From 8567a7fd6c81ece8fcb2fbc4be29db18f454cee8 Mon Sep 17 00:00:00 2001
From: Alexander Early <alex@npmjs.com>
Date: Mon, 9 Jul 2018 23:50:04 -0700
Subject: [PATCH 1/8] [wip] initial async generator support

---
 .babelrc                         |  5 ++-
 lib/internal/asyncEachOfLimit.js | 59 ++++++++++++++++++++++++++++++
 lib/internal/eachOfLimit.js      |  5 +++
 lib/internal/wrapAsync.js        |  6 +++-
 package-lock.json                | 20 ++++++++---
 package.json                     |  1 +
 test/asyncFunctions.js           | 17 +++++++++
 test/es2017/asyncGenerators.js   | 61 ++++++++++++++++++++++++++++++++
 8 files changed, 168 insertions(+), 6 deletions(-)
 create mode 100644 lib/internal/asyncEachOfLimit.js
 create mode 100644 test/es2017/asyncGenerators.js

diff --git a/.babelrc b/.babelrc
index 913eb6aef..911ec28ad 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,5 +1,8 @@
 {
-  "plugins": ["transform-es2015-modules-commonjs"],
+  "plugins": [
+    "transform-es2015-modules-commonjs",
+    "syntax-async-generators"
+  ],
   "env": {
     "test": {
       "plugins": ["istanbul"]
diff --git a/lib/internal/asyncEachOfLimit.js b/lib/internal/asyncEachOfLimit.js
new file mode 100644
index 000000000..a34bf0a8e
--- /dev/null
+++ b/lib/internal/asyncEachOfLimit.js
@@ -0,0 +1,59 @@
+const breakLoop = require('./breakLoop')
+
+// for async generators
+export default function asyncEachOfLimit(generator, limit, iteratee, callback) {
+    let done = false
+    let canceled = false
+    let awaiting = false
+    let running = 0
+    let idx = 0
+
+    function replenish() {
+        //console.log('replenish')
+        if (running >= limit || awaiting) return
+        //console.log('replenish awaiting')
+        awaiting = true
+        generator.next().then(({value, done: iterDone}) => {
+            //console.log('got value', value)
+            awaiting = false
+            if (iterDone) {
+                done = true;
+                if (running <= 0) {
+                    callback(null)
+                }
+                return;
+            }
+            running++
+            iteratee(value, idx, iterateeCallback)
+            idx++
+            replenish()
+        }).catch(handleError)
+    }
+
+    function iterateeCallback(err, result) {
+        //console.log('iterateeCallback')
+        if (canceled) return
+        running -= 1;
+        if (err) return handleError(err)
+
+        if (err === false) {
+            done = true;
+            canceled = true;
+        }
+
+        if (result === breakLoop || (done && running <= 0)) {
+            done = true;
+            //console.log('done')
+            return callback(null);
+        }
+        replenish()
+    }
+
+    function handleError(err) {
+        awaiting = false
+        done = true
+        callback(err)
+    }
+
+    replenish()
+}
diff --git a/lib/internal/eachOfLimit.js b/lib/internal/eachOfLimit.js
index 1d710dc34..9f3f65de1 100644
--- a/lib/internal/eachOfLimit.js
+++ b/lib/internal/eachOfLimit.js
@@ -3,6 +3,8 @@ import once from './once';
 
 import iterator from './iterator';
 import onlyOnce from './onlyOnce';
+import {isAsyncGenerator} from './wrapAsync'
+import asyncEachOfLimit from './asyncEachOfLimit'
 
 import breakLoop from './breakLoop';
 
@@ -15,6 +17,9 @@ export default (limit) => {
         if (!obj) {
             return callback(null);
         }
+        if (isAsyncGenerator(obj)) {
+            return asyncEachOfLimit(obj, limit, iteratee, callback)
+        }
         var nextElem = iterator(obj);
         var done = false;
         var canceled = false;
diff --git a/lib/internal/wrapAsync.js b/lib/internal/wrapAsync.js
index 2b1490c57..b1be4201f 100644
--- a/lib/internal/wrapAsync.js
+++ b/lib/internal/wrapAsync.js
@@ -4,10 +4,14 @@ function isAsync(fn) {
     return fn[Symbol.toStringTag] === 'AsyncFunction';
 }
 
+function isAsyncGenerator(fn) {
+    return fn[Symbol.toStringTag] === 'AsyncGenerator';
+}
+
 function wrapAsync(asyncFn) {
     return isAsync(asyncFn) ? asyncify(asyncFn) : asyncFn;
 }
 
 export default wrapAsync;
 
-export { isAsync };
+export { isAsync, isAsyncGenerator };
diff --git a/package-lock.json b/package-lock.json
index 28904fafc..49c303b79 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -190,6 +190,7 @@
     },
     "ansi-styles": {
       "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
       "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
       "dev": true
     },
@@ -1227,6 +1228,12 @@
       "integrity": "sha1-ytnK0RkbWtY0vzCuCHI5HgZHvpU=",
       "dev": true
     },
+    "babel-plugin-syntax-async-generators": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-async-generators/-/babel-plugin-syntax-async-generators-6.13.0.tgz",
+      "integrity": "sha1-a8lj67FuzLrmuStZbrfzXDQqi5o=",
+      "dev": true
+    },
     "babel-plugin-syntax-trailing-function-commas": {
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-syntax-trailing-function-commas/-/babel-plugin-syntax-trailing-function-commas-6.22.0.tgz",
@@ -3875,7 +3882,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4290,7 +4298,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4346,6 +4355,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4389,12 +4399,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
diff --git a/package.json b/package.json
index 8f7569343..213a108c4 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "babel-core": "^6.26.3",
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-istanbul": "^2.0.1",
+    "babel-plugin-syntax-async-generators": "^6.13.0",
     "babel-plugin-transform-es2015-modules-commonjs": "^6.26.2",
     "babel-preset-es2015": "^6.3.13",
     "babel-preset-es2017": "^6.22.0",
diff --git a/test/asyncFunctions.js b/test/asyncFunctions.js
index 894b32be0..d2a1355c6 100644
--- a/test/asyncFunctions.js
+++ b/test/asyncFunctions.js
@@ -11,6 +11,17 @@ function supportsAsync() {
     return supported;
 }
 
+function supportsAsyncGenerators() {
+    var supported;
+    try {
+        /* eslint no-eval: 0 */
+        supported = eval('(async function * () { yield await 1 })');
+    } catch (e) {
+        supported = false;
+    }
+    return supported;
+}
+
 describe('async function support', function () {
     this.timeout(100);
 
