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fc93158 | 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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | import { normalizeAccountId } from "./account-id.js";
import { normalizeMessageChannel } from "./message-channel.js";
export type DeliveryContext = {
channel?: string;
to?: string;
accountId?: string;
threadId?: string | number;
};
export type DeliveryContextSessionSource = {
channel?: string;
lastChannel?: string;
lastTo?: string;
lastAccountId?: string;
lastThreadId?: string | number;
deliveryContext?: DeliveryContext;
};
export function normalizeDeliveryContext(context?: DeliveryContext): DeliveryContext | undefined {
if (!context) {
return undefined;
}
const channel =
typeof context.channel === "string"
? (normalizeMessageChannel(context.channel) ?? context.channel.trim())
: undefined;
const to = typeof context.to === "string" ? context.to.trim() : undefined;
const accountId = normalizeAccountId(context.accountId);
const threadId =
typeof context.threadId === "number" && Number.isFinite(context.threadId)
? Math.trunc(context.threadId)
: typeof context.threadId === "string"
? context.threadId.trim()
: undefined;
const normalizedThreadId =
typeof threadId === "string" ? (threadId ? threadId : undefined) : threadId;
if (!channel && !to && !accountId && normalizedThreadId == null) {
return undefined;
}
const normalized: DeliveryContext = {
channel: channel || undefined,
to: to || undefined,
accountId,
};
if (normalizedThreadId != null) {
normalized.threadId = normalizedThreadId;
}
return normalized;
}
export function normalizeSessionDeliveryFields(source?: DeliveryContextSessionSource): {
deliveryContext?: DeliveryContext;
lastChannel?: string;
lastTo?: string;
lastAccountId?: string;
lastThreadId?: string | number;
} {
if (!source) {
return {
deliveryContext: undefined,
lastChannel: undefined,
lastTo: undefined,
lastAccountId: undefined,
lastThreadId: undefined,
};
}
const merged = mergeDeliveryContext(
normalizeDeliveryContext({
channel: source.lastChannel ?? source.channel,
to: source.lastTo,
accountId: source.lastAccountId,
threadId: source.lastThreadId,
}),
normalizeDeliveryContext(source.deliveryContext),
);
if (!merged) {
return {
deliveryContext: undefined,
lastChannel: undefined,
lastTo: undefined,
lastAccountId: undefined,
lastThreadId: undefined,
};
}
return {
deliveryContext: merged,
lastChannel: merged.channel,
lastTo: merged.to,
lastAccountId: merged.accountId,
lastThreadId: merged.threadId,
};
}
export function deliveryContextFromSession(
entry?: DeliveryContextSessionSource & { origin?: { threadId?: string | number } },
): DeliveryContext | undefined {
if (!entry) {
return undefined;
}
const source: DeliveryContextSessionSource = {
channel: entry.channel,
lastChannel: entry.lastChannel,
lastTo: entry.lastTo,
lastAccountId: entry.lastAccountId,
lastThreadId: entry.lastThreadId ?? entry.deliveryContext?.threadId ?? entry.origin?.threadId,
deliveryContext: entry.deliveryContext,
};
return normalizeSessionDeliveryFields(source).deliveryContext;
}
export function mergeDeliveryContext(
primary?: DeliveryContext,
fallback?: DeliveryContext,
): DeliveryContext | undefined {
const normalizedPrimary = normalizeDeliveryContext(primary);
const normalizedFallback = normalizeDeliveryContext(fallback);
if (!normalizedPrimary && !normalizedFallback) {
return undefined;
}
const channelsConflict =
normalizedPrimary?.channel &&
normalizedFallback?.channel &&
normalizedPrimary.channel !== normalizedFallback.channel;
return normalizeDeliveryContext({
channel: normalizedPrimary?.channel ?? normalizedFallback?.channel,
// Keep route fields paired to their channel; avoid crossing fields between
// unrelated channels during session context merges.
to: channelsConflict
? normalizedPrimary?.to
: (normalizedPrimary?.to ?? normalizedFallback?.to),
accountId: channelsConflict
? normalizedPrimary?.accountId
: (normalizedPrimary?.accountId ?? normalizedFallback?.accountId),
threadId: channelsConflict
? normalizedPrimary?.threadId
: (normalizedPrimary?.threadId ?? normalizedFallback?.threadId),
});
}
export function deliveryContextKey(context?: DeliveryContext): string | undefined {
const normalized = normalizeDeliveryContext(context);
if (!normalized?.channel || !normalized?.to) {
return undefined;
}
const threadId =
normalized.threadId != null && normalized.threadId !== "" ? String(normalized.threadId) : "";
return `${normalized.channel}|${normalized.to}|${normalized.accountId ?? ""}|${threadId}`;
}
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