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backend/node_modules/pino-pretty/lib/utils/prettify-level.js

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+'use strict'
+
+module.exports = prettifyLevel
+
+const getPropertyValue = require('./get-property-value')
+
+/**
+ * @typedef {object} PrettifyLevelParams
+ * @property {object} log The log object.
+ * @property {PrettyContext} context The context object built from parsing
+ * the options.
+ */
+
+/**
+ * Checks if the passed in log has a `level` value and returns a prettified
+ * string for that level if so.
+ *
+ * @param {PrettifyLevelParams} input
+ *
+ * @returns {undefined|string} If `log` does not have a `level` property then
+ * `undefined` will be returned. Otherwise, a string from the specified
+ * `colorizer` is returned.
+ */
+function prettifyLevel ({ log, context }) {
+  const {
+    colorizer,
+    customLevels,
+    customLevelNames,
+    levelKey
+  } = context
+  const prettifier = context.customPrettifiers?.level
+  const output = getPropertyValue(log, levelKey)
+  if (output === undefined) return undefined
+  return prettifier ? prettifier(output) : colorizer(output, { customLevels, customLevelNames })
+}