Run serve error after vuecli created the project! - Codes Helper - Programming Question Answer

Run serve error after vuecli created the project!

 INFO  Starting development server...
 ERROR  Error: custom keyword definition is invalid: data.errors should be boolean
Error: custom keyword definition is invalid: data.errors should be boolean
    at Ajv.addKeyword (C:\Users\Mi\vue\ebook\node_modules\ajv\lib\keyword.js:65:13)
    at module.exports (C:\Users\Mi\vue\ebook\node_modules\ajv-errors\index.js:10:7)
    at Object.<anonymous> (C:\Users\Mi\vue\ebook\node_modules\webpack-dev-server\node_modules\schema-utils\src\validateOptions.js:22:1)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
    at Function.Module._load (internal/modules/cjs/loader.js:530:3)
    at Module.require (internal/modules/cjs/loader.js:637:17)
    at require (internal/modules/cjs/helpers.js:22:18)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! ebook@0.1.0 serve: `vue-cli-service serve`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the ebook@0.1.0 serve 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!     C:\Users\Mi\AppData\Roaming\npm-cache\_logs\2019-02-10T04_19_07_453Z-debug.log

vuecli does not work after reinstallation

Vue.js vue-cli javascript

Jun.13,2022

try deleting npm_modules,npm install

deleting node_modules and reinstalling it, you can start

normally.

Previous: The problem of Java time conversion

Next: How does Parcel package non-modular JS/TS output as is?

Vue uses routing on-demand loading, so why is the packaged app.js still so large?
as shown in the figure, I used routing on-demand loading and generated a lot of .js files, but the app.js is still very large. It is even larger than non-demand loading app.js ... ...

Vue.js vue-cli javascript

Mar.21,2021
Why has requestURL not changed since proxyTable configuration?
proxyTable: { levy : { target: http: 118.31.112.11 , changeOrigin: true } }, var obj = { username: , password: } this.$post( levy login index ,obj).then(res=>{ console.log(res); }) Why doesn t r...

Vue.js vue-cli javascript cross-domain

Mar.22,2021
How to view projects built by vue-cli on your mobile phone
has replaced localhost with local IP, and IP can be opened normally on PC, but the phone cannot be converted into a QR code or directly opened by a copy address browser. Is there anything else that needs to be configured? ...

Vue.js vue-cli javascript Mobile-web-develops

Mar.25,2021
Write limit input can only enter positive integer and decimal vue custom instructions, there are some problems, seek guidance to solve
only positive integers can be entered according to the keypress event, monitor the keyboard keyCode code, combined with the numeric regular expression to determine whether the typed keyCode is a number, if it is non-numeric, call the preventDefault e...

Vue.js vue-cli javascript

Jun.08,2021
Where is the process.env.BASE_URL set in vue-cli3?
when you create a template using cli3 (select vue-router), an environment variable of process.env.BASE_URL is used in router.js . I looked up the documentation for vue-cli3 environment variables and patterns , and found that you can only use envir...

Vue.js vue-cli javascript

Jun.23,2021
How to configure postcss? for a project created by vue-cli3.0
problem description I created a hello-world project using vue-cli version 3.0: vue create hello-world I found that it enabled the service by using vue serve . now I want to join postcss, and find that the pkg.json generated by it has alread...

Vue.js vue-cli javascript

Jan.18,2022
How to install vue-cli scaffolding tools offline?
at present, there is a need to build a development environment on private cloud, install vue-cli scaffolding, go through the major engines, but cannot find the offline installation method. I would like to ask which boss knows the solution to this. Thank ...

Vue.js vue-cli javascript

Mar.21,2022

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b2b2ba-2ba84.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2b2ba-2ba84.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?