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CloudProxyPro/node_modules/unenv/dist/runtime/node/querystring.mjs
doget 4f11174b2b 0.0.1
2025-09-05 14:59:21 +08:00

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// Source: https://github.com/nodejs/node/blob/v22.7.0/lib/querystring.js
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
import { encodeStr, hexTable, isHexTable } from "./internal/querystring/querystring.mjs";
// prettier-ignore
const unhexTable = new Int8Array([
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
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-1,
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-1,
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-1,
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-1,
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-1,
-1,
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-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
+0,
+1,
+2,
+3,
+4,
+5,
+6,
+7,
+8,
+9,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
10,
11,
12,
13,
14,
15,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
10,
11,
12,
13,
14,
15,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
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-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1
]);
/**
* A safe fast alternative to decodeURIComponent
* @param {string} s
* @param {boolean} decodeSpaces
* @returns {string}
*/
function unescapeBuffer(s, decodeSpaces) {
// TODO: Use TextEncoder/TextDecoder + Uint8Array to avoid Buffer
const out = globalThis.Buffer.allocUnsafe(s.length);
let index = 0;
let outIndex = 0;
let currentChar;
let nextChar;
let hexHigh;
let hexLow;
const maxLength = s.length - 2;
// Flag to know if some hex chars have been decoded
let hasHex = false;
while (index < s.length) {
currentChar = String.prototype.charCodeAt.call(s, index);
if (currentChar === 43 && decodeSpaces) {
out[outIndex++] = 32;
index++;
continue;
}
if (currentChar === 37 && index < maxLength) {
currentChar = String.prototype.charCodeAt.call(s, ++index);
hexHigh = unhexTable[currentChar];
if (hexHigh >= 0) {
nextChar = String.prototype.charCodeAt.call(s, ++index);
hexLow = unhexTable[nextChar];
if (hexLow >= 0) {
hasHex = true;
currentChar = hexHigh * 16 + hexLow;
} else {
out[outIndex++] = 37;
index--;
}
} else {
out[outIndex++] = 37;
continue;
}
}
out[outIndex++] = currentChar;
index++;
}
return hasHex ? out.slice(0, outIndex) : out;
}
/**
* @param {string} s
* @param {boolean} decodeSpaces
* @returns {string}
*/
function qsUnescape(s, decodeSpaces) {
try {
return decodeURIComponent(s);
} catch {
return unescapeBuffer(s, decodeSpaces).toString();
}
}
// These characters do not need escaping when generating query strings:
// ! - . _ ~
// ' ( ) *
// digits
// alpha (uppercase)
// alpha (lowercase)
// prettier-ignore
const noEscape = new Int8Array([
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
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0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
1,
0,
0,
0,
0,
0,
1,
1,
1,
1,
0,
0,
1,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
0,
1,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
1,
0
]);
/**
* QueryString.escape() replaces encodeURIComponent()
* @see https://www.ecma-international.org/ecma-262/5.1/#sec-15.1.3.4
* @param {any} str
* @returns {string}
*/
function qsEscape(str) {
if (typeof str !== "string") {
if (typeof str === "object") str = String(str);
else {
str += "";
}
}
return encodeStr(str, noEscape, hexTable);
}
/**
* @param {string | number | bigint | boolean | symbol | undefined | null} v
* @returns {string}
*/
function stringifyPrimitive(v) {
if (typeof v === "string") return v;
if (typeof v === "number" && Number.isFinite(v)) return "" + v;
if (typeof v === "bigint") return "" + v;
