chore!: Drop node 14 support (grain-lang#1092)

chore(cli): Remove `--experimental-wasm-bigint` flag

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        node-version: ["14", "16"]
+        node-version: ["16"]
 
     steps:
       - name: Setup Node.js

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v2.1.2
         with:
-          node-version: "14"
+          node-version: "16"
           check-latest: true
 
       - name: Setup environment
@@ -197,7 +197,7 @@ jobs:
       - name: Setup NodeJS
         uses: actions/setup-node@v2.1.2
         with:
-          node-version: "14"
+          node-version: "16"
           registry-url: "https://registry.npmjs.org"
 
       - name: Publish to npm
@@ -215,7 +215,7 @@ jobs:
       - name: Setup NodeJS
         uses: actions/setup-node@v2.1.2
         with:
-          node-version: "14"
+          node-version: "16"
           registry-url: "https://registry.npmjs.org"
 
       - name: Publish to npm

cli/bin/grain.js

@@ -8,14 +8,8 @@ const v8 = require("v8");
  *   This method should be used with care. Changing settings after the VM has started may result
  *   in unpredictable behavior, including crashes and data loss; or it may simply do nothing.
  *
- * This seems to work for our needs with Node 14, but we should be cautious when updating.
+ * This seems to work for our needs with Node 16, but we should be cautious when updating.
  */
-if (
-  process.versions.node.startsWith("14.") ||
-  process.versions.node.startsWith("15.")
-) {
-  v8.setFlagsFromString("--experimental-wasm-bigint");
-}
 v8.setFlagsFromString("--experimental-wasm-return-call");
 
 const program = require("commander");

cli/package.json

@@ -4,7 +4,7 @@
   "description": "A command line tool for the Grain language.",
   "main": "index.js",
   "engines": {
-    "node": ">=14"
+    "node": ">=16"
   },
   "scripts": {
     "clean": "del-cli 'bin/*.exe' 'bin/*.bc.js'",

compiler/package.json

@@ -6,7 +6,7 @@
     "grainc": "_esy/default/build/install/default/bin/grainc"
   },
   "engines": {
-    "node": ">=14"
+    "node": ">=16"
   },
   "devDependencies": {
     "esy": "0.6.12"

package.json

@@ -10,7 +10,7 @@
     "compiler"
   ],
   "engines": {
-    "node": ">=14"
+    "node": ">=16"
   },
   "scripts": {
     "prepare": "yarn js-runner build && yarn cli link",

stdlib/package.json

@@ -18,7 +18,7 @@
     "directory": "stdlib"
   },
   "engines": {
-    "node": ">=14"
+    "node": ">=16"
   },
   "main": "index.js",
   "files": [