Preventing error when currentNode is undefined on next

.changeset/README.md

@@ -0,0 +1,8 @@
+# Changesets
+
+Hello and welcome! This folder has been automatically generated by `@changesets/cli`, a build tool that works
+with multi-package repos, or single-package repos to help you version and publish your code. You can
+find the full documentation for it [in our repository](https://github.com/changesets/changesets)
+
+We have a quick list of common questions to get you started engaging with this project in
+[our documentation](https://github.com/changesets/changesets/blob/master/docs/common-questions.md)

.changeset/config.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "https://unpkg.com/@changesets/config@1.3.0/schema.json",
+  "changelog": "@changesets/cli/changelog",
+  "commit": false,
+  "linked": [],
+  "access": "restricted",
+  "baseBranch": "master",
+  "updateInternalDependencies": "patch",
+  "ignore": []
+}

.changeset/happy-teachers-approve.md

@@ -0,0 +1,5 @@
+---
+"@ianwalter/decision-tree": patch
+---
+
+Preventing error when currentNode is undefined on next

.github/workflows/changeset.yml

@@ -0,0 +1,17 @@
+name: Changeset
+on:
+  pull_request:
+    types: [labeled]
+jobs:
+  changeset:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Changeset
+        uses: ianwalter/add-changeset@v1.0.8
+        env:
+          DEBUG: true

.github/workflows/ci.yml

@@ -8,13 +8,14 @@ jobs:
   build:
     runs-on: ubuntu-latest
     container:
-      image: node:12.10-slim
+      image: ianwalter/pnpm:v1.1.0
+    timeout-minutes: 3
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v2
       - name: Install
-        run: yarn
+        run: pnpm i
       - name: Lint
-        run: yarn lint
+        run: pnpm lint
       - name: Test
-        run: yarn test
+        run: pnpm t

.github/workflows/release.yml

@@ -0,0 +1,27 @@
+name: Release
+on:
+  push:
+    branches:
+      - master
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    container:
+      image: ianwalter/pnpm:v1.1.0
+    timeout-minutes: 10
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          # This makes Actions fetch all Git history so that Changesets can
+          # generate changelogs with the correct commits.
+          fetch-depth: 0
+      - name: Install
+        run: pnpm i --dev
+      - name: Changesets
+        uses: changesets/action@bfeb9e077e6cf393e4c4ef17e2bbc75b308b4364
+        with:
+          publish: pnpx changeset publish
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.npmrc

@@ -0,0 +1 @@
+shamefully-hoist = true

LICENSE

@@ -1,28 +1,28 @@
-Copyright 2019 Ian Walter
+Copyright Ian Walter <pub@ianwalter.dev> (https://ianwalter.dev)
 
-Permission is hereby granted, free of charge, to any person obtaining a copy of 
-this software and associated documentation files (the "Software"), to deal in 
-the Software without restriction, including without limitation the rights to 
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of 
-the Software, and to permit persons to whom the Software is furnished to do so, 
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
 subject to the following conditions:
 
-* The above copyright notice and this permission notice shall be included in all 
+* The above copyright notice and this permission notice shall be included in all
   copies or substantial portions of the Software.
 
-* The software may not be used by individuals, corporations, governments, or 
-  other groups for systems or activities that actively and knowingly endanger, 
-  harm, or otherwise threaten the physical, mental, economic, or general 
+* The software may not be used by individuals, corporations, governments, or
+  other groups for systems or activities that actively and knowingly endanger,
+  harm, or otherwise threaten the physical, mental, economic, or general
   well-being of individuals or groups in violation of the United Nations
-  Universal Declaration of Human Rights 
+  Universal Declaration of Human Rights
   (https://www.un.org/en/universal-declaration-human-rights/).
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-This license is derived from the MIT License, as amended to limit the impact of 
+This license is derived from the MIT License, as amended to limit the impact of
 the unethical use of open source software.

README.md

@@ -11,7 +11,7 @@
 ## Installation
 
 ```console
-yarn add @ianwalter/decision-tree
+pnpm add @ianwalter/decision-tree
 ```
 
 ## Usage

index.js

@@ -45,7 +45,7 @@ class DecisionTree {
 
   getNodeFromLeadsTo (currentNode, { leadsTo }) {
     const key = typeof leadsTo === 'function' ? leadsTo(this) : leadsTo
-    return findItemByKey(currentNode.children, key)
+    return findItemByKey(currentNode && currentNode.children, key)
   }
 
   next () {

package.json

@@ -37,10 +37,10 @@
     "@ianwalter/base-error": "^6.1.0"
   },
   "devDependencies": {
+    "@changesets/cli": "^2.9.2",
     "@ianwalter/bff": "^9.9.1",
     "@ianwalter/dist": "^6.0.0",
     "@ianwalter/eslint-config": "^5.3.0",
-    "@ianwalter/release": "^5.0.2",
     "@ianwalter/renovate-config": "^1.3.0"
   },
   "browserslist": "> 2%, not dead",