import type { ToolLifecycleItemType } from "@t3tools/contracts"; function asRecord(value: unknown): Record<string, unknown> | undefined { return value !== null && typeof value === "object" && !Array.isArray(value) ? (value as Record<string, unknown>) : undefined;} function asTrimmedString(value: unknown): string | undefined { if (typeof value !== "string") { return undefined; } const trimmed = value.trim(); return trimmed.length > 0 ? trimmed : undefined;} function normalizeCommandValue(value: unknown): string | undefined { const direct = asTrimmedString(value); if (direct) { return direct; } if (!Array.isArray(value)) { return undefined; } const parts: string[] = []; for (const entry of value) { const part = asTrimmedString(entry); if (part !== undefined) { parts.push(part); } } return parts.length > 0 ? parts.join(" ") : undefined;} function stripTrailingExitCode(value: string | undefined): string | undefined { const trimmed = value?.trim(); if (!trimmed) { return undefined; } const match = /^(?<output>[\s\S]*?)(?:\s*<exited with exit code \d+>)\s*$/iu.exec(trimmed); const output = match?.groups?.output?.trim() ?? trimmed; return output.length > 0 ? output : undefined;} function extractCommandFromTitle(title: string | undefined): string | undefined { if (!title) { return undefined; } const backtickMatch = /`([^`]+)`/u.exec(title); return backtickMatch?.[1]?.trim() || undefined;} function extractToolCommand(data: Record<string, unknown> | undefined, title: string | undefined) { const item = asRecord(data?.item); const itemInput = asRecord(item?.input); const itemResult = asRecord(item?.result); const rawInput = asRecord(data?.rawInput); const candidates = [ normalizeCommandValue(item?.command), normalizeCommandValue(itemInput?.command), normalizeCommandValue(itemResult?.command), normalizeCommandValue(data?.command), normalizeCommandValue(rawInput?.command), ]; const direct = candidates.find((candidate) => candidate !== undefined); if (direct) { return direct; } const executable = asTrimmedString(rawInput?.executable); const args = normalizeCommandValue(rawInput?.args); if (executable && args) { return `${executable} ${args}`; } if (executable) { return executable; } return extractCommandFromTitle(title);} function maybePathLike(value: string | undefined): string | undefined { if (!value) { return undefined; } if ( value.includes("/") || value.includes("\\") || value.startsWith(".") || /\.(?:[a-z0-9]{1,12})$/iu.test(value) ) { return value; } return undefined;} function collectPaths(value: unknown, paths: string[], seen: Set<string>, depth: number): void { if (depth > 4 || paths.length >= 8) { return; } if (Array.isArray(value)) { for (const entry of value) { collectPaths(entry, paths, seen, depth + 1); if (paths.length >= 8) { return; } } return; } const record = asRecord(value); if (!record) { return; } for (const key of ["path", "filePath", "relativePath", "filename", "newPath", "oldPath"]) { const candidate = maybePathLike(asTrimmedString(record[key])); if (!candidate || seen.has(candidate)) { continue; } seen.add(candidate); paths.push(candidate); if (paths.length >= 8) { return; } } for (const nestedKey of ["locations", "item", "input", "result", "rawInput", "data", "changes"]) { if (!(nestedKey in record)) { continue; } collectPaths(record[nestedKey], paths, seen, depth + 1); if (paths.length >= 8) { return; } }} function extractPrimaryPath(data: Record<string, unknown> | undefined): string | undefined { const paths: string[] = []; collectPaths(data, paths, new Set<string>(), 0); return paths[0];} function normalizeEquivalentValue(value: string | undefined): string | undefined { const trimmed = asTrimmedString(value); if (!trimmed) { return undefined; } return trimmed .replace(/\s+/gu, " ") .replace(/\s+(?:complete|completed|started)\s*$/iu, "") .trim();} function isEquivalent(left: string | undefined, right: string | undefined): boolean { const normalizedLeft = normalizeEquivalentValue(left)?.toLowerCase(); const normalizedRight = normalizeEquivalentValue(right)?.toLowerCase(); return normalizedLeft !