move store in local storage

lib/renderer.ts

@@ -1,7 +1,6 @@
 import { promisify } from 'util'
 import { promises } from 'fs'
 import { exec } from 'child_process'
-import { v1 as uuidv1 } from 'uuid'
 import { getDirPath, getDocPath, getTexCmd } from './utils'
 
 const execPromise = promisify(exec)
@@ -10,7 +9,12 @@ async function copyToTemp(id: string, texDocument: string): Promise<void> {
   const dirPath = getDirPath(id)
   const docPath = getDocPath(id)
 
-  await promises.mkdir(dirPath)
+  try {
+    await promises.access(dirPath)
+  } catch (_) {
+    // well, seems it does not exists, let's create it
+    await promises.mkdir(dirPath)
+  }
   await promises.writeFile(docPath, texDocument)
 }
 
@@ -27,8 +31,7 @@ async function generateDoc(id: string): Promise<void> {
   }
 }
 
-export default async function (texDocument: string) {
-  const id = uuidv1()
+export default async function (id: string, texDocument: string) {
   await copyToTemp(id, texDocument)
   await generateDoc(id)
   return id