@@ -19,4 +30,10 @@ describe('async function support', function () {
     } else {
         it('should not test async functions in this environment');
     }
+
+    if (supportsAsyncGenerators()) {
+        require('./es2017/asyncGenerators.js')();
+    } else {
+        it('should not test async generators in this environment');
+    }
 });
diff --git a/test/es2017/asyncGenerators.js b/test/es2017/asyncGenerators.js
new file mode 100644
index 000000000..4fab12611
--- /dev/null
+++ b/test/es2017/asyncGenerators.js
@@ -0,0 +1,61 @@
+var async = require('../../lib');
+const {expect} = require('chai');
+const assert = require('assert');
+
+const delay = ms => new Promise(resolve => setTimeout(resolve, ms))
+
+module.exports = function () {
+    async function asyncIdentity(val) {
+        var res = await Promise.resolve(val);
+        return res;
+    }
+
+    async function * range (num) {
+        for(let i = 0; i < num; i++) {
+            await delay(1)
+            yield i
+        }
+    }
+
+    it('should handle async generators in each', (done) => {
+        const calls = []
+        async.each(range(5),
+            async (val) => {
+                calls.push(val)
+                await delay(5)
+            }, (err) => {
+                if (err) throw err
+                expect(calls).to.eql([0, 1, 2, 3, 4])
+                done()
+            }
+        )
+    });
+
+    it('should handle async generators in eachLimit', (done) => {
+        const calls = []
+        async.eachLimit(range(5), 2,
+            async (val) => {
+                calls.push(val)
+                await delay(5)
+            }, (err) => {
+                if (err) throw err
+                expect(calls).to.eql([0, 1, 2, 3, 4])
+                done()
+            }
+        )
+    });
+
+    it('should handle async generators in eachSeries', (done) => {
+        const calls = []
+        async.eachSeries(range(5),
+            async (val) => {
+                calls.push(val)
+                await delay(5)
+            }, (err) => {
+                if (err) throw err
+                expect(calls).to.eql([0, 1, 2, 3, 4])
+                done()
+            }
+        )
+    });
+}

From aa1ec94791542df69c3b22c071bd1e9e77bcb42f Mon Sep 17 00:00:00 2001
From: Alexander Early <alex@npmjs.com>
Date: Tue, 10 Jul 2018 21:16:45 -0700
Subject: [PATCH 2/8] tighten up implementation

---
 lib/internal/asyncEachOfLimit.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/internal/asyncEachOfLimit.js b/lib/internal/asyncEachOfLimit.js
index a34bf0a8e..403915b1a 100644
--- a/lib/internal/asyncEachOfLimit.js
+++ b/lib/internal/asyncEachOfLimit.js
@@ -10,15 +10,17 @@ export default function asyncEachOfLimit(generator, limit, iteratee, callback) {
 
     function replenish() {
         //console.log('replenish')
-        if (running >= limit || awaiting) return
+        if (running >= limit || awaiting || done) return
         //console.log('replenish awaiting')
         awaiting = true
         generator.next().then(({value, done: iterDone}) => {
             //console.log('got value', value)
+            if (canceled || done) return
             awaiting = false
             if (iterDone) {
                 done = true;
                 if (running <= 0) {
+                    //console.log('done nextCb')
                     callback(null)
                 }
                 return;
@@ -32,24 +34,26 @@ export default function asyncEachOfLimit(generator, limit, iteratee, callback) {
 
     function iterateeCallback(err, result) {
         //console.log('iterateeCallback')
-        if (canceled) return
         running -= 1;
+        if (canceled) return
         if (err) return handleError(err)
 
         if (err === false) {
             done = true;
             canceled = true;
+            return
         }
 
         if (result === breakLoop || (done && running <= 0)) {
             done = true;
-            //console.log('done')
+            //console.log('done iterCb')
             return callback(null);
         }
         replenish()
     }
 
     function handleError(err) {
+        if (canceled) return
         awaiting = false
         done = true
         callback(err)

From 82cef4f31e4a5476751dbbd229b55d3a189a9d00 Mon Sep 17 00:00:00 2001
From: Alexander Early <alexander.early@gmail.com>
Date: Sun, 29 Jul 2018 16:41:50 -0700
Subject: [PATCH 3/8] fix linter

---
 .eslintrc                      |   1 +
 package-lock.json              | 272 +++++++++++++++++++++++++++++----
 package.json                   |   1 +
 test/es2017/asyncGenerators.js |   6 -
 4 files changed, 244 insertions(+), 36 deletions(-)

