Update ESLint to v10 and eslint-plugin-n to v18

.npmignore

@@ -19,5 +19,5 @@ TODO.md
 *.tgz
 .nyc_output
 coverage
-.eslintrc
+eslint.config.js
 cloudformation

eslint.config.js

@@ -0,0 +1,73 @@
+'use strict';
+
+const js = require('@eslint/js');
+const stylistic = require('@stylistic/eslint-plugin');
+const n = require('eslint-plugin-n');
+const globals = require('globals');
+
+module.exports = [
+  {
+    ignores: ['coverage/']
+  },
+  js.configs.recommended,
+  {
+    files: ['**/*.js', 'bin/node-pre-gyp'],
+    plugins: {
+      '@stylistic': stylistic,
+      n
+    },
+    languageOptions: {
+      ecmaVersion: 2020,
+      sourceType: 'commonjs',
+      globals: {
+        ...globals.node
+      }
+    },
+    rules: {
+      'no-var': 'error',
+      'prefer-const': 'error',
+      'eqeqeq': ['error', 'smart'],
+      'no-extend-native': 'error',
+      'no-use-before-define': ['error', 'nofunc'],
+      'strict': 'error',
+      'no-console': 'off',
+      'no-shadow': 'error',
+      'no-constant-condition': ['error', { checkLoops: false }],
+      'prefer-arrow-callback': 'error',
+
+      'n/no-unsupported-features/es-builtins': 'error',
+      'n/no-unsupported-features/es-syntax': 'error',
+      'n/no-unsupported-features/node-builtins': 'error',
+      'n/no-missing-require': 'error',
+
+      '@stylistic/array-bracket-spacing': ['error', 'never'],
+      '@stylistic/arrow-parens': ['error', 'always'],
+      '@stylistic/comma-dangle': ['error', 'never'],
+      '@stylistic/comma-spacing': 'error',
+      '@stylistic/computed-property-spacing': ['error', 'never'],
+      '@stylistic/eol-last': 'error',
+      '@stylistic/function-call-spacing': ['error', 'never'],
+      '@stylistic/indent': ['error', 2, { SwitchCase: 1 }],
+      '@stylistic/key-spacing': 'error',
+      '@stylistic/keyword-spacing': ['error', { before: true, after: true }],
+      '@stylistic/no-confusing-arrow': ['error', { allowParens: false }],
+      '@stylistic/no-mixed-spaces-and-tabs': 'error',
+      '@stylistic/no-trailing-spaces': 'error',
+      '@stylistic/object-curly-spacing': ['error', 'always'],
+      '@stylistic/quotes': ['error', 'single', { avoidEscape: true }],
+      '@stylistic/rest-spread-spacing': ['error', 'never'],
+      '@stylistic/semi': ['error', 'always'],
+      '@stylistic/semi-spacing': 'error',
+      '@stylistic/space-before-blocks': 'error',
+      '@stylistic/space-before-function-paren': ['error', {
+        anonymous: 'never',
+        named: 'never',
+        asyncArrow: 'always'
+      }],
+      '@stylistic/space-in-parens': ['error', 'never'],
+      '@stylistic/space-infix-ops': 'error',
+      '@stylistic/spaced-comment': ['error', 'always'],
+      '@stylistic/template-curly-spacing': ['error', 'never']
+    }
+  }
+];

lib/install.js

@@ -21,7 +21,7 @@ try {
   // Read own package.json to get the current node-pre-pyp version.
   const ownPackageJSON = fs.readFileSync(path.join(__dirname, '..', 'package.json'), 'utf8');
   npgVersion = JSON.parse(ownPackageJSON).version;
-} catch (e) {
+} catch {
   // do nothing
 }
 
@@ -210,7 +210,7 @@ function do_build(gyp, argv, callback) {
 
 function print_fallback_error(err, opts, package_json) {
   const fallback_message = ' (falling back to source compile with node-gyp)';
-  let full_message = '';
+  let full_message;
   if (err.statusCode !== undefined) {
     // If we got a network response it but failed to download
     // it means remote binaries are not available, so let's try to help

lib/util/compile.js

@@ -23,7 +23,7 @@ function which_node_gyp() {
       if (existsSync(node_gyp_bin)) {
         return node_gyp_bin;
       }
-    } catch (err) {
+    } catch {
       // do nothing
     }
   }
@@ -35,7 +35,7 @@ function which_node_gyp() {
     if (existsSync(node_gyp_bin)) {
       return node_gyp_bin;
     }
-  } catch (err) {
+  } catch {
     // do nothing
   }
   if (process.execPath.indexOf('iojs') === -1) {
@@ -47,7 +47,7 @@ function which_node_gyp() {
       if (existsSync(node_gyp_bin)) {
         return node_gyp_bin;
       }
-    } catch (err) {
+    } catch {
       // do nothing
     }
   }