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- "use strict";
- const { LogType } = require("./Logger");
- const filterToFunction = item => {
- if (typeof item === "string") {
- const regExp = new RegExp(
- `[\\\\/]${item.replace(/[-[\]{}()*+?.\\^$|]/g, "\\$&")}([\\\\/]|$|!|\\?)`
- );
- return ident => regExp.test(ident);
- }
- if (item && typeof item === "object" && typeof item.test === "function") {
- return ident => item.test(ident);
- }
- if (typeof item === "function") {
- return item;
- }
- if (typeof item === "boolean") {
- return () => item;
- }
- };
- const LogLevel = {
- none: 6,
- false: 6,
- error: 5,
- warn: 4,
- info: 3,
- log: 2,
- true: 2,
- verbose: 1
- };
- module.exports = ({ level = "info", debug = false, console }) => {
- const debugFilters =
-
- (
- typeof debug === "boolean"
- ? [() => debug]
- : ([])
- .concat(debug)
- .map(filterToFunction)
- );
-
- const loglevel = LogLevel[`${level}`] || 0;
-
- const logger = (name, type, args) => {
- const labeledArgs = () => {
- if (Array.isArray(args)) {
- if (args.length > 0 && typeof args[0] === "string") {
- return [`[${name}] ${args[0]}`, ...args.slice(1)];
- } else {
- return [`[${name}]`, ...args];
- }
- } else {
- return [];
- }
- };
- const debug = debugFilters.some(f => f(name));
- switch (type) {
- case LogType.debug:
- if (!debug) return;
- if (typeof console.debug === "function") {
- console.debug(...labeledArgs());
- } else {
- console.log(...labeledArgs());
- }
- break;
- case LogType.log:
- if (!debug && loglevel > LogLevel.log) return;
- console.log(...labeledArgs());
- break;
- case LogType.info:
- if (!debug && loglevel > LogLevel.info) return;
- console.info(...labeledArgs());
- break;
- case LogType.warn:
- if (!debug && loglevel > LogLevel.warn) return;
- console.warn(...labeledArgs());
- break;
- case LogType.error:
- if (!debug && loglevel > LogLevel.error) return;
- console.error(...labeledArgs());
- break;
- case LogType.trace:
- if (!debug) return;
- console.trace();
- break;
- case LogType.groupCollapsed:
- if (!debug && loglevel > LogLevel.log) return;
- if (!debug && loglevel > LogLevel.verbose) {
- if (typeof console.groupCollapsed === "function") {
- console.groupCollapsed(...labeledArgs());
- } else {
- console.log(...labeledArgs());
- }
- break;
- }
-
- case LogType.group:
- if (!debug && loglevel > LogLevel.log) return;
- if (typeof console.group === "function") {
- console.group(...labeledArgs());
- } else {
- console.log(...labeledArgs());
- }
- break;
- case LogType.groupEnd:
- if (!debug && loglevel > LogLevel.log) return;
- if (typeof console.groupEnd === "function") {
- console.groupEnd();
- }
- break;
- case LogType.time: {
- if (!debug && loglevel > LogLevel.log) return;
- const ms = args[1] * 1000 + args[2] / 1000000;
- const msg = `[${name}] ${args[0]}: ${ms} ms`;
- if (typeof console.logTime === "function") {
- console.logTime(msg);
- } else {
- console.log(msg);
- }
- break;
- }
- case LogType.profile:
- if (typeof console.profile === "function") {
- console.profile(...labeledArgs());
- }
- break;
- case LogType.profileEnd:
- if (typeof console.profileEnd === "function") {
- console.profileEnd(...labeledArgs());
- }
- break;
- case LogType.clear:
- if (!debug && loglevel > LogLevel.log) return;
- if (typeof console.clear === "function") {
- console.clear();
- }
- break;
- case LogType.status:
- if (!debug && loglevel > LogLevel.info) return;
- if (typeof console.status === "function") {
- if (args.length === 0) {
- console.status();
- } else {
- console.status(...labeledArgs());
- }
- } else {
- if (args.length !== 0) {
- console.info(...labeledArgs());
- }
- }
- break;
- default:
- throw new Error(`Unexpected LogType ${type}`);
- }
- };
- return logger;
- };
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