@nesvet/n/dist/flat.js

Various utilities

import { isEmpty } from "./isEmpty.js";
import { isPlain } from "./isPlain.js";
export function flat(object, strict = true, prefix) {
    if (typeof strict == "string") {
        prefix = strict;
        strict = true;
    }
    const entries = Object.entries(object);
    for (let i = 0; i < entries.length; i++) {
        const [key, value] = entries[i];
        if (value && typeof value == "object" && isPlain(value, strict) && !isEmpty(value)) {
            entries.splice(i, 1);
            let j = i--;
            for (const subkey in value) // eslint-disable-line guard-for-in
                entries.splice(j++, 0, [`${key}.${subkey}`, value[subkey]]);
        }
    }
    if (prefix) {
        prefix += ".";
        return Object.fromEntries(entries.map(([key, value]) => [prefix + key, value]));
    }
    return Object.fromEntries(entries);
}
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