Fix remaining test fails

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 /.eslintcache
+/npm-debug.log
 /.tap
 /.vscode
 **/node_modules

package.json

@@ -58,6 +58,7 @@
     "husky": "^9.1.5",
     "knip": "^5.30.1",
     "normalize-package-data": "^6.0.2",
+    "npm-package-arg": "^11.0.3",
     "npm-run-all2": "^6.2.2",
     "oxlint": "^0.9.3",
     "packageurl-js": "^2.0.1",
@@ -66,7 +67,7 @@
     "tap": "^21.0.1",
     "tape": "^5.8.1",
     "tinyglobby": "^0.2.6",
-    "typescript": "5.6.2",
+    "typescript": "5.5.3",
     "typescript-eslint": "^8.5.0",
     "validate-npm-package-name": "^5.0.1",
     "which": "^4.0.0"

packages/npm/abab/index.d.ts

@@ -1,3 +1,4 @@
+/// <reference types="node" />
 declare interface Base64 {
   atob: typeof atob
   btoa: typeof btoa

packages/npm/array-includes/index.js

@@ -10,7 +10,9 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function includes(thisArg, searchElement, fromIndex = 0) {
-    return Reflect.apply(impl, thisArg, [searchElement, fromIndex])
+    return new.target
+      ? new impl()
+      : Reflect.apply(impl, thisArg, [searchElement, fromIndex])
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.from/index.js

@@ -10,7 +10,9 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function from(arrayLike, ...args) {
-    return Reflect.apply(impl, this || Array, [arrayLike, ...args])
+    return new.target
+      ? new impl()
+      : Reflect.apply(impl, this ?? Array, [arrayLike, ...args])
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.of/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function of(...args) {
-    return Reflect.apply(impl, this ?? Array, args)
+    return new.target ? new impl() : Reflect.apply(impl, this ?? Array, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.at/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function at(thisArg, index = 0) {
-    return Reflect.apply(impl, thisArg, [index])
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, [index])
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.every/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function every(thisArg, ...args) {
-    return Reflect.apply(impl, thisArg, args)
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.filter/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function filter(thisArg, ...args) {
-    return Reflect.apply(impl, thisArg, args)
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.find/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function find(thisArg, ...args) {
-    return Reflect.apply(impl, thisArg, args)
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.findlast/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function findLast(thisArg, ...args) {
-    return Reflect.apply(impl, thisArg, args)
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.findlastindex/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function findLastIndex(thisArg, ...args) {
-    return Reflect.apply(impl, thisArg, args)
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.flat/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function flat(thisArg, ...args) {
-    return Reflect.apply(impl, thisArg, args)
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.flatmap/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function flatMap(thisArg, ...args) {
-    return Reflect.apply(impl, thisArg, args)
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.foreach/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function forEach(thisArg, ...args) {
-    Reflect.apply(impl, thisArg, args)
+    new.target ? new impl(...args) : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.map/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function map(thisArg, ...args) {
-    return Reflect.apply(impl, thisArg, args)
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.reduce/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function reduce(thisArg, ...args) {
-    return Reflect.apply(impl, thisArg, args)
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, args)
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.toreversed/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function toReversed(thisArg) {
-    return Reflect.apply(impl, thisArg, [])
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, [])
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/array.prototype.tosorted/index.js

@@ -10,7 +10,9 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function toSorted(thisArg, compareFn) {
-    return Reflect.apply(impl, thisArg, [compareFn])
+    return new.target
+      ? impl(compareFn)
+      : Reflect.apply(impl, thisArg, [compareFn])
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/arraybuffer.prototype.slice/index.js

@@ -10,7 +10,7 @@ const desc = value => ({
 
 module.exports = Object.defineProperties(
   function slice(thisArg, start, end) {
-    return Reflect.apply(impl, thisArg, [start, end])
+    return new.target ? new impl() : Reflect.apply(impl, thisArg, [start, end])
   },
   {
     getPolyfill: desc(require('./polyfill')),

packages/npm/asynciterator.prototype/index.js

@@ -1,5 +1,20 @@
 'use strict'
 
-module.exports = Reflect.getPrototypeOf(
-  Reflect.getPrototypeOf(Reflect.getPrototypeOf((async function* () {})()))
+const asyncGeneratorProtoObj = Reflect.getPrototypeOf((async function* () {})())
+const AsyncGeneratorPrototype = Reflect.getPrototypeOf(asyncGeneratorProtoObj)
+const AsyncIteratorPrototype = Reflect.getPrototypeOf(AsyncGeneratorPrototype)
+
+// Add Symbol.iterator property because the shim incorrectly adds it too.
+// We at least make it non-enumerable.
+module.exports = Object.defineProperty(
+  AsyncIteratorPrototype,
+  Symbol.iterator,
+  {
+    __proto__: null,
+    configurable: true,
+    value: function () {
+      return this
+    },
+    writable: true
+  }
 )

packages/npm/available-typed-arrays/index.js

@@ -1,6 +1,6 @@
 'use strict'
 
