8983a9fefa
Replace raw fmt/log calls with structured slog logger (Go) and console-based logger (TypeScript). Add request logging middleware. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
51 lines
1.3 KiB
TypeScript
51 lines
1.3 KiB
TypeScript
type LogLevel = "debug" | "info" | "warn" | "error";
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const COLORS: Record<LogLevel, string> = {
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debug: "color:#888",
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info: "color:#2196F3",
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warn: "color:#FF9800",
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error: "color:#F44336;font-weight:bold",
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};
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const CONSOLE_METHOD: Record<LogLevel, "log" | "info" | "warn" | "error"> = {
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debug: "log",
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info: "info",
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warn: "warn",
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error: "error",
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};
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export interface Logger {
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debug(msg: string, ...data: unknown[]): void;
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info(msg: string, ...data: unknown[]): void;
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warn(msg: string, ...data: unknown[]): void;
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error(msg: string, ...data: unknown[]): void;
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}
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export function createLogger(namespace: string): Logger {
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const make =
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(level: LogLevel) =>
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(msg: string, ...data: unknown[]) => {
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const ts = new Date().toISOString().slice(11, 23);
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const prefix = `%c${ts} [${namespace}]`;
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if (data.length > 0) {
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console[CONSOLE_METHOD[level]](prefix, COLORS[level], msg, ...data);
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} else {
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console[CONSOLE_METHOD[level]](prefix, COLORS[level], msg);
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}
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};
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return {
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debug: make("debug"),
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info: make("info"),
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warn: make("warn"),
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error: make("error"),
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};
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}
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/** No-op logger for when logging is not needed. */
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export const noopLogger: Logger = {
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debug() {},
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info() {},
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warn() {},
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error() {},
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};
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