Webpack-cli安装成功后查看webpack -v报错怎么办
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问题
1. 安装webpack webpack-cli
npm install -g webpack webpack-cli
2. 查看webpack 版本
webpack -v
报错
/usr/local/lib/node_modules/webpack/lib/cli.js:66 .replace( ^ SyntaxError: Invalid regular expression: /(\p{Uppercase_Letter}+|\p{Lowercase_Letter}|\d)(\p{Uppercase_Letter}+)/: Invalid escape at pathToArgumentName (/usr/local/lib/node_modules/webpack/lib/cli.js:66:4) at addFlag (/usr/local/lib/node_modules/webpack/lib/cli.js:170:16) at traverse (/usr/local/lib/node_modules/webpack/lib/cli.js:243:21) at traverse (/usr/local/lib/node_modules/webpack/lib/cli.js:299:23) at traverse (/usr/local/lib/node_modules/webpack/lib/cli.js:248:24) at Object.getArguments (/usr/local/lib/node_modules/webpack/lib/cli.js:308:2) at Object.<anonymous> (/usr/local/lib/node_modules/webpack-cli/lib/utils/cli-flags.js:245:30) at Module._compile (/usr/local/lib/node_modules/webpack-cli/node_modules/v8-compile-cache/v8-compile-cache.js:192:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:665:10) at Module.load (internal/modules/cjs/loader.js:566:32)
解决
1. 查看node版本
node -v v9.11.2
发现node版本 不是最新的,官网下载安装最新版本的Node(LTS)
node -v v14.15.0
2. 升级npm
npm i -g npm
3. 查看webpack版本
webpack -v webpack-cli 4.2.0 webpack 5.4.0
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