diff --git a/.eslintrc b/.eslintrc
index 3380c044d..18d322a9c 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -5,6 +5,7 @@
     "mocha": true,
     "es6": true
   },
+  "parser": "babel-eslint",
   "parserOptions": {
     "ecmaVersion": 8,
     "sourceType": "module"
diff --git a/package-lock.json b/package-lock.json
index 49c303b79..3c8fdf3e2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,185 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.44.tgz",
+      "integrity": "sha512-cuAuTTIQ9RqcFRJ/Y8PvTh+paepNcaGxwQwjIDRWPXmzzyAeCO4KqS9ikMvq0MCbRk6GlYKwfzStrcP3/jSL8g==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "7.0.0-beta.44"
+      }
+    },
+    "@babel/generator": {
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.44.tgz",
+      "integrity": "sha512-5xVb7hlhjGcdkKpMXgicAVgx8syK5VJz193k0i/0sLP6DzE6lRrU1K3B/rFefgdo9LPGMAOOOAWW4jycj07ShQ==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "7.0.0-beta.44",
+        "jsesc": "^2.5.1",
+        "lodash": "^4.2.0",
+        "source-map": "^0.5.0",
+        "trim-right": "^1.0.1"
+      },
+      "dependencies": {
+        "jsesc": {
+          "version": "2.5.1",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.1.tgz",
+          "integrity": "sha1-5CGiqOINawgZ3yiQj3glJrlt0f4=",
+          "dev": true
+        }
+      }
+    },
+    "@babel/helper-function-name": {
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.44.tgz",
+      "integrity": "sha512-MHRG2qZMKMFaBavX0LWpfZ2e+hLloT++N7rfM3DYOMUOGCD8cVjqZpwiL8a0bOX3IYcQev1ruciT0gdFFRTxzg==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-get-function-arity": "7.0.0-beta.44",
+        "@babel/template": "7.0.0-beta.44",
+        "@babel/types": "7.0.0-beta.44"
+      }
+    },
+    "@babel/helper-get-function-arity": {
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.44.tgz",
+      "integrity": "sha512-w0YjWVwrM2HwP6/H3sEgrSQdkCaxppqFeJtAnB23pRiJB5E/O9Yp7JAAeWBl+gGEgmBFinnTyOv2RN7rcSmMiw==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "7.0.0-beta.44"
+      }
+    },
+    "@babel/helper-split-export-declaration": {
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.44.tgz",
+      "integrity": "sha512-aQ7QowtkgKKzPGf0j6u77kBMdUFVBKNHw2p/3HX/POt5/oz8ec5cs0GwlgM8Hz7ui5EwJnzyfRmkNF1Nx1N7aA==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "7.0.0-beta.44"
+      }
+    },
+    "@babel/highlight": {
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0-beta.44.tgz",
+      "integrity": "sha512-Il19yJvy7vMFm8AVAh6OZzaFoAd0hbkeMZiX3P5HGD+z7dyI7RzndHB0dg6Urh/VAFfHtpOIzDUSxmY6coyZWQ==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^3.0.0"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
+          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "@babel/template": {
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.44.tgz",
+      "integrity": "sha512-w750Sloq0UNifLx1rUqwfbnC6uSUk0mfwwgGRfdLiaUzfAOiH0tHJE6ILQIUi3KYkjiCDTskoIsnfqZvWLBDng==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "7.0.0-beta.44",
+        "@babel/types": "7.0.0-beta.44",
+        "babylon": "7.0.0-beta.44",
+        "lodash": "^4.2.0"
+      },
+      "dependencies": {
+        "babylon": {
+          "version": "7.0.0-beta.44",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz",
+          "integrity": "sha512-5Hlm13BJVAioCHpImtFqNOF2H3ieTOHd0fmFGMxOJ9jgeFqeAwsv3u5P5cR7CSeFrkgHsT19DgFJkHV0/Mcd8g==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/traverse": {
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0-beta.44.tgz",
+      "integrity": "sha512-UHuDz8ukQkJCDASKHf+oDt3FVUzFd+QYfuBIsiNu/4+/ix6pP/C+uQZJ6K1oEfbCMv/IKWbgDEh7fcsnIE5AtA==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "7.0.0-beta.44",
+        "@babel/generator": "7.0.0-beta.44",
+        "@babel/helper-function-name": "7.0.0-beta.44",
+        "@babel/helper-split-export-declaration": "7.0.0-beta.44",
+        "@babel/types": "7.0.0-beta.44",
+        "babylon": "7.0.0-beta.44",
+        "debug": "^3.1.0",
+        "globals": "^11.1.0",
+        "invariant": "^2.2.0",
+        "lodash": "^4.2.0"
+      },
+      "dependencies": {
+        "babylon": {
+          "version": "7.0.0-beta.44",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz",
+          "integrity": "sha512-5Hlm13BJVAioCHpImtFqNOF2H3ieTOHd0fmFGMxOJ9jgeFqeAwsv3u5P5cR7CSeFrkgHsT19DgFJkHV0/Mcd8g==",
+          "dev": true
+        },
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "globals": {
+          "version": "11.7.0",
+          "resolved": "https://registry.npmjs.org/globals/-/globals-11.7.0.tgz",
+          "integrity": "sha512-K8BNSPySfeShBQXsahYB/AbbWruVOTyVpgoIDnl8odPpeSfP2J5QO2oLFFdl2j7GfDCtZj2bMKar2T49itTPCg==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/types": {
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.44.tgz",
+      "integrity": "sha512-5eTV4WRmqbaFM3v9gHAIljEQJU4Ssc6fxL61JN+Oe2ga/BwyjzjamwkCVVAQjHGuAX8i0BWo42dshL8eO5KfLQ==",
+      "dev": true,
+      "requires": {
+        "esutils": "^2.0.2",
+        "lodash": "^4.2.0",
+        "to-fast-properties": "^2.0.0"
+      }
+    },
     "JSONStream": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.2.tgz",
@@ -494,6 +673,28 @@
         }
       }
     },
+    "babel-eslint": {
+      "version": "8.2.6",
+      "resolved": "https://registry.npmjs.org/babel-eslint/-/babel-eslint-8.2.6.tgz",
+      "integrity": "sha512-aCdHjhzcILdP8c9lej7hvXKvQieyRt20SF102SIGyY4cUIiw6UaAtK4j2o3dXX74jEmy0TJ0CEhv4fTIM3SzcA==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "7.0.0-beta.44",
+        "@babel/traverse": "7.0.0-beta.44",
+        "@babel/types": "7.0.0-beta.44",
+        "babylon": "7.0.0-beta.44",
+        "eslint-scope": "3.7.1",
+        "eslint-visitor-keys": "^1.0.0"
+      },
+      "dependencies": {
+        "babylon": {
+          "version": "7.0.0-beta.44",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz",
+          "integrity": "sha512-5Hlm13BJVAioCHpImtFqNOF2H3ieTOHd0fmFGMxOJ9jgeFqeAwsv3u5P5cR7CSeFrkgHsT19DgFJkHV0/Mcd8g==",
+          "dev": true
+        }
+      }
+    },
     "babel-generator": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.26.0.tgz",
@@ -3882,8 +4083,7 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3904,14 +4104,12 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3926,20 +4124,17 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -4056,8 +4251,7 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4069,7 +4263,6 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4084,7 +4277,6 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -4092,14 +4284,12 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -4118,7 +4308,6 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4199,8 +4388,7 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4212,7 +4400,6 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4298,8 +4485,7 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4335,7 +4521,6 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4355,7 +4540,6 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4399,14 +4583,12 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         }
       }
     },
@@ -5114,6 +5296,15 @@
         "xtend": "^4.0.0"
       }
     },
+    "invariant": {
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.4.tgz",
+      "integrity": "sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==",
+      "dev": true,
+      "requires": {
+        "loose-envify": "^1.0.0"
+      }
+    },
     "invert-kv": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
@@ -5328,6 +5519,12 @@
       "integrity": "sha1-4mJbrbwNZ8dTPp7cEGjFh65BN+8=",
       "dev": true
     },
+    "js-tokens": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
+      "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls=",
+      "dev": true
+    },
     "js-yaml": {
       "version": "3.6.1",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.6.1.tgz",
@@ -6026,6 +6223,15 @@
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
       "dev": true
     },
+    "loose-envify": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
+      "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
+      "dev": true,
+      "requires": {
+        "js-tokens": "^3.0.0 || ^4.0.0"
+      }
+    },
     "lru-cache": {
       "version": "2.2.4",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.2.4.tgz",
@@ -10865,6 +11071,12 @@
       "integrity": "sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M=",
       "dev": true
     },
+    "to-fast-properties": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+      "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
+      "dev": true
+    },
     "tough-cookie": {
       "version": "2.3.4",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
diff --git a/package.json b/package.json
index 213a108c4..b05e7110b 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
   "dependencies": {},
   "devDependencies": {
     "babel-core": "^6.26.3",
+    "babel-eslint": "^8.2.6",
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-istanbul": "^2.0.1",
     "babel-plugin-syntax-async-generators": "^6.13.0",
diff --git a/test/es2017/asyncGenerators.js b/test/es2017/asyncGenerators.js
index 4fab12611..d0a5172e4 100644
--- a/test/es2017/asyncGenerators.js
+++ b/test/es2017/asyncGenerators.js
@@ -1,15 +1,9 @@
 var async = require('../../lib');
 const {expect} = require('chai');
-const assert = require('assert');
 
 const delay = ms => new Promise(resolve => setTimeout(resolve, ms))
 
 module.exports = function () {
-    async function asyncIdentity(val) {
-        var res = await Promise.resolve(val);
-        return res;
-    }
-
     async function * range (num) {
         for(let i = 0; i < num; i++) {
             await delay(1)

From 59fea53dfd6f7515093f6bac100d8a3c96cf6388 Mon Sep 17 00:00:00 2001
From: Alexander Early <alexander.early@gmail.com>
Date: Sun, 29 Jul 2018 17:33:15 -0700
Subject: [PATCH 4/8] add suport for async iterables

---
 lib/internal/eachOfLimit.js    |  5 ++++-
 lib/internal/wrapAsync.js      |  6 +++++-
 test/asyncFunctions.js         |  4 ++--
 test/es2017/asyncGenerators.js | 30 ++++++++++++++++++++++++++++++
 4 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/lib/internal/eachOfLimit.js b/lib/internal/eachOfLimit.js
index 9f3f65de1..999cbfa5d 100644
--- a/lib/internal/eachOfLimit.js
+++ b/lib/internal/eachOfLimit.js
@@ -3,7 +3,7 @@ import once from './once';
 
 import iterator from './iterator';
 import onlyOnce from './onlyOnce';
-import {isAsyncGenerator} from './wrapAsync'
+import {isAsyncGenerator, isAsyncIterable} from './wrapAsync'
 import asyncEachOfLimit from './asyncEachOfLimit'
 
 import breakLoop from './breakLoop';
@@ -20,6 +20,9 @@ export default (limit) => {
         if (isAsyncGenerator(obj)) {
             return asyncEachOfLimit(obj, limit, iteratee, callback)
         }
+        if (isAsyncIterable(obj)) {
+            return asyncEachOfLimit(obj[Symbol.asyncIterator](), limit, iteratee, callback)
+        }
         var nextElem = iterator(obj);
         var done = false;
         var canceled = false;
diff --git a/lib/internal/wrapAsync.js b/lib/internal/wrapAsync.js
index b1be4201f..5c3edd97b 100644
--- a/lib/internal/wrapAsync.js
+++ b/lib/internal/wrapAsync.js
@@ -8,10 +8,14 @@ function isAsyncGenerator(fn) {
     return fn[Symbol.toStringTag] === 'AsyncGenerator';
 }
 
