"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.stringify = exports.parse = exports.decode = exports.encode = void 0;
const iconv_lite_1 = __importDefault(require("iconv-lite"));
function isUTF8(charset) {
    if (!charset) {
        return true;
    }
    charset = charset.toLowerCase();
    return charset === 'utf8' || charset === 'utf-8';
}
function encode(str, charset) {
    if (!charset || isUTF8(charset)) {
        return encodeURIComponent(str);
    }
    const buf = iconv_lite_1.default.encode(str, charset);
    let encodeStr = '';
    let ch = '';
    for (let i = 0; i < buf.length; i++) {
        ch = buf[i].toString(16);
        if (ch.length === 1) {
            ch = '0' + ch;
        }
        encodeStr += '%' + ch;
    }
    encodeStr = encodeStr.toUpperCase();
    return encodeStr;
}
exports.encode = encode;
exports.default = encode;
function decode(str, charset) {
    if (!charset || isUTF8(charset)) {
        return decodeURIComponent(str);
    }
    const bytes = [];
    for (let i = 0; i < str.length;) {
        if (str[i] === '%') {
            i++;
            bytes.push(parseInt(str.substring(i, i + 2), 16));
            i += 2;
        }
        else {
            bytes.push(str.charCodeAt(i));
            i++;
        }
    }
    const buf = Buffer.from(bytes);
    return iconv_lite_1.default.decode(buf, charset);
}
exports.decode = decode;
function parse(qs, sepOrOptions, eq, options) {
    let sep;
    if (typeof sepOrOptions === 'object') {
        // parse(qs, options)
        options = sepOrOptions;
    }
    else {
        // parse(qs, sep, eq, options)
        sep = sepOrOptions;
    }
    sep = sep || '&';
    eq = eq || '=';
    const obj = {};
    if (typeof qs !== 'string' || qs.length === 0) {
        return obj;
    }
    const regexp = /\+/g;
    const splits = qs.split(sep);
    let maxKeys = 1000;
    let charset = '';
    if (options) {
        if (typeof options.maxKeys === 'number') {
            maxKeys = options.maxKeys;
        }
        if (typeof options.charset === 'string') {
            charset = options.charset;
        }
    }
    let len = splits.length;
    // maxKeys <= 0 means that we should not limit keys count
    if (maxKeys > 0 && len > maxKeys) {
        len = maxKeys;
    }
    for (let i = 0; i < len; ++i) {
        const x = splits[i].replace(regexp, '%20');
        const idx = x.indexOf(eq);
        let keyString;
        let valueString;
        let k;
        let v;
        if (idx >= 0) {
            keyString = x.substring(0, idx);
            valueString = x.substring(idx + 1);
        }
        else {
            keyString = x;
            valueString = '';
        }
        if (keyString && keyString.includes('%')) {
            try {
                k = decode(keyString, charset);
            }
            catch (e) {
                k = keyString;
            }
        }
        else {
            k = keyString;
        }
        if (valueString && valueString.includes('%')) {
