microsoft · kamalkarki111 · Jun 26, 2026
diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
diff --git a/src/lib/esnext.d.ts b/src/lib/esnext.d.ts
@@ -1,11 +1,12 @@
-/// <reference lib="es2025" />
-/// <reference lib="esnext.intl" />
-/// <reference lib="esnext.collection" />
-/// <reference lib="esnext.decorators" />
-/// <reference lib="esnext.disposable" />
-/// <reference lib="esnext.array" />
-/// <reference lib="esnext.error" />
-/// <reference lib="esnext.sharedmemory" />
-/// <reference lib="esnext.typedarrays" />
-/// <reference lib="esnext.temporal" />
-/// <reference lib="esnext.date" />
+/// <reference lib="es2025" />
+/// <reference lib="esnext.intl" />
+/// <reference lib="esnext.collection" />
+/// <reference lib="esnext.decorators" />
+/// <reference lib="esnext.disposable" />
+/// <reference lib="esnext.array" />
+/// <reference lib="esnext.error" />
+/// <reference lib="esnext.sharedmemory" />
+/// <reference lib="esnext.typedarrays" />
+/// <reference lib="esnext.temporal" />
+/// <reference lib="esnext.date" />
+/// <reference lib="esnext.math" />
diff --git a/src/lib/esnext.math.d.ts b/src/lib/esnext.math.d.ts
@@ -0,0 +1,14 @@
+/// <reference lib="es2015.iterable" />
+
+interface Math {
+    /**
+     * Returns the sum of the values in the iterable using a more precise
+     * summation algorithm than naive floating-point addition.
+     * Returns `-0` if the iterable is empty.
+     * @param numbers An iterable (such as an Array) of numbers.
+     * @throws {TypeError} If `numbers` is not iterable, or if any value in the iterable is not of type `number`.
+     * @throws {RangeError} If the iterable yields 2^53 or more values.
+     * @see https://tc39.es/proposal-math-sum/
+     */
+    sumPrecise(numbers: Iterable<number>): number;
+}
diff --git a/src/lib/libs.json b/src/lib/libs.json
@@ -1,126 +1,127 @@
-{
-    "libs": [
-        // JavaScript only
-        "es5",
-        "es2015",
-        "es2016",
-        "es2017",
-        "es2018",
-        "es2019",
-        "es2020",
-        "es2021",
-        "es2022",
-        "es2023",
-        "es2024",
-        "es2025",
-        "esnext",
-        // Host only
-        "dom.generated",
-        "dom.iterable.generated",
-        "dom.asynciterable.generated",
-        "webworker.generated",
-        "webworker.importscripts",
-        "webworker.iterable.generated",
-        "webworker.asynciterable.generated",
-        "scripthost",
-        // By-feature options
-        "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.arraybuffer",
-        "es2017.date",
-        "es2017.object",
-        "es2017.sharedmemory",
-        "es2017.string",
-        "es2017.intl",
-        "es2017.typedarrays",
-        "es2018.asyncgenerator",
-        "es2018.asynciterable",
-        "es2018.regexp",
-        "es2018.promise",
-        "es2018.intl",
-        "es2019.array",
-        "es2019.object",
-        "es2019.string",
-        "es2019.symbol",
-        "es2019.intl",
-        "es2020.bigint",
-        "es2020.date",
-        "es2020.promise",
-        "es2020.sharedmemory",
-        "es2020.string",
-        "es2020.symbol.wellknown",
-        "es2020.intl",
-        "es2020.number",
-        "es2021.string",
-        "es2021.promise",
-        "es2021.weakref",
-        "es2021.intl",
-        "es2022.array",
-        "es2022.error",
-        "es2022.intl",
-        "es2022.object",
-        "es2022.string",
-        "es2022.regexp",
-        "es2023.array",
-        "es2023.collection",
-        "es2023.intl",
-        "es2024.arraybuffer",
-        "es2024.collection",
-        "es2024.object",
-        "es2024.promise",
-        "es2024.regexp",
-        "es2024.sharedmemory",
-        "es2024.string",
-        "es2025.collection",
-        "es2025.float16",
-        "es2025.intl",
-        "es2025.iterator",
-        "es2025.promise",
-        "es2025.regexp",
-        "esnext.array",
-        "esnext.collection",
-        "esnext.date",
-        "esnext.decorators",
-        "esnext.disposable",
-        "esnext.error",
-        "esnext.intl",
-        "esnext.sharedmemory",
-        "esnext.temporal",
-        "esnext.typedarrays",
-        "decorators",
-        "decorators.legacy",
-        // Default libraries
-        "es5.full",
-        "es2015.full",
-        "es2016.full",
-        "es2017.full",
-        "es2018.full",
-        "es2019.full",
-        "es2020.full",
