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【Q748】在 babel 编译为低版本 ES 时，为何能够编译可选链之类语法，但无法编译 API #794

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shfshanyue opened this issue Nov 12, 2022 · 1 comment
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【Q748】在 babel 编译为低版本 ES 时，为何能够编译可选链之类语法，但无法编译 API #794

shfshanyue opened this issue Nov 12, 2022 · 1 comment
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@shfshanyue
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@shfshanyue shfshanyue changed the title 【Q748】在 babel/typescript 编译为低版本 ES 时，为何能够编译可选链之类语法，那无法编译 Promise.any 之类 API 【Q748】在 babel 编译为低版本 ES 时，为何能够编译可选链之类语法，但无法编译 API Nov 12, 2022
@shfshanyue
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见 https://q.shanyue.tech/engineering/734.html

babel/swc 只能处理操作符，而无法处理新的 API。如果需要处理 API 兼容，则需要引入 core-js 增加垫片代码

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