Switch to flat config

eslint.config.js

@@ -0,0 +1,43 @@
+'use strict';
+
+const { createFlatConfig }          = require('@origin-1/eslint-config');
+const eslintPluginEslintComments    = require('eslint-plugin-eslint-comments');
+const eslintPluginTsdoc             = require('eslint-plugin-tsdoc');
+const globals                       = require('globals');
+
+module.exports =
+createFlatConfig
+(
+    {
+        ignores: ['**/.*', 'coverage', 'example/demo'],
+    },
+    {
+        files:              ['**/*.js'],
+        jsVersion:          2020,
+        languageOptions:    { sourceType: 'script' },
+    },
+    {
+        files:              ['test/*.spec.js'],
+        languageOptions:    { globals: globals.mocha },
+    },
+    {
+        files:              ['**/*.ts'],
+        tsVersion:          '4.2.0',
+        languageOptions:    { parserOptions: { project: 'tsconfig.json' } },
+        plugins:            { 'tsdoc': eslintPluginTsdoc },
+        rules:              { 'tsdoc/syntax': 'error' },
+    },
+    {
+        languageOptions:    { globals: globals.node },
+        plugins:            { 'eslint-comments': eslintPluginEslintComments },
+        rules:
+        {
+            'no-throw-literal':                         'off',
+            'eslint-comments/disable-enable-pair':      'error',
+            'eslint-comments/no-aggregating-enable':    'error',
+            'eslint-comments/no-duplicate-disable':     'error',
+            'eslint-comments/no-unlimited-disable':     'error',
+            'eslint-comments/no-unused-enable':         'error',
+        },
+    },
+);

gulpfile.js

@@ -22,8 +22,8 @@ task
         const gulpESLintNew = require('gulp-eslint-new');
 
         const stream =
-        src(['.eslintrc.js', '*.js', 'example/*.js', 'lib/*.{js,ts}', 'test/**/*.{js,ts}'])
-        .pipe(gulpESLintNew({ warnIgnored: true }))
+        src(['*.js', 'example/*.js', 'lib/*.{js,ts}', 'test/**/*.{js,ts}'])
+        .pipe(gulpESLintNew({ configType: 'flat', warnIgnored: true }))
         .pipe(gulpESLintNew.format('compact'))
         .pipe(gulpESLintNew.failAfterError());
         return stream;