一个轻量级的实现，不依赖node10，可以后退支持到es6的repl3设计。 教科书级别的项目。我们将提供更强大的后续设计，在webnode中。
```bash npm install tslint @typeshell/tslint-rules --save-dev ```
```bash npm install @typeshell/stream-utils ```
```bash npm install tslint @typeshell/tslint-rules --save-dev ```
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```bash npm install @typeshell/crypto ```
```bash npm install @typeshell/iterator-utils --save ```
## install
```bash npm install @typeshell/stream-utils ```
```bash npm install @typeshell/iterator-utils --save ```
nv-error-jserde =============== - error AND json - for compatible with nvlang err-db(which is just a insert-only database to record all errors)
```bash npm install @typeshell/iterator-utils --save ```