+function isAsyncIterable(obj) {
+    return typeof obj[Symbol.asyncIterator] === 'function';
+}
+
 function wrapAsync(asyncFn) {
     return isAsync(asyncFn) ? asyncify(asyncFn) : asyncFn;
 }
 
 export default wrapAsync;
 
-export { isAsync, isAsyncGenerator };
+export { isAsync, isAsyncGenerator, isAsyncIterable };
diff --git a/test/asyncFunctions.js b/test/asyncFunctions.js
index d2a1355c6..700579dc2 100644
--- a/test/asyncFunctions.js
+++ b/test/asyncFunctions.js
@@ -26,13 +26,13 @@ describe('async function support', function () {
     this.timeout(100);
 
     if (supportsAsync()) {
-        require('./es2017/asyncFunctions.js')();
+        require('./es2017/asyncFunctions.js').call(this);
     } else {
         it('should not test async functions in this environment');
     }
 
     if (supportsAsyncGenerators()) {
-        require('./es2017/asyncGenerators.js')();
+        require('./es2017/asyncGenerators.js').call(this);
     } else {
         it('should not test async generators in this environment');
     }
diff --git a/test/es2017/asyncGenerators.js b/test/es2017/asyncGenerators.js
index d0a5172e4..c9be07ec5 100644
--- a/test/es2017/asyncGenerators.js
+++ b/test/es2017/asyncGenerators.js
@@ -11,6 +11,21 @@ module.exports = function () {
         }
     }
 
+    function AsyncIterable (size) {
+        // cant use method shorthand because babel doesnt parse it right
+        async function * iterator () {
+            let idx = 0
+            while (idx < size) {
+                yield idx
+                await delay(1)
+                idx++
+            }
+        }
+        return {
+            [Symbol.asyncIterator]: iterator
+        }
+    }
+
     it('should handle async generators in each', (done) => {
         const calls = []
         async.each(range(5),
@@ -52,4 +67,19 @@ module.exports = function () {
             }
         )
     });
+
+
+    it('should handle async iterables in each', (done) => {
+        const calls = []
+        async.each(new AsyncIterable(5),
+            async (val) => {
+                calls.push(val)
+                await delay(5)
+            }, (err) => {
+                if (err) throw err
+                expect(calls).to.eql([0, 1, 2, 3, 4])
+                done()
+            }
+        )
+    });
 }

From 2cdaa454ce26365eca6fdedb8671f40b0821c803 Mon Sep 17 00:00:00 2001
From: Alexander Early <alexander.early@gmail.com>
Date: Sun, 29 Jul 2018 17:34:51 -0700
Subject: [PATCH 5/8] docs

---
 lib/applyEach.js       | 2 +-
 lib/applyEachSeries.js | 2 +-
 lib/concat.js          | 2 +-
 lib/concatLimit.js     | 2 +-
 lib/concatSeries.js    | 2 +-
 lib/detect.js          | 2 +-
 lib/detectLimit.js     | 2 +-
 lib/detectSeries.js    | 2 +-
 lib/each.js            | 2 +-
 lib/eachLimit.js       | 2 +-
 lib/eachOf.js          | 2 +-
 lib/eachOfLimit.js     | 2 +-
 lib/eachOfSeries.js    | 2 +-
 lib/eachSeries.js      | 2 +-
 lib/every.js           | 2 +-
 lib/everyLimit.js      | 2 +-
 lib/everySeries.js     | 2 +-
 lib/filter.js          | 2 +-
 lib/filterLimit.js     | 2 +-
 lib/filterSeries.js    | 2 +-
 lib/groupBy.js         | 2 +-
 lib/groupByLimit.js    | 2 +-
 lib/groupBySeries.js   | 2 +-
 lib/map.js             | 2 +-
 lib/mapLimit.js        | 2 +-
 lib/mapSeries.js       | 2 +-
 lib/parallel.js        | 2 +-
 lib/parallelLimit.js   | 2 +-
 lib/reduce.js          | 2 +-
 lib/reject.js          | 2 +-
 lib/rejectLimit.js     | 2 +-
 lib/rejectSeries.js    | 2 +-
 lib/series.js          | 2 +-
 lib/some.js            | 2 +-
 lib/someLimit.js       | 2 +-
 lib/someSeries.js      | 2 +-
 lib/sortBy.js          | 2 +-
 lib/transform.js       | 2 +-
 lib/tryEach.js         | 2 +-
 39 files changed, 39 insertions(+), 39 deletions(-)

