I am glad to share my first npm package eulejs. Since I need to test it, I found that the command npm link bind locally the package on another NodeJS project. Great! HOWEVER, I was not able to import it as a package in this way. Sad...
I published the package and made a minimal project. The src/index.js code is below:
import euler from "eulejs";
const diagram = euler({
a: [1, 2, 3],
b: [2, 3, 4],
c: [3, 4, 5],
d: [3, 5, 6],
});
/* Euler dictionary:
* {
* 'a,b': [2],
* 'b,c': [4],
* 'a,b,c,d': [3],
* 'c,d': [5],
* 'd': [6],
* 'a': [1]
* }
*/
console.log(diagram);
For installation:
- Create and go to folder with command
mkdir ~/eulejs-example && cd eulejs-example; - Create a file
package.jsonwith content below:
{
"name": "eulejs-example",
"description": "Example for package eulejs",
"type": "module",
"version": "0.0.0",
"scripts": {
"start": "nodemon ./src/index.js",
"test": "echo \"Not implemented\""
},
"keywords": [
"jest"
],
"author": "brunolnetto",
"license": "ISC",
"devDependencies": {
"nodemon": "^2.0.20"
},
"dependencies": {
"eulejs": "^1.0.2"
}
}
- Install dependencies with the command run
npm install; - Run the command
npm start. - A similar error log appears:
[nodemon] starting `node ./src/index.js`
node:internal/errors:484
ErrorCaptureStackTrace(err);
^
Error [ERR_MODULE_NOT_FOUND]: Cannot find package '/home/brunolnetto/github/alloyha/experiments/web/eulejs-MVP/node_modules/eulejs/' imported from /home/brunolnetto/github/alloyha/experiments/web/eulejs-MVP/src/index.js
at new NodeError (node:internal/errors:393:5)
at legacyMainResolve (node:internal/modules/esm/resolve:235:9)
at packageResolve (node:internal/modules/esm/resolve:847:14)
at moduleResolve (node:internal/modules/esm/resolve:909:20)
at defaultResolve (node:internal/modules/esm/resolve:1124:11)
at nextResolve (node:internal/modules/esm/loader:163:28)
at ESMLoader.resolve (node:internal/modules/esm/loader:841:30)
at ESMLoader.getModuleJob (node:internal/modules/esm/loader:424:18)
at ModuleWrap.<anonymous> (node:internal/modules/esm/module_job:76:40)
at link (node:internal/modules/esm/module_job:75:36) {
code: 'ERR_MODULE_NOT_FOUND'
}
Node.js v18.12.1
[nodemon] app crashed - waiting for file changes before starting...
It would be very nice to have a feedback on how to solve such issue.