add Array.fromAsync to esnext (#57748)

Co-authored-by: Daniel Rosenwasser <DanielRosenwasser@users.noreply.github.com>

src/compiler/commandLineParser.ts

@@ -233,6 +233,7 @@ const libEntries: [string, string][] = [
     ["esnext.weakref", "lib.es2021.weakref.d.ts"],
     ["esnext.decorators", "lib.esnext.decorators.d.ts"],
     ["esnext.object", "lib.esnext.object.d.ts"],
+    ["esnext.array", "lib.esnext.array.d.ts"],
     ["esnext.regexp", "lib.esnext.regexp.d.ts"],
     ["decorators", "lib.decorators.d.ts"],
     ["decorators.legacy", "lib.decorators.legacy.d.ts"],

src/compiler/utilities.ts

@@ -1338,6 +1338,9 @@ export const getScriptTargetFeatures = /* @__PURE__ */ memoize((): ScriptTargetF
                 "from",
                 "of",
             ],
+            esnext: [
+                "fromAsync",
+            ],
         })),
         ObjectConstructor: new Map(Object.entries({
             es2015: [

src/lib/esnext.array.d.ts

@@ -0,0 +1,17 @@
+interface ArrayConstructor {
+    /**
+     * Creates an array from an async iterator or iterable object.
+     * @param iterableOrArrayLike An async iterator or array-like object to convert to an array.
+     */
+    fromAsync<T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>;
+
+    /**
+     * Creates an array from an async iterator or iterable object.
+     *
+     * @param iterableOrArrayLike An async iterator or array-like object to convert to an array.
+     * @param mapfn A mapping function to call on every element of itarableOrArrayLike.
+     *      Each return value is awaited before being added to result array.
+     * @param thisArg Value of 'this' used when executing mapfn.
+     */
+    fromAsync<T, U>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T> | ArrayLike<T>, mapFn: (value: Awaited<T>) => U, thisArg?: any): Promise<Awaited<U>[]>;
+}

src/lib/esnext.d.ts

@@ -5,4 +5,5 @@
 /// <reference lib="esnext.promise" />
 /// <reference lib="esnext.object" />
 /// <reference lib="esnext.collection" />
+/// <reference lib="esnext.array" />
 /// <reference lib="esnext.regexp" />

src/lib/libs.json

@@ -77,6 +77,7 @@
         "esnext.promise",
         "esnext.object",
         "esnext.collection",
+        "esnext.array",
         "esnext.regexp",
         "decorators",
         "decorators.legacy",

