feat!: drop node 8 support

Author: gundelsby

.circleci/config.yml

@@ -1,22 +1,5 @@
 version: 2
 jobs:
-  test-node-8:
-    docker:
-      - image: circleci/node:8
-    working_directory: ~/project
-    steps:
-      - checkout
-      - restore_cache:
-          keys:
-            - yarn-cache-8-{{ .Branch }}-{{ checksum "yarn.lock" }}
-            - yarn-cache-8-{{ .Branch }}
-            - yarn-cache-8-
-      - run: yarn install
-      - save_cache:
-          key: yarn-cache-8-{{ .Branch }}-{{ checksum "yarn.lock" }}
-          paths: [node_modules]
-      - run: yarn test
-
   test-node-10:
     docker:
       - image: circleci/node:10
@@ -34,7 +17,7 @@ jobs:
           paths: [node_modules]
       - run: yarn test
 
-  test-latest(node-12):
+  test-node-12:
     docker:
       - image: circleci/node:12
     working_directory: ~/project
@@ -70,6 +53,23 @@ jobs:
       - store_test_results:
           path: ./coverage/clover.xml
 
+  test-node-latest:
+    docker:
+      - image: circleci/node
+    working_directory: ~/project
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - yarn-cache-latest-{{ .Branch }}-{{ checksum "yarn.lock" }}
+            - yarn-cache-latest-{{ .Branch }}
+            - yarn-cache-latest-
+      - run: yarn install
+      - save_cache:
+          key: yarn-cache-latest-{{ .Branch }}-{{ checksum "yarn.lock" }}
+          paths: [node_modules]
+      - run: yarn test
+        
   validate-dependencies:
     docker:
       - image: circleci/node:12
@@ -204,9 +204,9 @@ workflows:
   version: 2
   build-test-publish:
     jobs:
-      - test-latest(node-12)
       - test-node-10
-      - test-node-8
+      - test-node-12
+      - test-node-latest
       - validate-all-dependencies:
           filters:
             branches:
@@ -222,18 +222,16 @@ workflows:
       - release:
           requires:
             - validate-dependencies
-            - test-latest(node-12)
+            - test-node-12
             - test-node-10
-            - test-node-8
           filters:
             branches:
               only:
                 - master
       - prerelease:
           requires:
-            - test-latest(node-12)
+            - test-node-12
             - test-node-10
-            - test-node-8
           filters:
             tags:
               ignore: /.*/

config/tsconfig.base.json

@@ -2,7 +2,7 @@
   "extends": "./tsconfig.strict",
   "compilerOptions": {
     "module": "commonjs",
-    "target": "es6",
+    "target": "es2018",
     "noImplicitAny": true,
     "moduleResolution": "node",
     "sourceMap": true,
@@ -23,7 +23,7 @@
     "traceResolution": false,
     "pretty": true,
     "lib": [
-      "es6"
+      "ES2018"
     ],
     "types": [
       "node",

package.json

@@ -76,7 +76,7 @@
     "license-validate": "Validate licenses for dependencies."
   },
   "engines": {
-    "node": ">=4.5"
+    "node": ">=10.10"
   },
   "files": [
     "/dist",
@@ -98,7 +98,7 @@
     "npm-scripts-info": "0.3.9",
     "open-cli": "^5.0.0",
     "sleep-ms": "^2.0.1",
-    "standard-version": "^7.0.0",
+    "standard-version": "^7.1",
     "trash-cli": "^3.0.0",
     "ts-jest": "^24.0.0",
     "tslint": "^5.18.0",
@@ -114,7 +114,7 @@
   ],
   "dependencies": {
     "atem-connection": "1.1.0",
-    "tslib": "^1.9.2"
+    "tslib": "^1.13"
   },
   "standard-version": {
     "message": "chore(release): %s [skip ci]",