@gabriel3615/ta_analysis/dist/util/logger.js

stock ta analysis

export class Logger {
    constructor(options) {
        this.level = options.level;
        this.prefix = options.prefix;
    }
    setLevel(level) {
        this.level = level;
    }
    fmt(msg) {
        if (!this.prefix)
            return msg;
        if (typeof msg === 'string')
            return `${this.prefix} ${msg}`;
        return msg;
    }
    log(...args) {
        if (this.level === 'silent')
            return;
        // normal 与 verbose 都输出 log
        console.log(...args.map(a => this.fmt(a)));
    }
    info(...args) {
        if (this.level === 'silent')
            return;
        console.log(...args.map(a => this.fmt(a)));
    }
    verbose(...args) {
        if (this.level !== 'verbose')
            return;
        console.log(...args.map(a => this.fmt(a)));
    }
    warn(...args) {
        if (this.level === 'silent')
            return;
        console.warn(...args.map(a => this.fmt(a)));
    }
    error(...args) {
        console.error(...args.map(a => this.fmt(a)));
    }
}
export function createLogger(level = 'normal', prefix) {
    return new Logger({ level, prefix });
}
function readEnvLevel() {
    const raw = (process.env.TA_LOG_LEVEL ||
        process.env.LOG_LEVEL ||
        '').toLowerCase();
    if (raw === 'silent' || raw === 'normal' || raw === 'verbose')
        return raw;
    return 'normal';
}
export const globalLogger = createLogger(readEnvLevel(), '[TA]');
export function setGlobalLogLevel(level) {
    globalLogger.setLevel(level);
}