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SyntaxError:?/xx.vue:?Unexpected?token,?expected?“,“錯(cuò)誤解決

 更新時(shí)間：2023年08月20日 09:05:27   作者：天渺工作室  
這篇文章主要為大家介紹了SyntaxError:?/xx.vue:?Unexpected?token,?expected?“,“錯(cuò)誤解決方法詳解，有需要的朋友可以借鑒參考下，希望能夠有所幫助，祝大家多多進(jìn)步，早日升職加薪

錯(cuò)誤

本地老工程vue2.7.x+webpack4在升級(jí)webpack5的時(shí)候遇啟動(dòng)和打包報(bào)錯(cuò):

Syntax Error: SyntaxError: /xxxxx.vue Unexpected token, expected "," (1:8)
> 1 | [object Promise]
    |         ^
  2 | export { render, staticRenderFns }

最后才發(fā)現(xiàn)是prettier導(dǎo)致的。

推薦看看stackoverflow上面這個(gè)回答。Update Nodejs 14->18 — webpack have the same syntaxError: /.../xxx.vue: Unexpected token, expected "," (1:8) for ALL Vue 2 components in the project

導(dǎo)致原因

在prettier v3.0.0中，默認(rèn)值從es5更改為all

Default value changed from es5 to all in v3.0.0
Print trailing commas wherever possible in multi-line comma-separated syntactic structures. (A single-line array, for example, never gets trailing commas.)
Valid options:
"all" - Trailing commas wherever possible (including function parameters and calls). To run, JavaScript code formatted this way needs an engine that supports ES2017 (Node.js 8+ or a modern browser) or downlevel compilation. This also enables trailing commas in type parameters in TypeScript (supported since TypeScript 2.7 released in January 2018).
"es5" - Trailing commas where valid in ES5 (objects, arrays, etc.). No trailing commas in type parameters in TypeScript.
"none" - No trailing commas.

解決

  • prettier插件版本回退到v2.8.8

"prettier":"v2.8.8"

  • vue-loader配置prettify: false。
{
        test: /\.vue$/,
        loader: 'vue-loader',
        options: {
          // vue loader在處理.vue模板時(shí)默認(rèn)不用prettier格式化
          prettify: false,
        },
   },

以上就是SyntaxError: /xx.vue: Unexpected token, expected “,“錯(cuò)誤解決的詳細(xì)內(nèi)容，更多關(guān)于SyntaxError vue 解決的資料請(qǐng)關(guān)注腳本之家其它相關(guān)文章！

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