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## @0xproject/sol-compiler
Sol-compiler is a wrapper around [solc-js](https://www.npmjs.com/package/solc) that adds:
* Smart re-compilation: Only recompiles when smart contracts have changed
* Ability to compile an entire project instead of only individual `.sol` files
* Compilation using the Solidity version specified at the top of each individual `.sol` file
* Proper parsing of Solidity version ranges
* Support for the standard [input description](https://solidity.readthedocs.io/en/develop/using-the-compiler.html#input-description) for what information you'd like added to the resulting `artifacts` file (i.e 100% configurable artifacts content).
### Read the [Documentation](https://0xproject.com/docs/sol-compiler).
## Installation
#### CLI Installation
```bash
yarn global add @0xproject/sol-compiler
```
#### API Installation
```bash
yarn add @0xproject/sol-compiler
```
If your project is in [TypeScript](https://www.typescriptlang.org/), add the following to your `tsconfig.json`:
```json
"compilerOptions": {
"typeRoots": ["node_modules/@0xproject/typescript-typings/types", "node_modules/@types"],
}
```
**Import**
```typescript
import { Compiler } from '@0xproject/sol-compiler';
```
or
```javascript
var Compiler = require('@0xproject/sol-compiler').Compiler;
```
## Contributing
We welcome improvements and fixes from the wider community! To report bugs within this package, please create an issue in this repository.
Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting started.
### Install dependencies
If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
```bash
yarn config set workspaces-experimental true
```
Then install dependencies
```bash
yarn install
```
### Build
To build this package and all other monorepo packages that it depends on, run the following from the monorepo root directory:
```bash
PKG=@0xproject/sol-compiler yarn build
```
Or continuously rebuild on change:
```bash
PKG=@0xproject/sol-compiler yarn watch
```
### Clean
```bash
yarn clean
```
### Lint
```bash
yarn lint
```
### Run Tests
```bash
yarn test
```
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