can't build it?

[RedemptionC]

$ npm install
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 fsevents@1.2.11: The v1 package contains DANGEROUS / INSECURE binaries. Upgrade to safe fsevents v2
npm WARN deprecated set-value@2.0.0: Critical bug fixed in v3.0.1, please upgrade to the latest version.
npm WARN deprecated mixin-deep@1.3.1: Critical bug fixed in v2.0.1, please upgrade to the latest version.
npm WARN deprecated ini@1.3.5: Please update to ini >=1.3.6 to avoid a prototype pollution issue
npm WARN deprecated set-value@0.4.3: Critical bug fixed in v3.0.1, please upgrade to the latest version.
npm WARN deprecated stable@0.1.8: Modern JS already guarantees Array#sort() is a stable sort, so this library is deprecated. See the compatibility table on MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort#browser_compatibility
npm WARN deprecated @babel/plugin-proposal-optional-chaining@7.9.0: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-optional-chaining instead.
npm WARN deprecated @babel/plugin-proposal-nullish-coalescing-operator@7.8.3: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-nullish-coalescing-operator instead.
npm WARN deprecated @babel/plugin-proposal-numeric-separator@7.8.3: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-numeric-separator instead.
npm WARN deprecated @babel/plugin-proposal-unicode-property-regex@7.8.8: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-unicode-property-regex instead.
npm WARN deprecated @babel/plugin-proposal-optional-catch-binding@7.8.3: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-optional-catch-binding instead.
npm WARN deprecated @babel/plugin-proposal-dynamic-import@7.8.3: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-dynamic-import instead.
npm WARN deprecated @babel/plugin-proposal-json-strings@7.8.3: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-json-strings instead.
npm WARN deprecated rollup-plugin-terser@5.3.0: This package has been deprecated and is no longer maintained. Please use @rollup/plugin-terser
npm WARN deprecated @babel/plugin-proposal-async-generator-functions@7.8.3: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-async-generator-functions instead.
npm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated
npm WARN deprecated har-validator@5.1.3: this library is no longer supported
npm WARN deprecated @babel/plugin-proposal-object-rest-spread@7.9.6: This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-object-rest-spread instead.
npm WARN deprecated rollup-plugin-replace@2.2.0: This module has moved and is now available at @rollup/plugin-replace. Please update your dependencies. This version is no longer maintained.
npm WARN deprecated resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated
npm WARN deprecated source-map-url@0.4.0: See https://github.com/lydell/source-map-url#deprecated
npm WARN deprecated sourcemap-codec@1.4.8: Please use @jridgewell/sourcemap-codec instead
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 debug@4.1.1: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated rollup-plugin-babel@4.3.2: This package has been deprecated and is no longer maintained. Please use @rollup/plugin-babel.
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 source-map-resolve@0.5.2: See https://github.com/lydell/source-map-resolve#deprecated
npm WARN deprecated mkdirp@0.5.1: Legacy versions of mkdirp are no longer supported. Please update to mkdirp 1.x. (Note that the API surface has changed to use Promises in 1.x.)
npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated axios@0.19.0: Critical security vulnerability fixed in v0.21.1. For more information, see https://github.com/axios/axios/pull/3410
npm WARN deprecated svgo@1.3.2: This SVGO version is no longer supported. Upgrade to v2.x.x.
npm WARN deprecated tar@2.2.2: This version of tar is no longer supported, and will not receive security updates. Please upgrade asap.
npm ERR! code 1
npm ERR! path /Users/chenggeng/Developer/Repos/others/regexr/node_modules/node-sass
npm ERR! command failed
npm ERR! command sh -c node scripts/build.js
npm ERR! Building: /opt/homebrew/Cellar/node/21.5.0/bin/node /Users/chenggeng/Developer/Repos/others/regexr/node_modules/node-gyp/bin/node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp verb cli [
npm ERR! gyp verb cli   '/opt/homebrew/Cellar/node/21.5.0/bin/node',
npm ERR! gyp verb cli   '/Users/chenggeng/Developer/Repos/others/regexr/node_modules/node-gyp/bin/node-gyp.js',
