@thoughtspot/visual-embed-sdk/lib/src/utils/logger.js

ThoughtSpot Embed SDK

import { isUndefined } from '../utils';
import { LogLevel } from '../types';
const logFunctions = {
    [LogLevel.SILENT]: () => undefined,
    [LogLevel.ERROR]: console.error,
    [LogLevel.WARN]: console.warn,
    [LogLevel.INFO]: console.info,
    [LogLevel.DEBUG]: console.debug,
    [LogLevel.TRACE]: console.trace,
};
let globalLogLevelOverride = LogLevel.TRACE;
const setGlobalLogLevelOverride = (logLevel) => {
    globalLogLevelOverride = logLevel;
};
const logLevelToNumber = {
    [LogLevel.SILENT]: 0,
    [LogLevel.ERROR]: 1,
    [LogLevel.WARN]: 2,
    [LogLevel.INFO]: 3,
    [LogLevel.DEBUG]: 4,
    [LogLevel.TRACE]: 5,
};
const compareLogLevels = (logLevel1, logLevel2) => {
    const logLevel1Index = logLevelToNumber[logLevel1];
    const logLevel2Index = logLevelToNumber[logLevel2];
    return logLevel1Index - logLevel2Index;
};
class Logger {
    constructor() {
        this.logLevel = LogLevel.ERROR;
        this.setLogLevel = (newLogLevel) => {
            this.logLevel = newLogLevel;
        };
        this.getLogLevel = () => this.logLevel;
    }
    canLog(logLevel) {
        if (logLevel === LogLevel.SILENT)
            return false;
        if (!isUndefined(globalLogLevelOverride)) {
            return compareLogLevels(globalLogLevelOverride, logLevel) >= 0;
        }
        return compareLogLevels(this.logLevel, logLevel) >= 0;
    }
    logMessages(args, logLevel) {
        if (this.canLog(logLevel)) {
            const logFn = logFunctions[logLevel];
            if (logFn) {
                logFn(...args);
            }
        }
    }
    log(...args) {
        this.info(args);
    }
    info(...args) {
        this.logMessages(args, LogLevel.INFO);
    }
    debug(...args) {
        this.logMessages(args, LogLevel.DEBUG);
    }
    trace(...args) {
        this.logMessages(args, LogLevel.TRACE);
    }
    error(...args) {
        this.logMessages(args, LogLevel.ERROR);
    }
    warn(...args) {
        this.logMessages(args, LogLevel.WARN);
    }
}
const logger = new Logger();
export { LogLevel, logger, setGlobalLogLevelOverride };
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