symfony4 - In Symfony project "yarn install" gives error

Question

I am trying to put js code to my symfony project. I followed instructions and installed yarn. Switched yarn to version berry (2). Node version 8.10.0 Symfony CLI version v4.21.6 When I run yarn install I got the error:

admin@aspirant:~/web/alpin52.ru/public_html/miriada/myform$ yarn install
/home/admin/web/alpin52.ru/public_html/miriada/myform/.yarn/releases/yarn-berry.cjs:2
module.exports=(()=>{var e={25545:e=>{function t(e){var t=new Error("Cannot find module '"+e+"'");throw t.code="MODULE_NOT_FOUND",t}t.keys=()=>[],t.resolve=t,t.id=25545,e.exports=t},44692:(e,t,r)=>{"use strict";r.r(t),r.d(t,{default:()=>g});var A=r(54143);const n={optional:!0},o=[["@samverschueren/stream-to-observable@<0.3.1",{peerDependenciesMeta:{rxjs:n,zenObservable:n}}],["any-observable@<0.5.1",{peerDependenciesMeta:{rxjs:n,zenObservable:n}}],["@pm2/agent@<1.0.4",{dependencies:{debug:"*"}}],["debug@<4.2.0",{peerDependenciesMeta:{"supports-color":n}}],["got@<11",{dependencies:{"@types/responselike":"^1.0.0","@types/keyv":"^3.1.1"}}],["cacheable-lookup@<4.1.2",{dependencies:{"@types/keyv":"^3.1.1"}}],["http-link-dataloader@*",{peerDependencies:{graphql:"^0.13.1 || ^14.0.0"}}],["typescript-language-server@*",{dependencies:{"vscode-jsonrpc":"^5.0.1","vscode-languageserver-protocol":"^3.15.0"}}],["postcss-syntax@*",{peerDep

SyntaxError: Unexpected reserved word
    at createScript (vm.js:80:10)
    at Object.runInThisContext (vm.js:139:10)
    at Module._compile (module.js:616:28)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Function.Module.runMain (module.js:693:10)
    at startup (bootstrap_node.js:188:16)
    at bootstrap_node.js:609:3

question from:https://stackoverflow.com/questions/65839712/in-symfony-project-yarn-install-gives-error

Answer 1

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