Function markIntegerIndexKeys

apps/json-format/json-utils.js:156–203

(source)

}

export function markIntegerIndexKeys(source) {
    source = String(source || '');
    let result = '';
    let i = 0;

    while (i < source.length) {
        if (source[i] !== '"') {
            result += source[i++];
            continue;
        }

        const start = i;
        i++;
        let escaped = false;
        while (i < source.length) {
            const char = source[i++];
            if (escaped) {
                escaped = false;
                continue;
            }
            if (char === '\\') {
                escaped = true;
                continue;
            }
            if (char === '"') {
                break;
            }
        }

        const rawKey = source.slice(start, i);
        let j = i;
        while (j < source.length && /\s/.test(source[j])) j++;

        if (source[j] === ':') {
            try {
                const key = JSON.parse(rawKey);
                if (isIntegerIndexKey(key)) {
                    result += JSON.stringify(PRESERVED_INTEGER_KEY_PREFIX + key);
                    continue;
                }
            } catch (_) {}
        }

        result += rawKey;
    }

    return result;
}

export function normalizePreservedKey(key) {
    if (typeof key === 'string' && key.indexOf(PRESERVED_INTEGER_KEY_PREFIX) === 0) {