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w88975

关于 AST 转 JSX 的疑问.

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  •   w88975 Jul 6, 2021 1340 views
    This topic created in 1765 days ago, the information mentioned may be changed or developed.

    某段 React JSX 的代码, 通过 acorn 转为 JS 的 AST 树, 在通过 AST 树转回 JS 代码, 但是最后输出的代码里,JSX 部分被转为了 h 函数.

    JSX 代码

    export default function Home() { return ( <View className={styles.homeContainer}> <Logo uri="//gw.alicdn.com/tfs/TB1MRC_cvb2gK0jSZK9XXaEgFXa-1701-1535.png" /> <Text className={styles.homeTitle}>Welcome to Your Rax App</Text> <Text className={styles.homeInfo}>More information about Rax</Text> <Text className={styles.homeInfo}>Visit https://rax.js.orgx</Text> </View> ); } 

    output 代码

    export default function Home() { return h("View", { className: styles.homeContainer }, [h("Logo", { uri: "//gw.alicdn.com/tfs/TB1MRC_cvb2gK0jSZK9XXaEgFXa-1701-1535.png" }), h("Text", { className: styles.homeTitle }, ["Welcome to Your Rax App"]), h("Text", { className: styles.homeInfo }, ["More information about Rax"]), h("Text", { className: styles.homeInfo }, ["Visit https://rax.js.orgx"])]); } 

    问: 如何才能将 AST 转回 JS 代码的时候, JSX 部分保持原有的 JSX 语法, 而不是 JS 函数?

    triple7
        1
    triple7  
       Jul 6, 2021
    你是用什么把 ast 转为代码的。
    w88975
        2
    w88975  
    OP
       Jul 6, 2021
    @triple7 jsx-ast-transformer astring
    triple7
        3
    triple7  
       Jul 6, 2021
    建议你把细节说明下,关键代码。

    按照我搜索到的库,你是这样使用的吗

    let ast = transform(jsx_ast, { factory: "h" });

    另外为啥不用 babel,这是比较成熟的全套方案,而且有丰富的文档。
    triple7
        4
    triple7  
       Jul 6, 2021
    按照 jsx-ast-transformer 项目介绍:
    Transforms JSX AST into regular JS AST

    大概率是只能转到 js ast 。
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