auth/src/logger.ts
2024-08-05 16:15:15 -04:00

124 lines
2.8 KiB
TypeScript

// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import {
AnnotationProperties,
debug as logDebug,
error as logError,
info as logInfo,
notice as logNotice,
warning as logWarning,
} from '@actions/core';
/**
* LoggerFunction is the type signature of a log function for the GitHub Actions
* SDK.
*/
// eslint-disable-next-line no-unused-vars
type LoggerFunction = (message: string, properties?: AnnotationProperties) => void;
/**
* Logger is a class that handles namespaced logging.
*/
export class Logger {
readonly #namespace?: string;
constructor(namespace?: string) {
this.#namespace = namespace;
}
withNamespace(namespace: string): Logger {
const { constructor } = Object.getPrototypeOf(this);
if (this.#namespace) {
return new constructor(`${this.#namespace}.${namespace}`);
}
return new constructor(namespace);
}
debug(...args: any[]) {
this.logMessage(logDebug, ...args);
}
error(...args: any[]) {
this.logMessage(logError, ...args);
}
info(...args: any[]) {
this.logMessage(logInfo, ...args);
}
notice(...args: any[]) {
this.logMessage(logNotice, ...args);
}
warning(...args: any[]) {
this.logMessage(logWarning, ...args);
}
protected logMessage(loggerFn: LoggerFunction, ...args: object[]) {
if (!args || args.length === 0) {
return;
}
let message = '';
if (this.#namespace) {
message += this.#namespace + ': ';
}
for (let i = 0; i < args.length; i++) {
const obj = args[i];
if (typeof obj === 'undefined' || obj === undefined || obj === null) {
continue;
}
if (typeof obj === 'string' || obj instanceof String) {
message += obj;
} else {
message += JSON.stringify(obj, null, 2);
}
if (i < args.length - 1) {
message += ', ';
}
}
loggerFn(message);
}
}
/**
* NullLogger is a logger that doesn't actually emit any output.
*/
export class NullLogger extends Logger {
debug(...args: any[]) {
this.logMessage(() => {}, ...args);
}
error(...args: any[]) {
this.logMessage(() => {}, ...args);
}
info(...args: any[]) {
this.logMessage(() => {}, ...args);
}
notice(...args: any[]) {
this.logMessage(() => {}, ...args);
}
warning(...args: any[]) {
this.logMessage(() => {}, ...args);
}
}