ionic-framework - 为什么在输入命令 Ionic Serve 时出现错误
问题描述
大家好，我有一个项目，它是离子的，当我打开项目并运行命令提示符并输入 ionic serve 我得到错误请帮助有什么问题......谢谢
C:\Users\Software Engineer\Desktop\App code>ionic serve
> ionic-app-scripts serve --address localhost --port 8100 --
livereload-port 35729 --dev-logger-port 53703 --nobrowser
[app-scripts] 'ionic-app-scripts' is not recognized as an internal or
external command,
[app-scripts] operable program or batch file.
[INFO] Looks like @ionic/app-scripts isn't installed in this project.
This package is required for this command to work properly. The
package provides a CLI utility, but the
ionic-app-scripts binary was not found in your PATH.
? Install @ionic/app-scripts? No
[WARN] Not installing--here's how to install manually: npm i -D -E
@ionic/app-scripts
[ERROR] @ionic/app-scripts is required for this command to work
properly.
C:\Users\Software Engineer\Desktop\App code>ionic serve
> ionic-app-scripts serve --address localhost --port 8100 --
livereload-port 35729 --dev-logger-port 53703 --nobrowser
[app-scripts] 'ionic-app-scripts' is not recognized as an internal or
external command,
[app-scripts] operable program or batch file.
[INFO] Looks like @ionic/app-scripts isn't installed in this project.
此命令需要此软件包才能正常工作。该软件包提供了一个 CLI 实用程序，但在您的 PATH 中找不到 ionic-app-scripts 二进制文件。
? Install @ionic/app-scripts? Yes
> npm.cmd i -D -E @ionic/app-scripts
npm WARN deprecated browserslist@2.11.3: Browserslist 2 could fail on
reading Browserslist >3.0 config used in other tools.
> node-sass@4.5.3 install C:\Users\Software Engineer\Desktop\App
code\node_modules\node-sass
> node scripts/install.js
Downloading binary from https://github.com/sass/node-
sass/releases/download/v4.5.3/win32-x64-72_binding.node
Cannot download "https://github.com/sass/node-
sass/releases/download/v4.5.3/win32-x64-72_binding.node":
HTTP error 404 Not Found
Hint: If github.com is not accessible in your location
try setting a proxy via HTTP_PROXY, e.g.
export HTTP_PROXY=http://example.com:1234
or configure npm proxy via
npm config set proxy http://example.com:8080
> uglifyjs-webpack-plugin@0.4.6 postinstall C:\Users\Software
Engineer\Desktop\App code\node_modules\uglifyjs-webpack-plugin
> node lib/post_install.js
> node-sass@4.5.3 postinstall C:\Users\Software Engineer\Desktop\App
code\node_modules\node-sass
> node scripts/build.js
Building: C:\Program Files\nodejs\node.exe C:\Users\Software
Engineer\Desktop\App code\node_modules\node-gyp\bin\node-gyp.js
rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags=
--libsass_library=
gyp info it worked if it ends with ok
gyp verb cli [
gyp verb cli 'C:\\Program Files\\nodejs\\node.exe',
gyp verb cli 'C:\\Users\\Software Engineer\\Desktop\\App
code\\node_modules\\node-gyp\\bin\\node-gyp.js',
gyp verb cli 'rebuild',
gyp verb cli '--verbose',
gyp verb cli '--libsass_ext=',
gyp verb cli '--libsass_cflags=',
gyp verb cli '--libsass_ldflags=',
gyp verb cli '--libsass_library='
gyp verb cli ]
gyp info using node-gyp@3.8.0
gyp info using node@12.6.0 | win32 | x64
gyp verb command rebuild []
gyp verb command clean []
gyp verb clean removing "build" directory
gyp verb command configure []
gyp verb check python checking for Python executable "python2" in the
PATH
gyp verb `which` failed Error: not found: python2
gyp verb `which` failed at getNotFoundError (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:80:29)
gyp verb `which` failed at C:\Users\Software Engineer\Desktop\App
code\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\Software Engineer\Desktop\App
code\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\Software
Engineer\Desktop\App code\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqCallback.oncomplete
(fs.js:165:21)
gyp verb `which` failed python2 Error: not found: python2
gyp verb `which` failed at getNotFoundError (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:80:29)
gyp verb `which` failed at C:\Users\Software Engineer\Desktop\App
code\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\Software Engineer\Desktop\App
code\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\Software Engineer\Desktop\App
code\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqCallback.oncomplete
(fs.js:165:21) {
gyp verb `which` failed stack: 'Error: not found: python2\n' +
gyp verb `which` failed ' at getNotFoundError
(C:\\Users\\Software Engineer\\Desktop\\App
code\\node_modules\\which\\which.js:13:12)\n' +
gyp verb `which` failed ' at F (C:\\Users\\Software
Engineer\\Desktop\\App code\\node_modules\\which\\which.js:68:19)\n' +
gyp verb `which` failed ' at E (C:\\Users\\Software
Engineer\\Desktop\\App code\\node_modules\\which\\which.js:80:29)\n' +
gyp verb `which` failed ' at C:\\Users\\Software
Engineer\\Desktop\\App code\\node_modules\\which\\which.js:89:16\n' +
gyp verb `which` failed ' at C:\\Users\\Software
Engineer\\Desktop\\App code\\node_modules\\isexe\\index.js:42:5\n' +
gyp verb `which` failed ' at C:\\Users\\Software
Engineer\\Desktop\\App code\\node_modules\\isexe\\windows.js:36:5\n' +
gyp verb `which` failed ' at FSReqCallback.oncomplete
