BREAKING: Increase minimum Node.js version to 16; recommended to 18

.github/workflows/build-test.yml

@@ -14,7 +14,7 @@ jobs:
       YARN_VERSION: ${{ steps.yarn-version.outputs.YARN_VERSION }}
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x, 19.x]
+        node-version: [16.x, 18.x, 20.5]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -41,7 +41,7 @@ jobs:
       - prepare
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x, 19.x]
+        node-version: [16.x, 18.x, 20.5]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -69,7 +69,7 @@ jobs:
       - prepare
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x, 19.x]
+        node-version: [16.x, 18.x, 20.5]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -103,7 +103,7 @@ jobs:
       - prepare
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x, 19.x]
+        node-version: [16.x, 18.x, 20.5]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}

.nvmrc

@@ -1 +1 @@
-v14
+v18

README.md

@@ -20,7 +20,7 @@ The full API documentation for the latest published version of this library is [
 
 ### Setup
 
-- Install [Node.js](https://nodejs.org) version 14
+- Install [Node.js](https://nodejs.org) version 18
   - If you are using [nvm](https://github.com/creationix/nvm#installation) (recommended) running `nvm use` will automatically choose the right node version for you.
 - Install [Yarn v3](https://yarnpkg.com/getting-started/install)
 - Run `yarn install` to install dependencies and run any required post-install scripts

package.json

@@ -62,7 +62,7 @@
     "@metamask/eslint-config-typescript": "^11.1.0",
     "@types/bn.js": "^4.11.6",
     "@types/jest": "^27.0.6",
-    "@types/node": "^14.14.25",
+    "@types/node": "^16.18.50",
     "@typescript-eslint/eslint-plugin": "^5.59.1",
     "@typescript-eslint/parser": "^5.59.1",
     "ajv": "^8.11.0",
@@ -83,7 +83,7 @@
   },
   "packageManager": "yarn@3.2.2",
   "engines": {
-    "node": ">=14.0.0"
+    "node": "^16.20 || ^18.16 || >=20"
   },
   "publishConfig": {
     "access": "public",