From 04fcd7b7d4b61c74b8974df551f74ae6614cb926 Mon Sep 17 00:00:00 2001
From: ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
Date: Sat, 12 Oct 2019 14:30:00 +0200
Subject: [PATCH 1/6] =?UTF-8?q?feat(lib/es2020):=20Add=C2=A0`Promise.allSe?=
 =?UTF-8?q?ttled(=E2=80=A6)`?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/lib/es2020.d.ts         |  1 +
 src/lib/es2020.promise.d.ts | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 src/lib/es2020.promise.d.ts

diff --git a/src/lib/es2020.d.ts b/src/lib/es2020.d.ts
index fb55d987ebb5e..57a24ab62ed3f 100644
--- a/src/lib/es2020.d.ts
+++ b/src/lib/es2020.d.ts
@@ -1,3 +1,4 @@
 /// <reference lib="es2019" />
+/// <reference lib="es2020.promise" />
 /// <reference lib="es2020.string" />
 /// <reference lib="es2020.symbol.wellknown" />
diff --git a/src/lib/es2020.promise.d.ts b/src/lib/es2020.promise.d.ts
new file mode 100644
index 0000000000000..16125b99a1903
--- /dev/null
+++ b/src/lib/es2020.promise.d.ts
@@ -0,0 +1,30 @@
+interface PromiseResolution<T> {
+    status: "fulfilled";
+    value: T;
+}
+
+interface PromiseRejection {
+    status: "rejected";
+    reason: any;
+}
+
+type PromiseResult<T> = PromiseResolution<T> | PromiseRejection;
+
+interface PromiseConstructor {
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>, PromiseResult<T7>, PromiseResult<T8>, PromiseResult<T9>, PromiseResult<T10>]>;
+    allSettled<T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>, PromiseResult<T7>, PromiseResult<T8>, PromiseResult<T9>]>;
+    allSettled<T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>, PromiseResult<T7>, PromiseResult<T8>]>;
+    allSettled<T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>, PromiseResult<T7>]>;
+    allSettled<T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>]>;
+    allSettled<T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>]>;
+    allSettled<T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>]>;
+    allSettled<T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>]>;
+    allSettled<T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[PromiseResult<T1>, PromiseResult<T2>]>;
+    allSettled<T>(values: readonly (T | PromiseLike<T>)[]): Promise<PromiseResult<T>[]>;
+}

From ee3df7f693450996d95a9540c2f7982a02610f1b Mon Sep 17 00:00:00 2001
From: ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
Date: Sat, 12 Oct 2019 14:40:00 +0200
Subject: [PATCH 2/6] =?UTF-8?q?test(lib):=20Update=C2=A0tests=20to=C2=A0ac?=
 =?UTF-8?q?count=20for=C2=A0`es2020.promise`?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/lib/libs.json                                     | 1 +
 src/testRunner/unittests/config/commandLineParsing.ts | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/lib/libs.json b/src/lib/libs.json
index 089689befdda1..ef8dd6b5758b7 100644
--- a/src/lib/libs.json
+++ b/src/lib/libs.json
@@ -40,6 +40,7 @@
         "es2019.object",
         "es2019.string",
         "es2019.symbol",
+        "es2020.promise",
         "es2020.string",
         "es2020.symbol.wellknown",
         "esnext.bigint",
diff --git a/src/testRunner/unittests/config/commandLineParsing.ts b/src/testRunner/unittests/config/commandLineParsing.ts
index 5c4998a750a6c..5322793c45a24 100644
--- a/src/testRunner/unittests/config/commandLineParsing.ts
+++ b/src/testRunner/unittests/config/commandLineParsing.ts
@@ -57,7 +57,7 @@ namespace ts {
             assertParseResult(["--lib", "es5,invalidOption", "0.ts"],
                 {
                     errors: [{
-                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2020.string', 'es2020.symbol.wellknown', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint'.",
+                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2020.promise', 'es2020.string', 'es2020.symbol.wellknown', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint'.",
                         category: Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
                         code: Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
                         file: undefined,
@@ -259,7 +259,7 @@ namespace ts {
             assertParseResult(["--lib", "es5,", "es7", "0.ts"],
                 {
                     errors: [{
-                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2020.string', 'es2020.symbol.wellknown', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint'.",
+                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2020.promise', 'es2020.string', 'es2020.symbol.wellknown', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint'.",
                         category: Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
                         code: Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
                         file: undefined,
@@ -278,7 +278,7 @@ namespace ts {
             assertParseResult(["--lib", "es5, ", "es7", "0.ts"],
                 {
                     errors: [{
-                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2020.string', 'es2020.symbol.wellknown', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint'.",
+                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2020.promise', 'es2020.string', 'es2020.symbol.wellknown', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint'.",
                         category: Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
                         code: Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
                         file: undefined,

