Si desea desarrollar su propio paquete npm, primero debe probarlo localmente.
Tenía esta necesidad con un proyecto que quería modularizar.
Tenía un paquete al que llamé, como ejemplo,flaviocopes-common-database.
Yo anteponíaflaviocopes-para darle un espacio de nombres único.
Dentro del paquete agregué unpackage.jsonarchivo con el nombre del módulo en elnamepropiedad y algunas dependencias:
{
"name": "flaviocopes-common-database",
"version": "1.0.0",
"description": "",
"main": "index.js",
"dependencies": {
"pg": "^8.0.2",
"sequelize": "^5.21.6"
}
}Entonces corrí
npm linkThis created a symbolic link in the /usr/local/lib/node_modules/ folder, that contains the global npm packages in the system, the ones installed using npm -g, to be clear.
I had
/usr/local/lib/node_modules/flaviocopes-common-databasePointing to the local file I had in
/Users/flavio/dev/code/flaviocopes-common-databaseNow in another project I wanted to use this module, so I ran
npm link flaviocopes-common-databaseand I was able to import it in the Node.js code using the usual require() syntax:
const database = require('flaviocopes-common-database')
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