Copy injector code from rbp and expose api

.gitignore

@@ -59,3 +59,6 @@ typings/
 
 # next.js build output
 .next
+
+# Transpiled code
+dist

babel.config.js

@@ -0,0 +1,27 @@
+module.exports = {
+  presets: [
+    [
+      '@babel/preset-env',
+      {
+        modules: false,
+      },
+    ],
+    '@babel/preset-react',
+  ],
+  plugins: [
+    '@babel/plugin-proposal-class-properties',
+  ],
+  env: {
+    production: {
+      plugins: [
+        '@babel/plugin-transform-react-inline-elements',
+        '@babel/plugin-transform-react-constant-elements',
+      ],
+    },
+    test: {
+      plugins: [
+        '@babel/plugin-transform-modules-commonjs',
+      ],
+    },
+  },
+};

index.d.ts

@@ -0,0 +1,20 @@
+import { ComponentType } from "react";
+import { Reducer, StoreEnhancer } from "redux";
+import { Saga, Task } from "redux-saga";
+
+export function forceReducerReload(store: {});
+export function createInjectorsEnhancer(options: { 
+  runSaga: <S extends Saga<any[]>>(saga: S, ...args: Parameters<S>) => Task,
+  createReducer: (injectedReducers: { [key: string]: Reducer }) => Reducer
+}): StoreEnhancer;
+
+export enum SagaInjectionModes {
+  RESTART_ON_REMOUNT = "@@saga-injector/restart-on-remount",
+  DAEMON = "@@saga-injector/daemon",
+  ONCE_TILL_UNMOUNT = "@@saga-injector/once-till-unmount"
+}
+
+export function injectSaga(options: { key: string, saga: Saga, mode?: SagaInjectionModes }): <T extends ComponentType>(Component: T) => T;
+export function injectReducer(options: { key: string, reducer: Reducer }): <T extends ComponentType>(Component: T) => T;
+export function useInjectSaga(options: { key: string, saga: Saga, mode?: SagaInjectionModes }): void;
+export function useInjectReducer(options: { key: string, reducer: Reducer }): void;

jest.config.js

@@ -0,0 +1,15 @@
+// For a detailed explanation regarding each configuration property, visit:
+// https://jestjs.io/docs/en/configuration.html
+
+module.exports = {
+  coverageDirectory: "coverage",
+  coverageThreshold: {
+    global: {
+      statements: 100,
+      branches: 100,
+      functions: 100,
+      lines: 100,
+    },
+  },
+  setupFiles: ["core-js/stable", "regenerator-runtime/runtime"],
+};