if (typeof v === "boolean") return v ? "true" : "false";
return "";
}
/**
* @param {string | number | bigint | boolean} v
* @param {(v: string) => string} encode
* @returns {string}
*/
function encodeStringified(v, encode) {
if (typeof v === "string") return v.length > 0 ? encode(v) : "";
if (typeof v === "number" && Number.isFinite(v)) {
// Values >= 1e21 automatically switch to scientific notation which requires
// escaping due to the inclusion of a '+' in the output
return Math.abs(v) < 1e21 ? "" + v : encode("" + v);
}
if (typeof v === "bigint") return "" + v;
if (typeof v === "boolean") return v ? "true" : "false";
return "";
}
/**
* @param {string | number | boolean | null} v
* @param {(v: string) => string} encode
* @returns {string}
*/
function encodeStringifiedCustom(v, encode) {
return encode(stringifyPrimitive(v));
}
/**
* @param {Record<string, string | number | boolean
* | ReadonlyArray<string | number | boolean> | null>} obj
* @param {string} [sep]
* @param {string} [eq]
* @param {{ encodeURIComponent?: (v: string) => string }} [options]
* @returns {string}
*/
function stringify(obj, sep, eq, options) {
sep = sep || "&";
eq = eq || "=";
let encode = qsEscape;
if (options && typeof options.encodeURIComponent === "function") {
encode = options.encodeURIComponent;
}
const convert = encode === qsEscape ? encodeStringified : encodeStringifiedCustom;
if (obj !== null && typeof obj === "object") {
const keys = Object.keys(obj);
const len = keys.length;
let fields = "";
for (let i = 0; i < len; ++i) {
const k = keys[i];
const v = obj[k];
let ks = convert(k, encode);
ks += eq;
if (Array.isArray(v)) {
const vlen = v.length;
if (vlen === 0) continue;
if (fields) fields += sep;
for (let j = 0; j < vlen; ++j) {
if (j) fields += sep;
fields += ks;
fields += convert(v[j], encode);
}
} else {
if (fields) fields += sep;
fields += ks;
fields += convert(v, encode);
}
}
return fields;
}
return "";
}
/**
* @param {string} str
* @returns {number[]}
*/
function charCodes(str) {
if (str.length === 0) return [];
if (str.length === 1) return [String.prototype.charCodeAt.call(str, 0)];
const ret = Array.from({ length: str.length });
for (let i = 0; i < str.length; ++i) ret[i] = String.prototype.charCodeAt.call(str, i);
return ret;
}
const defSepCodes = [38];
const defEqCodes = [61];
function addKeyVal(obj, key, value, keyEncoded, valEncoded, decode) {
if (key.length > 0 && keyEncoded) key = decodeStr(key, decode);
if (value.length > 0 && valEncoded) value = decodeStr(value, decode);
if (obj[key] === undefined) {
obj[key] = value;
} else {
const curValue = obj[key];
// A simple Array-specific property check is enough here to
// distinguish from a string value and is faster and still safe
// since we are generating all of the values being assigned.
if (curValue.pop) curValue[curValue.length] = value;
else obj[key] = [curValue, value];
}
}
/**
* Parse a key/val string.
* @param {string} qs
* @param {string} sep
* @param {string} eq
* @param {{
* maxKeys?: number;
* decodeURIComponent?(v: string): string;
* }} [options]
* @returns {Record<string, string | string[]>}
*/
function parse(qs, sep, eq, options) {
const obj = { __proto__: null };
if (typeof qs !== "string" || qs.length === 0) {
return obj;
}
const sepCodes = sep ? charCodes(String(sep)) : defSepCodes;
const eqCodes = eq ? charCodes(String(eq)) : defEqCodes;
const sepLen = sepCodes.length;
const eqLen = eqCodes.length;
let pairs = 1e3;
if (options && typeof options.maxKeys === "number") {
// -1 is used in place of a value like Infinity for meaning
// "unlimited pairs" because of additional checks V8 (at least as of v5.4)
// has to do when using variables that contain values like Infinity. Since
// `pairs` is always decremented and checked explicitly for 0, -1 works
// effectively the same as Infinity, while providing a significant
// performance boost.
