don't pin serialized data while saving to settings

tballmsft · tballmsft · commit 27ab521690e7 · 2023-10-11T15:03:31.000-07:00
diff --git a/app.ts b/app.ts
@@ -39,19 +39,21 @@ namespace microcode {
         }
 
         public save(slot: string, progdef: ProgramDefn) {
-            const saved: SavedState = {
+            let saved: SavedState = {
                 progdef: progdef.toObj(),
                 version: microcode.VERSION,
             }
-            const s = JSON.stringify(saved)
+            let s = JSON.stringify(saved)
+            saved = undefined
             this.saveSource(slot, s)
         }
 
         public load(slot: string): ProgramDefn {
             try {
-                const s = settings.readString(slot)
+                let s = settings.readString(slot)
                 if (s) {
                     const saved: SavedState = JSON.parse(s)
+                    s = undefined
                     if (saved) return ProgramDefn.FromObj(saved.progdef)
                 }
             } catch (e) {

Original file line number	Diff line number	Diff line change
`@@ -39,19 +39,21 @@ namespace microcode {`
`39`	`39`	`}`
`40`	`40`
`41`	`41`	`public save(slot: string, progdef: ProgramDefn) {`
`42`		`- const saved: SavedState = {`
	`42`	`+ let saved: SavedState = {`
`43`	`43`	`progdef: progdef.toObj(),`
`44`	`44`	`version: microcode.VERSION,`
`45`	`45`	`}`
`46`		`- const s = JSON.stringify(saved)`
	`46`	`+ let s = JSON.stringify(saved)`
	`47`	`+ saved = undefined`
`47`	`48`	`this.saveSource(slot, s)`
`48`	`49`	`}`
`49`	`50`
`50`	`51`	`public load(slot: string): ProgramDefn {`
`51`	`52`	`try {`
`52`		`- const s = settings.readString(slot)`
	`53`	`+ let s = settings.readString(slot)`
`53`	`54`	`if (s) {`
`54`	`55`	`const saved: SavedState = JSON.parse(s)`
	`56`	`+ s = undefined`
`55`	`57`	`if (saved) return ProgramDefn.FromObj(saved.progdef)`
`56`	`58`	`}`
`57`	`59`	`} catch (e) {`