caver-js-ext 설치 문의

o try it out, install caver-js-ext-kas with npm like following command:

$ npm install caver-js-ext-kas

Note "package.json" file should exist on the same install path. If it does not exist, "package.json" should be generated via npm init.

To install a specific version of caver-js, try the following command:

$ npm install caver-js-ext-kas@X.X.X

You can build it with the command below.

$ npm run build

The result of the build is located in "dist/" and is named "caver-js-ext-kas.min.js".

caver-js-ext를 설치해보려고 했는데  npm run build에서 막혔습니다.

혹시 생략한 부분이 있을지요? 수준낮은 질문이라 죄송하지만 도움 부탁드립니다.

D:\klay>npm install caver-js-ext-kas
npm WARN deprecated source-map-url@0.4.1: See https://github.com/lydell/source-map-url#deprecated
npm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated
npm WARN deprecated har-validator@5.0.3: this library is no longer supported
npm WARN deprecated @web3-js/scrypt-shim@0.1.0: This package is deprecated, for a pure JS implementation please use scrypt-js
npm WARN deprecated source-map-resolve@0.5.3: See https://github.com/lydell/source-map-resolve#deprecated
npm WARN deprecated chokidar@2.1.8: Chokidar 2 does not receive security updates since 2019. Upgrade to chokidar 3 with 15x fewer dependencies
npm WARN deprecated resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated
npm WARN deprecated formidable@1.2.6: Please upgrade to latest, formidable@v2 or formidable@v3! Check these notes: https://bit.ly/2ZEqIau
npm WARN deprecated uuid@3.0.0: 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 querystring@0.2.0: The querystring API is considered Legacy. new code should use the URLSearchParams API instead.
npm WARN deprecated multicodec@1.0.4: This module has been superseded by the multiformats module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 request@2.87.0: 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npm WARN deprecated multibase@0.6.1: This module has been superseded by the multiformats module
npm WARN deprecated multibase@0.7.0: This module has been superseded by the multiformats module
npm WARN deprecated multibase@4.0.6: This module has been superseded by the multiformats module
npm WARN deprecated superagent@3.7.0: Please upgrade to v7.0.2+ of superagent.  We have fixed numerous issues with streams, form-data, attach(), filesystem errors not bubbling up (ENOENT on attach()), and all tests are 
now passing.  See the releases tab for more information at <https://github.com/visionmedia/superagent/releases>.
npm WARN deprecated cids@0.7.5: This module has been superseded by the multiformats module

added 753 packages, and audited 754 packages in 43s

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

23 vulnerabilities (12 moderate, 8 high, 3 critical)

To address all issues, run:
  npm audit fix

Run `npm audit` for details.

D:\klay>
D:\klay>
D:\klay>npm run build
npm ERR! Missing script: "build"
npm ERR!
npm ERR! To see a list of scripts, run:
npm ERR!   npm run

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\kyumi\AppData\Local\npm-cache\_logs\2022-03-21T13_20_41_635Z-debug-0.log

D:\klay>npm run
Lifecycle scripts included in klay@1.0.0:
  test
    echo "Error: no test specified" && exit 1