tests/baselines/reference/arrayFromAsync.js

@@ -0,0 +1,82 @@
+//// [tests/cases/compiler/arrayFromAsync.ts] ////
+
+//// [arrayFromAsync.ts]
+export { };
+async function * asyncGen (n) {
+    for (let i = 0; i < n; i++)
+      yield i * 2;
+  }
+
+function * genPromises (n) {
+    for (let i = 0; i < n; i++) {
+        yield Promise.resolve(i * 2);
+    }
+}
+  
+const arrLike = {
+    0: Promise.resolve(0),
+    1: Promise.resolve(2),
+    2: Promise.resolve(4),
+    3: Promise.resolve(6),
+    length: 4,
+}
+
+const arr : number[] = [];
+for await (const v of asyncGen(4)) {
+  arr.push(v);
+}
+
+const sameArr1 = await Array.fromAsync(arrLike);
+const sameArr2 = await Array.fromAsync([Promise.resolve(0), Promise.resolve(2), Promise.resolve(4), Promise.resolve(6)]);
+const sameArr3 = await Array.fromAsync(genPromises(4));
+const sameArr4 = await Array.fromAsync(asyncGen(4));
+
+function Data (n) {}
+Data.fromAsync = Array.fromAsync;
+const sameArr5 = await Data.fromAsync(asyncGen(4));
+
+const mapArr1 = await Array.fromAsync(asyncGen(4), v => v ** 2);
+const mapArr2 = await Array.fromAsync([0,2,4,6], v => Promise.resolve(v ** 2));
+const mapArr3 = await Array.fromAsync([0,2,4,6], v => v ** 2);
+
+const err = new Error;
+const badIterable = { [Symbol.iterator] () { throw err; } };
+// This returns a promise that will reject with `err`.
+const badArray = await Array.fromAsync(badIterable);
+
+//// [arrayFromAsync.js]
+async function* asyncGen(n) {
+    for (let i = 0; i < n; i++)
+        yield i * 2;
+}
+function* genPromises(n) {
+    for (let i = 0; i < n; i++) {
+        yield Promise.resolve(i * 2);
+    }
+}
+const arrLike = {
+    0: Promise.resolve(0),
+    1: Promise.resolve(2),
+    2: Promise.resolve(4),
+    3: Promise.resolve(6),
+    length: 4,
+};
+const arr = [];
+for await (const v of asyncGen(4)) {
+    arr.push(v);
+}
+const sameArr1 = await Array.fromAsync(arrLike);
+const sameArr2 = await Array.fromAsync([Promise.resolve(0), Promise.resolve(2), Promise.resolve(4), Promise.resolve(6)]);
+const sameArr3 = await Array.fromAsync(genPromises(4));
+const sameArr4 = await Array.fromAsync(asyncGen(4));
+function Data(n) { }
+Data.fromAsync = Array.fromAsync;
+const sameArr5 = await Data.fromAsync(asyncGen(4));
+const mapArr1 = await Array.fromAsync(asyncGen(4), v => v ** 2);
+const mapArr2 = await Array.fromAsync([0, 2, 4, 6], v => Promise.resolve(v ** 2));
+const mapArr3 = await Array.fromAsync([0, 2, 4, 6], v => v ** 2);
+const err = new Error;
+const badIterable = { [Symbol.iterator]() { throw err; } };
+// This returns a promise that will reject with `err`.
+const badArray = await Array.fromAsync(badIterable);
+export {};

