acorn - npm Package Compare versions

Comparing version 8.14.1 to 8.15.0

CHANGELOG.md

@@ -0,1 +1,15 @@
+## 8.15.0 (2025-06-08)
+
+### New features
+
+Support `using` and `await using` syntax.
+
+The `AnyNode` type is now defined in such a way that plugins can extend it.
+
+### Bug fixes
+
+Fix an issue where the `bigint` property of literal nodes for non-decimal bigints had the wrong format.
+
+The `acorn` CLI tool no longer crashes when emitting a tree that contains a bigint.
+
 ## 8.14.1 (2025-03-05)
@@ -2,0 +16,0 @@

dist/acorn.d.ts

@@ -172,3 +172,3 @@ export interface Node {
   declarations: Array<VariableDeclarator>
-  kind: "var" | "let" | "const"
+  kind: "var" | "let" | "const" | "using" | "await using"
 }
@@ -576,4 +576,21 @@
 
-export type AnyNode = Statement | Expression | Declaration | ModuleDeclaration | Literal | Program | SwitchCase | CatchClause | Property | Super | SpreadElement | TemplateElement | AssignmentProperty | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | ClassBody | MethodDefinition | MetaProperty | ImportAttribute | ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier | AnonymousFunctionDeclaration | AnonymousClassDeclaration | PropertyDefinition | PrivateIdentifier | StaticBlock | VariableDeclarator
+/**
+  * This interface is only used for defining {@link AnyNode}.
+  * It exists so that it can be extended by plugins:
+  *
+  * @example
+  * ```typescript
+  * declare module 'acorn' {
+  *   interface NodeTypes {
+  *     pluginName: FirstNode | SecondNode | ThirdNode | ... | LastNode
+  *   }
+  * }
+  * ```
+  */
+interface NodeTypes {
+  core: Statement | Expression | Declaration | ModuleDeclaration | Literal | Program | SwitchCase | CatchClause | Property | Super | SpreadElement | TemplateElement | AssignmentProperty | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | ClassBody | MethodDefinition | MetaProperty | ImportAttribute | ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier | AnonymousFunctionDeclaration | AnonymousClassDeclaration | PropertyDefinition | PrivateIdentifier | StaticBlock | VariableDeclarator
+}
 
+export type AnyNode = NodeTypes[keyof NodeTypes]
+
 export function parse(input: string, options: Options): Program
@@ -588,3 +605,3 @@
 
-export type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | "latest"
+export type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | "latest"
 
@@ -591,0 +608,0 @@ export interface Options {

dist/bin.js

@@ -80,3 +80,3 @@ 'use strict';
   }
-  if (!silent) { console.log(JSON.stringify(result, null, compact ? null : 2)); }
+  if (!silent) { console.log(JSON.stringify(result, function (_, value) { return typeof value === "bigint" ? null : value; }, compact ? null : 2)); }
 }
@@ -83,0 +83,0 @@

package.json

@@ -19,3 +19,3 @@ {
   },
-  "version": "8.14.1",
+  "version": "8.15.0",
   "engines": {
@@ -22,0 +22,0 @@ "node": ">=0.4.0"

No alert changes

Improved metrics

Total package byte prevSize

554942

1.36%

Lines of code

11933

1.26%

No dependency changes