From 829f9733a58b4a30646653a6967a659cc50e385c Mon Sep 17 00:00:00 2001
From: ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
Date: Mon, 14 Oct 2019 21:40:00 +0200
Subject: [PATCH 3/6] =?UTF-8?q?fix(lib/es2020):=20`Promise.allSettled(?=
 =?UTF-8?q?=E2=80=A6)`=20takes=C2=A0`Iterable`=C2=A0argument?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/compiler/commandLineParser.ts | 1 +
 src/lib/es2020.promise.d.ts       | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
index f7ac250984abf..862b707ad7811 100644
--- a/src/compiler/commandLineParser.ts
+++ b/src/compiler/commandLineParser.ts
@@ -49,6 +49,7 @@ namespace ts {
         ["es2019.object", "lib.es2019.object.d.ts"],
         ["es2019.string", "lib.es2019.string.d.ts"],
         ["es2019.symbol", "lib.es2019.symbol.d.ts"],
+        ["es2020.promise", "lib.es2020.promise.d.ts"],
         ["es2020.string", "lib.es2020.string.d.ts"],
         ["es2020.symbol.wellknown", "lib.es2020.symbol.wellknown.d.ts"],
         ["esnext.array", "lib.es2019.array.d.ts"],
diff --git a/src/lib/es2020.promise.d.ts b/src/lib/es2020.promise.d.ts
index 16125b99a1903..7f02bd25e602a 100644
--- a/src/lib/es2020.promise.d.ts
+++ b/src/lib/es2020.promise.d.ts
@@ -26,5 +26,5 @@ interface PromiseConstructor {
     allSettled<T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>]>;
     allSettled<T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>]>;
     allSettled<T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[PromiseResult<T1>, PromiseResult<T2>]>;
-    allSettled<T>(values: readonly (T | PromiseLike<T>)[]): Promise<PromiseResult<T>[]>;
+    allSettled<T>(values: Iterable<T | PromiseLike<T>>): Promise<PromiseResult<T>[]>;
 }

From 1b6c7711fec59c88471ff950f05d31801742ac95 Mon Sep 17 00:00:00 2001
From: ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
Date: Tue, 15 Oct 2019 23:45:00 +0200
Subject: [PATCH 4/6] =?UTF-8?q?refactor(lib/es2020):=20Rename=20`Promise.a?=
 =?UTF-8?q?llSettled(=E2=80=A6)`=20return=C2=A0type?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/lib/es2020.promise.d.ts | 89 +++++++++++++++++++++++++++++++------
 1 file changed, 76 insertions(+), 13 deletions(-)

diff --git a/src/lib/es2020.promise.d.ts b/src/lib/es2020.promise.d.ts
index 7f02bd25e602a..6ddcb60080e2c 100644
--- a/src/lib/es2020.promise.d.ts
+++ b/src/lib/es2020.promise.d.ts
@@ -1,14 +1,14 @@
-interface PromiseResolution<T> {
+interface PromiseResolvedResult<T> {
     status: "fulfilled";
     value: T;
 }
 
-interface PromiseRejection {
+interface PromiseRejectedResult {
     status: "rejected";
     reason: any;
 }
 
-type PromiseResult<T> = PromiseResolution<T> | PromiseRejection;
+type PromiseSettledResult<T> = PromiseResolvedResult<T> | PromiseRejectedResult;
 
 interface PromiseConstructor {
     /**
@@ -17,14 +17,77 @@ interface PromiseConstructor {
      * @param values An array of Promises.
      * @returns A new Promise.
      */
-    allSettled<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>, PromiseResult<T7>, PromiseResult<T8>, PromiseResult<T9>, PromiseResult<T10>]>;
-    allSettled<T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>, PromiseResult<T7>, PromiseResult<T8>, PromiseResult<T9>]>;
-    allSettled<T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>, PromiseResult<T7>, PromiseResult<T8>]>;
-    allSettled<T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>, PromiseResult<T7>]>;
-    allSettled<T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>, PromiseResult<T6>]>;
-    allSettled<T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>, PromiseResult<T5>]>;
-    allSettled<T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>, PromiseResult<T4>]>;
-    allSettled<T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[PromiseResult<T1>, PromiseResult<T2>, PromiseResult<T3>]>;
-    allSettled<T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[PromiseResult<T1>, PromiseResult<T2>]>;
-    allSettled<T>(values: Iterable<T | PromiseLike<T>>): Promise<PromiseResult<T>[]>;
+    allSettled<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>, PromiseSettledResult<T7>, PromiseSettledResult<T8>, PromiseSettledResult<T9>, PromiseSettledResult<T10>]>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>, PromiseSettledResult<T7>, PromiseSettledResult<T8>, PromiseSettledResult<T9>]>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>, PromiseSettledResult<T7>, PromiseSettledResult<T8>]>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>, PromiseSettledResult<T7>]>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>]>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>]>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>]>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>]>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>]>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T>(values: Iterable<T | PromiseLike<T>>): Promise<PromiseSettledResult<T>[]>;
 }