diff --git a/lib/applyEach.js b/lib/applyEach.js
index 9228d4401..45462619f 100644
--- a/lib/applyEach.js
+++ b/lib/applyEach.js
@@ -15,7 +15,7 @@ import map from './map';
  * @memberOf module:ControlFlow
  * @method
  * @category Control Flow
- * @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s
+ * @param {Array|Iterable|AsyncIterable|Object} fns - A collection of {@link AsyncFunction}s
  * to all call with the same arguments
  * @param {...*} [args] - any number of separate arguments to pass to the
  * function.
diff --git a/lib/applyEachSeries.js b/lib/applyEachSeries.js
index 392b1396e..6a4d62b6c 100644
--- a/lib/applyEachSeries.js
+++ b/lib/applyEachSeries.js
@@ -10,7 +10,7 @@ import mapSeries from './mapSeries';
  * @method
  * @see [async.applyEach]{@link module:ControlFlow.applyEach}
  * @category Control Flow
- * @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s to all
+ * @param {Array|Iterable|AsyncIterable|Object} fns - A collection of {@link AsyncFunction}s to all
  * call with the same arguments
  * @param {...*} [args] - any number of separate arguments to pass to the
  * function.
diff --git a/lib/concat.js b/lib/concat.js
index b4857c9d2..62f5517fa 100644
--- a/lib/concat.js
+++ b/lib/concat.js
@@ -13,7 +13,7 @@ import concatLimit from './concatLimit';
  * @memberOf module:Collections
  * @method
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
  * which should use an array as its result. Invoked with (item, callback).
  * @param {Function} [callback(err)] - A callback which is called after all the
diff --git a/lib/concatLimit.js b/lib/concatLimit.js
index 39d0dd782..5dbbe8dd1 100644
--- a/lib/concatLimit.js
+++ b/lib/concatLimit.js
@@ -11,7 +11,7 @@ import mapLimit from './mapLimit';
  * @method
  * @see [async.concat]{@link module:Collections.concat}
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
  * which should use an array as its result. Invoked with (item, callback).
diff --git a/lib/concatSeries.js b/lib/concatSeries.js
index 26f5268e5..ae1bd67b6 100644
--- a/lib/concatSeries.js
+++ b/lib/concatSeries.js
@@ -10,7 +10,7 @@ import concatLimit from './concatLimit';
  * @method
  * @see [async.concat]{@link module:Collections.concat}
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`.
  * The iteratee should complete with an array an array of results.
  * Invoked with (item, callback).
diff --git a/lib/detect.js b/lib/detect.js
index 1ea4eb498..3e28f0ee2 100644
--- a/lib/detect.js
+++ b/lib/detect.js
@@ -17,7 +17,7 @@ import doParallel from './internal/doParallel';
  * @method
  * @alias find
  * @category Collections
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
  * The iteratee must complete with a boolean value as its result.
  * Invoked with (item, callback).
diff --git a/lib/detectLimit.js b/lib/detectLimit.js
index e9ff15880..a0f9d8936 100644
--- a/lib/detectLimit.js
+++ b/lib/detectLimit.js
@@ -12,7 +12,7 @@ import doParallelLimit from './internal/doParallelLimit';
  * @see [async.detect]{@link module:Collections.detect}
  * @alias findLimit
  * @category Collections
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
  * The iteratee must complete with a boolean value as its result.
diff --git a/lib/detectSeries.js b/lib/detectSeries.js
index 684bdaaab..f563eae40 100644
--- a/lib/detectSeries.js
+++ b/lib/detectSeries.js
@@ -11,7 +11,7 @@ import doLimit from './internal/doLimit';
  * @see [async.detect]{@link module:Collections.detect}
  * @alias findSeries
  * @category Collections
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
  * The iteratee must complete with a boolean value as its result.
  * Invoked with (item, callback).
diff --git a/lib/each.js b/lib/each.js
index 29f2bafc8..dc856ac54 100644
--- a/lib/each.js
+++ b/lib/each.js
@@ -18,7 +18,7 @@ import wrapAsync from './internal/wrapAsync'
  * @method
  * @alias forEach
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async function to apply to
  * each item in `coll`. Invoked with (item, callback).
  * The array index is not passed to the iteratee.
diff --git a/lib/eachLimit.js b/lib/eachLimit.js
index 462e329ee..e4d67cbf2 100644
--- a/lib/eachLimit.js
+++ b/lib/eachLimit.js
@@ -12,7 +12,7 @@ import wrapAsync from './internal/wrapAsync';
  * @see [async.each]{@link module:Collections.each}
  * @alias forEachLimit
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {AsyncFunction} iteratee - An async function to apply to each item in
  * `coll`.
diff --git a/lib/eachOf.js b/lib/eachOf.js
index 7d9ebd0a0..070204bf0 100644
--- a/lib/eachOf.js
+++ b/lib/eachOf.js
@@ -49,7 +49,7 @@ var eachOfGeneric = doLimit(eachOfLimit, Infinity);
  * @alias forEachOf
  * @category Collection
  * @see [async.each]{@link module:Collections.each}
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - A function to apply to each
  * item in `coll`.
  * The `key` is the item's key, or index in the case of an array.
diff --git a/lib/eachOfLimit.js b/lib/eachOfLimit.js
index 1de28efc6..f439be675 100644
--- a/lib/eachOfLimit.js
+++ b/lib/eachOfLimit.js
@@ -12,7 +12,7 @@ import wrapAsync from './internal/wrapAsync';
  * @see [async.eachOf]{@link module:Collections.eachOf}
  * @alias forEachOfLimit
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {AsyncFunction} iteratee - An async function to apply to each
  * item in `coll`. The `key` is the item's key, or index in the case of an
diff --git a/lib/eachOfSeries.js b/lib/eachOfSeries.js
index fc1a09724..d64e7ec24 100644
--- a/lib/eachOfSeries.js
+++ b/lib/eachOfSeries.js
@@ -11,7 +11,7 @@ import doLimit from './internal/doLimit';
  * @see [async.eachOf]{@link module:Collections.eachOf}
  * @alias forEachOfSeries
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async function to apply to each item in
  * `coll`.
  * Invoked with (item, key, callback).
diff --git a/lib/eachSeries.js b/lib/eachSeries.js
index 9f8d7defd..ae6f6c70e 100644
--- a/lib/eachSeries.js
+++ b/lib/eachSeries.js
@@ -11,7 +11,7 @@ import doLimit from './internal/doLimit';
  * @see [async.each]{@link module:Collections.each}
  * @alias forEachSeries
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async function to apply to each
  * item in `coll`.
  * The array index is not passed to the iteratee.
diff --git a/lib/every.js b/lib/every.js
index ed00f7219..be2bc4aa2 100644
--- a/lib/every.js
+++ b/lib/every.js
@@ -11,7 +11,7 @@ import doParallel from './internal/doParallel';
  * @method
  * @alias all
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async truth test to apply to each item
  * in the collection in parallel.
  * The iteratee must complete with a boolean result value.
diff --git a/lib/everyLimit.js b/lib/everyLimit.js
index 536229a9a..78ffa36ea 100644
--- a/lib/everyLimit.js
+++ b/lib/everyLimit.js
@@ -11,7 +11,7 @@ import doParallelLimit from './internal/doParallelLimit';
  * @see [async.every]{@link module:Collections.every}
  * @alias allLimit
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {AsyncFunction} iteratee - An async truth test to apply to each item
  * in the collection in parallel.
diff --git a/lib/everySeries.js b/lib/everySeries.js
index b67368c95..c450bff40 100644
--- a/lib/everySeries.js
+++ b/lib/everySeries.js
@@ -11,7 +11,7 @@ import doLimit from './internal/doLimit';
  * @see [async.every]{@link module:Collections.every}
  * @alias allSeries
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async truth test to apply to each item
  * in the collection in series.
  * The iteratee must complete with a boolean result value.
diff --git a/lib/filter.js b/lib/filter.js
index 4f0cbf183..692802b61 100644
--- a/lib/filter.js
+++ b/lib/filter.js
@@ -12,7 +12,7 @@ import doParallel from './internal/doParallel';
  * @method
  * @alias select
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {Function} iteratee - A truth test to apply to each item in `coll`.
  * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
  * with a boolean argument once it has completed. Invoked with (item, callback).
diff --git a/lib/filterLimit.js b/lib/filterLimit.js
index 2c053640d..946002de4 100644
--- a/lib/filterLimit.js
+++ b/lib/filterLimit.js
@@ -12,7 +12,7 @@ import doParallelLimit from './internal/doParallelLimit';
  * @see [async.filter]{@link module:Collections.filter}
  * @alias selectLimit
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {Function} iteratee - A truth test to apply to each item in `coll`.
  * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
diff --git a/lib/filterSeries.js b/lib/filterSeries.js
index c973c148e..908afbcee 100644
--- a/lib/filterSeries.js
+++ b/lib/filterSeries.js
@@ -11,7 +11,7 @@ import doLimit from './internal/doLimit';
  * @see [async.filter]{@link module:Collections.filter}
  * @alias selectSeries
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {Function} iteratee - A truth test to apply to each item in `coll`.
  * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
  * with a boolean argument once it has completed. Invoked with (item, callback).
