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fix: Ensure flat config unignores work consistently like eslintrc (#1…
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…6579)

* chore: Finish FlatESLint tests

We have several tests that were ignored back when we were waiting for
fast-glob fixes. Because we no longer use fast-glob, the tests now work.

* Update default config and tests
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@nzakas
nzakas committed Dec 16, 2022
1 parent 075ef2c commit 1a327aa
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Showing 3 changed files with 76 additions and 27 deletions.
2 changes: 1 addition & 1 deletion lib/config/default-config.js
View file
Expand Up @@ -51,7 +51,7 @@ exports.defaultConfig = [
// default ignores are listed here
{
ignores: [
"**/node_modules/**",
"**/node_modules/*",
".git/"
]
},
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2 changes: 1 addition & 1 deletion package.json
View file
Expand Up @@ -56,7 +56,7 @@
"bugs": "https://github.com/eslint/eslint/issues/",
"dependencies": {
"@eslint/eslintrc": "^1.3.3",
"@humanwhocodes/config-array": "0.11.7",
"@humanwhocodes/config-array": "^0.11.8",
"@humanwhocodes/module-importer": "^1.0.1",
"@nodelib/fs.walk": "^1.2.8",
"ajv": "^6.10.0",
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99 changes: 74 additions & 25 deletions tests/lib/eslint/flat-eslint.js
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Expand Up @@ -4502,19 +4502,13 @@ describe("FlatESLint", () => {
});


/*
* These tests fail due to a bug in fast-glob that doesn't allow
* negated patterns inside of ignores. These tests won't work until
* this bug is fixed:
* https://github.com/mrmlnc/fast-glob/issues/356
*/
xdescribe("ignorePatterns can unignore '/node_modules/foo'.", () => {
describe("ignores can unignore '/node_modules/foo'.", () => {

const { prepare, cleanup, getPath } = createCustomTeardown({
cwd: root,
cwd: `${root}-unignores`,
files: {
"eslint.config.js": `module.exports = {
ignores: ["!**/node_modules/foo/**"]
ignores: ["!**/node_modules/foo"]
};`,
"node_modules/foo/index.js": "",
"node_modules/foo/.dot.js": "",
Expand Down Expand Up @@ -4551,16 +4545,70 @@ describe("FlatESLint", () => {
.sort();

assert.deepStrictEqual(filePaths, [
path.join(root, "eslint.config.js"),
path.join(root, "foo.js"),
path.join(root, "node_modules/foo/index.js")
path.join(getPath(), "eslint.config.js"),
path.join(getPath(), "foo.js"),
path.join(getPath(), "node_modules/foo/.dot.js"),
path.join(getPath(), "node_modules/foo/index.js")
]);
});
});

xdescribe("ignore pattern can re-ignore files that are unignored by a previous pattern.", () => {
describe("ignores can unignore '/node_modules/foo/**'.", () => {

const { prepare, cleanup, getPath } = createCustomTeardown({
cwd: root,
cwd: `${root}-unignores`,
files: {
"eslint.config.js": `module.exports = {
ignores: ["!**/node_modules/foo/**"]
};`,
"node_modules/foo/index.js": "",
"node_modules/foo/.dot.js": "",
"node_modules/bar/index.js": "",
"foo.js": ""
}
});

beforeEach(prepare);
afterEach(cleanup);

it("'isPathIgnored()' should return 'true' for 'node_modules/foo/index.js'.", async () => {
const engine = new FlatESLint({ cwd: getPath() });

assert.strictEqual(await engine.isPathIgnored("node_modules/foo/index.js"), false);
});

it("'isPathIgnored()' should return 'true' for 'node_modules/foo/.dot.js'.", async () => {
const engine = new FlatESLint({ cwd: getPath() });

assert.strictEqual(await engine.isPathIgnored("node_modules/foo/.dot.js"), false);
});

it("'isPathIgnored()' should return 'true' for 'node_modules/bar/index.js'.", async () => {
const engine = new FlatESLint({ cwd: getPath() });

