Use const enums in typescript schemas

internal/__snapshots__/exportTypeScriptSchemas.test.ts.snap

@@ -890,7 +890,7 @@ export type Vector3 = {
   "LineType" => "// Generated by https://github.com/foxglove/schemas
 
 /** An enumeration indicating how input points should be interpreted to create lines */
-export enum LineType {
+export const enum LineType {
   /** Connected line segments: 0-1, 1-2, ..., (n-1)-n */
   LINE_STRIP = 0,
 
@@ -904,7 +904,7 @@ export enum LineType {
   "LogLevel" => "// Generated by https://github.com/foxglove/schemas
 
 /** Log level */
-export enum LogLevel {
+export const enum LogLevel {
   UNKNOWN = 0,
 
   DEBUG = 1,
@@ -921,7 +921,7 @@ export enum LogLevel {
   "SceneEntityDeletionType" => "// Generated by https://github.com/foxglove/schemas
 
 /** An enumeration indicating which entities should match a SceneEntityDeletion command */
-export enum SceneEntityDeletionType {
+export const enum SceneEntityDeletionType {
   /** Delete the existing entity on the same topic that has the provided \`id\` */
   MATCHING_ID = 0,
 
@@ -932,7 +932,7 @@ export enum SceneEntityDeletionType {
   "NumericType" => "// Generated by https://github.com/foxglove/schemas
 
 /** Numeric type */
-export enum NumericType {
+export const enum NumericType {
   UNKNOWN = 0,
 
   UINT8 = 1,
@@ -955,7 +955,7 @@ export enum NumericType {
   "PointsAnnotationType" => "// Generated by https://github.com/foxglove/schemas
 
 /** Type of points annotation */
-export enum PointsAnnotationType {
+export const enum PointsAnnotationType {
   UNKNOWN = 0,
 
   /** Individual points: 0, 1, 2, ... */
@@ -974,7 +974,7 @@ export enum PointsAnnotationType {
   "PositionCovarianceType" => "// Generated by https://github.com/foxglove/schemas
 
 /** Type of position covariance */
-export enum PositionCovarianceType {
+export const enum PositionCovarianceType {
   UNKNOWN = 0,
 
   APPROXIMATED = 1,

internal/generateTypeScript.test.ts

@@ -7,7 +7,7 @@ describe("generateTypeScript", () => {
       "// Generated by https://github.com/foxglove/schemas
 
       /** An example enum */
-      export enum ExampleEnum {
+      export const enum ExampleEnum {
         /** Value A */
         A = 1,
 

internal/generateTypeScript.ts

@@ -39,9 +39,9 @@ export function generateTypeScript(schema: FoxgloveSchema): string {
           return `${name} = ${value},`;
         }
       });
-      definition = `/** ${schema.description} */\nexport enum ${schema.name} {\n  ${fields.join(
-        "\n\n  ",
-      )}\n}`;
+      definition = `/** ${schema.description} */\nexport const enum ${
+        schema.name
+      } {\n  ${fields.join("\n\n  ")}\n}`;
       break;
     }