fix: enable to use even if initialstate is unloaded at store

package.json

@@ -71,6 +71,7 @@
     "opn-cli": "^3.1.0",
     "prettier": "^1.14.3",
     "redux": "^4.0.1",
+    "redux-actions": "^2.6.4",
     "standard-version": "^4.4.0",
     "trash-cli": "^1.4.0",
     "tslint": "^5.11.0",

src/lib/index.spec.ts

@@ -1,5 +1,6 @@
 import test from "ava";
 import { combineReducers, createStore } from "redux";
+import { handleActions } from "redux-actions";
 import { isNumber } from "util";
 import { watchRootReducer, withValidateReducer } from "./index";
 
@@ -26,6 +27,13 @@ const postalReducer = (
   return state;
 };
 
+const initialStateUndefinedReducer = handleActions(
+  {
+    SET_NUMBER: () => 123
+  },
+  0
+);
+
 const _validateReducer = withValidateReducer(postalReducer, [
   {
     error: {
@@ -40,6 +48,26 @@ const identityReducer = (state: string = "hoge", action: { value: string }) => {
   return action && action.value ? action.value : state;
 };
 
+test("initial state not filter if the condition is invalid", async t => {
+  const rootReducer = watchRootReducer(
+    combineReducers({
+      postalCode: withValidateReducer(initialStateUndefinedReducer, [
+        {
+          error: {
+            id: "postalCode",
+            message: "Invalid PostalCode"
+          },
+          validate: _state => Number(_state) > 100
+        }
+      ])
+    })
+  );
+  const store = createStore(rootReducer);
+  const state = store.getState();
+  t.truthy(Object.keys(state.errors).length === 0);
+  t.truthy(state.postalCode === 0);
+});
+
 test("whether combineReducers can validate for object", async t => {
   const _validateNestReducer = withValidateReducer(postalReducer, [
     {

src/lib/index.ts

@@ -55,7 +55,7 @@ class ValidationWatcher {
       const next = reducer(prev, action);
       if (
         validators.some(validator => {
-          const invalid = !validator.validate(next);
+          const invalid = !validator.validate(next) && prev !== undefined;
           if (invalid) {
             this.withError(validator.error);
           }

yarn.lock

@@ -2395,7 +2395,7 @@ interpret@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
 
-invariant@^2.2.2:
+invariant@^2.2.2, invariant@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
   dependencies:
@@ -2810,6 +2810,10 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
+just-curry-it@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/just-curry-it/-/just-curry-it-3.1.0.tgz#ab59daed308a58b847ada166edd0a2d40766fbc5"
+
 kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -3916,6 +3920,20 @@ redent@^2.0.0:
     indent-string "^3.0.0"
     strip-indent "^2.0.0"
 
+reduce-reducers@^0.4.3:
+  version "0.4.3"
+  resolved "https://registry.yarnpkg.com/reduce-reducers/-/reduce-reducers-0.4.3.tgz#8e052618801cd8fc2714b4915adaa8937eb6d66c"
+
+redux-actions@^2.6.4:
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/redux-actions/-/redux-actions-2.6.4.tgz#e1d9d7d987d274071b0134b707365d3e25ba3b26"
+  dependencies:
+    invariant "^2.2.4"
+    just-curry-it "^3.1.0"
+    loose-envify "^1.4.0"
+    reduce-reducers "^0.4.3"
+    to-camel-case "^1.0.0"
+
 redux@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/redux/-/redux-4.0.1.tgz#436cae6cc40fbe4727689d7c8fae44808f1bfef5"
@@ -4550,6 +4568,12 @@ timed-out@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
 
+to-camel-case@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/to-camel-case/-/to-camel-case-1.0.0.tgz#1a56054b2f9d696298ce66a60897322b6f423e46"
+  dependencies:
+    to-space-case "^1.0.0"
+
 to-fast-properties@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
@@ -4558,6 +4582,10 @@ to-fast-properties@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
 
+to-no-case@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/to-no-case/-/to-no-case-1.0.2.tgz#c722907164ef6b178132c8e69930212d1b4aa16a"
+
 to-object-path@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/to-object-path/-/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"
@@ -4580,6 +4608,12 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
+to-space-case@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/to-space-case/-/to-space-case-1.0.0.tgz#b052daafb1b2b29dc770cea0163e5ec0ebc9fc17"
+  dependencies:
+    to-no-case "^1.0.0"
+
 tough-cookie@~2.4.3:
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.4.3.tgz#53f36da3f47783b0925afa06ff9f3b165280f781"