(fs.js:165:21)',
gyp verb `which` failed code: 'ENOENT'
gyp verb `which` failed }
gyp verb check python checking for Python executable "python" in the
PATH
gyp verb `which` failed Error: not found: python
gyp verb `which` failed at getNotFoundError (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:80:29)
gyp verb `which` failed at C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\Software
Engineer\Desktop\App code\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\Software
Engineer\Desktop\App code\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqCallback.oncomplete
(fs.js:165:21)
gyp verb `which` failed python Error: not found: python
gyp verb `which` failed at getNotFoundError (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:80:29)
gyp verb `which` failed at C:\Users\Software
Engineer\Desktop\App code\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\Software
Engineer\Desktop\App code\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\Software
Engineer\Desktop\App code\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqCallback.oncomplete
(fs.js:165:21) {
gyp verb `which` failed stack: 'Error: not found: python\n' +
gyp verb `which` failed ' at getNotFoundError
(C:\\Users\\Software Engineer\\Desktop\\App
code\\node_modules\\which\\which.js:13:12)\n' +
gyp verb `which` failed ' at F (C:\\Users\\Software
Engineer\\Desktop\\App
code\\node_modules\\which\\which.js:68:19)\n' +
gyp verb `which` failed ' at E (C:\\Users\\Software
Engineer\\Desktop\\App code\\node_modules\\which\\which.js:80:29)\n'
+
gyp verb `which` failed ' at C:\\Users\\Software
Engineer\\Desktop\\App code\\node_modules\\which\\which.js:89:16\n' +
gyp verb `which` failed ' at C:\\Users\\Software
Engineer\\Desktop\\App code\\node_modules\\isexe\\index.js:42:5\n' +
gyp verb `which` failed ' at C:\\Users\\Software
Engineer\\Desktop\\App code\\node_modules\\isexe\\windows.js:36:5\n' +
gyp verb `which` failed ' at FSReqCallback.oncomplete
(fs.js:165:21)',
gyp verb `which` failed code: 'ENOENT'
gyp verb `which` failed }
gyp verb could not find "python". checking python launcher
gyp verb could not find "python". guessing location
gyp verb ensuring that file exists: C:\Python27\python.exe
gyp ERR! configure error
gyp ERR! stack Error: Can't find Python executable "python", you
can set the PYTHON env variable.
gyp ERR! stack at PythonFinder.failNoPython (C:\Users\Software
Engineer\Desktop\App code\node_modules\node-
gyp\lib\configure.js:484:19)
gyp ERR! stack at PythonFinder.<anonymous> (C:\Users\Software
Engineer\Desktop\App code\node_modules\node-
gyp\lib\configure.js:509:16)
gyp ERR! stack at callback (C:\Users\Software
Engineer\Desktop\App code\node_modules\graceful-
fs\polyfills.js:289:20)
gyp ERR! stack at FSReqCallback.oncomplete (fs.js:165:21)
gyp ERR! System Windows_NT 10.0.17763
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe"
"C:\\Users\\Software Engineer\\Desktop\\App
code\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--
verbose" "--libsass_ext=" "--libsass_cflags=" "--
libsass_ldflags=" "--libsass_library="
gyp ERR! cwd C:\Users\Software Engineer\Desktop\App
code\node_modules\node-sass
gyp ERR! node -v v12.6.0
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
Build failed with error code: 1
npm WARN tslint@5.18.0 requires a peer of typescript@>=2.3.0-
dev || >=2.4.0-dev || >=2.5.0-dev || >=2.6.0-dev || >=2.7.0-
dev || >=2.8.0-dev || >=2.9.0-dev || >=3.0.0-dev || >= 3.1.0-
dev || >= 3.2.0-dev but none is installed. You must install
peer dependencies yourself.
npm WARN tsutils@1.9.1 requires a peer of typescript@>=2.0.0
|| >=2.0.0-dev || >=2.1.0-dev || >=2.2.0-dev || >=2.3.0-dev
|| >= 2.4.0-dev but none is installed. You must install peer
dependencies yourself.
npm WARN tsutils@2.29.0 requires a peer of typescript@>=2.1.0
|| >=2.1.0-dev || >=2.2.0-dev || >=2.3.0-dev || >=2.4.0-dev
|| >=2.5.0-dev || >=2.6.0-dev || >=2.7.0-dev || >=2.8.0-dev
|| >=2.9.0-dev || >= 3.0.0-dev || >= 3.1.0-dev but none is
installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY:
fsevents@1.2.9 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported
platform for fsevents@1.2.9: wanted
{"os":"darwin","arch":"any"} (current:
{"os":"win32","arch":"x64"})
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@4.5.3 postinstall: `node
scripts/build.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-sass@4.5.3 postinstall
script.
npm ERR! This is probably not a problem with npm. There
is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Software
Engineer\AppData\Roaming\npm-cache\_logs\2019-07-
22T01_30_20_067Z-debug.log
[ERROR] An error occurred while running subprocess npm.
npm.cmd i -D -E @ionic/app-scripts exited with exit
code 1.
Re-running this command with the --verbose flag may
provide more information.
解决方案
您面临的问题是因为 node-sass 缺少供应商二进制文件。您可以设置代理，以便它可以在线下载二进制文件。
另一种选择是手动下载文件，并将 npm config sass_binary_path 属性设置为指向它。
npm config set sass_binary_path "你的文件路径"
完成后运行：
npm 重建节点-sass
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