Today I worked on a react web project. So it worked fine.And then after that I created a another react project. But in that there was no any package.lock file. So I created manually it by using
npm install . But after that when I’m adding dependency to that project with
npm i react-particles-js command I got a error msg like this.
npm ERR! code ERESOLVE npm ERR! ERESOLVE unable to resolve dependency tree npm ERR! npm ERR! While resolving: firstname.lastname@example.org npm ERR! Found: email@example.com npm ERR! node_modules/react npm ERR! react@"^17.0.2" from the root project npm ERR! npm ERR! Could not resolve dependency: npm ERR! peer react@"^16.0.0" from firstname.lastname@example.org npm ERR! node_modules/react-particles-js npm ERR! react-particles-js@"*" from the root project npm ERR! npm ERR! Fix the upstream dependency conflict, or retry npm ERR! this command with --force, or --legacy-peer-deps npm ERR! to accept an incorrect (and potentially broken) dependency resolution. npm ERR! npm ERR! See C:UsersUser.LAPTOP-3EBUUP6SAppDataLocalnpm-cacheeresolve-report.txt for a full report. npm ERR! A complete log of this run can be found in: npm ERR! C:UsersUser.LAPTOP-3EBUUP6SAppDataLocalnpm-cache_logs2021-09-02T11_17_21_426Z-debug.log
Also when I’m creating package.lock file manually I get this log message.
npm WARN old lockfile npm WARN old lockfile The package-lock.json file was created with an old version of npm, npm WARN old lockfile so supplemental metadata must be fetched from the registry. npm WARN old lockfile npm WARN old lockfile This is a one-time fix-up, please be patient... npm WARN old lockfile npm WARN deprecated email@example.com: some dependency vulnerabilities fixed, support for node < 10 dropped, and newer ECMAScript syntax/features added npm WARN deprecated firstname.lastname@example.org: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math-random for details. changed 87 packages, and audited 1703 packages in 40s
So the problem is why I’m not getting a package.lock file automatically and why I can’t install dependencies correctly?
It can be because creat-react-app is using yarn now.
- Instead of
- Instead of
npm i react-particles-jsuse
yarn add react-particle-js
You can confirm if you have a