("nonexistant-unknown")) === 0],
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comments: true,
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});
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expect(opts.comments).toBe(true);
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});
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});
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});
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describe("ignore", () => {
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it("should ignore files that match", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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ignore: [
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fixture("nonexistant-fake", "src.js"),
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// We had a regression where multiple ignore patterns broke things, so
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// we keep some extra random items in here.
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fixture("nonexistant-fake", "other.js"),
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fixture("nonexistant-fake", "misc.js"),
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],
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});
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expect(opts).toBeNull();
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});
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it("should not ignore files that don't match", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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ignore: [
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fixture("nonexistant-fake", "other.js"),
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fixture("nonexistant-fake", "misc.js"),
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],
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});
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expect(opts).not.toBeNull();
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});
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});
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describe("only", () => {
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it("should ignore files that don't match", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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only: [
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fixture("nonexistant-fake", "other.js"),
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fixture("nonexistant-fake", "misc.js"),
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],
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});
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expect(opts).toBeNull();
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});
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it("should not ignore files that match", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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only: [
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fixture("nonexistant-fake", "src.js"),
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fixture("nonexistant-fake", "misc.js"),
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],
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});
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expect(opts).not.toBeNull();
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});
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});
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describe("ignore/only", () => {
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it("should ignore files that match ignore and don't match only", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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ignore: [fixture("nonexistant-fake", "src.js")],
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only: [],
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});
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expect(opts).toBeNull();
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});
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|
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it("should ignore files that match ignore and also only", () => {
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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filename: fixture("nonexistant-fake", "src.js"),
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babelrc: false,
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ignore: [fixture("nonexistant-fake", "src.js")],
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only: [fixture("nonexistant-fake", "src.js")],
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});
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expect(opts).toBeNull();
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});
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it("should not ignore files that match only and not ignore", () => {
|
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const opts = loadOptions({
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cwd: fixture("nonexistant-fake"),
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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);
|
|
});
|
|
|
|
it("should remove the overrides and filtering fields from the options", () => {
|
|
const opts = loadOptions({
|
|
cwd: fixture("nonexistant-fake"),
|
|
filename: fixture("nonexistant-fake", "src.js"),
|
|
babelrc: false,
|
|
overrides: [],
|
|
test: /^/,
|
|
include: /^/,
|
|
exclude: [],
|
|
});
|
|
|
|
expect(opts.overrides).toBeUndefined();
|
|
expect(opts.test).toBeUndefined();
|
|
expect(opts.include).toBeUndefined();
|
|
expect(opts.exclude).toBeUndefined();
|
|
});
|
|
});
|
|
|
|
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 babel.config.json", () => {
|
|
const filename = fixture("config-files", "babel-config-json", "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 babel.config.js", () => {
|
|
const filename = fixture("config-files", "babel-config-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 whtow if both babel.config.json and babel.config.js are used", () => {
|
|
const filename = fixture(
|
|
"config-files",
|
|
"babel-config-js-and-json",
|
|
"src.js",
|
|
);
|
|
|
|
expect(() =>
|
|
loadOptions({ filename, cwd: path.dirname(filename) }),
|
|
).toThrow(/Multiple configuration files found/);
|
|
});
|
|
|
|
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 - /);
|
|
});
|
|
|
|
it("should throw when `test` presents but `filename` is not passed", () => {
|
|
expect(() => loadOptions({ test: /\.ts$/, plugins: [] })).toThrow(
|
|
/Configuration contains string\/RegExp pattern/,
|
|
);
|
|
});
|
|
|
|
it("should throw when `preset` requires `filename` but it was not passed", () => {
|
|
expect(() => {
|
|
loadOptions({
|
|
presets: [require("./fixtures/config-loading/preset4")],
|
|
});
|
|
}).toThrow(/Preset \/\* your preset \*\/ requires a filename/);
|
|
});
|
|
|
|
it("should throw when `preset.overrides` requires `filename` but it was not passed", () => {
|
|
expect(() => {
|
|
loadOptions({
|
|
presets: [require("./fixtures/config-loading/preset5")],
|
|
});
|
|
}).toThrow(/Preset \/\* your preset \*\/ requires a filename/);
|
|
});
|
|
});
|
|
});
|