Drop Node.js v18 (EoL) support

.nvmrc

@@ -1 +1 @@
-18
+20

CHANGELOG.md

@@ -26,6 +26,7 @@
 
 - Replace ~date with ~day in Date.make\*. https://github.com/rescript-lang/rescript/pull/7324
 - Remove `-bs-jsx-mode`. https://github.com/rescript-lang/rescript/pull/7327
+- Drop Node.js version <20 support, as it is reaching End-of-Life. https://github.com/rescript-lang/rescript-compiler/pull/7354
 
 #### :house: Internal
 

CONTRIBUTING.md

@@ -14,7 +14,7 @@ Happy hacking!
 
 > Most of our contributors are working on Apple machines, so all our instructions are currently macOS / Linux centric. Contributions for Windows development welcome!
 
-- [NodeJS v18](https://nodejs.org/)
+- [Node.js](https://nodejs.org/) v20.x
 - C compiler toolchain (usually installed with `xcode` on Mac)
 - Python <= 3.11 (required to build ninja)
 - Rust toolchain (required to build rewatch; follow the instructions at https://www.rust-lang.org/tools/install)

package.json

@@ -33,7 +33,7 @@
     "Woonki Moon (https://github.com/mununki)"
   ],
   "engines": {
-    "node": ">=18"
+    "node": ">=20.11.0"
   },
   "bin": {
     "bsc": "cli/bsc",
@@ -78,5 +78,5 @@
     "mocha": "10.8.2",
     "nyc": "15.0.0"
   },
-  "packageManager": "[email protected].1+sha512.0e9d42e92bd2318408ed81eaff2da5f78baf23ee7d12a6eed44a6e2901d0f29d7ab715d1b918ade601f72e769a824d9a5c322383f22bbbda5dd396e79de2a077"
+  "packageManager": "[email protected].2+sha512.c7f0088c520a46596b85c6f8f1da943400199748a0f7ea8cb8df75469668dc26f6fb3ba26df87e2884a5ebe91557292d0f3db7d0929cdb4f14910c3032ac81fb"
 }

tests/docstring_tests/DocTest.res

@@ -21,11 +21,14 @@ let nodeVersion =
 
 let ignoreRuntimeTests = [
   (
-    // Ignore some tests not supported by node v18
-    18,
+    // Ignore some tests require Node.js v20+
+    20,
+    ["Stdlib.Array.toReversed", "Stdlib.Array.toSorted"],
+  ),
+  (
+    // Ignore some tests require Node.js v22+
+    22,
     [
-      "Stdlib.Array.toReversed",
-      "Stdlib.Array.toSorted",
       "Stdlib.Promise.withResolvers",
       "Stdlib.Set.union",
       "Stdlib.Set.isSupersetOf",
@@ -202,7 +205,7 @@ let main = async () => {
     let codeExamples = examples->Array.filterMap(example => {
       let ignoreExample =
         ignoreRuntimeTests->Array.some(
-          ((version, tests)) => nodeVersion === version && tests->Array.includes(example.id),
+          ((version, tests)) => nodeVersion < version && tests->Array.includes(example.id),
         )
 
       if ignoreExample {

tests/docstring_tests/DocTest.res.mjs

@@ -23,11 +23,17 @@ import * as RescriptTools_Docgen from "rescript/lib/es6/RescriptTools_Docgen.js"
 
 let nodeVersion = Stdlib_Option.getExn(Stdlib_Int.fromString(Stdlib_Option.getExn(process.version.replace("v", "").split(".")[0], "Failed to find major version of Node"), undefined), "Failed to convert node version to Int");
 
-let ignoreRuntimeTests = [[
-    18,
+let ignoreRuntimeTests = [
+  [
+    20,
     [
       "Stdlib.Array.toReversed",
-      "Stdlib.Array.toSorted",
+      "Stdlib.Array.toSorted"
+    ]
+  ],
+  [
+    22,
+    [
       "Stdlib.Promise.withResolvers",
       "Stdlib.Set.union",
       "Stdlib.Set.isSupersetOf",
@@ -37,7 +43,8 @@ let ignoreRuntimeTests = [[
       "Stdlib.Set.symmetricDifference",
       "Stdlib.Set.difference"
     ]
-  ]];
+  ]
+];
 
 function getOutput(buffer) {
   return buffer.map(e => e.toString()).join("");
@@ -60,7 +67,7 @@ async function extractDocFromFile(file) {
       RE_EXN_ID: "Assert_failure",
       _1: [
         "DocTest.res",
-        58,
+        61,
         9
       ],
       Error: new Error()
@@ -237,7 +244,7 @@ async function main() {
     examples.sort((a, b) => Primitive_string.compare(a.name, b.name));
     let codeExamples = Stdlib_Array.filterMap(examples, example => {
       let ignoreExample = ignoreRuntimeTests.some(param => {
-        if (nodeVersion === param[0]) {
+        if (nodeVersion < param[0]) {
           return param[1].includes(example.id);
         } else {
           return false;