[ < Back to readme](../readme.md)
# API
## Options
|Name|ОExpected type/value|Description|
|---|---|---|
| `immutable` | `boolean` | Whether to allow changing values in the read configurations.If `true`, then methods `Blocco#set`, `Blocco#unset`, `Blocco#setSync` and `Blocco#unsetSync` will thrown an exceptions. |
| `root` | `string` | Path, where to find config. |
| `env` | `string` | The name of the environment to be used. |
## Methods
| Name | Type | Input | Output | Description |
|---|---|---|---|---|
|`Bloco#load(void)`| `Function` | — | `Promise` | Initialize search and build directory tree. |
|`Bloco#has` | `Function` | `route {String}` | `boolean` | Check property or file existance. If file not loaded yet, trying to load file. Returns `true` if the property of file exists, else `false`. |
|`Bloco#get` | `Function` | `route {String}` | `any` | Get property or config content from config by `dataPath` argument formatted as: `xxx.yyy.zzz` (open file `xxx.json`, then return from file value from `xxx[yyy][zzz]` section). If file not loaded yet, trying to load file. |
|`Bloco#set` | `Function` | `route {String}`, `value {any}` | `any` | Returns config file data or property. |
|`Bloco#unset` | `Function` | `route {String}` | `boolean` | Returns `true` if the property is deleted, else `false`. |
|`Blocco#hasSync` | `Function` | `route {String}` | `boolean` | Same as `Blocco#has`, except synchronous execution. |
|`Blocco#getSync` | `Function` | `route {String}` | `any` | Same as `Blocco#get`, except synchronous execution. |
|`Blocco#setSync` | `Function` | `route {String}`, `value {any}` | `any` | Same as `Blocco#set`, except synchronous execution. |
|`Blocco#unsetSync` | `Function` | `route {String}` | `boolean` | Same as `Blocco#unset`, except synchronous execution. |
|`Blocco#changeEnv` | `Function` | `name {String}` | `boolean` | Change environment. |
## Properties
| Name | Type | Description |
|---|---|---|
|`Bloco::loaders` | `Object` | The object from which parsers are used for files such as `js`, `ts`, `json`, `yaml` etc. By default, used `js` and `json`. |
