interface ParseOptions { decodeURIComponent?: (string: string) => string; maxKeys?: number;}
export function parse( str: string, sep = "&", eq = "=", { decodeURIComponent = unescape, maxKeys = 1000 }: ParseOptions = {}): { [key: string]: string[] | string } { const entries = str .split(sep) .map((entry) => entry.split(eq).map(decodeURIComponent)); const final: { [key: string]: string[] | string } = {};
let i = 0; while (true) { if ((Object.keys(final).length === maxKeys && !!maxKeys) || !entries[i]) { break; }
const [key, val] = entries[i]; if (final[key]) { if (Array.isArray(final[key])) { (final[key] as string[]).push(val); } else { final[key] = [final[key] as string, val]; } } else { final[key] = val; }
i++; }
return final;}
interface StringifyOptions { encodeURIComponent?: (string: string) => string;}
export function stringify( obj: object, sep = "&", eq = "=", { encodeURIComponent = escape }: StringifyOptions = {}): string { const final = [];
for (const entry of Object.entries(obj)) { if (Array.isArray(entry[1])) { for (const val of entry[1]) { final.push(encodeURIComponent(entry[0]) + eq + encodeURIComponent(val)); } } else if (typeof entry[1] !== "object" && entry[1] !== undefined) { final.push(entry.map(encodeURIComponent).join(eq)); } else { final.push(encodeURIComponent(entry[0]) + eq); } }
return final.join(sep);}
export const decode = parse;export const encode = stringify;export const unescape = decodeURIComponent;export const escape = encodeURIComponent;