Function _safeStringify

apps/json-format/format-lib.js:1891–1912

(value, space)

    };

    let _safeStringify = function(value, space) {
        if (
            typeof window !== 'undefined' &&
            window.FHJsonAutoUtils &&
            typeof window.FHJsonAutoUtils.safeStringify === 'function'
        ) {
            return window.FHJsonAutoUtils.safeStringify(value, space);
        }

        return JSON.stringify(value, function(key, item) {
            if (typeof item === 'bigint') {
                return item.toString();
            }
            if (isBigNumberLike(item)) {
                return getBigNumberDisplayString(item);
            }
            if (typeof item === 'number' && item.toString().includes('e')) {
                return item.toLocaleString('fullwide', {useGrouping: false});
            }
            return item;
        }, space);
    };

    let _normalizePreservedKey = function(key) {
        if (