Files
letta-code/src/cli/helpers/formatArgsDisplay.ts
2025-10-24 21:19:24 -07:00

70 lines
2.5 KiB
TypeScript

// Utility to format tool argument JSON strings into a concise display label
// Copied from old letta-code repo to preserve exact formatting behavior
// Small helpers
const isRecord = (v: unknown): v is Record<string, unknown> =>
typeof v === "object" && v !== null;
export function formatArgsDisplay(argsJson: string): {
display: string;
parsed: Record<string, unknown>;
} {
let parsed: Record<string, unknown> = {};
let display = "…";
try {
if (argsJson?.trim()) {
const p = JSON.parse(argsJson);
if (isRecord(p)) {
// Drop noisy keys for display
const clone: Record<string, unknown> = { ...p } as Record<
string,
unknown
>;
if ("request_heartbeat" in clone) delete clone.request_heartbeat;
parsed = clone;
const keys = Object.keys(parsed);
if (
keys.length === 1 &&
["query", "path", "file_path", "command", "label"].includes(keys[0])
) {
const v = parsed[keys[0]];
display = typeof v === "string" ? v : String(v);
} else {
display = Object.entries(parsed)
.map(([k, v]) => {
if (v === undefined || v === null) return `${k}=${v}`;
if (typeof v === "boolean" || typeof v === "number")
return `${k}=${v}`;
if (typeof v === "string")
return v.length > 50 ? `${k}=…` : `${k}="${v}"`;
if (Array.isArray(v)) return `${k}=[${v.length} items]`;
if (typeof v === "object")
return `${k}={${Object.keys(v as Record<string, unknown>).length} props}`;
const str = JSON.stringify(v);
return str.length > 50 ? `${k}=…` : `${k}=${str}`;
})
.join(", ");
}
}
}
} catch {
// Fallback: try to extract common keys without full JSON parse
try {
const s = argsJson || "";
const fp = /"file_path"\s*:\s*"([^"]+)"/.exec(s);
const old = /"old_string"\s*:\s*"([\s\S]*?)"\s*(,|\})/.exec(s);
const neu = /"new_string"\s*:\s*"([\s\S]*?)"\s*(,|\})/.exec(s);
const cont = /"content"\s*:\s*"([\s\S]*?)"\s*(,|\})/.exec(s);
const parts: string[] = [];
if (fp) parts.push(`file_path="${fp[1]}"`);
if (old) parts.push(`old_string=…`);
if (neu) parts.push(`new_string=…`);
if (cont) parts.push(`content=…`);
if (parts.length) display = parts.join(", ");
} catch {
// If all else fails, use the ellipsis
}
}
return { display, parsed };
}