init

mc_test/node_modules/logform/dist/json.js

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+'use strict';
+
+var format = require('./format');
+var _require = require('triple-beam'),
+  MESSAGE = _require.MESSAGE;
+var stringify = require('safe-stable-stringify');
+
+/*
+ * function replacer (key, value)
+ * Handles proper stringification of Buffer and bigint output.
+ */
+function replacer(key, value) {
+  // safe-stable-stringify does support BigInt, however, it doesn't wrap the value in quotes.
+  // Leading to a loss in fidelity if the resulting string is parsed.
+  // It would also be a breaking change for logform.
+  if (typeof value === 'bigint') return value.toString();
+  return value;
+}
+
+/*
+ * function json (info)
+ * Returns a new instance of the JSON format that turns a log `info`
+ * object into pure JSON. This was previously exposed as { json: true }
+ * to transports in `winston < 3.0.0`.
+ */
+module.exports = format(function (info, opts) {
+  var jsonStringify = stringify.configure(opts);
+  info[MESSAGE] = jsonStringify(info, opts.replacer || replacer, opts.space);
+  return info;
+});