new initial commit (history rewritten)

utils/settings/validateEditTool.ts

@@ -0,0 +1,45 @@
+import type { ValidationResult } from 'src/Tool.js'
+import { isClaudeSettingsPath } from '../permissions/filesystem.js'
+import { validateSettingsFileContent } from './validation.js'
+
+/**
+ * Validates settings file edits to ensure the result conforms to SettingsSchema.
+ * This is used by FileEditTool to avoid code duplication.
+ *
+ * @param filePath - The file path being edited
+ * @param originalContent - The original file content before edits
+ * @param getUpdatedContent - A closure that returns the content after applying edits
+ * @returns Validation result with error details if validation fails
+ */
+export function validateInputForSettingsFileEdit(
+  filePath: string,
+  originalContent: string,
+  getUpdatedContent: () => string,
+): Extract<ValidationResult, { result: false }> | null {
+  // Only validate Claude settings files
+  if (!isClaudeSettingsPath(filePath)) {
+    return null
+  }
+
+  // Check if the current file (before edit) conforms to the schema
+  const beforeValidation = validateSettingsFileContent(originalContent)
+
+  if (!beforeValidation.isValid) {
+    // If the before version is invalid, allow the edit (don't block it)
+    return null
+  }
+
+  // If the before version is valid, ensure the after version is also valid
+  const updatedContent = getUpdatedContent()
+  const afterValidation = validateSettingsFileContent(updatedContent)
+
+  if (!afterValidation.isValid) {
+    return {
+      result: false,
+      message: `Claude Code settings.json validation failed after edit:\n${afterValidation.error}\n\nFull schema:\n${afterValidation.fullSchema}\nIMPORTANT: Do not update the env unless explicitly instructed to do so.`,
+      errorCode: 10,
+    }
+  }
+
+  return null
+}