Format code w/ Biome and switch from tsx to tsimp for tests

.gitignore

@@ -2,6 +2,7 @@ node_modules
 
 .DS_Store
 
+/.tsimp
 /@type
 /lib
 /coverage

ava.config.js

@@ -1,15 +1,63 @@
+// @ts-check
+
+/**
+ * @typedef {Object} ParsedVersion
+ *
+ * @prop {number} major
+ * @prop {number?} minor
+ * @prop {number?} patch
+ */
+
+/**
+ * @return {ParsedVersion}
+ */
+function parseVersion() {
+  const parsed = process.version.match(
+    /^v(?<major>[0-9]+)(?:\.(?<minor>[0-9]+)?)(?:\.(?<patch>[0-9]+))?/
+  )
+
+  if (parsed?.groups?.major == null) {
+    throw new Error("Can't extract Node.js version form process.version")
+  }
+
+  const major = Number.parseInt(parsed.groups.major, 10)
+  const [minor, patch] = [parsed.groups.minor, parsed.groups.patch].map(
+    value => (value ? Number.parseInt(value, 10) : null)
+  )
+
+  return {major, minor, patch}
+}
+
+/**
+ * @returns {boolean}
+ */
+function isOlderThanTwentyDotSix() {
+  const {major, minor} = parseVersion()
+
+  if (major > 20 || (major === 20 && minor && minor > 6)) {
+    return false
+  }
+
+  return true
+}
+
+/**
+ * @returns {string[]}
+ */
+const getTsimpArgs = () =>
+  isOlderThanTwentyDotSix()
+    ? ["--loader", "tsimp/loader"]
+    : ["--import", "tsimp"]
+
 export default {
+  timeout: "5m",
   failFast: true,
-  workerThreads: false, // Disable to make tsx work
+  workerThreads: isOlderThanTwentyDotSix() === false,
   require: "global-jsdom/register",
-  environmentVariables: {
-    TS_NODE_PROJECT: "tsconfig.ava.json"
-  },
   extensions: {
     ts: "module",
     tsx: "module"
   },
-  files: [
-    "src/**/*.test.{ts,tsx}"
-  ]
+  nodeArguments: ["--no-warnings", ...getTsimpArgs()],
+  files: ["src/**/*.test.{ts,tsx}"]
 }

biome.jsonc

@@ -2,7 +2,13 @@
   "$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
   "linter": {
     "rules": {
-      "recommended": true
+      "recommended": true,
+      "complexity": {
+        "noForEach": "off"
+      },
+      "suspicious": {
+        "noExplicitAny": "off"
+      }
     }
   },
   "formatter": {
@@ -23,6 +29,6 @@
   },
   "files": {
     "include": ["**/*.ts", "**/*.tsx", "**/*.js"],
-    "ignore": ["node_modules", ".tsimp", "coverage"]
+    "ignore": ["node_modules", ".tsimp", "coverage", "lib"]
   }
 }

package.json

@@ -34,7 +34,7 @@
     }
   },
   "scripts": {
-    "test": "cross-env NODE_OPTIONS=\"--no-warnings --import tsx\" ava",
+    "test": "ava",
     "coverage": "c8 pnpm test",
     "report": "c8 -r=html pnpm test",
     "ci": "c8 pnpm test && c8 report --reporter=json",
@@ -88,6 +88,7 @@
     "slate": "0.94.1",
     "slate-react": "0.97.1",
     "ts-expect": "1.3.0",
+    "tsimp": "2.0.11",
     "tsup": "7.2.0",
     "tsx": "^4.7.1",
     "typescript": "5.1.6",