Merge branch 'release/6.1.0'

Author: tuananh

.github/workflows/ci.yaml

@@ -9,7 +9,7 @@ jobs:
             fail-fast: false
             matrix:
                 os: [ubuntu-latest, macos-latest, windows-latest]
-                node-version: [12.x, 13.x, 14.x, 15.x]
+                node-version: [10.x, 11.x, 12.x, 13.x, 14.x, 15.x]
         runs-on: ${{matrix.os}}
         steps:
             - uses: actions/checkout@v2

index.js

@@ -1,7 +1,17 @@
 const { resolve } = require('path')
-const WorkerPool = require('piscina')
+const NODE_MAJOR_VERSION = process.versions.node.split('.')[0]
+let pool = null
 
-const pool = new WorkerPool({ filename: resolve(__dirname, 'worker.js') })
+if (NODE_MAJOR_VERSION < 12) {
+    console.warn('[camaro] worker_threads is not available, expect performance drop. Try using Node version >= 12.')
+    const workerFn = require('./worker')
+    pool = {
+        runTask: async (args) => workerFn(args)
+    }
+} else {
+    const WorkerPool = require('piscina')
+    pool = new WorkerPool({ filename: resolve(__dirname, 'worker.js') })
+}
 
 function isNonEmptyString(str) {
     return typeof str === 'string' && str.length > 0

package.json

@@ -63,6 +63,6 @@
     "tape": "^5.0.1"
   },
   "dependencies": {
-    "piscina": "^1.6.3"
+    "piscina": "^2.1.0"
   }
 }