we have persistence. persisting all store values' ASTs to localStorage

src/ast.ts

@@ -5,25 +5,25 @@ import type { Value } from './types';
 export type Literal = {
     kind: 'literal'
     value: Value
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type Variable = {
     kind: 'variable'
     name: string
-    line: number
+    line?: number
     column: number
-    start: number
+    start?: number
 }
 
 export type Constructor = {
     kind: 'constructor'
     name: string
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 // Functions
@@ -32,18 +32,18 @@ export type Lambda = {
     kind: 'lambda'
     params: string[]
     body: AST
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type Apply = {
     kind: 'apply'
     func: AST
     args: AST[]
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 // Bindings
@@ -53,9 +53,9 @@ export type Let = {
     name: string
     value: AST
     body: AST
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 // Matching
@@ -64,17 +64,17 @@ export type Match = {
     kind: 'match'
     expr: AST
     cases: MatchCase[]
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type MatchCase = {
     pattern: Pattern
     result: AST
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type Pattern =
@@ -91,43 +91,43 @@ export type Pattern =
 export type ListSpread = {
     kind: 'list-spread'
     spread: AST;
-    line: number;
-    column: number;
-    start: number;
+    line?: number;
+    column?: number;
+    start?: number;
 }
 
 export type List = {
     kind: 'list'
     elements: (AST | ListSpread)[]
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type Record = {
     kind: 'record'
     fields: { [key: string]: AST }
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type RecordAccess = {
     kind: 'record-access'
     record: AST
     field: string
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type RecordUpdate = {
     kind: 'record-update'
     record: AST
     updates: { [key: string]: AST }
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 // Top-level constructs
@@ -136,36 +136,36 @@ export type Definition = {
     kind: 'definition'
     name: string
     body: AST
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type TypeDef = {
     kind: 'typedef'
     name: string
     variants: Array<{ name: string, args: string[] }>
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type Import = {
     kind: 'import'
     module: string
     items: string[] | 'all'
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type Rebind = {
     kind: 'rebind'
     target: AST
     value: AST
-    line: number
-    column: number
-    start: number
+    line?: number
+    column?: number
+    start?: number
 }
 
 export type AST =