Bernt
1a12fb870b
- New /developers/ page with API docs, SDKs, pricing, use cases - OpenAPI 3.0 spec for Orders, Missions, Photos, Analytics - Case study: Glasskiosken i Flatenbadet — complete ROI analysis - Updated /order/ with recurring missions and frequency dropdown
62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
'use strict'
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module.exports = prettifyMetadata
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/**
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* @typedef {object} PrettifyMetadataParams
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* @property {object} log The log that may or may not contain metadata to
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* be prettified.
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* @property {PrettyContext} context The context object built from parsing
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* the options.
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*/
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/**
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* Prettifies metadata that is usually present in a Pino log line. It looks for
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* fields `name`, `pid`, `hostname`, and `caller` and returns a formatted string using
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* the fields it finds.
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*
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* @param {PrettifyMetadataParams} input
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*
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* @returns {undefined|string} If no metadata is found then `undefined` is
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* returned. Otherwise, a string of prettified metadata is returned.
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*/
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function prettifyMetadata ({ log, context }) {
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const prettifiers = context.customPrettifiers
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let line = ''
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if (log.name || log.pid || log.hostname) {
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line += '('
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if (log.name) {
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line += prettifiers.name ? prettifiers.name(log.name) : log.name
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}
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if (log.pid) {
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const prettyPid = prettifiers.pid ? prettifiers.pid(log.pid) : log.pid
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if (log.name && log.pid) {
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line += '/' + prettyPid
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} else {
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line += prettyPid
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}
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}
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if (log.hostname) {
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// If `pid` and `name` were in the ignore keys list then we don't need
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// the leading space.
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line += `${line === '(' ? 'on' : ' on'} ${prettifiers.hostname ? prettifiers.hostname(log.hostname) : log.hostname}`
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}
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line += ')'
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}
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if (log.caller) {
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line += `${line === '' ? '' : ' '}<${prettifiers.caller ? prettifiers.caller(log.caller) : log.caller}>`
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}
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if (line === '') {
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return undefined
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} else {
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return line
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}
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}
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