Update file language on renaming.

state/actions/createNewFile.ts

@@ -1,17 +1,18 @@
+import { getFileExtention } from '../../utils/helpers';
 import state, { IFile } from '../index';
 
-const languageMapping = {
+const languageMapping: Record<string, string | undefined> = {
   'ts': 'typescript',
   'js': 'javascript',
   'md': 'markdown',
   'c': 'c',
   'h': 'c',
-  'other': ''
-} /* Initializes empty file to global state */
+}
+
 export const createNewFile = (name: string) => {
-  const tempName = name.split('.');
-  const fileExt = tempName[tempName.length - 1] || 'other';
-  const emptyFile: IFile = { name, language: languageMapping[fileExt as 'ts' | 'js' | 'md' | 'c' | 'h' | 'other'], content: "" };
+  const ext = getFileExtention(name) || ''
+
+  const emptyFile: IFile = { name, language: languageMapping[ext] || '', content: '' };
   state.files.push(emptyFile);
   state.active = state.files.length - 1;
 };
@@ -20,5 +21,8 @@ export const renameFile = (oldName: string, nwName: string) => {
   const file = state.files.find(file => file.name === oldName)
   if (!file) throw Error(`No file exists with name ${oldName}`)
 
+  const ext = getFileExtention(nwName) || ''
+  const language = languageMapping[ext] || ''
   file.name = nwName
+  file.language = language
 };