chore: import upstream snapshot with attribution

2026-07-13 12:18:57 +08:00
commit e6ed586119
131 changed files with 17114 additions and 0 deletions
@@ -0,0 +1,62 @@
+// Copyright 2026 Google LLC
+//
+// 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
+//
+//     https://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.
+
+import type { FixerInput, FixerResult } from './spec.js';
+import { CANONICAL_ORDER, resolveAlias } from '../linter/rules/section-order.js';
+
+export function fixSectionOrder(input: FixerInput): FixerResult {
+  const { sections } = input;
+  
+  const prelude = sections.find(s => s.heading === '');
+  
+  const known = sections.filter(s => {
+    if (s.heading === '') return false;
+    return CANONICAL_ORDER.includes(resolveAlias(s.heading));
+  });
+  
+  const unknown = sections.filter(s => {
+    if (s.heading === '') return false;
+    return !CANONICAL_ORDER.includes(resolveAlias(s.heading));
+  });
+
+  // Sort known sections by canonical order
+  known.sort((a, b) => {
+    return CANONICAL_ORDER.indexOf(resolveAlias(a.heading)) - CANONICAL_ORDER.indexOf(resolveAlias(b.heading));
+  });
+
+  const resultSections = [];
+  if (prelude) resultSections.push(prelude);
+  resultSections.push(...known);
+  resultSections.push(...unknown);
+
+  // Join content with newlines.
+  // We might need to ensure there are enough newlines between sections.
+  // The parser keeps the trailing newlines if they are part of the section content.
+  // Let's see if we need to add a newline between them.
+  // If we join with '\n', and content already ends with '\n', we might get double newlines.
+  // Let's just join them for now and see what happens in tests!
+  const fixedContent = resultSections.map(s => s.content).join('\n');
+
+  const beforeOrder = sections.map(s => s.heading).filter(h => h !== '');
+  const afterOrder = resultSections.map(s => s.heading).filter(h => h !== '');
+
+  return {
+    success: true,
+    fixedContent,
+    details: {
+      beforeOrder,
+      afterOrder
+    }
+  };
+}