@finnair/path/dist/esm/jsonClone.js

Simple object path as array of strings and numbers

export function jsonClone(input, replacer) {
    return _jsonClone('', { '': input }, replacer);
}
function _jsonClone(key, holder, replacer) {
    const value = _replaceValue(key, holder, replacer);
    if (value && typeof value === 'object') {
        let clone;
        if (Array.isArray(value)) {
            clone = [];
            for (let i = 0; i < value.length; i++) {
                clone[i] = _jsonClone(i.toString(), value, replacer) ?? null;
            }
        }
        else {
            clone = {};
            if (Array.isArray(replacer)) {
                const len = replacer.length;
                for (let i = 0; i < len; i++) {
                    const nestedKey = replacer[i].toString();
                    const keyValue = _jsonClone(nestedKey, value, replacer);
                    // undefined is not included in the result
                    if (keyValue !== undefined) {
                        clone[nestedKey] = keyValue;
                    }
                }
            }
            else {
                for (const nestedKey in value) {
                    const keyValue = _jsonClone(nestedKey, value, replacer);
                    // undefined is not included in the result
                    if (keyValue !== undefined) {
                        clone[nestedKey] = keyValue;
                    }
                }
            }
        }
        return clone;
    }
    else {
        switch (typeof value) {
            // ignore function and symbol
            case 'function':
            case 'symbol':
                return undefined;
            // BigInt is not supported by JSON.stringify
            case 'bigint':
                throw new TypeError("BigInt value can't be serialized in JSON");
            default:
                return value;
        }
    }
}
function _replaceValue(key, holder, replacer) {
    let value = holder[key];
    if (typeof value?.toJSON === 'function') {
        value = value.toJSON(key);
    }
    if (typeof replacer === 'function') {
        value = replacer.call(holder, key, value);
    }
    return value;
}