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Unexpected token: keyword «const» #839

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thinkmai opened this issue Sep 11, 2019 · 6 comments
Closed

Unexpected token: keyword «const» #839

thinkmai opened this issue Sep 11, 2019 · 6 comments

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@thinkmai
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thinkmai commented Sep 11, 2019 •
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  • G6 Version:3.0.5
  • Platform:
  • Mini Showcase(like screenshots):
  • CodePen Link:
    build的时候报Unexpected token: keyword «const»，用3.0.5.beta.7没问题，请问这个是什么引起的呢？
@baizn
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baizn commented Sep 11, 2019

能提供详细的保存信息吗，刚试了下本地build没报错。

@thinkmai
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https://github.com/thinkmai/g6lib.git,如果将版本改成3.0.5-beta.7，build可以通过，改成其他版本有问题，还请帮忙看看啥问题

@baizn
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baizn commented Sep 11, 2019

你参考yeyan1996/vue2-admin#2这个看下，uglifyjs-webpack-plugin插件不支持ES6 webpack-contrib/uglifyjs-webpack-plugin#362，建议将uglifyjs-webpack-plugin换成uglify-js

@thinkmai
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谢谢，已经解决

@yesmeck
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yesmeck commented Sep 20, 2019

这个问题还存在的，构建出来的文件里包含 const，低版本浏览器里无法运行。

@ycjcl868 ycjcl868 mentioned this issue Sep 24, 2019
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@baizn
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baizn commented May 7, 2020

3.4.9 版本修复了 #1541

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@yesmeck @baizn @thinkmai