acornjs · Nov 11, 2022 · Nov 27, 2022 · Dec 6, 2022 · Dec 15, 2022 · Dec 15, 2022
diff --git a/AUTHORS b/AUTHORS
@@ -18,6 +18,7 @@ Bradley Heinz
 Brandon Mills
 Brett Zamir
 Brian Donovan
+Brian Orora
 bvanjoi
 Charles Hughes
 Charmander
@@ -31,6 +32,7 @@ daychongyang
 dnalborczyk
 Domenico Matteo
 ehmicky
+elixiao
 ericrannaud
 Eugene Obrezkov
 Fabien LOISON

diff --git a/acorn-loose/rollup.config.js → acorn-loose/rollup.config.mjs b/acorn-loose/rollup.config.js → acorn-loose/rollup.config.mjs
diff --git a/acorn-walk/README.md b/acorn-walk/README.md
@@ -68,7 +68,7 @@ const acorn = require("acorn")
 const walk = require("acorn-walk")
 
 walk.ancestor(acorn.parse("foo('hi')"), {
-  Literal(_, ancestors) {
+  Literal(_node, _state, ancestors) {
     console.log("This literal's ancestors are:", ancestors.map(n => n.type))
   }
 })

diff --git a/acorn-walk/rollup.config.js → acorn-walk/rollup.config.mjs b/acorn-walk/rollup.config.js → acorn-walk/rollup.config.mjs
diff --git a/acorn/CHANGELOG.md b/acorn/CHANGELOG.md
@@ -1,3 +1,13 @@
+## 8.8.2 (2023-01-23)
+
+### Bug fixes
+
+Fix a bug that caused `allowHashBang` to be set to false when not provided, even with `ecmaVersion >= 14`.
+
+Fix an exception when passing no option object to `parse` or `new Parser`.
+
+Fix incorrect parse error on `if (0) let\n[astral identifier char]`.
+
 ## 8.8.1 (2022-10-24)
 
 ### Bug fixes

diff --git a/acorn/dist/acorn.d.ts b/acorn/dist/acorn.d.ts
@@ -11,7 +11,7 @@ declare namespace acorn {
     [Symbol.iterator](): Iterator<Token>
   }
 
-  type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 'latest'
+  type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 'latest'
 
   interface Options {
     ecmaVersion: ecmaVersion

diff --git a/acorn/package.json b/acorn/package.json
@@ -16,7 +16,7 @@
     ],
     "./package.json": "./package.json"
   },
-  "version": "8.8.1",
+  "version": "8.8.2",
   "engines": {
     "node": ">=0.4.0"
   },

diff --git a/acorn/rollup.config.js → acorn/rollup.config.mjs b/acorn/rollup.config.js → acorn/rollup.config.mjs
diff --git a/acorn/src/expression.js b/acorn/src/expression.js
@@ -774,7 +774,7 @@ pp.parseProperty = function(isPattern, refDestructuringErrors) {
   if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) {
     isAsync = true
     isGenerator = this.options.ecmaVersion >= 9 && this.eat(tt.star)
-    this.parsePropertyName(prop, refDestructuringErrors)
+    this.parsePropertyName(prop)
   } else {
     isAsync = false
   }
@@ -1011,7 +1011,7 @@ pp.checkUnreserved = function({start, end, name}) {
 // when parsing properties), it will also convert keywords into
 // identifiers.
 
-pp.parseIdent = function(liberal, isBinding) {
+pp.parseIdent = function(liberal) {
   let node = this.startNode()
   if (this.type === tt.name) {
     node.name = this.value

diff --git a/acorn/src/generated/astralIdentifierCodes.js b/acorn/src/generated/astralIdentifierCodes.js
diff --git a/acorn/src/generated/astralIdentifierStartCodes.js b/acorn/src/generated/astralIdentifierStartCodes.js
diff --git a/acorn/src/generated/nonASCIIidentifierChars.js b/acorn/src/generated/nonASCIIidentifierChars.js
diff --git a/acorn/src/identifier.js b/acorn/src/identifier.js
@@ -49,6 +49,7 @@ function isInAstralSet(code, set) {
     pos += set[i + 1]
     if (pos >= code) return true
   }
+  return false
 }
 
 // Test whether a given character code starts an identifier.

diff --git a/acorn/src/index.js b/acorn/src/index.js
@@ -31,7 +31,7 @@ import {isIdentifierChar, isIdentifierStart} from "./identifier.js"
 import {Token} from "./tokenize.js"
 import {isNewLine, lineBreak, lineBreakG, nonASCIIwhitespace} from "./whitespace.js"
 
-export const version = "8.8.1"
+export const version = "8.8.2"
 export {
   Parser,
   defaultOptions,

diff --git a/acorn/src/options.js b/acorn/src/options.js
@@ -121,7 +121,7 @@ export function getOptions(opts) {
   if (options.allowReserved == null)
     options.allowReserved = options.ecmaVersion < 5
 