            try {
                v = decode(valueString, charset);
            }
            catch (e) {
                v = valueString;
            }
        }
        else {
            v = valueString;
        }
        if (!has(obj, k)) {
            obj[k] = v;
        }
        else if (Array.isArray(obj[k])) {
            obj[k].push(v);
        }
        else {
            obj[k] = [obj[k], v];
        }
    }
    return obj;
}
exports.parse = parse;
function has(obj, prop) {
    return Object.prototype.hasOwnProperty.call(obj, prop);
}
function isASCII(str) {
    // eslint-disable-next-line no-control-regex
    return /^[\x00-\x7F]*$/.test(str);
}
function encodeComponent(item, charset) {
    item = String(item);
    if (isASCII(item)) {
        item = encodeURIComponent(item);
    }
    else {
        item = encode(item, charset);
    }
    return item;
}
function stringifyArray(values, prefix, options) {
    const items = [];
    for (const [index, value] of values.entries()) {
        items.push(stringify(value, `${prefix}[${index}]`, options));
    }
    return items.join('&');
}
function stringifyObject(obj, prefix, options) {
    const items = [];
    const charset = options.charset;
    for (const key in obj) {
        if (key === '') {
            continue;
        }
        const value = obj[key];
        if (value === null || value === undefined) {
            items.push(encode(key, charset) + '=');
        }
        else {
            const keyPrefix = prefix ? prefix + '[' + encodeComponent(key, charset) + ']' : encodeComponent(key, charset);
            items.push(stringify(value, keyPrefix, options));
        }
    }
    return items.join('&');
}
function stringify(obj, prefixOrOptions, options) {
    let prefix;
    if (typeof prefixOrOptions !== 'string') {
        options = prefixOrOptions || {};
    }
    else {
        prefix = prefixOrOptions;
    }
    options = options ?? {};
    if (Array.isArray(obj)) {
        if (!prefix) {
            throw new TypeError('stringify expects an object');
        }
        return stringifyArray(obj, prefix, options);
    }
    const objValue = String(obj);
    if (obj && typeof obj === 'object' && objValue === '[object Object]') {
        return stringifyObject(obj, prefix ?? '', options);
    }
    if (!prefix) {
        throw new TypeError('stringify expects an object');
    }
    const charset = options?.charset ?? 'utf-8';
    return `${prefix}=${encodeComponent(objValue, charset)}`;
}
exports.stringify = stringify;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":";;;;;;AAAA,4DAA+B;AAS/B,SAAS,MAAM,CAAC,OAAgB;IAC9B,IAAI,CAAC,OAAO,EAAE;QACZ,OAAO,IAAI,CAAC;KACb;IACD,OAAO,GAAG,OAAO,CAAC,WAAW,EAAE,CAAC;IAChC,OAAO,OAAO,KAAK,MAAM,IAAI,OAAO,KAAK,OAAO,CAAC;AACnD,CAAC;AAED,SAAgB,MAAM,CAAC,GAAW,EAAE,OAAuB;IACzD,IAAI,CAAC,OAAO,IAAI,MAAM,CAAC,OAAO,CAAC,EAAE;QAC/B,OAAO,kBAAkB,CAAC,GAAG,CAAC,CAAC;KAChC;IAED,MAAM,GAAG,GAAG,oBAAK,CAAC,MAAM,CAAC,GAAG,EAAE,OAAO,CAAC,CAAC;IACvC,IAAI,SAAS,GAAG,EAAE,CAAC;IACnB,IAAI,EAAE,GAAG,EAAE,CAAC;IACZ,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,GAAG,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;QACnC,EAAE,GAAG,GAAG,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC;QACzB,IAAI,EAAE,CAAC,MAAM,KAAK,CAAC,EAAE;YACnB,EAAE,GAAG,GAAG,GAAG,EAAE,CAAC;SACf;QACD,SAAS,IAAI,GAAG,GAAG,EAAE,CAAC;KACvB;IACD,SAAS,GAAG,SAAS,CAAC,WAAW,EAAE,CAAC;IACpC,OAAO,SAAS,CAAC;AACnB,CAAC;AAjBD,wBAiBC;AAED,kBAAe,MAAM,CAAC;AAEtB,SAAgB,MAAM,CAAC,GAAW,EAAE,OAAuB;IACzD,IAAI,CAAC,OAAO,IAAI,MAAM,CAAC,OAAO,CAAC,EAAE;QAC/B,OAAO,kBAAkB,CAAC,GAAG,CAAC,CAAC;KAChC;IAED,MAAM,KAAK,GAAG,EAAE,CAAC;IACjB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,GAAG,CAAC,MAAM,GAAG;QAC/B,IAAI,GAAG,CAAC,CAAC,CAAC,KAAK,GAAG,EAAE;YAClB,CAAC,EAAE,CAAC;YACJ,KAAK,CAAC,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC,EAAE,CAAC,GAAG,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC;YAClD,CAAC,IAAI,CAAC,CAAC;SACR;aAAM;YACL,KAAK,CAAC,IAAI,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,CAAC;YAC9B,CAAC,EAAE,CAAC;SACL;KACF;IACD,MAAM,GAAG,GAAG,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;IAC/B,OAAO,oBAAK,CAAC,MAAM,CAAC,GAAG,EAAE,OAAO,CAAC,CAAC;AACpC,CAAC;AAlBD,wBAkBC;AAID,SAAgB,KAAK,CAAC,EAAU,EAAE,YAA+B,EAAE,EAAW,EAAE,OAAiB;IAC/F,IAAI,GAAuB,CAAC;IAC5B,IAAI,OAAO,YAAY,KAAK,QAAQ,EAAE;QACpC,qBAAqB;QACrB,OAAO,GAAG,YAAY,CAAC;KACxB;SAAM;QACL,8BAA8B;QAC9B,GAAG,GAAG,YAAY,CAAC;KACpB;IAED,GAAG,GAAG,GAAG,IAAI,GAAG,CAAC;IACjB,EAAE,GAAG,EAAE,IAAI,GAAG,CAAC;IACf,MAAM,GAAG,GAAwB,EAAE,CAAC;IAEpC,IAAI,OAAO,EAAE,KAAK,QAAQ,IAAI,EAAE,CAAC,MAAM,KAAK,CAAC,EAAE;QAC7C,OAAO,GAAG,CAAC;KACZ;IAED,MAAM,MAAM,GAAG,KAAK,CAAC;IACrB,MAAM,MAAM,GAAG,EAAE,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;IAE7B,IAAI,OAAO,GAAG,IAAI,CAAC;IACnB,IAAI,OAAO,GAAG,EAAE,CAAC;IACjB,IAAI,OAAO,EAAE;QACX,IAAI,OAAO,OAAO,CAAC,OAAO,KAAK,QAAQ,EAAE;YACvC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;SAC3B;QACD,IAAI,OAAO,OAAO,CAAC,OAAO,KAAK,QAAQ,EAAE;YACvC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;SAC3B;KACF;IAED,IAAI,GAAG,GAAG,MAAM,CAAC,MAAM,CAAC;IACxB,yDAAyD;IACzD,IAAI,OAAO,GAAG,CAAC,IAAI,GAAG,GAAG,OAAO,EAAE;QAChC,GAAG,GAAG,OAAO,CAAC;KACf;IAED,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,GAAG,EAAE,EAAE,CAAC,EAAE;QAC5B,MAAM,CAAC,GAAG,MAAM,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,MAAM,EAAE,KAAK,CAAC,CAAC;QAC3C,MAAM,GAAG,GAAG,CAAC,CAAC,OAAO,CAAC,EAAE,CAAC,CAAC;QAC1B,IAAI,SAAiB,CAAC;QACtB,IAAI,WAAmB,CAAC;QACxB,IAAI,CAAS,CAAC;QACd,IAAI,CAAS,CAAC;QAEd,IAAI,GAAG,IAAI,CAAC,EAAE;YACZ,SAAS,GAAG,CAAC,CAAC,SAAS,CAAC,CAAC,EAAE,GAAG,CAAC,CAAC;YAChC,WAAW,GAAG,CAAC,CAAC,SAAS,CAAC,GAAG,GAAG,CAAC,CAAC,CAAC;SACpC;aAAM;YACL,SAAS,GAAG,CAAC,CAAC;YACd,WAAW,GAAG,EAAE,CAAC;SAClB;QAED,IAAI,SAAS,IAAI,SAAS,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE;YACxC,IAAI;gBACF,CAAC,GAAG,MAAM,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;aAChC;YAAC,OAAO,CAAC,EAAE;gBACV,CAAC,GAAG,SAAS,CAAC;aACf;SACF;aAAM;YACL,CAAC,GAAG,SAAS,CAAC;SACf;QAED,IAAI,WAAW,IAAI,WAAW,