import {
normalizeLowercaseStringOrEmpty,
normalizeOptionalLowercaseString,
normalizeOptionalString,
} from "./string-coerce.js" ;
export type NodeMatchCandidate = {
nodeId: string;
displayName?: string;
remoteIp?: string;
connected?: boolean ;
clientId?: string;
};
type ScoredNodeMatch = {
node: NodeMatchCandidate;
matchScore: number;
selectionScore: number;
};
export function normalizeNodeKey(value: string) {
return normalizeLowercaseStringOrEmpty(value)
.replace(/[^a-z0-9 ]+/g, "-" )
.replace(/^-+/, "" )
.replace(/-+$/, "" );
}
function listKnownNodes(nodes: NodeMatchCandidate[]): string {
return nodes
.map((n) => n.displayName || n.remoteIp || n.nodeId)
.filter(Boolean )
.join(", " );
}
function formatNodeCandidateLabel(node: NodeMatchCandidate): string {
const label = node.displayName || node.remoteIp || node.nodeId;
const details = [`node=${node.nodeId}`];
const clientId = normalizeOptionalString(node.clientId);
if (clientId) {
details.push(`client=${clientId}`);
}
return `${label} [${details.join(", " )}]`;
}
function isCurrentOpenClawClient(clientId: string | undefined): boolean {
const normalized = normalizeOptionalLowercaseString(clientId) ?? "" ;
return normalized.startsWith("openclaw-" );
}
function isLegacyClawdbotClient(clientId: string | undefined): boolean {
const normalized = normalizeOptionalLowercaseString(clientId) ?? "" ;
return normalized.startsWith("clawdbot-" ) || normalized.startsWith("moldbot-" );
}
function pickPreferredLegacyMigrationMatch(
matches: NodeMatchCandidate[],
): NodeMatchCandidate | undefined {
const current = matches.filter((match) => isCurrentOpenClawClient(match.clientId));
if (current.length !== 1 ) {
return undefined;
}
const legacyCount = matches.filter((match) => isLegacyClawdbotClient(match.clientId)).length;
if (legacyCount === 0 || current.length + legacyCount !== matches.length) {
return undefined;
}
return current[0 ];
}
function resolveMatchScore(
node: NodeMatchCandidate,
query: string,
queryNormalized: string,
): number {
if (node.nodeId === query) {
return 4 _000 ;
}
if (typeof node.remoteIp === "string" && node.remoteIp === query) {
return 3 _000 ;
}
const name = typeof node.displayName === "string" ? node.displayName : "" ;
if (name && normalizeNodeKey(name) === queryNormalized) {
return 2 _000 ;
}
if (query.length >= 6 && node.nodeId.startsWith(query)) {
return 1 _000 ;
}
return 0 ;
}
function scoreNodeCandidate(node: NodeMatchCandidate, matchScore: number): number {
let score = matchScore;
if (node.connected === true ) {
score += 100 ;
}
if (isCurrentOpenClawClient(node.clientId)) {
score += 10 ;
} else if (isLegacyClawdbotClient(node.clientId)) {
score -= 10 ;
}
return score;
}
function resolveScoredMatches(nodes: NodeMatchCandidate[], query: string): ScoredNodeMatch[] {
const trimmed = normalizeOptionalString(query);
if (!trimmed) {
return [];
}
const normalized = normalizeNodeKey(trimmed);
return nodes
.map((node) => {
const matchScore = resolveMatchScore(node, trimmed, normalized);
if (matchScore === 0 ) {
return null ;
}
return {
node,
matchScore,
selectionScore: scoreNodeCandidate(node, matchScore),
};
})
.filter((entry): entry is ScoredNodeMatch => entry !== null );
}
export function resolveNodeMatches(
nodes: NodeMatchCandidate[],
query: string,
): NodeMatchCandidate[] {
return resolveScoredMatches(nodes, query).map((entry) => entry.node);
}
export function resolveNodeIdFromCandidates(nodes: NodeMatchCandidate[], query: string): string {
const q = query.trim();
if (!q) {
throw new Error("node required" );
}
const rawMatches = resolveScoredMatches(nodes, q);
if (rawMatches.length === 1 ) {
return rawMatches[0 ]?.node.nodeId ?? "" ;
}
if (rawMatches.length === 0 ) {
const known = listKnownNodes(nodes);
throw new Error(`unknown node: ${q}${known ? ` (known: ${known})` : "" }`);
}
const topMatchScore = Math.max(...rawMatches.map((match) => match.matchScore));
const strongestMatches = rawMatches.filter((match) => match.matchScore === topMatchScore);
if (strongestMatches.length === 1 ) {
return strongestMatches[0 ]?.node.nodeId ?? "" ;
}
const topSelectionScore = Math.max(...strongestMatches.map((match) => match.selectionScore));
const matches = strongestMatches.filter((match) => match.selectionScore === topSelectionScore);
if (matches.length === 1 ) {
return matches[0 ]?.node.nodeId ?? "" ;
}
const preferred = pickPreferredLegacyMigrationMatch(matches.map((match) => match.node));
if (preferred) {
return preferred.nodeId;
}
throw new Error(
`ambiguous node: ${q} (matches: ${matches.map((match) => formatNodeCandidateLabel(match.node)).join(", " )})`,
);
}
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(vorverarbeitet am 2026-06-10)
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