30 lines
808 B
JavaScript
30 lines
808 B
JavaScript
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'use strict';
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var format = require('./format');
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var _require = require('triple-beam'),
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MESSAGE = _require.MESSAGE;
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var jsonStringify = require('fast-safe-stringify');
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/*
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* function replacer (key, value)
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* Handles proper stringification of Buffer output.
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*/
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function replacer(key, value) {
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return value instanceof Buffer ? value.toString('base64') : value;
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}
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/*
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* function json (info)
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* Returns a new instance of the JSON format that turns a log `info`
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* object into pure JSON. This was previously exposed as { json: true }
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* to transports in `winston < 3.0.0`.
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*/
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module.exports = format(function (info) {
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var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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info[MESSAGE] = jsonStringify(info, opts.replacer || replacer, opts.space);
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return info;
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});
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