diff --git a/lib/groupBy.js b/lib/groupBy.js
index a2f923ff5..860a01f80 100644
--- a/lib/groupBy.js
+++ b/lib/groupBy.js
@@ -17,7 +17,7 @@ import groupByLimit from './groupByLimit';
  * @memberOf module:Collections
  * @method
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async function to apply to each item in
  * `coll`.
  * The iteratee should complete with a `key` to group the value under.
diff --git a/lib/groupByLimit.js b/lib/groupByLimit.js
index 816bcc6d9..f0402aa47 100644
--- a/lib/groupByLimit.js
+++ b/lib/groupByLimit.js
@@ -10,7 +10,7 @@ import wrapAsync from './internal/wrapAsync';
  * @method
  * @see [async.groupBy]{@link module:Collections.groupBy}
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {AsyncFunction} iteratee - An async function to apply to each item in
  * `coll`.
diff --git a/lib/groupBySeries.js b/lib/groupBySeries.js
index 91935c378..a093d7fa7 100644
--- a/lib/groupBySeries.js
+++ b/lib/groupBySeries.js
@@ -10,7 +10,7 @@ import groupByLimit from './groupByLimit';
  * @method
  * @see [async.groupBy]{@link module:Collections.groupBy}
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {AsyncFunction} iteratee - An async function to apply to each item in
  * `coll`.
diff --git a/lib/map.js b/lib/map.js
index 100ab7a1a..2512c327a 100644
--- a/lib/map.js
+++ b/lib/map.js
@@ -23,7 +23,7 @@ import map from './internal/map';
  * @memberOf module:Collections
  * @method
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async function to apply to each item in
  * `coll`.
  * The iteratee should complete with the transformed item.
diff --git a/lib/mapLimit.js b/lib/mapLimit.js
index 0a2fc02c4..905edc64c 100644
--- a/lib/mapLimit.js
+++ b/lib/mapLimit.js
@@ -10,7 +10,7 @@ import map from './internal/map';
  * @method
  * @see [async.map]{@link module:Collections.map}
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {AsyncFunction} iteratee - An async function to apply to each item in
  * `coll`.
diff --git a/lib/mapSeries.js b/lib/mapSeries.js
index 596c75ec7..96b5f0ad7 100644
--- a/lib/mapSeries.js
+++ b/lib/mapSeries.js
@@ -10,7 +10,7 @@ import doLimit from './internal/doLimit';
  * @method
  * @see [async.map]{@link module:Collections.map}
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async function to apply to each item in
  * `coll`.
  * The iteratee should complete with the transformed item.
diff --git a/lib/parallel.js b/lib/parallel.js
index 8b6c2ce89..edf8be48b 100644
--- a/lib/parallel.js
+++ b/lib/parallel.js
@@ -27,7 +27,7 @@ import parallel from './internal/parallel';
  * @memberOf module:ControlFlow
  * @method
  * @category Control Flow
- * @param {Array|Iterable|Object} tasks - A collection of
+ * @param {Array|Iterable|AsyncIterable|Object} tasks - A collection of
  * [async functions]{@link AsyncFunction} to run.
  * Each async function can complete with any number of optional `result` values.
  * @param {Function} [callback] - An optional callback to run once all the
diff --git a/lib/parallelLimit.js b/lib/parallelLimit.js
index 14e9e5230..9a857b844 100644
--- a/lib/parallelLimit.js
+++ b/lib/parallelLimit.js
@@ -11,7 +11,7 @@ import parallel from './internal/parallel';
  * @method
  * @see [async.parallel]{@link module:ControlFlow.parallel}
  * @category Control Flow
- * @param {Array|Iterable|Object} tasks - A collection of
+ * @param {Array|Iterable|AsyncIterable|Object} tasks - A collection of
  * [async functions]{@link AsyncFunction} to run.
  * Each async function can complete with any number of optional `result` values.
  * @param {number} limit - The maximum number of async operations at a time.
diff --git a/lib/reduce.js b/lib/reduce.js
index 7966e49e5..1a6c036b7 100644
--- a/lib/reduce.js
+++ b/lib/reduce.js
@@ -21,7 +21,7 @@ import wrapAsync from './internal/wrapAsync';
  * @alias inject
  * @alias foldl
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {*} memo - The initial state of the reduction.
  * @param {AsyncFunction} iteratee - A function applied to each item in the
  * array to produce the next step in the reduction.
diff --git a/lib/reject.js b/lib/reject.js
index 95a627036..cfac12d84 100644
--- a/lib/reject.js
+++ b/lib/reject.js
@@ -10,7 +10,7 @@ import doParallel from './internal/doParallel';
  * @method
  * @see [async.filter]{@link module:Collections.filter}
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {Function} iteratee - An async truth test to apply to each item in
  * `coll`.
  * The should complete with a boolean value as its `result`.
diff --git a/lib/rejectLimit.js b/lib/rejectLimit.js
index 814781138..76e6ffc27 100644
--- a/lib/rejectLimit.js
+++ b/lib/rejectLimit.js
@@ -11,7 +11,7 @@ import doParallelLimit from './internal/doParallelLimit';
  * @method
  * @see [async.reject]{@link module:Collections.reject}
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {Function} iteratee - An async truth test to apply to each item in
  * `coll`.
diff --git a/lib/rejectSeries.js b/lib/rejectSeries.js
index 7eba2f736..3f2d62f17 100644
--- a/lib/rejectSeries.js
+++ b/lib/rejectSeries.js
@@ -10,7 +10,7 @@ import doLimit from './internal/doLimit';
  * @method
  * @see [async.reject]{@link module:Collections.reject}
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {Function} iteratee - An async truth test to apply to each item in
  * `coll`.
  * The should complete with a boolean value as its `result`.
diff --git a/lib/series.js b/lib/series.js
index eef153411..539a1e7cb 100644
--- a/lib/series.js
+++ b/lib/series.js
@@ -27,7 +27,7 @@ import eachOfSeries from './eachOfSeries';
  * @memberOf module:ControlFlow
  * @method
  * @category Control Flow
- * @param {Array|Iterable|Object} tasks - A collection containing
+ * @param {Array|Iterable|AsyncIterable|Object} tasks - A collection containing
  * [async functions]{@link AsyncFunction} to run in series.
  * Each function can complete with any number of optional `result` values.
  * @param {Function} [callback] - An optional callback to run once all the
diff --git a/lib/some.js b/lib/some.js
index d0d9d9e93..65543bb48 100644
--- a/lib/some.js
+++ b/lib/some.js
@@ -12,7 +12,7 @@ import doParallel from './internal/doParallel';
  * @method
  * @alias any
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async truth test to apply to each item
  * in the collections in parallel.
  * The iteratee should complete with a boolean `result` value.
diff --git a/lib/someLimit.js b/lib/someLimit.js
index a5906aae2..fb6841c50 100644
--- a/lib/someLimit.js
+++ b/lib/someLimit.js
@@ -11,7 +11,7 @@ import doParallelLimit from './internal/doParallelLimit';
  * @see [async.some]{@link module:Collections.some}
  * @alias anyLimit
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {number} limit - The maximum number of async operations at a time.
  * @param {AsyncFunction} iteratee - An async truth test to apply to each item
  * in the collections in parallel.
diff --git a/lib/someSeries.js b/lib/someSeries.js
index 8e278deb7..c05ca1f22 100644
--- a/lib/someSeries.js
+++ b/lib/someSeries.js
@@ -11,7 +11,7 @@ import doLimit from './internal/doLimit';
  * @see [async.some]{@link module:Collections.some}
  * @alias anySeries
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async truth test to apply to each item
  * in the collections in series.
  * The iteratee should complete with a boolean `result` value.
diff --git a/lib/sortBy.js b/lib/sortBy.js
index 4316665ba..ba2a80407 100644
--- a/lib/sortBy.js
+++ b/lib/sortBy.js
@@ -10,7 +10,7 @@ import wrapAsync from './internal/wrapAsync';
  * @memberOf module:Collections
  * @method
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {AsyncFunction} iteratee - An async function to apply to each item in
  * `coll`.
  * The iteratee should complete with a value to use as the sort criteria as
diff --git a/lib/transform.js b/lib/transform.js
index 014a494ba..821a0fa47 100644
--- a/lib/transform.js
+++ b/lib/transform.js
@@ -13,7 +13,7 @@ import wrapAsync from './internal/wrapAsync';
  * @memberOf module:Collections
  * @method
  * @category Collection
- * @param {Array|Iterable|Object} coll - A collection to iterate over.
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
  * @param {*} [accumulator] - The initial state of the transform.  If omitted,
  * it will default to an empty Object or Array, depending on the type of `coll`
  * @param {AsyncFunction} iteratee - A function applied to each item in the
diff --git a/lib/tryEach.js b/lib/tryEach.js
index 1b405316f..af885dc05 100644
--- a/lib/tryEach.js
+++ b/lib/tryEach.js
@@ -13,7 +13,7 @@ import wrapAsync from './internal/wrapAsync';
  * @memberOf module:ControlFlow
  * @method
  * @category Control Flow
- * @param {Array|Iterable|Object} tasks - A collection containing functions to
+ * @param {Array|Iterable|AsyncIterable|Object} tasks - A collection containing functions to
  * run, each function is passed a `callback(err, result)` it must call on
  * completion with an error `err` (which can be `null`) and an optional `result`
  * value.

