apply()

in client/src/cqlInput/editor/plugin.ts [209:233]

• 22 lines of code
• 5 McCabe index (conditional complexity)

      apply(tr, state, oldState) {
        const maybeError: string | undefined = tr.getMeta(ACTION_SERVER_ERROR);
        if (maybeError) {
          return {
            ...state,
            tokens: [],
            error: { message: maybeError },
          };
        }

        const maybeNewState: PluginState | undefined =
          tr.getMeta(ACTION_NEW_STATE);

        if (!maybeNewState) {
          if (cqlPluginKey.getState(oldState)?.error && tr.docChanged) {
            return {
              ...state,
              error: undefined,
            };
          }
          return state;
        }

        return maybeNewState;
      },