fix: better error messages in case failure to load

Author: aminya

lib/load-addon.js

@@ -19,7 +19,7 @@ function main() {
     try {
       require("../lib/load-addon.js")
     } catch (error) {
-      console.error("Failed to load ZMQ addon:", error)
+      console.error(error)
       cmakeTs()
     }
   }

lib/load-addon.js.map

@@ -1,35 +1,44 @@
 import path from "path"
 import fs from "fs"
 
-const addonParentDir = path.join(
-  __dirname,
-  "..",
-  "build",
-  process.platform,
-  process.arch,
-  "node",
-)
-const addOnAbiDirs = fs.readdirSync(addonParentDir).sort((a, b) => {
-  return Number.parseInt(b, 10) - Number.parseInt(a, 10)
-})
-
-let addon: undefined | any
-// try each available addon ABI
-for (const addOnAbiDir of addOnAbiDirs) {
-  const addonPath = path.join(addonParentDir, addOnAbiDir, "addon.node")
+function findAddon(): any | undefined {
   try {
-    addon = require(addonPath)
-  } catch (err) {
-    console.error(
-      `Failed to load addon at ${addonPath}: ${err}\nTrying others...`,
+    const addonParentDir = path.join(
+      __dirname,
+      "..",
+      "build",
+      process.platform,
+      process.arch,
+      "node",
     )
-  }
-}
+    const addOnAbiDirs = fs.readdirSync(addonParentDir).sort((a, b) => {
+      return Number.parseInt(b, 10) - Number.parseInt(a, 10)
+    })
 
-if (addon === undefined) {
-  throw new Error(
-    `No compatible addon found in ${addonParentDir} folder. Please build addon with 'npm run build'`,
-  )
+    // try each available addon ABI
+    let addon: undefined | any
+    for (const addOnAbiDir of addOnAbiDirs) {
+      const addonPath = path.join(addonParentDir, addOnAbiDir, "addon.node")
+      try {
+        addon = require(addonPath)
+        break
+      } catch (err) {
+        console.error(
+          `Failed to load addon at ${addonPath}: ${err}\nTrying others...`,
+        )
+      }
+    }
+
+    if (addon === undefined) {
+      throw new Error(
+        `No compatible zeromq.js addon found in ${addonParentDir} folder`,
+      )
+    }
+
+    return addon
+  } catch (err) {
+    throw new Error(`Failed to load zeromq.js addon.node: ${err}`)
+  }
 }
 
-module.exports = addon
+module.exports = findAddon()