Function saveModifiedSettings

packages/cli/src/utils/settingsUtils.ts:357–402

(
  modifiedSettings: Set<string>,
  pendingSettings: Settings,
  loadedSettings: LoadedSettings,
  scope: SettingScope,
)

 * Save modified settings to the appropriate scope
 */
export function saveModifiedSettings(
  modifiedSettings: Set<string>,
  pendingSettings: Settings,
  loadedSettings: LoadedSettings,
  scope: SettingScope,
): void {
  modifiedSettings.forEach((settingKey) => {
    const path = settingKey.split('.');
    const value = getNestedValue(
      pendingSettings as Record<string, unknown>,
      path,
    );

    if (value === undefined) {
      return;
    }

    const existsInOriginalFile = settingExistsInScope(
      settingKey,
      loadedSettings.forScope(scope).settings,
    );

    const isDefaultValue = value === getDefaultValue(settingKey);

    if (existsInOriginalFile || !isDefaultValue) {
      // This is tricky because setValue only works on top-level keys.
      // We need to set the whole parent object.
      const [parentKey] = path;
      if (parentKey) {
        // Ensure value is a boolean for setPendingSettingValue
        const booleanValue = typeof value === 'boolean' ? value : false;
        const newParentValue = setPendingSettingValue(
          settingKey,
          booleanValue,
          loadedSettings.forScope(scope).settings,
        )[parentKey as keyof Settings];

        loadedSettings.setValue(
          scope,
          parentKey as keyof Settings,
          newParentValue,
        );
      }
    }
  });
}

/**
 * Get the display value for a setting, showing current scope value with default change indicator