tests/baselines/reference/arrayFromAsync.symbols

@@ -0,0 +1,187 @@
+//// [tests/cases/compiler/arrayFromAsync.ts] ////
+
+=== arrayFromAsync.ts ===
+export { };
+async function * asyncGen (n) {
+>asyncGen : Symbol(asyncGen, Decl(arrayFromAsync.ts, 0, 11))
+>n : Symbol(n, Decl(arrayFromAsync.ts, 1, 27))
+
+    for (let i = 0; i < n; i++)
+>i : Symbol(i, Decl(arrayFromAsync.ts, 2, 12))
+>i : Symbol(i, Decl(arrayFromAsync.ts, 2, 12))
+>n : Symbol(n, Decl(arrayFromAsync.ts, 1, 27))
+>i : Symbol(i, Decl(arrayFromAsync.ts, 2, 12))
+
+      yield i * 2;
+>i : Symbol(i, Decl(arrayFromAsync.ts, 2, 12))
+  }
+
+function * genPromises (n) {
+>genPromises : Symbol(genPromises, Decl(arrayFromAsync.ts, 4, 3))
+>n : Symbol(n, Decl(arrayFromAsync.ts, 6, 24))
+
+    for (let i = 0; i < n; i++) {
+>i : Symbol(i, Decl(arrayFromAsync.ts, 7, 12))
+>i : Symbol(i, Decl(arrayFromAsync.ts, 7, 12))
+>n : Symbol(n, Decl(arrayFromAsync.ts, 6, 24))
+>i : Symbol(i, Decl(arrayFromAsync.ts, 7, 12))
+
+        yield Promise.resolve(i * 2);
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>i : Symbol(i, Decl(arrayFromAsync.ts, 7, 12))
+    }
+}
+  
+const arrLike = {
+>arrLike : Symbol(arrLike, Decl(arrayFromAsync.ts, 12, 5))
+
+    0: Promise.resolve(0),
+>0 : Symbol(0, Decl(arrayFromAsync.ts, 12, 17))
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+
+    1: Promise.resolve(2),
+>1 : Symbol(1, Decl(arrayFromAsync.ts, 13, 26))
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+
+    2: Promise.resolve(4),
+>2 : Symbol(2, Decl(arrayFromAsync.ts, 14, 26))
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+
+    3: Promise.resolve(6),
+>3 : Symbol(3, Decl(arrayFromAsync.ts, 15, 26))
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+
+    length: 4,
+>length : Symbol(length, Decl(arrayFromAsync.ts, 16, 26))
+}
+
+const arr : number[] = [];
+>arr : Symbol(arr, Decl(arrayFromAsync.ts, 20, 5))
+
+for await (const v of asyncGen(4)) {
+>v : Symbol(v, Decl(arrayFromAsync.ts, 21, 16))
+>asyncGen : Symbol(asyncGen, Decl(arrayFromAsync.ts, 0, 11))
+
+  arr.push(v);
+>arr.push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
+>arr : Symbol(arr, Decl(arrayFromAsync.ts, 20, 5))
+>push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
+>v : Symbol(v, Decl(arrayFromAsync.ts, 21, 16))
+}
+
+const sameArr1 = await Array.fromAsync(arrLike);
+>sameArr1 : Symbol(sameArr1, Decl(arrayFromAsync.ts, 25, 5))
+>Array.fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>arrLike : Symbol(arrLike, Decl(arrayFromAsync.ts, 12, 5))
+
+const sameArr2 = await Array.fromAsync([Promise.resolve(0), Promise.resolve(2), Promise.resolve(4), Promise.resolve(6)]);
+>sameArr2 : Symbol(sameArr2, Decl(arrayFromAsync.ts, 26, 5))
+>Array.fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+
+const sameArr3 = await Array.fromAsync(genPromises(4));
+>sameArr3 : Symbol(sameArr3, Decl(arrayFromAsync.ts, 27, 5))
+>Array.fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>genPromises : Symbol(genPromises, Decl(arrayFromAsync.ts, 4, 3))
+
+const sameArr4 = await Array.fromAsync(asyncGen(4));
+>sameArr4 : Symbol(sameArr4, Decl(arrayFromAsync.ts, 28, 5))
