106 lines
2.6 KiB
TypeScript
106 lines
2.6 KiB
TypeScript
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import {
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TRACE,
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DEBUG,
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INFO,
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WARN,
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ERROR,
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FATAL,
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} from '@browser-bunyan/levels';
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const css = {
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levels: {
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trace: 'color: DeepPink',
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debug: 'color: GoldenRod',
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info: 'color: DarkTurquoise',
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warn: 'color: Purple',
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error: 'color: Crimson',
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fatal: 'color: Black',
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},
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def: 'color: DimGray',
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msg: 'color: SteelBlue',
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src: 'color: DimGray; font-style: italic; font-size: 0.9em',
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};
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export default class ConsoleFormattedStream {
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/* eslint-disable */
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write({
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childName,
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err,
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level,
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levelName,
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v,
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msg,
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name,
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src,
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time,
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...extraFields
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}: Record<string, any>) {
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let levelCss, consoleMethod;
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const defaultCss = css.def;
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const msgCss = css.msg;
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const srcCss = css.src;
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const loggerName = childName ? name + '/' + childName : name;
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//get level name and pad start with spacs
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const formattedLevelName = (
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Array(Math.max(0, 6 - levelName.length)).join(' ') + levelName
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).toUpperCase();
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if (level === TRACE) {
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levelName = 'debug';
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} else if (level === FATAL) {
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levelName = 'error';
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}
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consoleMethod =
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typeof console[levelName as 'log' | 'error' | 'warn' | 'info'] ===
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'function'
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? console[levelName as 'log' | 'error' | 'warn' | 'info']
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: console.log;
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if (level < DEBUG) {
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levelCss = css.levels.trace;
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} else if (level < INFO) {
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levelCss = css.levels.debug;
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} else if (level < WARN) {
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levelCss = css.levels.info;
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} else if (level < ERROR) {
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levelCss = css.levels.warn;
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} else if (level < FATAL) {
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levelCss = css.levels.error;
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} else {
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levelCss = css.levels.fatal;
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}
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const padZeros = (number: number, len: number) =>
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Array(len + 1 - (number + '').length).join('0') + number;
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const logArgs = [];
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// [time] level: loggerName: msg src?
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logArgs.push(`[%s:%s:%s:%s] %c%s%c: %s: %c%s ${src ? '%c%s' : ''}`);
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logArgs.push(padZeros(time.getHours(), 2));
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logArgs.push(padZeros(time.getMinutes(), 2));
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logArgs.push(padZeros(time.getSeconds(), 2));
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logArgs.push(padZeros(time.getMilliseconds(), 4));
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logArgs.push(levelCss);
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logArgs.push(formattedLevelName);
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logArgs.push(defaultCss);
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logArgs.push(loggerName);
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logArgs.push(msgCss);
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logArgs.push(msg);
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if (src) {
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logArgs.push(srcCss);
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logArgs.push(src);
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}
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if (Object.keys(extraFields).length) {
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logArgs.push('\n');
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logArgs.push(extraFields);
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}
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if (err?.stack) {
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logArgs.push('\n');
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logArgs.push(err.stack);
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}
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consoleMethod.apply(console, logArgs);
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}
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}
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