app.enabled() checks whether a boolean application setting is currently turned on.
Syntax
app.enabled(name)
Example
const express = require("express");
const app = express();
console.log(app.enabled("trust proxy")); // false
app.enable("trust proxy");
console.log(app.enabled("trust proxy")); // true
Use cases
- Verifying a setting before relying on it in application logic.
- Confirming a setting toggled with
app.enable()actually took effect. - Branching logic based on current configuration.