+>Array.fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>asyncGen : Symbol(asyncGen, Decl(arrayFromAsync.ts, 0, 11))
+
+function Data (n) {}
+>Data : Symbol(Data, Decl(arrayFromAsync.ts, 28, 52), Decl(arrayFromAsync.ts, 30, 20))
+>n : Symbol(n, Decl(arrayFromAsync.ts, 30, 15))
+
+Data.fromAsync = Array.fromAsync;
+>Data.fromAsync : Symbol(Data.fromAsync, Decl(arrayFromAsync.ts, 30, 20))
+>Data : Symbol(Data, Decl(arrayFromAsync.ts, 28, 52), Decl(arrayFromAsync.ts, 30, 20))
+>fromAsync : Symbol(Data.fromAsync, Decl(arrayFromAsync.ts, 30, 20))
+>Array.fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+
+const sameArr5 = await Data.fromAsync(asyncGen(4));
+>sameArr5 : Symbol(sameArr5, Decl(arrayFromAsync.ts, 32, 5))
+>Data.fromAsync : Symbol(Data.fromAsync, Decl(arrayFromAsync.ts, 30, 20))
+>Data : Symbol(Data, Decl(arrayFromAsync.ts, 28, 52), Decl(arrayFromAsync.ts, 30, 20))
+>fromAsync : Symbol(Data.fromAsync, Decl(arrayFromAsync.ts, 30, 20))
+>asyncGen : Symbol(asyncGen, Decl(arrayFromAsync.ts, 0, 11))
+
+const mapArr1 = await Array.fromAsync(asyncGen(4), v => v ** 2);
+>mapArr1 : Symbol(mapArr1, Decl(arrayFromAsync.ts, 34, 5))
+>Array.fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>asyncGen : Symbol(asyncGen, Decl(arrayFromAsync.ts, 0, 11))
+>v : Symbol(v, Decl(arrayFromAsync.ts, 34, 50))
+>v : Symbol(v, Decl(arrayFromAsync.ts, 34, 50))
+
+const mapArr2 = await Array.fromAsync([0,2,4,6], v => Promise.resolve(v ** 2));
+>mapArr2 : Symbol(mapArr2, Decl(arrayFromAsync.ts, 35, 5))
+>Array.fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>v : Symbol(v, Decl(arrayFromAsync.ts, 35, 48))
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>v : Symbol(v, Decl(arrayFromAsync.ts, 35, 48))
+
+const mapArr3 = await Array.fromAsync([0,2,4,6], v => v ** 2);
+>mapArr3 : Symbol(mapArr3, Decl(arrayFromAsync.ts, 36, 5))
+>Array.fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>v : Symbol(v, Decl(arrayFromAsync.ts, 36, 48))
+>v : Symbol(v, Decl(arrayFromAsync.ts, 36, 48))
+
+const err = new Error;
+>err : Symbol(err, Decl(arrayFromAsync.ts, 38, 5))
+>Error : Symbol(Error, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2022.error.d.ts, --, --))
+
+const badIterable = { [Symbol.iterator] () { throw err; } };
+>badIterable : Symbol(badIterable, Decl(arrayFromAsync.ts, 39, 5))
+>[Symbol.iterator] : Symbol([Symbol.iterator], Decl(arrayFromAsync.ts, 39, 21))
+>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
+>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2019.symbol.d.ts, --, --))
+>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
+>err : Symbol(err, Decl(arrayFromAsync.ts, 38, 5))
+
+// This returns a promise that will reject with `err`.
+const badArray = await Array.fromAsync(badIterable);
+>badArray : Symbol(badArray, Decl(arrayFromAsync.ts, 41, 5))
+>Array.fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --) ... and 4 more)
+>fromAsync : Symbol(ArrayConstructor.fromAsync, Decl(lib.esnext.array.d.ts, --, --), Decl(lib.esnext.array.d.ts, --, --))
+>badIterable : Symbol(badIterable, Decl(arrayFromAsync.ts, 39, 5))
+

