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bjconlan/merge.js

Last active February 2, 2022 16:10
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Additive merge
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merge.js
const merge = (l, r) => Array.isArray(l) ? [...l, ...r]
: l?.constructor === Object ? [...Object.entries(l), ...Object.entries(r)].reduce((r, [k, v]) => {
r[k] = r[k] == null ? v : merge(r[k], v);
return r;
}, {})
: r;
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