Where is the file responsible for generating a message from a template i18n?

[user-service]

I want to know where is the business logic code that generates the message from [[example]] [[example2, variable1, variable]]

[baris]

NodeBB/public/src/modules/translator.common.js at master · NodeBB/NodeBB

Node.js based forum software built for the modern web - NodeBB/public/src/modules/translator.common.js at master · NodeBB/NodeBB

GitHub (github.com)