1 | #!/usr/bin/env node
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2 |
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3 | const fs = require('fs')
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4 | const args = require('args')
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5 | const path = require('path')
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6 | const pump = require('pump')
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7 | const split = require('split2')
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8 | const { Transform } = require('readable-stream')
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9 | const prettyFactory = require('./')
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10 | const CONSTANTS = require('./lib/constants')
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11 | const { isObject } = require('./lib/utils')
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12 |
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13 | const bourne = require('@hapi/bourne')
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14 | const stripJsonComments = require('strip-json-comments')
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15 | const parseJSON = input => {
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16 | return bourne.parse(stripJsonComments(input), { protoAction: 'remove' })
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17 | }
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18 |
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19 | const JoyCon = require('joycon')
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20 | const joycon = new JoyCon({
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21 | parseJSON,
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22 | files: [
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23 | 'pino-pretty.config.js',
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24 | '.pino-prettyrc',
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25 | '.pino-prettyrc.json'
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26 | ],
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27 | stopDir: path.dirname(process.cwd())
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28 | })
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29 | joycon.addLoader({
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30 | test: /\.[^.]*rc$/,
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31 | loadSync: (path) => parseJSON(fs.readFileSync(path, 'utf-8'))
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32 | })
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33 |
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34 | args
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35 | .option(['c', 'colorize'], 'Force adding color sequences to the output')
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36 | .option(['f', 'crlf'], 'Append CRLF instead of LF to formatted lines')
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37 | .option(['e', 'errorProps'], 'Comma separated list of properties on error objects to show (`*` for all properties)', '')
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38 | .option(['l', 'levelFirst'], 'Display the log level as the first output field')
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39 | .option(['k', 'errorLikeObjectKeys'], 'Define which keys contain error objects (`-k err,error`)', 'err,error')
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40 | .option(['m', 'messageKey'], 'Highlight the message under the specified key', CONSTANTS.MESSAGE_KEY)
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41 | .option(['o', 'messageFormat'], 'Format output of message')
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42 | .option(['a', 'timestampKey'], 'Display the timestamp from the specified key', CONSTANTS.TIMESTAMP_KEY)
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43 | .option(['t', 'translateTime'], 'Display epoch timestamps as UTC ISO format or according to an optional format string (default ISO 8601)')
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44 | .option(['s', 'search'], 'Specify a search pattern according to jmespath')
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45 | .option(['i', 'ignore'], 'Ignore one or several keys: (`-i time,hostname`)')
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46 | .option('config', 'specify a path to a json file containing the pino-pretty options')
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47 |
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48 | args
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49 | .example('cat log | pino-pretty', 'To prettify logs, simply pipe a log file through')
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50 | .example('cat log | pino-pretty -m fooMessage', 'To highlight a string at a key other than \'msg\', use')
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51 | .example('cat log | pino-pretty -a fooTimestamp', 'To display timestamp from a key other than \'time\', use')
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52 | .example('cat log | pino-pretty -t', 'To convert Epoch timestamps to ISO timestamps use the -t option')
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53 | .example('cat log | pino-pretty -t "SYS:yyyy-mm-dd HH:MM:ss"', 'To convert Epoch timestamps to local timezone format use the -t option with "SYS:" prefixed format string')
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54 | .example('cat log | pino-pretty -l', 'To flip level and time/date in standard output use the -l option')
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55 | .example('cat log | pino-pretty -s "msg == \'hello world\'"', 'Only prints messages with msg equals to \'hello world\'')
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56 | .example('cat log | pino-pretty -i pid,hostname', 'Prettify logs but don\'t print pid and hostname')
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57 | .example('cat log | pino-pretty --config=/path/to/config.json', 'Loads options from a config file')
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58 |
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59 | const DEFAULT_VALUE = '\0default'
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60 |
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61 | let opts = args.parse(process.argv, {
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62 | mri: {
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63 | default: {
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64 | messageKey: DEFAULT_VALUE,
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65 | timestampKey: DEFAULT_VALUE
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66 | }
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67 | }
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68 | })
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69 |
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70 | opts = filter(opts, value => value !== DEFAULT_VALUE)
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71 | const config = loadConfig(opts.config)
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72 |
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73 | opts = Object.assign({}, config, opts)
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74 | const pretty = prettyFactory(opts)
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75 | const prettyTransport = new Transform({
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76 | objectMode: true,
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77 | transform (chunk, enc, cb) {
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78 | const line = pretty(chunk.toString())
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79 | if (line === undefined) return cb()
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80 | cb(null, line)
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81 | }
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82 | })
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83 |
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84 | pump(process.stdin, split(), prettyTransport, process.stdout)
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85 |
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86 |
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87 | if (!process.stdin.isTTY && !fs.fstatSync(process.stdin.fd).isFile()) {
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88 | process.once('SIGINT', function noOp () {})
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89 | }
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90 |
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91 | function loadConfig (configPath) {
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92 | const files = configPath ? [path.resolve(configPath)] : undefined
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93 | const result = joycon.loadSync(files)
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94 | if (result.path && !isObject(result.data)) {
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95 | configPath = configPath || path.basename(result.path)
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96 | throw new Error(`Invalid runtime configuration file: ${configPath}`)
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97 | }
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98 | if (configPath && !result.data) {
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99 | throw new Error(`Failed to load runtime configuration file: ${configPath}`)
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100 | }
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101 | return result.data
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102 | }
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103 |
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104 | function filter (obj, cb) {
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105 | return Object.keys(obj).reduce((acc, key) => {
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106 | const value = obj[key]
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107 | if (cb(value, key)) {
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108 | acc[key] = value
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109 | }
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110 | return acc
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111 | }, {})
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112 | }
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