npm ERR! gyp verb cli   'rebuild',
npm ERR! gyp verb cli   '--verbose',
npm ERR! gyp verb cli   '--libsass_ext=',
npm ERR! gyp verb cli   '--libsass_cflags=',
npm ERR! gyp verb cli   '--libsass_ldflags=',
npm ERR! gyp verb cli   '--libsass_library='
npm ERR! gyp verb cli ]
npm ERR! gyp info using node-gyp@3.8.0
npm ERR! gyp info using node@21.5.0 | darwin | arm64
npm ERR! gyp verb command rebuild []
npm ERR! gyp verb command clean []
npm ERR! gyp verb clean removing "build" directory
npm ERR! gyp verb command configure []
npm ERR! gyp verb check python checking for Python executable "python2" in the PATH
npm ERR! gyp verb `which` failed Error: not found: python2
npm ERR! gyp verb `which` failed     at getNotFoundError (/Users/chenggeng/Developer/Repos/others/regexr/node_modules/which/which.js:13:12)
npm ERR! gyp verb `which` failed     at F (/Users/chenggeng/Developer/Repos/others/regexr/node_modules/which/which.js:68:19)
npm ERR! gyp verb `which` failed     at E (/Users/chenggeng/Developer/Repos/others/regexr/node_modules/which/which.js:80:29)
npm ERR! gyp verb `which` failed     at /Users/chenggeng/Developer/Repos/others/regexr/node_modules/which/which.js:89:16
npm ERR! gyp verb `which` failed     at /Users/chenggeng/Developer/Repos/others/regexr/node_modules/isexe/index.js:42:5
npm ERR! gyp verb `which` failed     at /Users/chenggeng/Developer/Repos/others/regexr/node_modules/isexe/mode.js:8:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (node:fs:201:21)
npm ERR! gyp verb `which` failed  python2 Error: not found: python2
npm ERR! gyp verb `which` failed     at getNotFoundError (/Users/chenggeng/Developer/Repos/others/regexr/node_modules/which/which.js:13:12)
npm ERR! gyp verb `which` failed     at F (/Users/chenggeng/Developer/Repos/others/regexr/node_modules/which/which.js:68:19)
npm ERR! gyp verb `which` failed     at E (/Users/chenggeng/Developer/Repos/others/regexr/node_modules/which/which.js:80:29)
npm ERR! gyp verb `which` failed     at /Users/chenggeng/Developer/Repos/others/regexr/node_modules/which/which.js:89:16
npm ERR! gyp verb `which` failed     at /Users/chenggeng/Developer/Repos/others/regexr/node_modules/isexe/index.js:42:5
npm ERR! gyp verb `which` failed     at /Users/chenggeng/Developer/Repos/others/regexr/node_modules/isexe/mode.js:8:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (node:fs:201:21) {
npm ERR! gyp verb `which` failed   code: 'ENOENT'
npm ERR! gyp verb `which` failed }
npm ERR! gyp verb check python checking for Python executable "python" in the PATH
npm ERR! gyp verb `which` succeeded python /opt/homebrew/bin/python
npm ERR! gyp ERR! configure error
npm ERR! gyp ERR! stack Error: Command failed: /opt/homebrew/bin/python -c import sys; print "%s.%s.%s" % sys.version_info[:3];
npm ERR! gyp ERR! stack   File "<string>", line 1
npm ERR! gyp ERR! stack     import sys; print "%s.%s.%s" % sys.version_info[:3];
npm ERR! gyp ERR! stack                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
npm ERR! gyp ERR! stack SyntaxError: Missing parentheses in call to 'print'. Did you mean print(...)?
npm ERR! gyp ERR! stack
npm ERR! gyp ERR! stack     at genericNodeError (node:internal/errors:956:15)
npm ERR! gyp ERR! stack     at wrappedFn (node:internal/errors:510:14)
npm ERR! gyp ERR! stack     at ChildProcess.exithandler (node:child_process:422:12)
npm ERR! gyp ERR! stack     at ChildProcess.emit (node:events:519:28)
npm ERR! gyp ERR! stack     at maybeClose (node:internal/child_process:1105:16)
npm ERR! gyp ERR! stack     at Socket.<anonymous> (node:internal/child_process:457:11)
npm ERR! gyp ERR! stack     at Socket.emit (node:events:519:28)
npm ERR! gyp ERR! stack     at Pipe.<anonymous> (node:net:337:12)
npm ERR! gyp ERR! System Darwin 23.2.0
npm ERR! gyp ERR! command "/opt/homebrew/Cellar/node/21.5.0/bin/node" "/Users/chenggeng/Developer/Repos/others/regexr/node_modules/node-gyp/bin/node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
npm ERR! gyp ERR! cwd /Users/chenggeng/Developer/Repos/others/regexr/node_modules/node-sass
npm ERR! gyp ERR! node -v v21.5.0
npm ERR! gyp ERR! node-gyp -v v3.8.0
npm ERR! gyp ERR! not ok
npm ERR! Build failed with error code: 1

npm ERR! A complete log of this run can be found in: /Users/chenggeng/.npm/_logs/2024-01-04T01_43_25_341Z-debug-0.log

[CapybaraJ]

suggest you use n to mange & change node version, and use v10.21.0，will work