babel: @babel/parser throw an error when parsing object shorthand property async get () after updating to version 7.11.1

index.js

export default {
  async get () {}
};

package.json

{
  "name": "babel-test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "dependencies": {},
  "devDependencies": {
    "@babel/cli": "^7.10.5",
    "@babel/core": "^7.10.3"
  },
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "babel": "babel index.js"
  },
  "author": "",
  "license": "ISC"
}

when running npm run babel, I got an error below

{ SyntaxError: /Users/icefox/Desktop/babel-test/index.js: Unexpected token (2:11)

  1 | export default {
> 2 |   async get () {}
    |             ^
  3 | };
    at Parser._raise (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:763:17)
    at Parser.raiseWithData (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:756:17)
    at Parser.raise (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:750:17)
    at Parser.unexpected (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:8930:16)
    at Parser.parseIdentifierName (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:11017:18)
    at Parser.parseIdentifier (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:10994:23)
    at Parser.parseMaybePrivateName (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:10311:19)
    at Parser.parsePropertyName (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:10795:155)
    at Parser.parsePropertyDefinition (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:10708:14)
    at Parser.parseObjectLike (/Users/icefox/Desktop/babel-test/node_modules/_@babel_parser@7.11.1@@babel/parser/lib/index.js:10612:25)
  loc: Position { line: 2, column: 11 },
  pos: 28,
  code: 'BABEL_PARSE_ERROR' }
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! babel-test@1.0.0 babel: `babel index.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the babel-test@1.0.0 babel script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/icefox/.tnpm/_logs/2020-08-05T05_53_09_257Z-debug.log
[tnpm] subprocess:/Users/icefox/.nvm/versions/node/v10.21.0/lib/node_modules/tnpm/lib/npm_child_process.js exit code: 1, signal: null
[tnpm] mainprocess exit code: 1

It works fine with async with property name except get, and older version of @babel/parser, and in latest chrome and node v8, it turns out a valid syntax

About this issue

Original URL
State: closed
Created 4 years ago
Reactions: 13
Comments: 16 (1 by maintainers)

Most upvoted comments

Fixed in @babel/parser 7.11.2.

npm update @babel/parser --depth 999

If you use yarn, you can either manually remove @babel/parser entries in yarn.lock and re-run yarn install or use yarn-deduplicate

# pick up 7.11.2, don't worry it will be removed later
yarn add @babel/parser
# yarn-deduplicate will resolve @babel/parser: ^7.11.1 to 7.11.2
yarn-deduplicate --packages @babel/parser yarn.lock
# remove `@babel/parser` from your package.json, it will be still in your node_modules
yarn remove @babel/parser

JLHwung on Aug 5, 2020

For temporary fix right now we are using this one:

"resolutions": {
  "@babel/core/@babel/parser": "7.11.0"
}

tomstumshais on Aug 5, 2020