Fix proto enum value collisions (#58)

Author: pkedy

apex.yaml

@@ -4,7 +4,7 @@ tasks:
     cmds:
       - deno fmt --check src/ test/
       - deno lint src/
-      - deno check ./**/*.ts
+      - deno check ./src/**/*.ts
       - deno test -A --unstable-worker-options --permit-no-files
   install:
     description: Install templates

src/proto/proto_visitor.ts

@@ -143,7 +143,11 @@ package ${ns.name};\n\n`);
     this.write(`enum ${pascalCase(e.name)} {\n`);
     e.values.forEach((ev) => {
       this.write(formatComment("  // ", ev.description));
-      this.write(`  ${snakeCase(ev.name).toUpperCase()} = ${ev.index};\n`);
+      this.write(
+        `  ${snakeCase(e.name).toUpperCase()}_${
+          snakeCase(ev.name).toUpperCase()
+        } = ${ev.index};\n`,
+      );
     });
     this.write(`}\n\n`);
     if (!this.valueTypes.has(e.name)) {