From be97a6b7488f4b81809d15e5d20d8daccbc162b7 Mon Sep 17 00:00:00 2001
From: ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
Date: Thu, 19 Dec 2019 02:15:00 +0100
Subject: [PATCH 5/6] =?UTF-8?q?feat(lib/es2020):=20Simplify=C2=A0`Promise.?=
 =?UTF-8?q?allSettled(=E2=80=A6)`=20type=C2=A0declaration?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/lib/es2020.promise.d.ts | 68 ++-----------------------------------
 1 file changed, 2 insertions(+), 66 deletions(-)

diff --git a/src/lib/es2020.promise.d.ts b/src/lib/es2020.promise.d.ts
index 6ddcb60080e2c..c43f16341e73d 100644
--- a/src/lib/es2020.promise.d.ts
+++ b/src/lib/es2020.promise.d.ts
@@ -17,7 +17,7 @@ interface PromiseConstructor {
      * @param values An array of Promises.
      * @returns A new Promise.
      */
-    allSettled<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>, PromiseSettledResult<T7>, PromiseSettledResult<T8>, PromiseSettledResult<T9>, PromiseSettledResult<T10>]>;
+    allSettled<T extends readonly any[] | readonly [any]>(values: T): Promise<{ -readonly [P in keyof T]: PromiseSettledResult<T[P] extends PromiseLike<infer U> ? U : T[P]> }>;
 
     /**
      * Creates a Promise that is resolved with an array of results when all
@@ -25,69 +25,5 @@ interface PromiseConstructor {
      * @param values An array of Promises.
      * @returns A new Promise.
      */
-    allSettled<T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>, PromiseSettledResult<T7>, PromiseSettledResult<T8>, PromiseSettledResult<T9>]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all
-     * of the provided Promises resolve or reject.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    allSettled<T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>, PromiseSettledResult<T7>, PromiseSettledResult<T8>]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all
-     * of the provided Promises resolve or reject.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    allSettled<T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>, PromiseSettledResult<T7>]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all
-     * of the provided Promises resolve or reject.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    allSettled<T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>, PromiseSettledResult<T6>]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all
-     * of the provided Promises resolve or reject.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    allSettled<T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>, PromiseSettledResult<T5>]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all
-     * of the provided Promises resolve or reject.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    allSettled<T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>, PromiseSettledResult<T4>]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all
-     * of the provided Promises resolve or reject.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    allSettled<T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>, PromiseSettledResult<T3>]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all
-     * of the provided Promises resolve or reject.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    allSettled<T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[PromiseSettledResult<T1>, PromiseSettledResult<T2>]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all
-     * of the provided Promises resolve or reject.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    allSettled<T>(values: Iterable<T | PromiseLike<T>>): Promise<PromiseSettledResult<T>[]>;
+    allSettled<T>(values: Iterable<T>): Promise<PromiseSettledResult<T extends PromiseLike<infer U> ? U : T>[]>;
 }

From 2929aad81a7dca0efab60f6c967de89a618b9e7a Mon Sep 17 00:00:00 2001
From: ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
Date: Thu, 2 Jan 2020 18:00:00 +0100
Subject: [PATCH 6/6] =?UTF-8?q?refactor(lib/es2020):=20Improve=C2=A0naming?=
 =?UTF-8?q?=20of=C2=A0`Promise.allSettled(=E2=80=A6)`=C2=A0types?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/lib/es2020.promise.d.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/lib/es2020.promise.d.ts b/src/lib/es2020.promise.d.ts
index c43f16341e73d..a996a99603e5d 100644
--- a/src/lib/es2020.promise.d.ts
+++ b/src/lib/es2020.promise.d.ts
@@ -1,4 +1,4 @@
-interface PromiseResolvedResult<T> {
+interface PromiseFulfilledResult<T> {
     status: "fulfilled";
     value: T;
 }
@@ -8,7 +8,7 @@ interface PromiseRejectedResult {
     reason: any;
 }
 
-type PromiseSettledResult<T> = PromiseResolvedResult<T> | PromiseRejectedResult;
+type PromiseSettledResult<T> = PromiseFulfilledResult<T> | PromiseRejectedResult;
 
 interface PromiseConstructor {
     /**
@@ -17,7 +17,8 @@ interface PromiseConstructor {
      * @param values An array of Promises.
      * @returns A new Promise.
      */
-    allSettled<T extends readonly any[] | readonly [any]>(values: T): Promise<{ -readonly [P in keyof T]: PromiseSettledResult<T[P] extends PromiseLike<infer U> ? U : T[P]> }>;
+    allSettled<T extends readonly unknown[] | readonly [unknown]>(values: T):
+        Promise<{ -readonly [P in keyof T]: PromiseSettledResult<T[P] extends PromiseLike<infer U> ? U : T[P]> }>;
 
     /**
      * Creates a Promise that is resolved with an array of results when all