Add storage for openscad code

web/src/components/IdeEditor/IdeEditor.js

@@ -1,6 +1,7 @@
 import { useContext, useEffect, Suspense, lazy } from 'react'
 import { isBrowser } from '@redwoodjs/prerender/browserUtils'
 import { IdeContext } from 'src/components/IdeToolbarNew'
+import { codeStorageKey } from 'src/helpers/hooks/useIdeState'
 const Editor = lazy(() => import('@monaco-editor/react'))
 
 const IdeEditor = () => {
@@ -34,6 +35,7 @@ const IdeEditor = () => {
     if (key === 's' && (ctrlKey || metaKey)) {
       event.preventDefault()
       dispatch({ type: 'render', payload: { code: state.code } })
+      localStorage.setItem(codeStorageKey, state.code)
     }
   }
 

web/src/components/IdeToolbarNew/IdeToolbarNew.js

@@ -1,7 +1,7 @@
 import { createContext } from 'react'
 import IdeContainer from 'src/components/IdeContainer'
 import { isBrowser } from '@redwoodjs/prerender/browserUtils'
-import { useIdeState } from 'src/helpers/hooks/useIdeState'
+import { useIdeState, codeStorageKey } from 'src/helpers/hooks/useIdeState'
 import { copyTextToClipboard } from 'src/helpers/clipboard'
 
 export const IdeContext = createContext()
@@ -12,6 +12,7 @@ const IdeToolbarNew = () => {
   }
   function handleRender() {
     dispatch({ type: 'render', payload: { code: state.code } })
+    localStorage.setItem(codeStorageKey, state.code)
   }
   function handleMakeLink() {
     if (isBrowser) {

web/src/helpers/hooks/useIdeState.js

@@ -16,11 +16,14 @@ module stick(basewid, angl){
     }
 }`
 
+export const codeStorageKey = 'Last-openscad-code'
+
 export const useIdeState = () => {
+  const code = localStorage.getItem(codeStorageKey) || donutInitCode
   const initialState = {
     ideType: 'openScad',
     consoleMessages: [{ type: 'message', message: 'Initialising OpenSCAD' }],
-    code: donutInitCode,
+    code,
     objectData: {
       type: 'stl',
       data: 'some binary',