cant install quasar-cli with npm or yarn



  • H:\develop\salamandr.dev\JS\Vue>yarn global add quasar-cli@0.17.19
    yarn global v0.15.1
    warning No license field
    [1/4] Resolving packages…
    warning quasar-cli > @babel/preset-stage-2@7.0.0-beta.54: 👋 We’ve deprecated any official stage presets in favor of users explicitly opt-ing into the proposals they want to use versus any perceived convenience. You can also check https://github.com/babel/babel/issues/7770 for more information.
    warning quasar-cli > @babel/preset-stage-2 > @babel/preset-stage-3@7.0.0-beta.54: 👋 We’ve deprecated any official stage presets in favor of users explicitly opt-ing into the proposals they want to use versus any perceived convenience. You can also check https://github.com/babel/babel/issues/7770 for more information.
    [2/4] Fetching packages…
    warning fsevents@1.2.4: The platform “win32” is incompatible with this module.
    info “fsevents@1.2.4” is an optional dependency and failed compatibility check. Excluding it from installation.
    error quasar-cli@0.17.19: The engine “yarn” is incompatible with this module. Expected version “>= 1.6.0”.
    error Found incompatible module
    info Visit http://yarnpkg.com/en/docs/cli/global for documentation about this command.****

    H:\develop\salamandr.dev\JS\Vue>npm install -g quasar-cli
    npm WARN deprecated @babel/preset-stage-2@7.0.0-beta.54: 👋 We’ve deprecated any official stage presets in favor of users explicitly opt-ing into the proposals they want to use versus any perceived convenience. You can also check https://github.com/babel/babel/issues/7770 for more information.
    npm ERR! Unexpected end of JSON input while parsing near ‘…s":"^4.1.2","jsonfile’

    npm ERR! A complete log of this run can be found in:
    npm ERR! C:\Users\Salamandr\AppData\Roaming\npm-cache_logs\2018-11-20T06_59_20_055Z-debug.log

    in log:
    689 http fetch GET 200 https://registry.npmjs.org/fs-extra 18ms (from cache)
    690 silly fetchPackageMetaData error for fs-extra@^1.0.0 Unexpected end of JSON input while parsing near ‘…s":"^4.1.2","jsonfile’



  • npm ERR! Unexpected end of JSON input while parsing near ‘…s":"^4.1.2","jsonfile’ could you post your package.json?



  • can fix:
    npm install reinstall -g
    reinstall
    npm install -g quasar-cli