mirror of
https://github.com/mermaid-js/mermaid.git
synced 2025-01-28 07:03:17 +08:00
90 lines
2.8 KiB
TypeScript
90 lines
2.8 KiB
TypeScript
/* eslint-disable @typescript-eslint/no-explicit-any */
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/* eslint-disable @typescript-eslint/no-unused-vars */
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/* eslint-disable @typescript-eslint/no-empty-function */
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/* eslint-disable no-console */
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import moment from 'moment-mini';
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export type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'fatal';
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export const LEVELS: Record<LogLevel, number> = {
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trace: 0,
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debug: 1,
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info: 2,
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warn: 3,
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error: 4,
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fatal: 5,
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};
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export const log: Record<keyof typeof LEVELS, typeof console.log> = {
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trace: (..._args: any[]) => {},
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debug: (..._args: any[]) => {},
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info: (..._args: any[]) => {},
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warn: (..._args: any[]) => {},
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error: (..._args: any[]) => {},
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fatal: (..._args: any[]) => {},
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};
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/**
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* Sets a log level
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*
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* @param {LogLevel} [level="fatal"] The level to set the logging to. Default is `"fatal"`
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*/
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export const setLogLevel = function (level: keyof typeof LEVELS | number | string = 'fatal') {
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let numericLevel: number = LEVELS.fatal;
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if (typeof level === 'string') {
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level = level.toLowerCase();
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if (level in LEVELS) {
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numericLevel = LEVELS[level as keyof typeof LEVELS];
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}
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} else if (typeof level === 'number') {
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numericLevel = level;
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}
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log.trace = () => {};
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log.debug = () => {};
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log.info = () => {};
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log.warn = () => {};
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log.error = () => {};
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log.fatal = () => {};
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if (numericLevel <= LEVELS.fatal) {
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log.fatal = console.error
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? console.error.bind(console, format('FATAL'), 'color: orange')
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: console.log.bind(console, '\x1b[35m', format('FATAL'));
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}
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if (numericLevel <= LEVELS.error) {
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log.error = console.error
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? console.error.bind(console, format('ERROR'), 'color: orange')
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: console.log.bind(console, '\x1b[31m', format('ERROR'));
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}
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if (numericLevel <= LEVELS.warn) {
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log.warn = console.warn
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? console.warn.bind(console, format('WARN'), 'color: orange')
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: console.log.bind(console, `\x1b[33m`, format('WARN'));
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}
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if (numericLevel <= LEVELS.info) {
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log.info = console.info
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? console.info.bind(console, format('INFO'), 'color: lightblue')
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: console.log.bind(console, '\x1b[34m', format('INFO'));
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}
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if (numericLevel <= LEVELS.debug) {
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log.debug = console.debug
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? console.debug.bind(console, format('DEBUG'), 'color: lightgreen')
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: console.log.bind(console, '\x1b[32m', format('DEBUG'));
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}
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if (numericLevel <= LEVELS.trace) {
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log.trace = console.debug
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? console.debug.bind(console, format('TRACE'), 'color: lightgreen')
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: console.log.bind(console, '\x1b[32m', format('TRACE'));
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}
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};
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/**
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* Returns a format with the timestamp and the log level
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*
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* @param {LogLevel} level The level for the log format
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* @returns {string} The format with the timestamp and log level
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*/
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const format = (level: string): string => {
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const time = moment().format('ss.SSS');
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return `%c${time} : ${level} : `;
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};
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