Files
boocode/apps/coder/src/services/edit-guards-imports.ts
indifferentketchup 2a83f61070 feat(coder): add import-drop detection to edit safety guards
- checkDroppedImports detects removed import/require lines in edits
- Runs alongside truncation guard in pending_changes.ts
- Supports ESM imports, CJS require, type imports, side-effect imports
2026-06-07 18:05:30 +00:00

48 lines
1.3 KiB
TypeScript

// edit-guards-imports — detects dropped imports in edited files.
// Ported from opencode-morph-fast-apply (MIT).
export interface ImportCheckResult {
ok: boolean;
missingImports: string[];
reason?: string;
}
const IMPORT_PATTERNS = [
/^import\s+(?:\{[^}]*\}|\*\s+as\s+\w+|\w+)\s+from\s+['"][^'"]+['"]\s*;?$/m,
/^import\s+['"][^'"]+['"]\s*;?$/m,
/^export\s+.*\s+from\s+['"][^'"]+['"]\s*;?$/m,
/^require\s*\(\s*['"][^'"]+['"]\s*\)\s*;?$/m,
/^import\s+type\s+\{[^}]*\}\s+from\s+['"][^'"]+['"]\s*;?$/m,
];
function extractImportLines(content: string): string[] {
return content.split('\n').filter((line) =>
IMPORT_PATTERNS.some((p) => p.test(line.trim())),
);
}
export function checkDroppedImports(
original: string,
updated: string,
filePath: string,
): ImportCheckResult {
const originalImports = extractImportLines(original);
const updatedImports = extractImportLines(updated);
if (originalImports.length === 0) {
return { ok: true, missingImports: [] };
}
const missing = originalImports.filter((imp) => !updatedImports.includes(imp));
if (missing.length > 0 && originalImports.length > 0) {
return {
ok: false,
missingImports: missing,
reason: `Edit would drop ${missing.length} import(s) from ${filePath}`,
};
}
return { ok: true, missingImports: [] };
}