fix: correct additionalData typo (#204)

Author: mrmckeb

README.md

@@ -99,7 +99,7 @@ Please note that no options are required. However, depending on your configurati
 
 | Option                     | Default value                      | Description                                                                    |
 | -------------------------- | ---------------------------------- | ------------------------------------------------------------------------------ |
-| `additonalData`            | `undefined`                        | An optional string to append to the top of source files.                       |
+| `additionalData`           | `undefined`                        | An optional string to append to the top of source files.                       |
 | `allowUnknownClassnames`   | `false`                            | Disables TypeScript warnings on unknown classnames (for default imports only). |
 | `classnameTransform`       | `"asIs"`                           | See [`classnameTransform`](#classnameTransform) below.                         |
 | `customMatcher`            | `"\\.module\\.(c\|le\|sa\|sc)ss$"` | Changes the file extensions that this plugin processes.                        |

src/helpers/__tests__/getDtsSnapshot.test.ts

@@ -331,11 +331,11 @@ describe('helpers / cssSnapshots', () => {
     });
   });
 
-  describe('with additonalData enabled', () => {
+  describe('with additionalData enabled', () => {
     const fileName = join(__dirname, 'fixtures', 'test.module.scss');
     const css = readFileSync(fileName, 'utf8');
     const options: Options = {
-      additonalData: '.my-data {\n  color: red;\n}\n\n',
+      additionalData: '.my-data {\n  color: red;\n}\n\n',
     };
 
     const cssExports = getCssExports({

src/helpers/getCssExports.ts

@@ -52,7 +52,7 @@ export const getCssExports = ({
   compilerOptions: tsModule.CompilerOptions;
   directory: string;
 }): CSSExportsWithSourceMap => {
-  const rawCss = options.additonalData ? options.additonalData + css : css;
+  const rawCss = options.additionalData ? options.additionalData + css : css;
 
   const fileType = getFileType(fileName);
   const rendererOptions = options.rendererOptions ?? {};

src/options.ts

@@ -20,7 +20,7 @@ export interface RendererOptions {
 }
 
 export interface Options {
-  additonalData?: string;
+  additionalData?: string;
   allowUnknownClassnames?: boolean;
   classnameTransform?: ClassnameTransformOptions;
   customMatcher?: string;