From e491bd1e0ca6a234f2d15879a4b40f17590397a4 Mon Sep 17 00:00:00 2001
From: Alexander Early <alexander.early@gmail.com>
Date: Sun, 29 Jul 2018 18:08:50 -0700
Subject: [PATCH 6/8] bump timeout

---
 test/asyncFunctions.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/asyncFunctions.js b/test/asyncFunctions.js
index 700579dc2..6bd7a8d11 100644
--- a/test/asyncFunctions.js
+++ b/test/asyncFunctions.js
@@ -23,7 +23,7 @@ function supportsAsyncGenerators() {
 }
 
 describe('async function support', function () {
-    this.timeout(100);
+    this.timeout(200);
 
     if (supportsAsync()) {
         require('./es2017/asyncFunctions.js').call(this);

From 0b5c27ec5373b8e9bc4d7c84538da08450e0098c Mon Sep 17 00:00:00 2001
From: Alexander Early <alexander.early@gmail.com>
Date: Sun, 29 Jul 2018 18:36:40 -0700
Subject: [PATCH 7/8] switch to babel-minify

---
 Makefile          |  14 +-
 package-lock.json | 852 +++++++++++++++++++++++++++++++++++++++-------
 package.json      |   2 +-
 3 files changed, 744 insertions(+), 124 deletions(-)

diff --git a/Makefile b/Makefile
index 86af46c0e..6cff2c3d6 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,6 @@ export PATH := ./node_modules/.bin/:$(PATH):./bin/
 
 PACKAGE = asyncjs
 REQUIRE_NAME = async
-UGLIFY = uglifyjs
 XYZ = support/xyz.sh --repo git@github.com:caolan/async.git
 
 BUILDDIR = build
@@ -21,7 +20,7 @@ LINT_FILES := lib/ test/ $(shell find perf/ -maxdepth 2 -type f) $(shell find su
 
 UMD_BUNDLE := $(BUILDDIR)/dist/async.js
 UMD_BUNDLE_MIN := $(BUILDDIR)/dist/async.min.js
-UMD_BUNDLE_MAP := $(BUILDDIR)/dist/async.min.map
+# UMD_BUNDLE_MAP := $(BUILDDIR)/dist/async.min.map
 ALIAS_ES := $(addprefix build-es/, $(addsuffix .js, $(shell cat $(SCRIPTS)/aliases.txt | cut -d ' ' -f1)))
 ALIAS_CJS := $(patsubst build-es/%, build/%, $(ALIAS_ES))
 ES_MODULES := $(patsubst lib/%.js, build-es/%.js, $(JS_SRC)) $(ALIAS_ES)
@@ -81,17 +80,14 @@ $(UMD_BUNDLE): $(ES_MODULES) package.json
 	node $(SCRIPTS)/build/aggregate-bundle.js
 
 # Create the minified UMD versions and copy them to dist/ for bower
-build-dist: $(DIST) $(DIST)/async.js $(DIST)/async.min.js $(DIST)/async.min.map
+build-dist: $(DIST) $(DIST)/async.js $(DIST)/async.min.js # $(DIST)/async.min.map
 
 $(DIST):
 	mkdir -p $@
 
 $(UMD_BUNDLE_MIN): $(UMD_BUNDLE)
 	mkdir -p "$(@D)"
-	$(UGLIFY) $< --mangle --compress \
-		--source-map $(UMD_BUNDLE_MAP) \
-		--source-map-url async.min.map \
-		-o $@
+	babel-minify $< --mangle -o $@
 
 $(DIST)/async.js: $(UMD_BUNDLE)
 	cp $< $@
@@ -99,8 +95,8 @@ $(DIST)/async.js: $(UMD_BUNDLE)
 $(DIST)/async.min.js: $(UMD_BUNDLE_MIN)
 	cp $< $@
 
-$(DIST)/async.min.map: $(UMD_BUNDLE_MIN)
-	cp $(UMD_BUNDLE_MAP) $@
+# $(DIST)/async.min.map: $(UMD_BUNDLE_MIN)
+# 	cp $(UMD_BUNDLE_MAP) $@
 
 build-es: $(ES_MODULES)
 
