npm :web3.jsをインストール 

# npm install web3

added 6 packages, and audited 370 packages in 9s

55 packages are looking for funding
  run `npm fund` for details

1 low severity vulnerability

To address all issues (including breaking changes), run:
  npm audit fix --force

Run `npm audit` for details.
# npm audit fix --force
npm WARN using --force Recommended protections disabled.
npm WARN audit Updating web3 to 1.7.3,which is a SemVer major change.
npm WARN deprecated har-validator@5.1.5: this library is no longer supported
npm WARN deprecated mkdirp-promise@5.0.1: This package is broken and no longer maintained. 'mkdirp' itself supports promises now, please switch to that.
npm WARN deprecated multicodec@1.0.4: This module has been superseded by the multiformats module
npm WARN deprecated uuid@3.3.2: 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.
npm WARN deprecated multibase@0.7.0: This module has been superseded by the multiformats module
npm WARN deprecated uuid@3.4.0: 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.
npm WARN deprecated multicodec@0.5.7: This module has been superseded by the multiformats module
npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated multibase@0.6.1: This module has been superseded by the multiformats module
npm WARN deprecated cids@0.7.5: This module has been superseded by the multiformats module

added 245 packages, removed 4 packages, changed 2 packages, and audited 611 packages in 56s

81 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities
# npm ls
privateinvoice@0.0.1 /opt/PrivateInvoice/264
tqq axios@0.26.1
tqq bcrypt@5.0.1
tqq binary-uuid@2.0.3
tqq bip39@3.0.4
tqq body-parser@1.19.0
tqq connect-redis@4.0.4
tqq currency.js@1.2.2
tqq dotenv-cli@5.1.0
tqq dotenv@16.0.0
tqq eslint-plugin-react@7.29.4
tqq eslint@8.13.0
tqq express-session@1.17.2
tqq express@4.17.1
tqq finalhandler@1.1.2
tqq ganache@7.1.0
tqq moment@2.29.3
tqq mysql@2.18.1
tqq redis@3.1.2
tqq serve-static@1.14.1
tqq session-file-store@1.5.0
tqq sqlite3@4.2.0
tqq tslib@2.2.0
tqq uniqid@5.3.0
tqq uuid@7.0.3
mqq web3@1.7.3
#