34 lines
1018 B
TypeScript
34 lines
1018 B
TypeScript
type CookieOptions = string[][]
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const encodeCookie = (name: string, val: string) => {
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return `${name}=${encodeURIComponent(val)}`
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}
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const decodeCookie = (cookie: string) => {
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const parts = cookie.trim().split('=')
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if (parts.length < 2) {
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throw new Error(`Invalid cookie contents: ${cookie}`)
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}
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const rest = parts.slice(1).join('') // there may be more = in the value
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return [parts[0], decodeURIComponent(rest)] as const
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}
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export const setCookie = (name: string, val: string, opts?: CookieOptions) => {
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const parts = [encodeCookie(name, val)]
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if (opts != null) {
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parts.push(...opts.map((opt) => opt.join('=')))
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}
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return parts.join('; ')
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}
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// Note that this intentionally ignores the case where multiple cookies have
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// the same name but different paths. Hopefully we never need to think about it.
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export const getCookies = (cookies: string) => {
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const data = cookies.trim()
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if (!data) {
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return {}
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} else {
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return Object.fromEntries(data.split(';').map(decodeCookie))
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}
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}
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