@darkgl/slow-json-stringify/dist/_makeChunks.js

The fastest JSON stringifier

const _replaceString = (type) => (type.includes('string') ? '"__par__"' : '__par__');
const matchStartRe = /^(\"\,|\,|\")/;
const _chunkRegex = /"\w+__sjs"/gm;
const isLastRegex = /^("}|})/;
const _makeChunks = (str, queue) => {
    return (str
        .replace(_chunkRegex, _replaceString)
        .split('__par__')
        .map((chunk, index, chunks) => {
        const matchProp = `("${queue[index]?.name}":(\"?))$`;
        const matchWhenLast = `(\,?)${matchProp}`;
        const isLast = isLastRegex.test(chunks[index + 1] || '');
        const matchPropRe = new RegExp(isLast ? matchWhenLast : matchProp);
        return {
            flag: false,
            pure: chunk,
            prevUndef: chunk.replace(matchStartRe, ''),
            isUndef: chunk.replace(matchPropRe, ''),
            bothUndef: chunk.replace(matchStartRe, '').replace(matchPropRe, ''),
        };
    }));
};
export { _makeChunks };
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