vue打包报错UnhandledPromiseRejectionWarning: CssSyntaxError:
2020/3/11 5:01:15
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building for production...Error processing file: static/css/app.b20c74dc5216e3341c47d1833529ecad.css (node:9868) UnhandledPromiseRejectionWarning: CssSyntaxError: D:\workspace\h5-app\static\css\app.b20c74dc5216e3341c47d1833529ecad.css:35:7: Unknown word at Input.error (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\input.js:130:16) at Parser.unknownWord (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\parser.js:563:22) at Parser.decl (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\parser.js:235:16) at Parser.other (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\parser.js:133:18) at Parser.parse (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\parser.js:77:16) at parse (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\parse.js:17:12) at new LazyResult (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\lazy-result.js:60:16) at Processor.<anonymous> (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\processor.js:138:12) at Processor.process (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\processor.js:117:23) at Function.creator.process (D:\workspace\h5-app\node_modules\cssnano\node_modules\postcss\lib\postcss.js:148:43) at OptimizeCssAssetsPlugin.processCss (D:\workspace\h5-app\node_modules\optimize-css-assets-webpack-plugin\index.js:63:19) at Object.processor (D:\workspace\h5-app\node_modules\optimize-css-assets-webpack-plugin\index.js:29:23) at D:\workspace\h5-app\node_modules\last-call-webpack-plugin\index.js:139:8 at arrayEach (D:\workspace\h5-app\node_modules\lodash\_arrayEach.js:15:9) at forEach (D:\workspace\h5-app\node_modules\lodash\forEach.js:38:10) at LastCallWebpackPlugin.process (D:\workspace\h5-app\node_modules\last-call-webpack-plugin\index.js:136:3) (node:9868) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on u nhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 2) (node:9868) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
看到这个错误,一脸懵,不知道从何下手。
搜到这个答案https://blog.csdn.net/weixin_...
试着注释webpack 配置
/build/webpack.pro.conf.js
new OptimizeCSSPlugin({ cssProcessorOptions: config.build.productionSourceMap ? { safe: true, map: { inline: false } } : { safe: true } }),
然后真的可以了。
进入打包后的app.xxxx.css 文件 35:7: Unknown word
35行,果然发现错误,
r display:none;
这个r怎么回事?
删了只会,解开webpack配置,也可以正常打包了。
总结:
在去除代码压缩的配置之后,非常容易进行debug,查找代码错误行和列。进行精准定位。
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