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE;YAC5C,IAAI;gBACF,CAAC,GAAG,MAAM,CAAC,WAAW,EAAE,OAAO,CAAC,CAAC;aAClC;YAAC,OAAO,CAAC,EAAE;gBACV,CAAC,GAAG,WAAW,CAAC;aACjB;SACF;aAAM;YACL,CAAC,GAAG,WAAW,CAAC;SACjB;QAED,IAAI,CAAC,GAAG,CAAC,GAAG,EAAE,CAAC,CAAC,EAAE;YAChB,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;SACZ;aAAM,IAAI,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE;YAC/B,GAAG,CAAC,CAAC,CAAS,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;SACzB;aAAM;YACL,GAAG,CAAC,CAAC,CAAC,GAAG,CAAE,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,CAAE,CAAC;SACxB;KACF;IAED,OAAO,GAAG,CAAC;AACb,CAAC;AApFD,sBAoFC;AAED,SAAS,GAAG,CAAC,GAAW,EAAE,IAAY;IACpC,OAAO,MAAM,CAAC,SAAS,CAAC,cAAc,CAAC,IAAI,CAAC,GAAG,EAAE,IAAI,CAAC,CAAC;AACzD,CAAC;AAED,SAAS,OAAO,CAAC,GAAW;IAC1B,4CAA4C;IAC5C,OAAO,gBAAgB,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;AACpC,CAAC;AAED,SAAS,eAAe,CAAC,IAAY,EAAE,OAAgB;IACrD,IAAI,GAAG,MAAM,CAAC,IAAI,CAAC,CAAC;IACpB,IAAI,OAAO,CAAC,IAAI,CAAC,EAAE;QACjB,IAAI,GAAG,kBAAkB,CAAC,IAAI,CAAC,CAAC;KACjC;SAAM;QACL,IAAI,GAAG,MAAM,CAAC,IAAI,EAAE,OAAO,CAAC,CAAC;KAC9B;IACD,OAAO,IAAI,CAAC;AACd,CAAC;AAED,SAAS,cAAc,CAAC,MAAoD,EAAE,MAAc,EAAE,OAAgB;IAC5G,MAAM,KAAK,GAAG,EAAE,CAAC;IACjB,KAAK,MAAM,CAAE,KAAK,EAAE,KAAK,CAAE,IAAI,MAAM,CAAC,OAAO,EAAE,EAAE;QAC/C,KAAK,CAAC,IAAI,CAAC,SAAS,CAAC,KAAK,EAAE,GAAG,MAAM,IAAI,KAAK,GAAG,EAAE,OAAO,CAAC,CAAC,CAAC;KAC9D;IACD,OAAO,KAAK,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;AACzB,CAAC;AAED,SAAS,eAAe,CAAC,GAAwB,EAAE,MAAc,EAAE,OAAgB;IACjF,MAAM,KAAK,GAAG,EAAE,CAAC;IACjB,MAAM,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;IAChC,KAAK,MAAM,GAAG,IAAI,GAAG,EAAE;QACrB,IAAI,GAAG,KAAK,EAAE,EAAE;YACd,SAAS;SACV;QACD,MAAM,KAAK,GAAG,GAAG,CAAC,GAAG,CAAC,CAAC;QACvB,IAAI,KAAK,KAAK,IAAI,IAAI,KAAK,KAAK,SAAS,EAAE;YACzC,KAAK,CAAC,IAAI,CAAC,MAAM,CAAC,GAAG,EAAE,OAAO,CAAC,GAAG,GAAG,CAAC,CAAC;SACxC;aAAM;YACL,MAAM,SAAS,GAAG,MAAM,CAAC,CAAC,CAAC,MAAM,GAAG,GAAG,GAAG,eAAe,CAAC,GAAG,EAAE,OAAO,CAAC,GAAG,GAAG,CAAC,CAAC,CAAC,eAAe,CAAC,GAAG,EAAE,OAAO,CAAC,CAAC;YAC9G,KAAK,CAAC,IAAI,CAAC,SAAS,CAAC,KAAK,EAAE,SAAS,EAAE,OAAO,CAAC,CAAC,CAAC;SAClD;KACF;IACD,OAAO,KAAK,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;AACzB,CAAC;AAKD,SAAgB,SAAS,CAAC,GAAgC,EAAE,eAAkC,EAAE,OAAiB;IAC/G,IAAI,MAA0B,CAAC;IAC/B,IAAI,OAAO,eAAe,KAAK,QAAQ,EAAE;QACvC,OAAO,GAAG,eAAe,IAAI,EAAE,CAAC;KACjC;SAAM;QACL,MAAM,GAAG,eAAe,CAAC;KAC1B;IACD,OAAO,GAAG,OAAO,IAAI,EAAE,CAAC;IACxB,IAAI,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,EAAE;QACtB,IAAI,CAAC,MAAM,EAAE;YACX,MAAM,IAAI,SAAS,CAAC,6BAA6B,CAAC,CAAC;SACpD;QACD,OAAO,cAAc,CAAC,GAAG,EAAE,MAAM,EAAE,OAAO,CAAC,CAAC;KAC7C;IAED,MAAM,QAAQ,GAAG,MAAM,CAAC,GAAG,CAAC,CAAC;IAC7B,IAAI,GAAG,IAAI,OAAO,GAAG,KAAK,QAAQ,IAAI,QAAQ,KAAK,iBAAiB,EAAE;QACpE,OAAO,eAAe,CAAC,GAA0B,EAAE,MAAM,IAAI,EAAE,EAAE,OAAO,CAAC,CAAC;KAC3E;IAED,IAAI,CAAC,MAAM,EAAE;QACX,MAAM,IAAI,SAAS,CAAC,6BAA6B,CAAC,CAAC;KACpD;IACD,MAAM,OAAO,GAAG,OAAO,EAAE,OAAO,IAAI,OAAO,CAAC;IAC5C,OAAO,GAAG,MAAM,IAAI,eAAe,CAAC,QAAQ,EAAE,OAAO,CAAC,EAAE,CAAC;AAC3D,CAAC;AAzBD,8BAyBC"}