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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 8x 8x 8x 8x 8x 1x 1x 1x 1x 1x 1x 7x 8x 8x 8x 8x 8x 8x 8x 8x 8x 7x 1x 1x 1x | /**
* Browser transport for `@eink/print-dialog`'s client (Phase 2b, Gitea #9).
*
* The kit's `TransportFetch` is structural (it compiles with no DOM lib), so
* the browser side supplies this tiny adapter over the real `fetch`. Auth and
* tenancy live entirely here, at the kit's designed seam: requests go to
* abaci's own proxy (`/api/abacus/print/*`) with the session cookie, and the
* `?connectionId=` selector rides as a query param so the kit's `basePath`
* stays a plain prefix. The kit does its own ETag revalidation, so the HTTP
* cache is bypassed (`no-store`) — one caching layer, not two.
*/
import {
createPrintServiceClient,
type PrintServiceClient,
type TransportFetch,
} from '@eink/print-dialog'
/** The proxy prefix all print-service reads go through. */
export const PRINT_PROXY_BASE_PATH = '/api/abacus/print'
/** Append `connectionId` to a URL that may or may not already have a query. */
function withConnectionId(url: string, connectionId: string | undefined): string {
if (!connectionId) return url
const sep = url.includes('?') ? '&' : '?'
return `${url}${sep}connectionId=${encodeURIComponent(connectionId)}`
}
/**
* A `TransportFetch` over the browser's `fetch`, scoped to one connection.
* Omit `connectionId` to let the proxy fall back to the user's sole connection.
*/
export function createProxyTransportFetch(connectionId?: string): TransportFetch {
return (url, init) =>
fetch(withConnectionId(url, connectionId), {
method: init?.method,
headers: init?.headers ? { ...init.headers } : undefined,
// The kit's abort semantics detach the caller rather than cancel the
// request; only forward a signal that is a real DOM AbortSignal.
signal: init?.signal instanceof AbortSignal ? init.signal : undefined,
credentials: 'same-origin',
cache: 'no-store',
})
}
/** The package client aimed at abaci's proxy for one connection. */
export function createAbacusPrintClient(connectionId?: string): PrintServiceClient {
return createPrintServiceClient({
fetch: createProxyTransportFetch(connectionId),
basePath: PRINT_PROXY_BASE_PATH,
})
}
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