53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
'use strict';
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const { Colorizer } = require('./colorize');
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const { Padder } = require('./pad-levels');
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const { configs, MESSAGE } = require('triple-beam');
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/**
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* Cli format class that handles initial state for a a separate
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* Colorizer and Padder instance.
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*/
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class CliFormat {
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constructor(opts = {}) {
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if (!opts.levels) {
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opts.levels = configs.npm.levels;
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}
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this.colorizer = new Colorizer(opts);
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this.padder = new Padder(opts);
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this.options = opts;
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}
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/*
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* function transform (info, opts)
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* Attempts to both:
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* 1. Pad the { level }
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* 2. Colorize the { level, message }
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* of the given `logform` info object depending on the `opts`.
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*/
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transform(info, opts) {
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this.colorizer.transform(
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this.padder.transform(info, opts),
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opts
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);
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info[MESSAGE] = `${info.level}:${info.message}`;
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return info;
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}
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}
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/*
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* function cli (opts)
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* Returns a new instance of the CLI format that turns a log
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* `info` object into the same format previously available
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* in `winston.cli()` in `winston < 3.0.0`.
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*/
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module.exports = opts => new CliFormat(opts);
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//
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// Attach the CliFormat for registration purposes
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//
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module.exports.Format = CliFormat;
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