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

The fastest JSON stringifier

const _find = (path) => {
    const length = path.length;
    let str = 'obj';
    for (let i = 0; i < length; ++i) {
        str += `?.['${path[i]}']`;
    }
    return eval(`(obj=>${str})`);
};
const _makeArraySerializer = (serializer) => {
    if (serializer instanceof Function) {
        return (array) => {
            let acc = '';
            const { length } = array;
            for (let i = 0; i < length - 1; i++) {
                acc += `${serializer(array[i])},`;
            }
            acc += serializer(array[length - 1]);
            return `[${acc}]`;
        };
    }
    return (array) => JSON.stringify(array);
};
const TYPES = ['number', 'string', 'boolean', 'array', 'null'];
const attr = (type, serializer) => {
    if (!TYPES.includes(type)) {
        throw new Error(`Expected one of: "number", "string", "boolean", "null". received "${type}" instead`);
    }
    const usedSerializer = serializer || ((value) => value);
    return {
        isSJS: true,
        type,
        serializer: type === 'array' ? _makeArraySerializer(serializer) : usedSerializer,
    };
};
const defaultRegex = /\n|\r|\t|\"|\\/gm;
const escape = (regex = defaultRegex) => (str) => str.replace(regex, (char) => `\\${char}`);
export { _find, escape, attr };
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