tests/baselines/reference/arrayFromAsync.types

@@ -0,0 +1,272 @@
+//// [tests/cases/compiler/arrayFromAsync.ts] ////
+
+=== arrayFromAsync.ts ===
+export { };
+async function * asyncGen (n) {
+>asyncGen : (n: any) => AsyncGenerator<number, void, unknown>
+>n : any
+
+    for (let i = 0; i < n; i++)
+>i : number
+>0 : 0
+>i < n : boolean
+>i : number
+>n : any
+>i++ : number
+>i : number
+
+      yield i * 2;
+>yield i * 2 : any
+>i * 2 : number
+>i : number
+>2 : 2
+  }
+
+function * genPromises (n) {
+>genPromises : (n: any) => Generator<Promise<number>, void, unknown>
+>n : any
+
+    for (let i = 0; i < n; i++) {
+>i : number
+>0 : 0
+>i < n : boolean
+>i : number
+>n : any
+>i++ : number
+>i : number
+
+        yield Promise.resolve(i * 2);
+>yield Promise.resolve(i * 2) : any
+>Promise.resolve(i * 2) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>i * 2 : number
+>i : number
+>2 : 2
+    }
+}
+  
+const arrLike = {
+>arrLike : { 0: Promise<number>; 1: Promise<number>; 2: Promise<number>; 3: Promise<number>; length: number; }
+>{    0: Promise.resolve(0),    1: Promise.resolve(2),    2: Promise.resolve(4),    3: Promise.resolve(6),    length: 4,} : { 0: Promise<number>; 1: Promise<number>; 2: Promise<number>; 3: Promise<number>; length: number; }
+
+    0: Promise.resolve(0),
+>0 : Promise<number>
+>Promise.resolve(0) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>0 : 0
+
+    1: Promise.resolve(2),
+>1 : Promise<number>
+>Promise.resolve(2) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>2 : 2
+
+    2: Promise.resolve(4),
+>2 : Promise<number>
+>Promise.resolve(4) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>4 : 4
+
+    3: Promise.resolve(6),
+>3 : Promise<number>
+>Promise.resolve(6) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>6 : 6
+
+    length: 4,
+>length : number
+>4 : 4
+}
+
+const arr : number[] = [];
+>arr : number[]
+>[] : undefined[]
+
+for await (const v of asyncGen(4)) {
+>v : number
+>asyncGen(4) : AsyncGenerator<number, void, unknown>
+>asyncGen : (n: any) => AsyncGenerator<number, void, unknown>
+>4 : 4
+
+  arr.push(v);
+>arr.push(v) : number
+>arr.push : (...items: number[]) => number
+>arr : number[]
+>push : (...items: number[]) => number
+>v : number
+}
+
+const sameArr1 = await Array.fromAsync(arrLike);
+>sameArr1 : number[]
+>await Array.fromAsync(arrLike) : number[]
+>Array.fromAsync(arrLike) : Promise<number[]>
+>Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array : ArrayConstructor
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>arrLike : { 0: Promise<number>; 1: Promise<number>; 2: Promise<number>; 3: Promise<number>; length: number; }
+
+const sameArr2 = await Array.fromAsync([Promise.resolve(0), Promise.resolve(2), Promise.resolve(4), Promise.resolve(6)]);
+>sameArr2 : number[]
+>await Array.fromAsync([Promise.resolve(0), Promise.resolve(2), Promise.resolve(4), Promise.resolve(6)]) : number[]
+>Array.fromAsync([Promise.resolve(0), Promise.resolve(2), Promise.resolve(4), Promise.resolve(6)]) : Promise<number[]>
+>Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array : ArrayConstructor
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>[Promise.resolve(0), Promise.resolve(2), Promise.resolve(4), Promise.resolve(6)] : Promise<number>[]
+>Promise.resolve(0) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>0 : 0
+>Promise.resolve(2) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>2 : 2
+>Promise.resolve(4) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>4 : 4
+>Promise.resolve(6) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>6 : 6
+
+const sameArr3 = await Array.fromAsync(genPromises(4));
+>sameArr3 : number[]
+>await Array.fromAsync(genPromises(4)) : number[]
+>Array.fromAsync(genPromises(4)) : Promise<number[]>
+>Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array : ArrayConstructor
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>genPromises(4) : Generator<Promise<number>, void, unknown>
+>genPromises : (n: any) => Generator<Promise<number>, void, unknown>
+>4 : 4
+
+const sameArr4 = await Array.fromAsync(asyncGen(4));
