tools: move ESLint to tools/eslint

Greatly simplify how ESLint and its plugins are installed.

.editorconfig

@@ -23,5 +23,5 @@ indent_size = unset
 indent_style = unset
 trim_trailing_whitespace = unset
 
-[{test/fixtures,deps,tools/node_modules,tools/gyp,tools/icu,tools/msvs}/**]
+[{test/fixtures,deps,tools/eslint/node_modules,tools/gyp,tools/icu,tools/msvs}/**]
 insert_final_newline = false

.github/workflows/build-tarball.yml

@@ -96,7 +96,7 @@ jobs:
           echo "TAR_DIR=$RUNNER_TEMP/`basename tarballs/*.tar.gz .tar.gz`" >> $GITHUB_ENV
       - name: Copy directories needed for testing
         run: |
-          cp -r tools/node_modules $TAR_DIR/tools
+          cp -r tools/eslint $TAR_DIR/tools
           cp -r tools/eslint-rules $TAR_DIR/tools
       - name: Build
         run: |

LICENSE

@@ -2003,7 +2003,7 @@ The externally maintained libraries used by Node.js are:
     OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   """
 
-- ESLint, located at tools/node_modules/eslint, is licensed as follows:
+- ESLint, located at tools/eslint/node_modules/eslint, is licensed as follows:
   """
     Copyright OpenJS Foundation and other contributors, <www.openjsf.org>
 

Makefile

@@ -1191,7 +1191,7 @@ $(TARBALL): release-only doc-only
 	$(RM) -r $(TARNAME)/tools/eslint
 	$(RM) -r $(TARNAME)/tools/eslint-rules
 	$(RM) -r $(TARNAME)/tools/license-builder.sh
-	$(RM) -r $(TARNAME)/tools/node_modules
+	$(RM) -r $(TARNAME)/tools/eslint/node_modules
 	$(RM) -r $(TARNAME)/tools/osx-*
 	$(RM) -r $(TARNAME)/tools/osx-pkg.pmdoc
 	find $(TARNAME)/deps/v8/test/* -type d ! -regex '.*/test/torque$$' | xargs $(RM) -r
@@ -1377,7 +1377,7 @@ format-md:
 
 LINT_JS_TARGETS = eslint.config.mjs benchmark doc lib test tools
 
-run-lint-js = tools/node_modules/eslint/bin/eslint.js --cache \
+run-lint-js = tools/eslint/node_modules/eslint/bin/eslint.js --cache \
 	--max-warnings=0 --report-unused-disable-directives $(LINT_JS_TARGETS)
 run-lint-js-fix = $(run-lint-js) --fix
 
@@ -1401,7 +1401,7 @@ lint-js lint-js-doc:
 jslint: lint-js
 	$(warning Please use lint-js instead of jslint)
 
-run-lint-js-ci = tools/node_modules/eslint/bin/eslint.js \
+run-lint-js-ci = tools/eslint/node_modules/eslint/bin/eslint.js \
   --max-warnings=0 --report-unused-disable-directives -f tap \
 	-o test-eslint.tap $(LINT_JS_TARGETS)
 
@@ -1561,7 +1561,7 @@ lint-yaml:
 
 .PHONY: lint
 .PHONY: lint-ci
-ifneq ("","$(wildcard tools/node_modules/eslint/)")
+ifneq ("","$(wildcard tools/eslint/node_modules/eslint/)")
 lint: ## Run JS, C++, MD and doc linters.
 	@EXIT_STATUS=0 ; \
 	$(MAKE) lint-js || EXIT_STATUS=$$? ; \

benchmark/misc/startup-cli-version.js

@@ -11,7 +11,7 @@ const path = require('path');
 // indispensible part of the CLI.
 // NOTE: not all tools are present in tarball hence need to filter
 const availableCli = [
-  'tools/node_modules/eslint/bin/eslint.js',
+  'tools/eslint/node_modules/eslint/bin/eslint.js',
   'deps/npm/bin/npx-cli.js',
   'deps/npm/bin/npm-cli.js',
   'deps/corepack/dist/corepack.js',

doc/contributing/collaborator-guide.md

@@ -855,7 +855,7 @@ might impact an LTS release.
 | `src/node_api.*`                                                           | @nodejs/node-api                                                              |
 | `src/node_crypto.*`, `src/crypto`                                          | @nodejs/crypto                                                                |
 | `test/*`                                                                   | @nodejs/testing                                                               |
-| `tools/node_modules/eslint`, `eslint.config.mjs`                           | @nodejs/linting                                                               |
+| `tools/eslint`, `eslint.config.mjs`                                        | @nodejs/linting                                                               |
 | build                                                                      | @nodejs/build                                                                 |
 | `src/module_wrap.*`, `lib/internal/modules/*`, `lib/internal/vm/module.js` | @nodejs/modules                                                               |
 | GYP                                                                        | @nodejs/gyp                                                                   |

pyproject.toml

@@ -4,7 +4,7 @@ exclude = [
   "tools/cpplint.py",
   "tools/gyp",
   "tools/inspector_protocol",
-  "tools/node_modules",
+  "tools/eslint/node_modules",
 ]
 line-length = 172
 target-version = "py37"

test/common/README.md

@@ -472,7 +472,7 @@ Skip the rest of the tests if the current terminal is a dumb terminal
 ### `skipIfEslintMissing()`
 
 Skip the rest of the tests in the current file when `ESLint` is not available
-at `tools/node_modules/eslint`
+at `tools/eslint/node_modules/eslint`
 