assert.strictEqual(await engine.isPathIgnored("node_modules/bar/index.js"), true);
});

it("'lintFiles()' should verify 'node_modules/foo/index.js'.", async () => {
const engine = new FlatESLint({ cwd: getPath() });
const result = (await engine.lintFiles("**/*.js"));

const filePaths = result
.map(r => r.filePath)
.sort();

assert.deepStrictEqual(filePaths, [
path.join(getPath(), "eslint.config.js"),
path.join(getPath(), "foo.js"),
path.join(getPath(), "node_modules/foo/.dot.js"),
path.join(getPath(), "node_modules/foo/index.js")
]);
});
});

describe("ignore pattern can re-ignore files that are unignored by a previous pattern.", () => {
const { prepare, cleanup, getPath } = createCustomTeardown({
cwd: `${root}-reignore`,
files: {
"eslint.config.js": `module.exports = ${JSON.stringify({
ignores: ["!.*", ".foo*"]
Expand Down Expand Up @@ -4592,15 +4640,15 @@ describe("FlatESLint", () => {
.sort();

assert.deepStrictEqual(filePaths, [
path.join(root, ".bar.js"),
path.join(root, "eslint.config.js")
path.join(getPath(), ".bar.js"),
path.join(getPath(), "eslint.config.js")
]);
});
});

xdescribe("ignore pattern can unignore files that are ignored by a previous pattern.", () => {
describe("ignore pattern can unignore files that are ignored by a previous pattern.", () => {
const { prepare, cleanup, getPath } = createCustomTeardown({
cwd: root,
cwd: `${root}-dignore`,
files: {
"eslint.config.js": `module.exports = ${JSON.stringify({
ignores: ["**/*.js", "!foo.js"]
Expand Down Expand Up @@ -4632,7 +4680,7 @@ describe("FlatESLint", () => {
.sort();

assert.deepStrictEqual(filePaths, [
path.join(root, "foo.js")
path.join(getPath(), "foo.js")
]);
});
});
Expand Down Expand Up @@ -5033,17 +5081,17 @@ describe("FlatESLint", () => {
});
});

// dependent on https://github.com/mrmlnc/fast-glob/issues/86
xdescribe("if { ignores: 'foo/*.js', ... } is present by '--config node_modules/myconf/eslint.config.js',", () => {
describe("if { ignores: 'foo/*.js', ... } is present by '--config node_modules/myconf/eslint.config.js',", () => {
const { prepare, cleanup, getPath } = createCustomTeardown({
cwd: `${root}a3`,
files: {
"node_modules/myconf/eslint.config.js": `module.exports = {
ignores: ["**/eslint.config.js", "!node_modules/myconf", "foo/*.js"],
"node_modules/myconf/eslint.config.js": `module.exports = [{
ignores: ["!node_modules/myconf", "foo/*.js"],
}, {
rules: {
eqeqeq: "error"
}
}`,
}]`,
"node_modules/myconf/foo/test.js": "a == b",
"foo/test.js": "a == b"
}
Expand All @@ -5052,7 +5100,7 @@ describe("FlatESLint", () => {
beforeEach(prepare);
afterEach(cleanup);

it("'lintFiles()' with '**/*.js' should iterate 'node_modules/myconf/foo/test.js' but not 'foo/test.js'.", async () => {
it("'lintFiles()' with '**/*.js' should lint 'node_modules/myconf/foo/test.js' but not 'foo/test.js'.", async () => {
const engine = new FlatESLint({
overrideConfigFile: "node_modules/myconf/eslint.config.js",
cwd: getPath()
Expand All @@ -5062,6 +5110,7 @@ describe("FlatESLint", () => {
.sort();

assert.deepStrictEqual(files, [
path.join(getPath(), "node_modules/myconf/eslint.config.js"),
path.join(getPath(), "node_modules/myconf/foo/test.js")
]);
});
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