-module.exports = [
+const allPossibleTypedArrays = [
   'Float32Array',
   'Float64Array',
   'Int8Array',
@@ -13,3 +13,7 @@ module.exports = [
   'BigInt64Array',
   'BigUint64Array'
 ]
+
+module.exports = function availableTypedArrays() {
+  return allPossibleTypedArrays.slice()
+}

packages/npm/date/Date.parse/auto.js

@@ -1 +1,3 @@
-/* empty */
+'use strict'
+
+require('./shim')()

packages/npm/date/Date.parse/implementation.js

@@ -1,3 +1,74 @@
 'use strict'
 
-module.exports = Date.parse
+const { parse: builtinParse } = Date
+const { floor } = Math
+
+// 15.9.1.15 Date Time String Format.
+// https://tc39.es/ecma262/#sec-date-time-string-format
+const yyyMmDdRegExp =
+  /^(?<yyyy>\d{4}|[+-]\d{6})(?:-(?<mm>\d{2})(?:-(?<dd>\d{2}))?)?/
+// const yyyMmDdRegExp = new RegExp('^'
+//   + '(\\d{4}|[+-]\\d{6})' // four-digit year capture or sign + 6-digit expanded year
+// 	 + '(?:-(\\d{2})' // optional month capture
+// 	 + '(?:-(\\d{2})' // optional day capture
+// 	 + ')?)?'
+// )
+
+// The cumulative day numbers for each month in a non-leap year.
+// For example:
+//   months[0] = 0: January starts at day 0.
+//   months[1] = 31: February starts on day 31 (i.e., after January’s 31 days).
+//   months[2] = 59: March starts on day 59 (31 days for January + 28 days for February).
+// These are the day offsets for each month, assuming a non-leap year.
+const months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365]
+
+// Calculates how many days have passed in a given year up to the specified month,
+// taking leap years into account.
+function dayFromMonth(year, month) {
+  // t is set to 1 if the month is greater than 1 (i.e., March or later) and 0
+  // if it’s January or February. This is done because leap years affect only
+  // months after February. If you are calculating for March or later, you need
+  // to check for leap years and adjust accordingly.
+  const t = month > 1 ? 1 : 0
+  // The formula accounting for leap years essentially sums up the number of
+  // days contributed by:
+  //   1.	The days from previous months in the same year (months[month]).
+  //   2.	The number of days contributed by leap years and the correction for
+  //      century years.
+  //   3.	The total number of days from all complete years between 1970 and the
+  //      specified year (365 * (year - 1970)).
+  return (
+    // Get the cumulative number of days for the given month.
+    months[month] +
+    // Count the number of leap years since 1970 (up to the specified year),
+    // because every 4th year is a leap year. The value of t ensures the leap
+    // year count is accurate if the month is March or later.
+    floor((year - 1969 + t) / 4) -
+    // Subtract the leap years that fall on century years (e.g. 1900, 2100),
+    // which are not leap years unless divisible by 400.
+    floor((year - 1901 + t) / 100) +
+    // Add back the leap years for centuries that are divisible by 400 (e.g. 1600, 2000),
+    // which are leap years.
+    floor((year - 1601 + t) / 400) +
+    // Account for the total number of days in all the non-leap years from 1970
+    // up to the given year. Each year adds 365 days (ignoring leap years initially).
+    365 * (year - 1970)
+  )
+}
+
+module.exports = function parse(dateString) {
+  // V8 (Chrome) and SpiderMonkey (Firefox) will parse dates like "2024-11-31"
+  // even though the month of November only has 30 days.
+  const match = yyyMmDdRegExp.exec(dateString)
+  if (match) {
+    const year = +match[1]
+    const month = +(match[2] ?? 1) - 1
+    const day = +(match[3] ?? 1) - 1
+    const daysInTheMonth =
+      dayFromMonth(year, month + 1) - dayFromMonth(year, month)
+    if (day >= daysInTheMonth) {
+      return NaN
+    }
+  }
+  return builtinParse(dateString)
+}

packages/npm/date/Date.parse/polyfill.js

@@ -3,5 +3,14 @@
 const impl = require('./implementation')
 
 module.exports = function getPolyfill() {
-  return impl
+  // V8 (Chrome) and SpiderMonkey (Firefox) will parse dates like "2024-11-31"
+  // even though the month of November only has 30 days. This is technically
+  // allowed by https://tc39.es/ecma262/#sec-date.parse:
+  // > If the String does not conform to that format the function may fall back
+  // > to any implementation-specific heuristics or implementation-specific date
+  // > formats. Strings that are unrecognizable or contain out-of-bounds format
+  // > element values shall cause this function to return NaN.
+  //
+  // However, we've opted to normalize it for cross-platform consistency.
+  return isNaN(Date.parse('2024-11-31')) ? Date.parse : impl
 }

packages/npm/date/Date.parse/shim.js

@@ -1,7 +1,17 @@
 'use strict'
 
-const impl = require('./implementation')
+const getPolyfill = require('./polyfill')
 
 module.exports = function shimDateParse() {
-  return impl
+  const polyfill = getPolyfill()
+  if (polyfill && Date.parse !== polyfill) {
+    Object.defineProperty(Date, 'parse', {
+      __proto__: null,
+      configurable: true,
+      enumerable: false,
+      value: polyfill,
+      writable: true
+    })
+  }
+  return polyfill
 }