+>sameArr4 : number[]
+>await Array.fromAsync(asyncGen(4)) : number[]
+>Array.fromAsync(asyncGen(4)) : Promise<number[]>
+>Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array : ArrayConstructor
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>asyncGen(4) : AsyncGenerator<number, void, unknown>
+>asyncGen : (n: any) => AsyncGenerator<number, void, unknown>
+>4 : 4
+
+function Data (n) {}
+>Data : typeof Data
+>n : any
+
+Data.fromAsync = Array.fromAsync;
+>Data.fromAsync = Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Data.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Data : typeof Data
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array : ArrayConstructor
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+
+const sameArr5 = await Data.fromAsync(asyncGen(4));
+>sameArr5 : number[]
+>await Data.fromAsync(asyncGen(4)) : number[]
+>Data.fromAsync(asyncGen(4)) : Promise<number[]>
+>Data.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Data : typeof Data
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>asyncGen(4) : AsyncGenerator<number, void, unknown>
+>asyncGen : (n: any) => AsyncGenerator<number, void, unknown>
+>4 : 4
+
+const mapArr1 = await Array.fromAsync(asyncGen(4), v => v ** 2);
+>mapArr1 : number[]
+>await Array.fromAsync(asyncGen(4), v => v ** 2) : number[]
+>Array.fromAsync(asyncGen(4), v => v ** 2) : Promise<number[]>
+>Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array : ArrayConstructor
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>asyncGen(4) : AsyncGenerator<number, void, unknown>
+>asyncGen : (n: any) => AsyncGenerator<number, void, unknown>
+>4 : 4
+>v => v ** 2 : (v: number) => number
+>v : number
+>v ** 2 : number
+>v : number
+>2 : 2
+
+const mapArr2 = await Array.fromAsync([0,2,4,6], v => Promise.resolve(v ** 2));
+>mapArr2 : number[]
+>await Array.fromAsync([0,2,4,6], v => Promise.resolve(v ** 2)) : number[]
+>Array.fromAsync([0,2,4,6], v => Promise.resolve(v ** 2)) : Promise<number[]>
+>Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array : ArrayConstructor
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>[0,2,4,6] : number[]
+>0 : 0
+>2 : 2
+>4 : 4
+>6 : 6
+>v => Promise.resolve(v ** 2) : (v: number) => Promise<number>
+>v : number
+>Promise.resolve(v ** 2) : Promise<number>
+>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>Promise : PromiseConstructor
+>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T_1>(value: T_1 | PromiseLike<T_1>): Promise<Awaited<T_1>>; }
+>v ** 2 : number
+>v : number
+>2 : 2
+
+const mapArr3 = await Array.fromAsync([0,2,4,6], v => v ** 2);
+>mapArr3 : number[]
+>await Array.fromAsync([0,2,4,6], v => v ** 2) : number[]
+>Array.fromAsync([0,2,4,6], v => v ** 2) : Promise<number[]>
+>Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array : ArrayConstructor
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>[0,2,4,6] : number[]
+>0 : 0
+>2 : 2
+>4 : 4
+>6 : 6
+>v => v ** 2 : (v: number) => number
+>v : number
+>v ** 2 : number
+>v : number
+>2 : 2
+
+const err = new Error;
+>err : Error
+>new Error : Error
+>Error : ErrorConstructor
+
+const badIterable = { [Symbol.iterator] () { throw err; } };
+>badIterable : { [Symbol.iterator](): never; }
+>{ [Symbol.iterator] () { throw err; } } : { [Symbol.iterator](): never; }
+>[Symbol.iterator] : () => never
+>Symbol.iterator : unique symbol
+>Symbol : SymbolConstructor
+>iterator : unique symbol
+>err : Error
+
+// This returns a promise that will reject with `err`.
+const badArray = await Array.fromAsync(badIterable);
+>badArray : unknown[]
+>await Array.fromAsync(badIterable) : unknown[]
+>Array.fromAsync(badIterable) : Promise<unknown[]>
+>Array.fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>Array : ArrayConstructor
+>fromAsync : { <T>(iterableOrArrayLike: AsyncIterable<T> | Iterable<T | PromiseLike<T>> | ArrayLike<T | PromiseLike<T>>): Promise<T[]>; <T_1, U>(iterableOrArrayLike: AsyncIterable<T_1> | Iterable<T_1> | ArrayLike<T_1>, mapFn: (value: Awaited<T_1>) => U, thisArg?: any): Promise<Awaited<U>[]>; }
+>badIterable : { [Symbol.iterator](): never; }
+