-        "es2021.full",
-        "es2022.full",
-        "es2023.full",
-        "es2024.full",
-        "es2025.full",
-        "esnext.full"
-    ],
-    "paths": {
-        "dom.generated": "lib.dom.d.ts",
-        "dom.iterable.generated": "lib.dom.iterable.d.ts",
-        "dom.asynciterable.generated": "lib.dom.asynciterable.d.ts",
-        "webworker.generated": "lib.webworker.d.ts",
-        "webworker.iterable.generated": "lib.webworker.iterable.d.ts",
-        "webworker.asynciterable.generated": "lib.webworker.asynciterable.d.ts",
-        "es5.full": "lib.d.ts",
-        "es2015.full": "lib.es6.d.ts"
-    }
-}
+{
+    "libs": [
+        // JavaScript only
+        "es5",
+        "es2015",
+        "es2016",
+        "es2017",
+        "es2018",
+        "es2019",
+        "es2020",
+        "es2021",
+        "es2022",
+        "es2023",
+        "es2024",
+        "es2025",
+        "esnext",
+        // Host only
+        "dom.generated",
+        "dom.iterable.generated",
+        "dom.asynciterable.generated",
+        "webworker.generated",
+        "webworker.importscripts",
+        "webworker.iterable.generated",
+        "webworker.asynciterable.generated",
+        "scripthost",
+        // By-feature options
+        "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.arraybuffer",
+        "es2017.date",
+        "es2017.object",
+        "es2017.sharedmemory",
+        "es2017.string",
+        "es2017.intl",
+        "es2017.typedarrays",
+        "es2018.asyncgenerator",
+        "es2018.asynciterable",
+        "es2018.regexp",
+        "es2018.promise",
+        "es2018.intl",
+        "es2019.array",
+        "es2019.object",
+        "es2019.string",
+        "es2019.symbol",
+        "es2019.intl",
+        "es2020.bigint",
+        "es2020.date",
+        "es2020.promise",
+        "es2020.sharedmemory",
+        "es2020.string",
+        "es2020.symbol.wellknown",
+        "es2020.intl",
+        "es2020.number",
+        "es2021.string",
+        "es2021.promise",
+        "es2021.weakref",
+        "es2021.intl",
+        "es2022.array",
+        "es2022.error",
+        "es2022.intl",
+        "es2022.object",
+        "es2022.string",
+        "es2022.regexp",
+        "es2023.array",
+        "es2023.collection",
+        "es2023.intl",
+        "es2024.arraybuffer",
+        "es2024.collection",
+        "es2024.object",
+        "es2024.promise",
+        "es2024.regexp",
+        "es2024.sharedmemory",
+        "es2024.string",
+        "es2025.collection",
+        "es2025.float16",
+        "es2025.intl",
+        "es2025.iterator",
+        "es2025.promise",
+        "es2025.regexp",
+        "esnext.array",
+        "esnext.math",
+        "esnext.collection",
+        "esnext.date",
+        "esnext.decorators",
+        "esnext.disposable",
+        "esnext.error",
+        "esnext.intl",
+        "esnext.sharedmemory",
+        "esnext.temporal",
+        "esnext.typedarrays",
+        "decorators",
+        "decorators.legacy",
+        // Default libraries
+        "es5.full",
+        "es2015.full",
+        "es2016.full",
+        "es2017.full",
+        "es2018.full",
+        "es2019.full",
+        "es2020.full",
+        "es2021.full",
+        "es2022.full",
+        "es2023.full",
+        "es2024.full",
+        "es2025.full",
+        "esnext.full"
+    ],
+    "paths": {
+        "dom.generated": "lib.dom.d.ts",
+        "dom.iterable.generated": "lib.dom.iterable.d.ts",
+        "dom.asynciterable.generated": "lib.dom.asynciterable.d.ts",
+        "webworker.generated": "lib.webworker.d.ts",
+        "webworker.iterable.generated": "lib.webworker.iterable.d.ts",
+        "webworker.asynciterable.generated": "lib.webworker.asynciterable.d.ts",
+        "es5.full": "lib.d.ts",
+        "es2015.full": "lib.es6.d.ts"
+    }
+}
diff --git a/...ference/config/commandLineParsing/parseCommandLine/Parse --lib option with extra comma.js b/...ference/config/commandLineParsing/parseCommandLine/Parse --lib option with extra comma.js
diff --git a/...onfig/commandLineParsing/parseCommandLine/Parse --lib option with trailing white-space.js b/...onfig/commandLineParsing/parseCommandLine/Parse --lib option with trailing white-space.js
diff --git a/...rence/config/commandLineParsing/parseCommandLine/Parse invalid option of library flags.js b/...rence/config/commandLineParsing/parseCommandLine/Parse invalid option of library flags.js