export some types in the NPM

Author: nicolodavis

package.json

@@ -41,6 +41,7 @@
     "dist/server.js",
     "dist/esm",
     "dist/cjs",
+    "dist/types",
     "client",
     "core",
     "debug",

rollup.config.js

@@ -27,7 +27,15 @@ const external = [
 const plugins = [
   babel({ exclude: '**/node_modules/**' }),
   resolve({ browser: true, only: [/svelte/] }),
-  tsPlugin({ typescript: ttypescript }),
+  tsPlugin({
+    typescript: ttypescript,
+    tsconfigOverride: {
+      compilerOptions: {
+        declaration: true,
+      },
+    },
+    useTsconfigDeclarationDir: true,
+  }),
   svelte({ extensions: ['.svelte'] }),
 ];
 

src/core/game.ts

@@ -11,6 +11,18 @@ import { Flow } from './flow';
 import { ActionPayload, GameConfig, Move, LongFormMove, State } from '../types';
 import * as logging from './logger';
 
+type ProcessedGameConfig = GameConfig & {
+  flow: object;
+  moveNames: string[];
+  processMove: Function;
+};
+
+function IsProcessed(
+  game: GameConfig | ProcessedGameConfig
+): game is ProcessedGameConfig {
+  return game.processMove !== undefined;
+}
+
 /**
  * Game
  *
@@ -27,10 +39,12 @@ import * as logging from './logger';
  * action.args contain any additional arguments as an
  * Array.
  */
-export function Game(game: GameConfig) {
+export function Game(
+  game: GameConfig | ProcessedGameConfig
+): ProcessedGameConfig {
   // The Game() function has already been called on this
   // config object, so just pass it through.
-  if (game.processMove) {
+  if (IsProcessed(game)) {
     return game;
   }
 
@@ -60,7 +74,7 @@ export function Game(game: GameConfig) {
 
     flow,
 
-    moveNames: flow.moveNames,
+    moveNames: flow.moveNames as string[],
 
     processMove: (state: State, action: ActionPayload.MakeMove) => {
       let moveFn = flow.getMove(state.ctx, action.type, action.playerID);

tsconfig.json

@@ -4,7 +4,7 @@
     "module": "esnext",
     "moduleResolution": "node",
     "declaration": false,
-    "outDir": "built-ts",
+    "declarationDir": "./dist/types",
     "strict": false,
     "allowSyntheticDefaultImports": true,
     "esModuleInterop": true,