♻️ Fixit: create src/core with eslint rule disallowing imports

extensions/amp-accordion/1.0/base-element.js

@@ -23,7 +23,7 @@ import {
 } from './component';
 import {PreactBaseElement} from '../../../src/preact/base-element';
 import {childElementsByTag, toggleAttribute} from '../../../src/dom';
-import {pureDevAssert as devAssert} from '../../../src/assert';
+import {pureDevAssert as devAssert} from '../../../src/core/assert';
 import {dict, memo} from '../../../src/utils/object';
 import {forwardRef} from '../../../src/preact/compat';
 import {toArray} from '../../../src/types';

extensions/amp-selector/1.0/base-element.js

@@ -23,7 +23,7 @@ import {
   toggleAttribute,
   tryFocus,
 } from '../../../src/dom';
-import {pureDevAssert as devAssert} from '../../../src/assert';
+import {pureDevAssert as devAssert} from '../../../src/core/assert';
 import {dict} from '../../../src/utils/object';
 import {toArray} from '../../../src/types';
 import {useCallback, useLayoutEffect, useRef} from '../../../src/preact';

src/core/.eslintrc.js

@@ -0,0 +1,27 @@
+/**
+ * Copyright 2021 The AMP HTML Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS-IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+module.exports = {
+  'rules': {
+    'no-restricted-imports': [
+      'error',
+      {
+        // Disallow importing dependencies from outside this directory
+        'patterns': ['..'],
+      },
+    ],
+  },
+};

src/core/OWNERS

@@ -0,0 +1,14 @@
+// For an explanation of the OWNERS rules and syntax, see:
+// https://github.com/ampproject/amp-github-apps/blob/master/owners/OWNERS.example
+
+{
+  rules: [
+    {
+      owners: [
+        {name: 'dvoytenko'},
+        {name: 'jridgewell', required: true},
+        {name: 'ampproject/wg-performance'},
+      ],
+    },
+  ],
+}

src/log.js

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {USER_ERROR_SENTINEL} from './assert';
+import {USER_ERROR_SENTINEL} from './core/assert';
 import {getMode} from './mode';
 import {internalRuntimeVersion} from './internal-version';
 import {isArray, isEnumValue} from './types';

src/utils/date.js

@@ -17,7 +17,7 @@
 import {
   pureDevAssert as devAssert,
   pureUserAssert as userAssert,
-} from '../assert';
+} from '../core/assert';
 
 /**
  * Parses the date using the `Date.parse()` rules. Additionally supports the

test/unit/test-assert.js

@@ -18,7 +18,7 @@ import {
   USER_ERROR_SENTINEL,
   pureDevAssert as devAssert,
   pureUserAssert as userAssert,
-} from '../../src/assert';
+} from '../../src/core/assert';
 
 describes.sandboxed('assertions', {}, () => {
   describe('devAssert', () => {