# Call Node.js functions from Rust



## Prerequisite
Must have Node.js installed with the following packages.
```
npm i ssvm sync-request better-sqlite3
npm i -g ssvmup
npm i -g wasm-pack
```
## How to use
Add cargo dependency
```
[dependencies]
nodejs-helper = "0.0.3"
```
Make Node.js Javascript API calls from Rust code!
```
#[wasm_bindgen]
pub fn utc_now() {
let now: String = nodejs_helper::date::utc_string();
nodejs_helper::console::log("UTC time: ");
nodejs_helper::console::log(&now);
}
```
The Rust code must be compiled to WebAssembly and run from inside Node.js. [See how](https://cloud.secondstate.io/server-side-webassembly/getting-started)
## Examples
Demo code is [available here](https://github.com/second-state/wasm-learning/tree/master/nodejs/nodejs_example)
## Documentation
See [how the examples work](https://cloud.secondstate.io/server-side-webassembly/rust-and-javascript/call-javascript-functions-from-rust)