-  if (opts.allowHashBang == null)
+  if (!opts || opts.allowHashBang == null)
     options.allowHashBang = options.ecmaVersion >= 14
 
   if (isArray(options.onToken)) {

diff --git a/acorn/src/regexp.js b/acorn/src/regexp.js
@@ -9,7 +9,7 @@ export class RegExpValidationState {
   constructor(parser) {
     this.parser = parser
     this.validFlags = `gim${parser.options.ecmaVersion >= 6 ? "uy" : ""}${parser.options.ecmaVersion >= 9 ? "s" : ""}${parser.options.ecmaVersion >= 13 ? "d" : ""}`
-    this.unicodeProperties = UNICODE_PROPERTY_VALUES[parser.options.ecmaVersion >= 13 ? 13 : parser.options.ecmaVersion]
+    this.unicodeProperties = UNICODE_PROPERTY_VALUES[parser.options.ecmaVersion >= 14 ? 14 : parser.options.ecmaVersion]
     this.source = ""
     this.flags = ""
     this.start = 0

diff --git a/acorn/src/statement.js b/acorn/src/statement.js
@@ -42,10 +42,10 @@ pp.isLet = function(context) {
   // Statement) is allowed here. If context is not empty then only a Statement
   // is allowed. However, `let [` is an explicit negative lookahead for
   // ExpressionStatement, so special-case it first.
-  if (nextCh === 91 || nextCh === 92 || nextCh > 0xd7ff && nextCh < 0xdc00) return true // '[', '/', astral
+  if (nextCh === 91 || nextCh === 92) return true // '[', '/'
   if (context) return false
 
-  if (nextCh === 123) return true // '{'
+  if (nextCh === 123 || nextCh > 0xd7ff && nextCh < 0xdc00) return true // '{', astral
   if (isIdentifierStart(nextCh, true)) {
     let pos = next + 1
     while (isIdentifierChar(nextCh = this.input.charCodeAt(pos), true)) ++pos
@@ -773,7 +773,7 @@ pp.parseClassId = function(node, isStatement) {
 }
 
 pp.parseClassSuper = function(node) {
-  node.superClass = this.eat(tt._extends) ? this.parseExprSubscripts(false) : null
+  node.superClass = this.eat(tt._extends) ? this.parseExprSubscripts(null, false) : null
 }
 
 pp.enterClassBody = function() {

diff --git a/acorn/src/tokenize.js b/acorn/src/tokenize.js
@@ -718,8 +718,6 @@ pp.readEscapedChar = function(inTemplate) {
         codePos,
         "Invalid escape sequence in template string"
       )
-
-      return null
     }
   default:
     if (ch >= 48 && ch <= 55) {

diff --git a/acorn/src/unicode-property-data.js b/acorn/src/unicode-property-data.js
@@ -1,7 +1,7 @@
 import {wordsRegexp} from "./util.js"
 
-// This file contains Unicode properties extracted from the ECMAScript
-// specification. The lists are extracted like so:
+// This file contains Unicode properties extracted from the ECMAScript specification.
+// The lists are extracted like so:
 // $$('#table-binary-unicode-properties > figure > table > tbody > tr > td:nth-child(1) code').map(el => el.innerText)
 
 // #table-binary-unicode-properties
@@ -10,12 +10,15 @@ const ecma10BinaryProperties = ecma9BinaryProperties + " Extended_Pictographic"
 const ecma11BinaryProperties = ecma10BinaryProperties
 const ecma12BinaryProperties = ecma11BinaryProperties + " EBase EComp EMod EPres ExtPict"
 const ecma13BinaryProperties = ecma12BinaryProperties
+const ecma14BinaryProperties = ecma13BinaryProperties
+
 const unicodeBinaryProperties = {
   9: ecma9BinaryProperties,
   10: ecma10BinaryProperties,
   11: ecma11BinaryProperties,
   12: ecma12BinaryProperties,
-  13: ecma13BinaryProperties
+  13: ecma13BinaryProperties,
+  14: ecma14BinaryProperties
 }
 
 // #table-unicode-general-category-values
@@ -27,12 +30,15 @@ const ecma10ScriptValues = ecma9ScriptValues + " Dogra Dogr Gunjala_Gondi Gong H
 const ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"
 const ecma12ScriptValues = ecma11ScriptValues + " Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi"
 const ecma13ScriptValues = ecma12ScriptValues + " Cypro_Minoan Cpmn Old_Uyghur Ougr Tangsa Tnsa Toto Vithkuqi Vith"
+const ecma14ScriptValues = ecma13ScriptValues + " Kawi Nag_Mundari Nagm"
+
 const unicodeScriptValues = {
   9: ecma9ScriptValues,
   10: ecma10ScriptValues,
   11: ecma11ScriptValues,
   12: ecma12ScriptValues,
-  13: ecma13ScriptValues
+  13: ecma13ScriptValues,
+  14: ecma14ScriptValues
 }
 
 const data = {}
@@ -51,7 +57,7 @@ function buildUnicodeData(ecmaVersion) {
   d.nonBinary.scx = d.nonBinary.Script_Extensions
 }
 
-for (const ecmaVersion of [9, 10, 11, 12, 13]) {
+for (const ecmaVersion of [9, 10, 11, 12, 13, 14]) {
   buildUnicodeData(ecmaVersion)
 }
 

diff --git a/bin/run_test262.js b/bin/run_test262.js
@@ -10,7 +10,7 @@ function loadList(filename) {
 }
 
 run(
-  (content, {sourceType}) => parse(content, {sourceType, ecmaVersion: 13, allowHashBang: true, allowAwaitOutsideFunction: sourceType === "module"}),
+  (content, {sourceType}) => parse(content, {sourceType, ecmaVersion: "latest"}),
   {
     testsDirectory: path.dirname(require.resolve("test262/package.json")),
     skip: test => test.attrs.features &&

diff --git a/bin/test262.unsupported-features b/bin/test262.unsupported-features
@@ -1,3 +1,4 @@
 decorators
 import-assertions
+regexp-duplicate-named-groups
 regexp-v-flag