Node.js · Theory

NPM shortid Module

Theory

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Priya only reaches for NPM shortid Module when install express has to stay correct in a new folder.

NPM shortid Module on the board — npm init + npm i express. Then say what install express looks like after.

NPM shortid Module exists so Priya can keep install express correct in a new folder.

NPM shortid Module shows up in a new folder. Name install express, not “a real-world scenario”.

If install express breaks under NPM shortid Module, check deleting package-lock blindly first.

After NPM shortid Module, Priya should still remember deleting package-lock blindly.

One breath for NPM shortid Module, then install express, then deleting package-lock blindly. Sit down.

Exam tip

Say NPM shortid Module in one breath, then npm init + npm i express, then deleting package-lock blindly.

// math.js style
function add(a, b) { return a + b; }
module.exports = { add };

const math = { add };
console.log(math.add(2, 3));

NPM shortid Module — commonJS uses require / module.exports. ESM uses import / export.