`npm build` 不运行 package.json 中名为“build”的脚本

Question

For a new module I'm trying to use npm build without gulp / Grunt / other specialised build tools.

"scripts": {
  "build": "node build.js"
},

My build.js is simply

console.log('Hello')

However, running

npm build

Simply exits without printing anything, with a status of 0.

Running:

npm install

Also does all the normal things, but does not run build.js either.

How can I make npm run my build script?

Edit: even simple bash commands don't seem to work, eg

"scripts": {
    "build": "touch TESTFILE"
},

Doesn't make a file with that name.

Answer 1

Unfortunately npm build is already an internal command, as described in the docs :

This is the plumbing command called by npm link and npm install. It should generally not be called directly.

Because that command already exists, it always shadows over your "build": "node build.js" .

The fully-qualified way to run your own script is with run-script or its alias run :

$ npm run build

npm start and others are the short-hand way, but is only an option when an existing npm command doesn't shadow it, like npm build does.

---

For posterity (as others have mentioned) npm build is used by npm to build native C/C++ Node addons using node-gyp .

Answer 2

The script named as "build" in package.json is not special in any way. The only way to get it to run is to call:

npm run-script build

There are some names which are called automatically by npm , but "build" is not one of them. The full list is:

• prepublish , publish , postpublish
• preinstall , install , postinstall
• preuninstall , uninstall , postuninstall
• preversion , version , postversion
• pretest , test , posttest
• prestop , stop , poststop
• prestart , start , poststart
• prerestart , restart , postrestart
• preCUSTOM and postCUSTOM for custom script names.

Answer 3

好的，要自己运行构建，请使用：

npm run-script build

Answer 4

I had a problem with npm run build not printing anything. ended up using npm run build --verbose to get the output I needed.

Answer 5

Npm build expects

A folder containing a package.json file in its root

Try using npm scripts in your package.json, like the classic npm start