 ### `skipIfInspectorDisabled()`
 

test/common/index.js

@@ -499,7 +499,7 @@ function hasMultiLocalhost() {
 
 function skipIfEslintMissing() {
   if (!fs.existsSync(
-    path.join(__dirname, '..', '..', 'tools', 'node_modules', 'eslint'),
+    path.join(__dirname, '..', '..', 'tools', 'eslint', 'node_modules', 'eslint'),
   )) {
     skip('missing ESLint');
   }

test/parallel/test-eslint-alphabetize-errors.js

@@ -6,7 +6,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 }
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/alphabetize-errors');
 
 new RuleTester().run('alphabetize-errors', rule, {

test/parallel/test-eslint-alphabetize-primordials.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/alphabetize-primordials');
 
 new RuleTester()

test/parallel/test-eslint-async-iife-no-unused-result.js

@@ -5,7 +5,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 }
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/async-iife-no-unused-result');
 
 const message = 'The result of an immediately-invoked async function needs ' +

test/parallel/test-eslint-avoid-prototype-pollution.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/avoid-prototype-pollution');
 
 new RuleTester()

test/parallel/test-eslint-crypto-check.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/crypto-check');
 
 const message = 'Please add a hasCrypto check to allow this test to be ' +

test/parallel/test-eslint-documented-deprecation-codes.js

@@ -7,7 +7,7 @@ if (!common.hasIntl)
   common.skip('missing Intl');
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/documented-deprecation-codes');
 
 const mdFile = 'doc/api/deprecations.md';

test/parallel/test-eslint-documented-errors.js

@@ -6,7 +6,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 }
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/documented-errors');
 
 const invalidCode = 'UNDOCUMENTED ERROR CODE';

test/parallel/test-eslint-duplicate-requires.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const { RuleTester } = require('../../tools/node_modules/eslint');
+const { RuleTester } = require('../../tools/eslint/node_modules/eslint');
 const rule = require('../../tools/eslint-rules/no-duplicate-requires');
 
 new RuleTester({

test/parallel/test-eslint-eslint-check.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/eslint-check');
 
 const message = 'Please add a skipIfEslintMissing() call to allow this ' +
@@ -19,16 +19,16 @@ new RuleTester().run('eslint-check', rule, {
     'foo;',
     'require("common")\n' +
       'common.skipIfEslintMissing();\n' +
-      'require("../../tools/node_modules/eslint")',
+      'require("../../tools/eslint/node_modules/eslint")',
   ],
   invalid: [
     {
       code: 'require("common")\n' +
-            'require("../../tools/node_modules/eslint").RuleTester',
+            'require("../../tools/eslint/node_modules/eslint").RuleTester',
       errors: [{ message }],
       output: 'require("common")\n' +
               'common.skipIfEslintMissing();\n' +
-              'require("../../tools/node_modules/eslint").RuleTester'
+              'require("../../tools/eslint/node_modules/eslint").RuleTester'
     },
   ]
 });

test/parallel/test-eslint-inspector-check.js

@@ -6,7 +6,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 }
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/inspector-check');
 
 const message = 'Please add a skipIfInspectorDisabled() call to allow this ' +

test/parallel/test-eslint-lowercase-name-for-primitive.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/lowercase-name-for-primitive');
 
 new RuleTester().run('lowercase-name-for-primitive', rule, {

test/parallel/test-eslint-no-array-destructuring.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const { RuleTester } = require('../../tools/node_modules/eslint');
+const { RuleTester } = require('../../tools/eslint/node_modules/eslint');
 const rule = require('../../tools/eslint-rules/no-array-destructuring');
 
 const USE_OBJ_DESTRUCTURING =

test/parallel/test-eslint-no-unescaped-regexp-dot.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/no-unescaped-regexp-dot');
 
 new RuleTester().run('no-unescaped-regexp-dot', rule, {

test/parallel/test-eslint-non-ascii-character.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/non-ascii-character');
 
 new RuleTester().run('non-ascii-characters', rule, {

test/parallel/test-eslint-prefer-assert-iferror.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/prefer-assert-iferror');
 
 new RuleTester().run('prefer-assert-iferror', rule, {

test/parallel/test-eslint-prefer-assert-methods.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/prefer-assert-methods');
 
 new RuleTester().run('prefer-assert-methods', rule, {

test/parallel/test-eslint-prefer-common-mustnotcall.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/prefer-common-mustnotcall');
 
 const message = 'Please use common.mustNotCall(msg) instead of ' +

test/parallel/test-eslint-prefer-common-mustsucceed.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/prefer-common-mustsucceed');
 
 const msg1 = 'Please use common.mustSucceed instead of ' +

test/parallel/test-eslint-prefer-primordials.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/prefer-primordials');
 
 new RuleTester({

test/parallel/test-eslint-prefer-proto.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/prefer-proto');
 
 new RuleTester().run('prefer-common-mustsucceed', rule, {

test/parallel/test-eslint-prefer-util-format-errors.js

@@ -9,7 +9,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/prefer-util-format-errors');
 
 new RuleTester()

test/parallel/test-eslint-require-common-first.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/require-common-first');
 
 new RuleTester({

test/parallel/test-eslint-required-modules.js

@@ -7,7 +7,7 @@ if ((!common.hasCrypto) || (!common.hasIntl)) {
 
 common.skipIfEslintMissing();
 
-const RuleTester = require('../../tools/node_modules/eslint').RuleTester;
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
 const rule = require('../../tools/eslint-rules/required-modules');
 
 new RuleTester({