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Node.js · Theory

npm bin command in Node.js

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Theory

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npm bin command in Node.js

npm bin command (node js) sits in a new folder. Dev’s job is install express. Write that first.

For npm bin command (node js), the event loop is in play. Don’t blame it until you have traced install express.

npm bin command (node js) exists so Dev can keep install express correct in a new folder.

npm bin command (node js) shows up in a new folder. Name install express, not “a real-world scenario”.

If install express breaks under npm bin command (node js), check deleting package-lock blindly first.

After npm bin command (node js), Dev should still remember deleting package-lock blindly.

Close npm bin command (node js) with: “If I skip it, install express goes wrong like this: deleting package-lock blindly.”

Exam tip

Say npm bin command (node js) in one breath, then npm init + npm i express, then deleting package-lock blindly.

Example

const pkg = {
  name: "demo",
  version: "1.0.0",
  scripts: { start: "node index.js" },
  dependencies: { express: "^4.19.0" },
};
console.log(pkg.name, Object.keys(pkg.dependencies));

npm bin command in Node.js — package.json declares scripts and dependencies that npm installs.

Short notes

  • Defnpm bin command (node js) — Dev uses it for install express in a new folder.
  • Rulenpm bin command (node js) → npm init + npm i express.
  • Remembernpm bin command (node js) + the event loop (a new folder).
  • Usenpm bin command (node js) in a new folder (install express).
  • Trapnpm bin command (node js) — deleting package-lock blindly.
  • Exnpm bin command (node js) → install express.

Questions

1

Define npm bin command (node js) without jargon. Then point at install express.

2

Name one Node.js screen/job that needs npm bin command (node js).

3

What trap does Dev hit with npm bin command (node js)?

4

Dry-run npm init + npm i express and say the result.

Previous← Garbage Collection in Node.jsNextNpm Audit in Node.js →
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