can't use const variable - Error in uglify

How to navigate pages

Needs section in README.
How to show an HTML file

Created by https://www.gitignore.io/api/node

Edit at https://www.gitignore.io/?templates=node

Node

Logs

logs
.log
npm-debug.log
yarn-debug.log*
yarn-error.log*
lerna-debug.log*

Diagnostic reports (https://nodejs.org/api/report.html)

report.[0-9].[0-9].[0-9].[0-9].json

Runtime data

pids
*.pid
*.seed
*.pid.lock

Directory for instrumented libs generated by jscoverage/JSCover

lib-cov

Coverage directory used by tools like istanbul

coverage
*.lcov

nyc test coverage

.nyc_output

Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)

.grunt

Bower dependency directory (https://bower.io/)

bower_components

node-waf configuration

.lock-wscript

Compiled binary addons (https://nodejs.org/api/addons.html)

build/Release

Dependency directories

node_modules/
jspm_packages/

TypeScript v1 declaration files

typings/

TypeScript cache

*.tsbuildinfo

Optional npm cache directory

.npm

Optional eslint cache

.eslintcache

Optional REPL history

.node_repl_history

Output of 'npm pack'

*.tgz

Yarn Integrity file

.yarn-integrity

dotenv environment variables file

.env
.env.test

parcel-bundler cache (https://parceljs.org/)

.cache

next.js build output

.next

nuxt.js build output

.nuxt

rollup.js default build output

dist/

Uncomment the public line if your project uses Gatsby

https://nextjs.org/blog/next-9-1#public-directory-support

https://create-react-app.dev/docs/using-the-public-folder/#docsNav

public

Storybook build outputs

.out
.storybook-out

vuepress build output

.vuepress/dist

Serverless directories

.serverless/

FuseBox cache

.fusebox/

DynamoDB Local files

.dynamodb/

Temporary folders

tmp/
temp/

End of https://www.gitignore.io/api/node

I couldn't get my SVGs to use the SVG combined file.
Needs a README file.

I couldn't figure out how to use partials to inject HTML code to another HTML file.
README needed.

Add how to reinstall to helpme:
Delete package.json-lock
Delete node_modules
run npm install

Add install nodejs to helpme