snakify-ts/dist/index.js

Recursive snake casing of object property names with proper typing

import snakeCase from "lodash.snakecase";
function walk(obj, shallow = false) {
    if (!obj || typeof obj !== "object")
        return obj;
    if (obj instanceof Date || obj instanceof RegExp)
        return obj;
    if (Array.isArray(obj))
        return obj.map(v => {
            if (!shallow) {
                return walk(v);
            }
            if (typeof v === 'object')
                return walk(v, shallow);
            return v;
        });
    return Object.keys(obj).reduce((res, key) => {
        const camel = snakeCase(key);
        res[camel] = shallow ? obj[key] : walk(obj[key]);
        return res;
    }, {});
}
export default function snakify(
/**
 * Value to be snakified
 */
obj, 
/**
 * If true, only the top level keys of the obj will be camel cased
 */
shallow) {
    return typeof obj === "string" ? snakeCase(obj) : walk(obj, shallow);
}
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