wuchale/dist/log.js

Protobuf-like i18n from plain code

const colors = {
    red: 31,
    green: 32,
    yellow: 33,
    magenta: 35,
    cyan: 36,
    grey: 90,
    reset: 0,
};
const encode = (code) => `\x1b[${code}m`;
const colorFuncsEntries = Object.entries(colors).map(([col, code]) => [
    col,
    (msg) => `${encode(code)}${msg}${encode(colors.reset)}`,
]);
export const color = Object.fromEntries(colorFuncsEntries);
const logSeverity = {
    verbose: 0,
    info: 1,
    warn: 2,
    error: 3,
};
export class Logger {
    #logSeverity;
    constructor(logLevel) {
        this.#logSeverity = logSeverity[logLevel];
    }
    checkLevel = (level) => logSeverity[level] >= this.#logSeverity;
    #show = (message, level) => {
        if (!this.checkLevel(level)) {
            return;
        }
        let func = console.log;
        if (level !== 'verbose') {
            func = console[level];
        }
        func(message);
    };
    info = (msg) => this.#show(color.cyan(msg), 'info');
    warn = (msg) => this.#show(color.yellow(msg), 'warn');
    error = (msg) => this.#show(color.red(msg), 'error');
    verbose = (msg) => this.#show(color.grey(msg), 'verbose');
}