tests/baselines/reference/bundlerDirectoryModule(moduleresolution=bundler).trace.json

@@ -902,6 +902,19 @@
     "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/bundlerDirectoryModule(moduleresolution=nodenext).trace.json

@@ -1044,6 +1044,21 @@
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
     "File '/.ts/package.json' does not exist according to earlier cached lookups.",
     "File '/package.json' does not exist according to earlier cached lookups.",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
+    "File '/.ts/package.json' does not exist according to earlier cached lookups.",
+    "File '/package.json' does not exist according to earlier cached lookups.",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/modulePreserve2.trace.json

@@ -851,6 +851,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/modulePreserve3.trace.json

@@ -782,6 +782,17 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/nodeModulesExportsBlocksTypesVersions(module=nodenext).trace.json

@@ -1160,6 +1160,20 @@
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
     "File '/.ts/package.json' does not exist according to earlier cached lookups.",
     "File '/package.json' does not exist according to earlier cached lookups.",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
+    "File '/.ts/package.json' does not exist according to earlier cached lookups.",
+    "File '/package.json' does not exist according to earlier cached lookups.",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/nodeModulesPackageImports(module=nodenext).trace.json

@@ -1103,6 +1103,21 @@
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
     "File '/.ts/package.json' does not exist according to earlier cached lookups.",
     "File '/package.json' does not exist according to earlier cached lookups.",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
+    "File '/.ts/package.json' does not exist according to earlier cached lookups.",
+    "File '/package.json' does not exist according to earlier cached lookups.",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/nodeModulesPackagePatternExportsTrailers(module=nodenext).trace.json

@@ -1142,6 +1142,20 @@
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
     "File '/.ts/package.json' does not exist according to earlier cached lookups.",
     "File '/package.json' does not exist according to earlier cached lookups.",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
+    "File '/.ts/package.json' does not exist according to earlier cached lookups.",
+    "File '/package.json' does not exist according to earlier cached lookups.",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/reactJsxReactResolvedNodeNext.trace.json

@@ -937,6 +937,19 @@
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
     "File '/.ts/package.json' does not exist according to earlier cached lookups.",
     "File '/package.json' does not exist according to earlier cached lookups.",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
+    "File '/.ts/package.json' does not exist according to earlier cached lookups.",
+    "File '/package.json' does not exist according to earlier cached lookups.",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/reactJsxReactResolvedNodeNextEsm.trace.json

@@ -937,6 +937,19 @@
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
     "File '/.ts/package.json' does not exist according to earlier cached lookups.",
     "File '/package.json' does not exist according to earlier cached lookups.",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
+    "File '/.ts/package.json' does not exist according to earlier cached lookups.",
+    "File '/package.json' does not exist according to earlier cached lookups.",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/tsc/runWithoutArgs/does-not-add-color-when-NO_COLOR-is-set.js

@@ -111,7 +111,7 @@ default: undefined
 
 --lib
 Specify a set of bundled library declaration files that describe the target runtime environment.
-one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, dom.asynciterable, webworker, webworker.importscripts, webworker.iterable, webworker.asynciterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, es2023.collection, es2023.intl, esnext.collection, esnext.intl, esnext.disposable, esnext.promise, esnext.decorators, esnext.object, esnext.regexp, decorators, decorators.legacy
+one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, dom.asynciterable, webworker, webworker.importscripts, webworker.iterable, webworker.asynciterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array, es2023.collection, es2023.intl, esnext.array, esnext.collection, esnext.intl, esnext.disposable, esnext.promise, esnext.decorators, esnext.object, esnext.regexp, decorators, decorators.legacy
 default: undefined
 
 --allowJs

tests/baselines/reference/tsc/runWithoutArgs/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped-when-host-can't-provide-terminal-width.js

@@ -111,7 +111,7 @@ default: undefined
 
 --lib
 Specify a set of bundled library declaration files that describe the target runtime environment.
-one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, dom.asynciterable, webworker, webworker.importscripts, webworker.iterable, webworker.asynciterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, es2023.collection, es2023.intl, esnext.collection, esnext.intl, esnext.disposable, esnext.promise, esnext.decorators, esnext.object, esnext.regexp, decorators, decorators.legacy
+one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, dom.asynciterable, webworker, webworker.importscripts, webworker.iterable, webworker.asynciterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array, es2023.collection, es2023.intl, esnext.array, esnext.collection, esnext.intl, esnext.disposable, esnext.promise, esnext.decorators, esnext.object, esnext.regexp, decorators, decorators.legacy
 default: undefined
 
