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zhenghaohe/foo.js

Last active August 9, 2022 22:20
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foo.js
// <body>
// <div>
// <span>
// bar1
// bar2
// </span>
// </div>
// <div>
// baz
// </div>
// </body>
const tree = {
children: [
{ children: [{ children: ['bar1', 'bar2'], tag: 'span' }], tag: 'div' },
{ children: ['baz'], tag: 'div' },
],
tag: 'body',
}
function foo(root) {
const recur = (root) =>
root.children
? [
`<${root.tag}>`,
...root.children.flatMap(recur),
`</${root.tag}>`,
]
: root
return recur(root).join('\n')
}
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