34 lines
805 B
JavaScript
34 lines
805 B
JavaScript
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const { createLogger, format, transports } = require('winston')
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const { combine, timestamp, printf } = format
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module.exports.create = create
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function create(options) {
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const fileFormat = printf(({ level, message, timestamp }) => {
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return `[${timestamp}] ${level.toUpperCase()}: ${message}`
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})
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const consoleFormat = printf(({ level, message, timestamp }) => {
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if (level === 'error') return ` Error: ${message}`
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return message
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})
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const t = [new transports.Console({ format: consoleFormat })]
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if (options.log) {
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t.push(
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new transports.File({
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filename: path.resolve(options.log),
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format: combine(timestamp(), fileFormat),
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options: { flags: 'w' }
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})
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)
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}
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return createLogger({
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level: options.logLevel,
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transports: t
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})
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}
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