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【Webpack】Tree Shaking #45

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swiftwind0405 opened this issue Apr 17, 2020 · 1 comment
Open
Tracked by #6

【Webpack】Tree Shaking #45

swiftwind0405 opened this issue Apr 17, 2020 · 1 comment
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@swiftwind0405
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swiftwind0405 commented Apr 17, 2020 •
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Tree Shaking 通常用于描述移除 js 中未使用的代码

  • Tree Shaking 只适用于ES Module语法(既通过export导出，import引入)，因为它依赖于ES Module的静态结构特性。

  • Tree Shaking 只在生产环境下才会无效，因为在开发环境下由于 source-map 等相关因素的影响，如果不把没有使用的代码一起打包进来的话，source-map 就不是很准确，会影响我们本地开发的效率
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swiftwind0405 commented Apr 17, 2020 •
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@swiftwind0405 swiftwind0405 changed the title Webpack之tree shaking 【Webpack】【进阶】tree shaking Apr 17, 2020
@swiftwind0405 swiftwind0405 changed the title 【Webpack】【进阶】tree shaking 【Webpack】【进阶】Tree Shaking Apr 18, 2020
@swiftwind0405 swiftwind0405 changed the title 【Webpack】【进阶】Tree Shaking 【Webpack】Tree Shaking Apr 29, 2020
@swiftwind0405 swiftwind0405 mentioned this issue Apr 29, 2020
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