== undefined && normalizedLeft === normalizedRight;} function classifyToolAction(input: { readonly itemType?: ToolLifecycleItemType | null | undefined; readonly title?: string | undefined; readonly data?: Record<string, unknown> | undefined;}): "command" | "read" | "file_change" | "search" | "other" { const itemType = input.itemType ?? undefined; const kind = asTrimmedString(input.data?.kind)?.toLowerCase(); const title = asTrimmedString(input.title)?.toLowerCase(); if (itemType === "command_execution" || kind === "execute" || title === "terminal") { return "command"; } if (kind === "read" || title === "read file") { return "read"; } if ( itemType === "file_change" || kind === "edit" || kind === "move" || kind === "delete" || kind === "write" ) { return "file_change"; } if (itemType === "web_search" || kind === "search" || title === "find" || title === "grep") { return "search"; } return "other";} export interface ToolActivityPresentationInput { readonly itemType?: ToolLifecycleItemType | null | undefined; readonly title?: string | null | undefined; readonly detail?: string | null | undefined; readonly data?: unknown; readonly fallbackSummary?: string | null | undefined;} export interface ToolActivityPresentation { readonly summary: string; readonly detail?: string | undefined;} export function deriveToolActivityPresentation( input: ToolActivityPresentationInput,): ToolActivityPresentation { const title = asTrimmedString(input.title); const detail = stripTrailingExitCode(asTrimmedString(input.detail)); const fallbackSummary = asTrimmedString(input.fallbackSummary) ?? "Tool"; const data = asRecord(input.data); const command = extractToolCommand(data, title); const primaryPath = extractPrimaryPath(data); const action = classifyToolAction({ itemType: input.itemType, title, data, }); if (action === "command") { return { summary: "Ran command", ...(command ? { detail: command } : {}), }; } if (action === "read") { if (primaryPath) { return { summary: "Read file", detail: primaryPath, }; } return { summary: "Read file", }; } if (action === "file_change") { return { summary: "Changed files", ...(primaryPath ? { detail: primaryPath } : {}), }; } if (action === "search") { const query = asTrimmedString(asRecord(data?.rawInput)?.query) ?? asTrimmedString(asRecord(data?.rawInput)?.pattern) ?? asTrimmedString(asRecord(data?.rawInput)?.searchTerm); return { summary: "Searched files", ...(query ? { detail: query } : {}), }; } if (detail && !isEquivalent(detail, title) && !isEquivalent(detail, fallbackSummary)) { return { summary: title ?? fallbackSummary, detail, }; } return { summary: title ?? fallbackSummary, };}
import type { ToolLifecycleItemType } from "@t3tools/contracts";
function asRecord(value: unknown): Record<string, unknown> | undefined {
return value !== null && typeof value === "object" && !Array.isArray(value)
? (value as Record<string, unknown>)
: undefined;
}
function asTrimmedString(value: unknown): string | undefined {
if (typeof value !== "string") {
return undefined;
}
const trimmed = value.trim();
return trimmed.length > 0 ? trimmed : undefined;
}
function normalizeCommandValue(value: unknown): string | undefined {
const direct = asTrimmedString(value);
if (direct) {
return direct;
}
if (!Array.isArray(value)) {
return undefined;
}
const parts: string[] = [];
for (const entry of value) {
const part = asTrimmedString(entry);
if (part !== undefined) {
parts.push(part);
}
}
return parts.length > 0 ? parts.join(" ") : undefined;
}
function stripTrailingExitCode(value: string | undefined): string | undefined {
const trimmed = value?.trim();
if (!trimmed) {
return undefined;
}
const match = /^(?<output>[\s\S]*?)(?:\s*<exited with exit code \d+>)\s*$/iu.exec(trimmed);
const output = match?.groups?.output?.trim() ?? trimmed;
return output.length > 0 ? output : undefined;
}
function extractCommandFromTitle(title: string | undefined): string | undefined {
if (!title) {
return undefined;
}
const backtickMatch = /`([^`]+)`/u.exec(title);
return backtickMatch?.[1]?.trim() || undefined;
}
function extractToolCommand(data: Record<string, unknown> | undefined, title: string | undefined) {
const item = asRecord(data?.item);
const itemInput = asRecord(item?.input);
const itemResult = asRecord(item?.result);
const rawInput = asRecord(data?.rawInput);
const candidates = [
normalizeCommandValue(item?.command),
normalizeCommandValue(itemInput?.command),
normalizeCommandValue(itemResult?.command),
normalizeCommandValue(data?.command),
normalizeCommandValue(rawInput?.command),
];
const direct = candidates.find((candidate) => candidate !== undefined);
if (direct) {
return direct;
}
const executable = asTrimmedString(rawInput?.executable);
const args = normalizeCommandValue(rawInput?.args);
if (executable && args) {
return `${executable} ${args}`;
}
if (executable) {
return executable;
}
return extractCommandFromTitle(title);
}