diff --git a/package-lock.json b/package-lock.json
index 3c8fdf3e2..95724ca71 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,188 @@
         "@babel/highlight": "7.0.0-beta.44"
       }
     },
+    "@babel/core": {
+      "version": "7.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.0.0-beta.55.tgz",
+      "integrity": "sha1-nhfDS1rIVeQnyY9XCRWhf8xrq0o=",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "7.0.0-beta.55",
+        "@babel/generator": "7.0.0-beta.55",
+        "@babel/helpers": "7.0.0-beta.55",
+        "@babel/parser": "7.0.0-beta.55",
+        "@babel/template": "7.0.0-beta.55",
+        "@babel/traverse": "7.0.0-beta.55",
+        "@babel/types": "7.0.0-beta.55",
+        "convert-source-map": "^1.1.0",
+        "debug": "^3.1.0",
+        "json5": "^0.5.0",
+        "lodash": "^4.17.10",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "@babel/code-frame": {
+          "version": "7.0.0-beta.55",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.55.tgz",
+          "integrity": "sha1-cfUw57AQr163p993UveJId1X6e4=",
+          "dev": true,
+          "requires": {
+            "@babel/highlight": "7.0.0-beta.55"
+          }
+        },
+        "@babel/generator": {
+          "version": "7.0.0-beta.55",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.55.tgz",
+          "integrity": "sha1-jsERUtzDmLrjXdGBEicEQVw4OgE=",
+          "dev": true,
+          "requires": {
+            "@babel/types": "7.0.0-beta.55",
+            "jsesc": "^2.5.1",
+            "lodash": "^4.17.10",
+            "source-map": "^0.5.0",
+            "trim-right": "^1.0.1"
+          }
+        },
+        "@babel/helper-function-name": {
+          "version": "7.0.0-beta.55",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.55.tgz",
+          "integrity": "sha1-FqqyE4Ci6rzuMyjSG5WGujQn2+8=",
+          "dev": true,
+          "requires": {
+            "@babel/helper-get-function-arity": "7.0.0-beta.55",
+            "@babel/template": "7.0.0-beta.55",
+            "@babel/types": "7.0.0-beta.55"
+          }
+        },
+        "@babel/helper-get-function-arity": {
+          "version": "7.0.0-beta.55",
+          "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.55.tgz",
+          "integrity": "sha1-hVne2W7NO2JvnB9XSU7cT6PMapQ=",
+          "dev": true,
+          "requires": {
+            "@babel/types": "7.0.0-beta.55"
+          }
+        },
+        "@babel/helper-split-export-declaration": {
+          "version": "7.0.0-beta.55",
+          "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.55.tgz",
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     "object.omit": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/object.omit/-/object.omit-2.0.1.tgz",
@@ -10356,15 +11023,6 @@
       "integrity": "sha1-/s5hv6DBtSoga9axgZgYS91SOjs=",
       "dev": true
     },
-    "right-align": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
-      "integrity": "sha1-YTObci/mo1FWiSENJOFMlhSGE+8=",
-      "dev": true,
-      "requires": {
-        "align-text": "^0.1.1"
-      }
-    },
     "rimraf": {
       "version": "2.6.2",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
@@ -11169,44 +11827,6 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
-    "uglify-js": {
-      "version": "2.7.5",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.7.5.tgz",
-      "integrity": "sha1-RhLAx7qu4rp8SH3kkErhIgefLKg=",
-      "dev": true,
-      "requires": {
-        "async": "~0.2.6",
-        "source-map": "~0.5.1",
-        "uglify-to-browserify": "~1.0.0",
-        "yargs": "~3.10.0"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
-          "dev": true
-        },
-        "yargs": {
-          "version": "3.10.0",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
-          "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
-          "dev": true,
-          "requires": {
-            "camelcase": "^1.0.2",
-            "cliui": "^2.1.0",
-            "decamelize": "^1.0.0",
-            "window-size": "0.1.0"
-          }
-        }
-      }
-    },
-    "uglify-to-browserify": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",
-      "integrity": "sha1-bgkk1r2mta/jSeOabWMoUKD4grc=",
-      "dev": true
-    },
     "ultron": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
@@ -11305,6 +11925,16 @@
       "integrity": "sha1-p8IW0mdUUWljeztu3GypEZ4v+T8=",
       "dev": true
     },
+    "util.promisify": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/util.promisify/-/util.promisify-1.0.0.tgz",
+      "integrity": "sha512-i+6qA2MPhvoKLuxnJNpXAGhg7HphQOSUq2LKMZD0m15EiskXUkMvKdF4Uui0WYeCUGea+o2cw/ZuwehtfsrNkA==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "object.getownpropertydescriptors": "^2.0.3"
+      }
+    },
     "utile": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/utile/-/utile-0.3.0.tgz",
@@ -11391,12 +12021,6 @@
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
       "dev": true
     },
-    "window-size": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
-      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=",
-      "dev": true
-    },
     "winston": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/winston/-/winston-2.1.1.tgz",
diff --git a/package.json b/package.json
index b05e7110b..84206ead1 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
   "devDependencies": {
     "babel-core": "^6.26.3",
     "babel-eslint": "^8.2.6",
+    "babel-minify": "^0.4.3",
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-istanbul": "^2.0.1",
     "babel-plugin-syntax-async-generators": "^6.13.0",
@@ -56,7 +57,6 @@
     "rollup-plugin-npm": "^2.0.0",
     "rsvp": "^3.0.18",
     "semver": "^5.5.0",
-    "uglify-js": "~2.7.3",
     "yargs": "^11.0.0"
   },
   "scripts": {

From c99905a71309cbc2e91ec3f26693903480fc40aa Mon Sep 17 00:00:00 2001
From: Alexander Early <alexander.early@gmail.com>
Date: Sun, 29 Jul 2018 18:48:05 -0700
Subject: [PATCH 8/8] fix rollup build

---
 lib/internal/asyncEachOfLimit.js  |  2 +-
 lib/internal/breakLoop.js         |  3 ++-
 package-lock.json                 | 21 +++++++++++++++++----
 package.json                      |  2 +-
 support/build.test.js             |  4 ++--
 support/build/aggregate-bundle.js |  6 +++---
 6 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/lib/internal/asyncEachOfLimit.js b/lib/internal/asyncEachOfLimit.js
index 403915b1a..69d5e7453 100644
--- a/lib/internal/asyncEachOfLimit.js
+++ b/lib/internal/asyncEachOfLimit.js
@@ -1,4 +1,4 @@
-const breakLoop = require('./breakLoop')
+import breakLoop from './breakLoop';
 
 // for async generators
 export default function asyncEachOfLimit(generator, limit, iteratee, callback) {
diff --git a/lib/internal/breakLoop.js b/lib/internal/breakLoop.js
index 6bb216e8c..542b1bcf4 100644
--- a/lib/internal/breakLoop.js
+++ b/lib/internal/breakLoop.js
@@ -1,3 +1,4 @@
 // A temporary value used to identify if the loop should be broken.
 // See #1064, #1293
-export default {};
\ No newline at end of file
+const breakLoop = {};
+export default breakLoop;
diff --git a/package-lock.json b/package-lock.json
index 95724ca71..f42b9b49e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -542,6 +542,18 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@types/estree": {
+      "version": "0.0.39",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.39.tgz",
+      "integrity": "sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==",
+      "dev": true
+    },
+    "@types/node": {
+      "version": "10.5.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.5.4.tgz",
+      "integrity": "sha512-8TqvB0ReZWwtcd3LXq3YSrBoLyXFgBX/sBZfGye9+YS8zH7/g+i6QRIuiDmwBoTzcQ/pk89nZYTYU4c5akKkzw==",
+      "dev": true
+    },
     "JSONStream": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.2.tgz",
@@ -11043,12 +11055,13 @@
       }
     },
     "rollup": {
-      "version": "0.36.4",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.36.4.tgz",
-      "integrity": "sha1-oiRJTFOGwdc9OPe7hvafXrARo9I=",
+      "version": "0.63.4",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.63.4.tgz",
+      "integrity": "sha512-IGTH7u0P6bmu7cXL0g11UDYTR9WKku70cYlqVyOYdqLoQopBGmCbGC3SMeheqHymnehHe/5yf6BJ6BEoxQBVTQ==",
       "dev": true,
       "requires": {
-        "source-map-support": "^0.4.0"
+        "@types/estree": "0.0.39",
+        "@types/node": "*"
       }
     },
     "rollup-plugin-node-resolve": {
diff --git a/package.json b/package.json
index 84206ead1..2e82c557f 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "native-promise-only": "^0.8.0-a",
     "nyc": "^11.8.0",
     "rimraf": "^2.5.0",
-    "rollup": "^0.36.3",
+    "rollup": "^0.63.4",
     "rollup-plugin-node-resolve": "^2.0.0",
     "rollup-plugin-npm": "^2.0.0",
     "rsvp": "^3.0.18",
diff --git a/support/build.test.js b/support/build.test.js
index 02f11cea9..095127011 100644
--- a/support/build.test.js
+++ b/support/build.test.js
@@ -74,14 +74,14 @@ describe("ES Modules", () => {
 
     before(() => {
         return rollup({
-            entry: __dirname + "/es.test.js",
+            input: __dirname + "/es.test.js",
             plugins: [
                 rollupPluginNodeResolve()
             ]
         }).then((bundle) => {
             return bundle.write({
                 format: "umd",
-                dest: buildFile
+                file: buildFile
             });
         });
     });
diff --git a/support/build/aggregate-bundle.js b/support/build/aggregate-bundle.js
index 9430822d7..452a1f1fa 100644
--- a/support/build/aggregate-bundle.js
+++ b/support/build/aggregate-bundle.js
@@ -2,14 +2,14 @@ const {rollup} = require('rollup');
 const nodeResolve = require('rollup-plugin-node-resolve');
 
 rollup({
-    entry: 'build-es/index.js',
+    input: 'build-es/index.js',
     plugins: [ nodeResolve() ]
 })
     .then(( bundle ) => {
         return bundle.write({
             format: 'umd',
-            moduleName: 'async',
-            dest: 'build/dist/async.js'
+            name: 'async',
+            file: 'build/dist/async.js'
         });
     })
     .catch((err) => { throw err; });