 --allowJs

tests/baselines/reference/tsc/runWithoutArgs/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js

@@ -111,7 +111,7 @@ default: undefined
 
 --lib
 Specify a set of bundled library declaration files that describe the target runtime environment.
-one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, dom.asynciterable, webworker, webworker.importscripts, webworker.iterable, webworker.asynciterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, es2023.collection, es2023.intl, esnext.collection, esnext.intl, esnext.disposable, esnext.promise, esnext.decorators, esnext.object, esnext.regexp, decorators, decorators.legacy
+one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, dom.asynciterable, webworker, webworker.importscripts, webworker.iterable, webworker.asynciterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array, es2023.collection, es2023.intl, esnext.array, esnext.collection, esnext.intl, esnext.disposable, esnext.promise, esnext.decorators, esnext.object, esnext.regexp, decorators, decorators.legacy
 default: undefined
 
 --allowJs

tests/baselines/reference/typesVersions.ambientModules.trace.json

@@ -887,6 +887,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersions.emptyTypes.trace.json

@@ -904,6 +904,19 @@
     "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersions.justIndex.trace.json

@@ -904,6 +904,19 @@
     "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersions.multiFile.trace.json

@@ -848,6 +848,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersionsDeclarationEmit.ambient.trace.json

@@ -887,6 +887,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersionsDeclarationEmit.multiFile.trace.json

@@ -848,6 +848,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersionsDeclarationEmit.multiFileBackReferenceToSelf.trace.json

@@ -870,6 +870,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersionsDeclarationEmit.multiFileBackReferenceToUnmapped.trace.json

@@ -854,6 +854,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-esnext/collection' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-esnext/array' from '/.src/__lib_node_modules_lookup_lib.esnext.array.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-esnext/array'",
+    "Loading module '@typescript/lib-esnext/array' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-esnext/array' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/regexp' from '/.src/__lib_node_modules_lookup_lib.esnext.regexp.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/regexp' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/cases/compiler/arrayFromAsync.ts

@@ -0,0 +1,45 @@
+// @module: esnext
+// @target: esnext
+
+export { };
+async function * asyncGen (n) {
+    for (let i = 0; i < n; i++)
+      yield i * 2;
+  }
+
+function * genPromises (n) {
+    for (let i = 0; i < n; i++) {
+        yield Promise.resolve(i * 2);
+    }
+}
+  
+const arrLike = {
+    0: Promise.resolve(0),
+    1: Promise.resolve(2),
+    2: Promise.resolve(4),
+    3: Promise.resolve(6),
+    length: 4,
+}
+
+const arr : number[] = [];
+for await (const v of asyncGen(4)) {
+  arr.push(v);
+}
+
+const sameArr1 = await Array.fromAsync(arrLike);
+const sameArr2 = await Array.fromAsync([Promise.resolve(0), Promise.resolve(2), Promise.resolve(4), Promise.resolve(6)]);
+const sameArr3 = await Array.fromAsync(genPromises(4));
+const sameArr4 = await Array.fromAsync(asyncGen(4));
+
+function Data (n) {}
+Data.fromAsync = Array.fromAsync;
+const sameArr5 = await Data.fromAsync(asyncGen(4));
+
+const mapArr1 = await Array.fromAsync(asyncGen(4), v => v ** 2);
+const mapArr2 = await Array.fromAsync([0,2,4,6], v => Promise.resolve(v ** 2));
+const mapArr3 = await Array.fromAsync([0,2,4,6], v => v ** 2);
+
+const err = new Error;
+const badIterable = { [Symbol.iterator] () { throw err; } };
+// This returns a promise that will reject with `err`.
+const badArray = await Array.fromAsync(badIterable);