114 lines
2.8 KiB
JavaScript
114 lines
2.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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(function(){
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"use strict";
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let scope;
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if ((typeof exports) !== "undefined"){
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scope = exports;
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}
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else {
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scope = require.register("./logging", {});
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}
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let settings = false;
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scope.setSettings = async function(realSettings){
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if (!settings){
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settings = realSettings;
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await settings.loaded;
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return scope.clearQueue();
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}
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else {
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warning("logging: Settings can only be set once.");
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return settings.loaded;
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}
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};
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let prefix = "";
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function leftPad(str, char, pad){
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str = "" + str;
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return char.repeat(pad - str.length) + str;
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}
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const colors = {
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1: "color: red",
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25: "color: orange",
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50: "",
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75: "color: darkgreen",
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100: "color: blue",
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999: "background-color: lightgray"
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};
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let queue = [];
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function performLog(level, args, date){
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if (!date){
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date = new Date();
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}
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if (!settings || !settings.isInitialized() || queue.length){
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queue.push({level, args, date});
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}
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else {
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if (settings.logLevel >= level){
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let pre = "%c[CanvasBlocker] ";
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if (prefix){
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pre += prefix + ": ";
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}
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pre += "[" +
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date.getFullYear() + "-" +
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leftPad(date.getMonth() + 1, "0", 2) + "-" +
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leftPad(date.getDate(), "0", 2) + " " +
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leftPad(date.getHours(), "0", 2) + ":" +
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leftPad(date.getMinutes(), "0", 2) + ":" +
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leftPad(date.getSeconds(), "0", 2) + "." +
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leftPad(date.getMilliseconds(), "0", 3) +
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"]";
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if (typeof args[0] === "string"){
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args[0] = pre + " " + args[0];
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args.splice(1, 0, colors[level] || "");
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}
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else {
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args.unshift(colors[level] || "");
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args.unshift(pre);
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}
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// eslint-disable-next-line no-console
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console.log.apply(console, args);
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}
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}
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}
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function error (...args){performLog(1, args);}
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function warning(...args){performLog(25, args);}
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function message(...args){performLog(50, args);}
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function notice (...args){performLog(75, args);}
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function verbose(...args){performLog(100, args);}
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function metaLog(...args){performLog(999, args);}
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scope.setPrefix = function(newPrefix){
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if (!prefix){
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prefix = newPrefix;
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}
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else {
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warning("logging prefix already set (%s) cannot be set to %s", prefix, newPrefix);
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}
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};
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scope.clearQueue = function(){
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if (queue.length){
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metaLog("clear logging queue");
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const tmp = queue;
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queue = [];
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tmp.forEach(function(item){
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performLog(item.level, item.args, item.date);
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});
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metaLog("logging queue cleared");
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}
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};
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scope.error = error;
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scope.warning = warning;
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scope.message = message;
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scope.notice = notice;
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scope.verbose = verbose;
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metaLog("logging available");
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}()); |