feat: allow setting rust min stack size

Signed-off-by: Victor Adossi <vadossi@cosmonic.com>

Author: vados-cosmonic

src/componentize.js

@@ -32,6 +32,24 @@ function maybeWindowsPath(path) {
   return '//?/' + resolve(path).replace(/\\/g, '/');
 }
 
+/**
+ * Check whether a value is numeric (including BigInt)
+ *
+ * @param {any} n
+ * @returns {boolean} whether the value is numeric
+ */
+function isNumeric(n) {
+  switch (typeof n) {
+  case "bigint":
+  case "number":
+    return true;
+  case "object":
+    return n.constructor == BigInt || n.constructor == Number;
+  default:
+    return false;
+  }
+}
+
 export async function componentize(jsSource, witWorld, opts) {
   if (typeof witWorld === 'object') {
     opts = witWorld;
@@ -236,6 +254,14 @@ export async function componentize(jsSource, witWorld, opts) {
       wevalBin = await getWeval();
     }
 
+    // Set the min stack size, if one was provided
+    if (opts.aotMinStackSizeBytes) {
+      if (!isNumeric(opts.aotMinStackSizeBytes)) {
+        throw new TypeError(`aotMinStackSizeBytes must be a numeric value, received [${opts.aotMinStackSizeBytes}] (type ${typeof opts.aotMinStackSizeBytes})`);
+      }
+      env.RUST_MIN_STACK = opts.aotMinStackSizeBytes;
+    }
+
     try {
       let wevalProcess = spawnSync(
         wevalBin,