seitu/dist/utils/cookie/index.mjs

//#region src/utils/cookie/index.ts
/** 400 days, the cap browsers apply to `Max-Age`/`Expires`. */
const DEFAULT_MAX_AGE = 3456e4;
/**
* Returns the raw value of `key` from a `Cookie` header or `document.cookie`,
* or `null` when the cookie is missing.
*
* @example
* ```ts twoslash
* import { parseCookie } from 'seitu/utils'
*
* parseCookie('a=1; theme=dark', 'theme') // 'dark'
* parseCookie('a=1', 'theme') // null
* ```
*/
function parseCookie(header, key) {
	const prefix = `${key}=`;
	for (const part of header.split(";")) {
		const trimmed = part.trim();
		if (trimmed.startsWith(prefix)) return trimmed.slice(prefix.length);
	}
	return null;
}
/**
* Builds a `document.cookie`/`Set-Cookie` string. Defaults: `Path=/`,
* `SameSite=Lax`, `Max-Age` of 400 days unless `expires` is set.
*
* @example
* ```ts twoslash
* import { serializeCookie } from 'seitu/utils'
*
* serializeCookie('theme', 'dark', { maxAge: 60 })
* // 'theme=dark; Path=/; Max-Age=60; SameSite=Lax'
* ```
*/
function serializeCookie(key, raw, attributes = {}) {
	const { path = "/", domain, expires, maxAge = expires ? void 0 : DEFAULT_MAX_AGE, sameSite = "lax", secure, partitioned } = attributes;
	const parts = [`${key}=${raw}`, `Path=${path}`];
	if (domain) parts.push(`Domain=${domain}`);
	if (maxAge !== void 0) parts.push(`Max-Age=${maxAge}`);
	if (expires) parts.push(`Expires=${expires.toUTCString()}`);
	parts.push(`SameSite=${sameSite.charAt(0).toUpperCase()}${sameSite.slice(1)}`);
	if (secure) parts.push("Secure");
	if (partitioned) parts.push("Partitioned");
	return parts.join("; ");
}
//#endregion
export { parseCookie, serializeCookie };