64 lines
1.6 KiB
JavaScript
64 lines
1.6 KiB
JavaScript
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'use strict';
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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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var format = require('./format');
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function fillExcept(info, fillExceptKeys, metadataKey) {
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var savedKeys = fillExceptKeys.reduce(function (acc, key) {
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acc[key] = info[key];
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delete info[key];
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return acc;
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}, {});
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var metadata = Object.keys(info).reduce(function (acc, key) {
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acc[key] = info[key];
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delete info[key];
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return acc;
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}, {});
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Object.assign(info, savedKeys, _defineProperty({}, metadataKey, metadata));
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return info;
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}
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function fillWith(info, fillWithKeys, metadataKey) {
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info[metadataKey] = fillWithKeys.reduce(function (acc, key) {
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acc[key] = info[key];
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delete info[key];
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return acc;
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}, {});
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return info;
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}
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/**
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* Adds in a "metadata" object to collect extraneous data, similar to the metadata
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* object in winston 2.x.
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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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var metadataKey = 'metadata';
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if (opts.key) {
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metadataKey = opts.key;
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}
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var fillExceptKeys = [];
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if (!opts.fillExcept && !opts.fillWith) {
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fillExceptKeys.push('level');
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fillExceptKeys.push('message');
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}
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if (opts.fillExcept) {
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fillExceptKeys = opts.fillExcept;
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}
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if (fillExceptKeys.length > 0) {
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return fillExcept(info, fillExceptKeys, metadataKey);
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}
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if (opts.fillWith) {
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return fillWith(info, opts.fillWith, metadataKey);
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}
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return info;
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});
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