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1 files changed, 46 insertions, 0 deletions

diff --git a/node_modules/loglevelnext/factory/PrefixFactory.js b/node_modules/loglevelnext/factory/PrefixFactory.js
new file mode 100644
index 00000000..0f2c3975
--- /dev/null
+++ b/node_modules/loglevelnext/factory/PrefixFactory.js
@@ -0,0 +1,46 @@
+'use strict';
+
+const MethodFactory = require('../lib/MethodFactory');
+
+const defaults = {
+  level: opts => `[${opts.level}]`,
+  name: opts => opts.logger.name,
+  template: '{{time}} {{level}} ',
+  time: () => new Date().toTimeString().split(' ')[0]
+};
+
+module.exports = class PrefixFactory extends MethodFactory {
+  constructor(logger, options) {
+    super(logger);
+    this.options = Object.assign({}, defaults, options);
+  }
+
+  interpolate(level) {
+    return this.options.template.replace(/{{([^{}]*)}}/g, (stache, prop) => {
+      const fn = this.options[prop];
+
+      if (fn) {
+        return fn({ level, logger: this.logger });
+      }
+
+      return stache;
+    });
+  }
+
+  make(methodName) {
+    const og = super.make(methodName);
+
+    return (...args) => {
+      const output = this.interpolate(methodName);
+      const [first] = args;
+
+      if (typeof first === 'string') {
+        args[0] = output + first;
+      } else {
+        args.unshift(output);
+      }
+
+      og(...args);
+    };
+  }
+};