function maybePathLike(value: string | undefined): string | undefined {
if (!value) {
return undefined;
}
if (
value.includes("/") ||
value.includes("\\") ||
value.startsWith(".") ||
/\.(?:[a-z0-9]{1,12})$/iu.test(value)
) {
return value;
}
return undefined;
}
function collectPaths(value: unknown, paths: string[], seen: Set<string>, depth: number): void {
if (depth > 4 || paths.length >= 8) {
return;
}
if (Array.isArray(value)) {
for (const entry of value) {
collectPaths(entry, paths, seen, depth + 1);
if (paths.length >= 8) {
return;
}
}
return;
}
const record = asRecord(value);
if (!record) {
return;
}
for (const key of ["path", "filePath", "relativePath", "filename", "newPath", "oldPath"]) {
const candidate = maybePathLike(asTrimmedString(record[key]));
if (!candidate || seen.has(candidate)) {
continue;
}
seen.add(candidate);
paths.push(candidate);
if (paths.length >= 8) {
return;
}
}
for (const nestedKey of ["locations", "item", "input", "result", "rawInput", "data", "changes"]) {
if (!(nestedKey in record)) {
continue;
}
collectPaths(record[nestedKey], paths, seen, depth + 1);
if (paths.length >= 8) {
return;
}
}
}
function extractPrimaryPath(data: Record<string, unknown> | undefined): string | undefined {
const paths: string[] = [];
collectPaths(data, paths, new Set<string>(), 0);
return paths[0];
}
function normalizeEquivalentValue(value: string | undefined): string | undefined {
const trimmed = asTrimmedString(value);
if (!trimmed) {
return undefined;
}
return trimmed
.replace(/\s+/gu, " ")
.replace(/\s+(?:complete|completed|started)\s*$/iu, "")
.trim();
}
function isEquivalent(left: string | undefined, right: string | undefined): boolean {
const normalizedLeft = normalizeEquivalentValue(left)?.toLowerCase();
const normalizedRight = normalizeEquivalentValue(right)?.toLowerCase();
return normalizedLeft !== undefined && normalizedLeft === normalizedRight;
}
function classifyToolAction(input: {
readonly itemType?: ToolLifecycleItemType | null | undefined;
readonly title?: string | undefined;
readonly data?: Record<string, unknown> | undefined;
}): "command" | "read" | "file_change" | "search" | "other" {
const itemType = input.itemType ?? undefined;
const kind = asTrimmedString(input.data?.kind)?.toLowerCase();
const title = asTrimmedString(input.title)?.toLowerCase();
if (itemType === "command_execution" || kind === "execute" || title === "terminal") {
return "command";
}
if (kind === "read" || title === "read file") {
return "read";
}
if (
itemType === "file_change" ||
kind === "edit" ||
kind === "move" ||
kind === "delete" ||
kind === "write"
) {
return "file_change";
}
if (itemType === "web_search" || kind === "search" || title === "find" || title === "grep") {
return "search";
}
return "other";
}
export interface ToolActivityPresentationInput {
readonly itemType?: ToolLifecycleItemType | null | undefined;
readonly title?: string | null | undefined;
readonly detail?: string | null | undefined;
readonly data?: unknown;
readonly fallbackSummary?: string | null | undefined;
}
export interface ToolActivityPresentation {
readonly summary: string;
readonly detail?: string | undefined;
}
export function deriveToolActivityPresentation(
input: ToolActivityPresentationInput,
): ToolActivityPresentation {
const title = asTrimmedString(input.title);
const detail = stripTrailingExitCode(asTrimmedString(input.detail));
const fallbackSummary = asTrimmedString(input.fallbackSummary) ?? "Tool";
const data = asRecord(input.data);
const command = extractToolCommand(data, title);
const primaryPath = extractPrimaryPath(data);
const action = classifyToolAction({
itemType: input.itemType,
title,
data,
});
if (action === "command") {
return {
summary: "Ran command",
...(command ? { detail: command } : {}),
};
}
if (action === "read") {
if (primaryPath) {
return {
summary: "Read file",
detail: primaryPath,
};
}
return {
summary: "Read file",
};
}
if (action === "file_change") {
return {
summary: "Changed files",
...(primaryPath ? { detail: primaryPath } : {}),
};
}
if (action === "search") {
const query =
asTrimmedString(asRecord(data?.rawInput)?.query) ??
asTrimmedString(asRecord(data?.rawInput)?.pattern) ??
asTrimmedString(asRecord(data?.rawInput)?.searchTerm);
return {
summary: "Searched files",
...(query ? { detail: query } : {}),
};
}
if (detail && !isEquivalent(detail, title) && !isEquivalent(detail, fallbackSummary)) {
return {
summary: title ?? fallbackSummary,
detail,
};
}
return {
summary: title ?? fallbackSummary,
};
}