deps: remove delegates (#207)

Inspired by #206, we really don't need an entire library to pass a
parameter through to another class

lib/tracker-stream.js

@@ -1,6 +1,5 @@
 'use strict'
 const stream = require('stream')
-const delegate = require('delegates')
 const Tracker = require('./tracker.js')
 
 class TrackerStream extends stream.Transform {
@@ -9,7 +8,11 @@ class TrackerStream extends stream.Transform {
     this.tracker = new Tracker(name, size)
     this.name = name
     this.id = this.tracker.id
-    this.tracker.on('change', delegateChange(this))
+    this.tracker.on('change', this.trackerChange.bind(this))
+  }
+
+  trackerChange (name, completion) {
+    this.emit('change', name, completion, this)
   }
 
   _transform (data, encoding, cb) {
@@ -22,17 +25,18 @@ class TrackerStream extends stream.Transform {
     this.tracker.finish()
     cb()
   }
-}
 
-function delegateChange (trackerStream) {
-  return function (name, completion, tracker) {
-    trackerStream.emit('change', name, completion, trackerStream)
+  completed () {
+    return this.tracker.completed()
   }
-}
 
-delegate(TrackerStream.prototype, 'tracker')
-  .method('completed')
-  .method('addWork')
-  .method('finish')
+  addWork (work) {
+    return this.tracker.addWork(work)
+  }
+
+  finish () {
+    return this.tracker.finish()
+  }
+}
 
 module.exports = TrackerStream

package.json

@@ -28,9 +28,6 @@
     "@npmcli/template-oss": "4.21.3",
     "tap": "^16.0.1"
   },
-  "dependencies": {
-    "delegates": "^1.0.0"
-  },
   "files": [
     "bin/",
     "lib/"