agentcrumbs
Version:
Debug mode for any agent.
64 lines • 2.4 kB
JavaScript
import { inspect } from "node:util";
import { colorize, dim, bold, getNamespaceColor } from "../colors.js";
function formatDelta(dt) {
if (dt < 1000)
return `+${Math.round(dt)}ms`;
if (dt < 60000)
return `+${(dt / 1000).toFixed(1)}s`;
return `+${(dt / 60000).toFixed(1)}m`;
}
function formatData(data) {
if (data === undefined || data === null)
return "";
return inspect(data, { colors: true, compact: true, depth: 4, breakLength: Infinity });
}
function indent(depth) {
return " ".repeat(depth);
}
export class ConsoleSink {
write(crumb) {
const color = getNamespaceColor(crumb.ns);
const ns = colorize(crumb.ns, color);
const dt = dim(formatDelta(crumb.dt));
const depth = crumb.depth ?? 0;
const pad = indent(depth);
let line;
switch (crumb.type) {
case "scope:enter":
line = `${ns} ${pad}${bold(`[${crumb.msg}]`)} ${dim("->")} enter ${dt}`;
break;
case "scope:exit":
line = `${ns} ${pad}${bold(`[${crumb.msg}]`)} ${dim("<-")} exit ${dt}`;
break;
case "scope:error":
line = `${ns} ${pad}${bold(`[${crumb.msg}]`)} ${dim("!!")} error ${dt}`;
break;
case "snapshot":
line = `${ns} ${pad}${dim("snapshot:")} ${crumb.msg} ${dt}`;
break;
case "assert":
line = `${ns} ${pad}${dim("assert:")} ${crumb.msg} ${dt}`;
break;
case "time":
line = `${ns} ${pad}${dim("time:")} ${crumb.msg} ${dt}`;
break;
case "session:start":
line = `${ns} ${pad}${bold("session start:")} ${crumb.msg} ${dim(`[${crumb.sid}]`)} ${dt}`;
break;
case "session:end":
line = `${ns} ${pad}${bold("session end:")} ${crumb.msg} ${dim(`[${crumb.sid}]`)} ${dt}`;
break;
default:
line = `${ns} ${pad}${crumb.msg} ${dt}`;
}
if (crumb.tags && crumb.tags.length > 0) {
line += ` ${dim(`[${crumb.tags.join(", ")}]`)}`;
}
const dataStr = formatData(crumb.data);
if (dataStr) {
line += ` ${dataStr}`;
}
process.stderr.write(line + "\n");
}
}
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