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import { Readable } from "node:stream";
import chalk from "kleur";
import debugUtil from "debug";
const debug = debugUtil("Eleventy:Logger");
/**
* Logger implementation that logs to STDOUT.
* @typedef {'error'|'log'|'warn'|'info'} LogType
*/
class ConsoleLogger {
/** @type {boolean} */
#isVerbose = true;
/** @type {boolean} */
#isChalkEnabled = true;
/** @type {object|boolean|undefined} */
#logger;
/** @type {Readable|undefined} */
#outputStream;
constructor() {}
isLoggingEnabled() {
if (!this.isVerbose || process.env.DEBUG) {
return true;
}
return this.#logger !== false;
}
get isVerbose() {
return this.#isVerbose;
}
set isVerbose(verbose) {
this.#isVerbose = !!verbose;
}
get isChalkEnabled() {
return this.#isChalkEnabled;
}
set isChalkEnabled(enabled) {
this.#isChalkEnabled = !!enabled;
}
overrideLogger(logger) {
this.#logger = logger;
}
get logger() {
return this.#logger || console;
}
/** @param {string} msg */
log(msg) {
this.message(msg);
}
/**
* @typedef LogOptions
* @property {string} message
* @property {string=} prefix
* @property {LogType=} type
* @property {string=} color
* @property {boolean=} force
* @param {LogOptions} options
*/
logWithOptions({ message, type, prefix, color, force }) {
this.message(message, type, color, force, prefix);
}
/** @param {string} msg */
forceLog(msg) {
this.message(msg, undefined, undefined, true);
}
/** @param {string} msg */
info(msg) {
this.message(msg, "warn", "blue");
}
/** @param {string} msg */
warn(msg) {
this.message(msg, "warn", "yellow");
}
/** @param {string} msg */
error(msg) {
this.message(msg, "error", "red");
}
get outputStream() {
if (!this.#outputStream) {
this.#outputStream = new Readable({
read() {},
});
}
return this.#outputStream;
}
/** @param {string} msg */
toStream(msg) {
this.outputStream.push(msg);
}
closeStream() {
this.outputStream.push(null);
return this.outputStream;
}
/**
* Formats the message to log.
*
* @param {string} message - The raw message to log.
* @param {LogType} [type='log'] - The error level to log.
* @param {string|undefined} [chalkColor=undefined] - Color name or falsy to disable
* @param {boolean} [forceToConsole=false] - Enforce a log on console instead of specified target.
*/
message(
message,
type = "log",
chalkColor = undefined,
forceToConsole = false,
prefix = "[11ty]",
) {
if (!forceToConsole && (!this.isVerbose || process.env.DEBUG)) {
debug(message);
} else if (this.#logger !== false) {
message = `${chalk.gray(prefix)} ${message.split("\n").join(`\n${chalk.gray(prefix)} `)}`;
if (chalkColor && this.isChalkEnabled) {
this.logger[type](chalk[chalkColor](message));
} else {
this.logger[type](message);
}
}
}
}
export default ConsoleLogger;
|
