# Interface: FormatterConfig ## Extended by - [`UserConfig`](UserConfig.md) ## Properties ### semicolons > **semicolons**: `boolean` Configures Prettier [code formatter](https://livecodes.io/docs/features/code-format) to use semi-colons. #### Default ```ts true ``` #### Defined in models.ts:838 *** ### singleQuote > **singleQuote**: `boolean` Configures Prettier [code formatter](https://livecodes.io/docs/features/code-format) to use single quotes instead of double quotes. #### Default ```ts false ``` #### Defined in models.ts:843 *** ### tabSize > **tabSize**: `number` The number of spaces per indentation-level. #### Default ```ts 2 ``` #### Defined in models.ts:832 *** ### trailingComma > **trailingComma**: `boolean` Configures Prettier [code formatter](https://livecodes.io/docs/features/code-format) to use [trailing commas](https://prettier.io/docs/en/options.html#trailing-commas). #### Default ```ts true ``` #### Defined in models.ts:849 *** ### useTabs > **useTabs**: `boolean` If `true`, lines are indented with tabs instead of spaces. #### Default ```ts false ``` #### Defined in models.ts:826