pairs = options.maxKeys > 0 ? options.maxKeys : -1;
}
let decode = qsUnescape;
if (options && typeof options.decodeURIComponent === "function") {
decode = options.decodeURIComponent;
}
const customDecode = decode !== qsUnescape;
let lastPos = 0;
let sepIdx = 0;
let eqIdx = 0;
let key = "";
let value = "";
let keyEncoded = customDecode;
let valEncoded = customDecode;
const plusChar = customDecode ? "%20" : " ";
let encodeCheck = 0;
for (let i = 0; i < qs.length; ++i) {
const code = String.prototype.charCodeAt.call(qs, i);
// Try matching key/value pair separator (e.g. '&')
if (code === sepCodes[sepIdx]) {
if (++sepIdx === sepLen) {
// Key/value pair separator match!
const end = i - sepIdx + 1;
if (eqIdx < eqLen) {
// We didn't find the (entire) key/value separator
if (lastPos < end) {
// Treat the substring as part of the key instead of the value
key += String.prototype.slice.call(qs, lastPos, end);
} else if (key.length === 0) {
// We saw an empty substring between separators
if (--pairs === 0) return obj;
lastPos = i + 1;
sepIdx = eqIdx = 0;
continue;
}
} else if (lastPos < end) {
value += String.prototype.slice.call(qs, lastPos, end);
}
addKeyVal(obj, key, value, keyEncoded, valEncoded, decode);
if (--pairs === 0) return obj;
keyEncoded = valEncoded = customDecode;
key = value = "";
encodeCheck = 0;
lastPos = i + 1;
sepIdx = eqIdx = 0;
}
} else {
sepIdx = 0;
// Try matching key/value separator (e.g. '=') if we haven't already
if (eqIdx < eqLen) {
if (code === eqCodes[eqIdx]) {
if (++eqIdx === eqLen) {
// Key/value separator match!
const end = i - eqIdx + 1;
if (lastPos < end) key += String.prototype.slice.call(qs, lastPos, end);
encodeCheck = 0;
lastPos = i + 1;
}
continue;
} else {
eqIdx = 0;
if (!keyEncoded) {
// Try to match an (valid) encoded byte once to minimize unnecessary
// calls to string decoding functions
if (code === 37) {
encodeCheck = 1;
continue;
} else if (encodeCheck > 0) {
if (isHexTable[code] === 1) {
if (++encodeCheck === 3) keyEncoded = true;
continue;
} else {
encodeCheck = 0;
}
}
}
}
if (code === 43) {
if (lastPos < i) key += String.prototype.slice.call(qs, lastPos, i);
key += plusChar;
lastPos = i + 1;
continue;
}
}
if (code === 43) {
if (lastPos < i) value += String.prototype.slice.call(qs, lastPos, i);
value += plusChar;
lastPos = i + 1;
} else if (!valEncoded) {
// Try to match an (valid) encoded byte (once) to minimize unnecessary
// calls to string decoding functions
if (code === 37) {
encodeCheck = 1;
} else if (encodeCheck > 0) {
if (isHexTable[code] === 1) {
if (++encodeCheck === 3) valEncoded = true;
} else {
encodeCheck = 0;
}
}
}
}
}
// Deal with any leftover key or value data
if (lastPos < qs.length) {
if (eqIdx < eqLen) key += String.prototype.slice.call(qs, lastPos);
else if (sepIdx < sepLen) value += String.prototype.slice.call(qs, lastPos);
} else if (eqIdx === 0 && key.length === 0) {
// We ended on an empty substring
return obj;
}
addKeyVal(obj, key, value, keyEncoded, valEncoded, decode);
return obj;
}
/**
* V8 does not optimize functions with try-catch blocks, so we isolate them here
* to minimize the damage (Note: no longer true as of V8 5.4 -- but still will
* not be inlined).
* @param {string} s
* @param {(v: string) => string} decoder
* @returns {string}
*/
function decodeStr(s, decoder) {
try {
return decoder(s);
} catch {
return qsUnescape(s, true);
}
}
export { unescapeBuffer, qsUnescape as unescape, qsEscape as escape, stringify, stringify as encode, parse, parse as decode };
export default {
unescapeBuffer,
unescape: qsUnescape,
escape: qsEscape,
stringify,
encode: stringify,
parse,
decode: parse
};
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