118 lines
2.8 KiB
TypeScript
118 lines
2.8 KiB
TypeScript
// LOG LEVELS:
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// 0: Fatal
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// 1: Error
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// 2: Warn
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// 3: Info
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// 4: Debug
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// Logs are written in-memory and logged to console if logLevel > showLogLevel
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let loglevel = 0;
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export const LEVEL_FATAL = 0;
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export const LEVEL_ERROR = 1;
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export const LEVEL_WARN = 2;
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export const LEVEL_INFO = 3;
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export const LEVEL_DEBUG = 4;
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interface LogLine {
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level: number,
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module: string,
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message: string,
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timestamp: number,
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deltaStart: number,
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deltaLast: number
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}
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const debugLog: Array<LogLine> = [];
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let timestampStart: number;
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let deltaTimestamp: number;
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let logger: Logger;
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let loggerSetup = false;
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export function logSetup() {
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if (loggerSetup) return;
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loggerSetup = true;
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timestampStart = Date.now();
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deltaTimestamp = Date.now();
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logger = new Logger("Logger.ts");
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consoleLogLevel(LEVEL_INFO);
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logger.info("Logger setup complete");
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}
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function log(level: number, module: string, message: string) {
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const log = {
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level: level,
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module: module,
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message: message,
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timestamp: Date.now(),
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deltaStart: Date.now() - timestampStart,
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deltaLast: Date.now() - deltaTimestamp
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};
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deltaTimestamp = Date.now();
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debugLog.push(log);
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consoleLogHandler(log);
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}
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function consoleLogHandler(log: LogLine) {
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if (import.meta.env.SSR) return; // no logging in ssr
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if (log.level <= loglevel) {
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let textstyle = "";
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switch (log.level) {
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case 0:
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textstyle = "color:red;font-weight:bold;";
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break;
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case 1:
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textstyle = "color:red;";
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break;
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case 2:
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textstyle = "color:yellow;";
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break;
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case 3:
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textstyle = "";
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break;
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case 4:
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textstyle = "color:gray;";
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break;
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}
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console.log(`%c${new Date(log.timestamp).toISOString()} ${(log.deltaStart / 1000).toFixed(3)}Σ ${(log.deltaLast / 1000).toFixed(3)}Δ\n%c[${log.module}]%c ${log.message}`, "color:gray", "color:#8c188c", textstyle);
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}
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}
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export function consoleLogLevel(level: number) {
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loglevel = level;
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}
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export function consoleLogDump() {
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for (let i = 0; i < debugLog.length; i++) {
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consoleLogHandler(debugLog[i]);
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}
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}
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export class Logger {
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private readonly name: string;
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constructor(name: string) {
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this.name = name;
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}
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fatal(message: any) {
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log(LEVEL_FATAL, this.name, message)
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}
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error(message: any) {
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log(LEVEL_ERROR, this.name, message)
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}
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warn(message: any) {
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log(LEVEL_WARN, this.name, message)
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}
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info(message: any) {
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log(LEVEL_INFO, this.name, message)
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}
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debug(message: any) {
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log(LEVEL_DEBUG, this.name, message)
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}
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} |