start npm! data-files package

.gitignore

@@ -37,3 +37,6 @@ __pycache__
 .tmp_versions
 Module.symvers
 modules.order
+
+# node.js
+node_modules

README.adoc

@@ -14411,7 +14411,9 @@ Examples:
 
 ==== Node.js
 
-Build and install the interpreter with:
+Host installation shown at: https://askubuntu.com/questions/594656/how-to-install-the-latest-versions-of-nodejs-and-npm/971612#971612
+
+Build and install the interpreter in Buildroot with:
 
 ....
 ./build-buildroot --config 'BR2_PACKAGE_NODEJS=y'
@@ -14436,6 +14438,26 @@ Examples:
 ** link:rootfs_overlay/lkmc/nodejs/file_write_read.js[]
 ** link:rootfs_overlay/lkmc/nodejs/read_stdin_to_string.js[] Question: https://stackoverflow.com/questions/30441025/read-all-text-from-stdin-to-a-string
 
+===== NPM
+
+https://en.wikipedia.org/wiki/Npm_(software)
+
+Some sample packages can be found under: link:npm[].
+
+Local testing of those packages can be done as shown at: https://stackoverflow.com/questions/59389027/how-to-interactively-test-the-executable-of-an-npm-node-js-package-during-develo
+
+The packages will also be published to the NPM registry, so you can also play with them as:
+
+....
+npm install cirosantilli-<directory-name>
+....
+
+====== NPM data-files
+
+Illustrates how to add extra non-code data files to an NPM package, and then use those files at runtime:
+
+https://stackoverflow.com/questions/10111163/in-node-js-how-can-i-get-the-path-of-a-module-i-have-loaded-via-require-that-is
+
 ==== Java
 
 No OpenJDK package as of 2018.08: https://stackoverflow.com/questions/28874150/buildroot-with-jamvm-2-0-for-java-8/59290927#59290927 partly because their build system is shit like the rest of the project's setup.

npm/README.adoc

@@ -0,0 +1 @@
+https://cirosantilli.com/linux-kernel-module-cheat#npm

npm/data-files/.nvmrc

@@ -0,0 +1 @@
+v10.15.1

npm/data-files/README.adoc

@@ -0,0 +1 @@
+https://cirosantilli.com/linux-kernel-module-cheat#npm-data-files

npm/data-files/cirosantilli-data-files

@@ -0,0 +1,5 @@
+#!/usr/bin/env node
+
+const cirosantilli_data_files = require('cirosantilli-data-files');
+
+console.log(cirosantilli_data_files.myfunc());

npm/data-files/index.js

@@ -0,0 +1,8 @@
+const fs = require('fs');
+const path = require('path');
+
+function myfunc() {
+  const package_path = path.dirname(require.resolve(path.join('cirosantilli-data-files', 'package.json')));
+  return fs.readFileSync(path.join(package_path, 'mydata.txt'), 'utf-8');
+}
+exports.myfunc = myfunc;

npm/data-files/mydata.txt

@@ -0,0 +1 @@
+hello world

npm/data-files/package-lock.json

@@ -0,0 +1,5 @@
+{
+  "name": "cirosantilli-data-files",
+  "version": "0.1.0",
+  "lockfileVersion": 1
+}

npm/data-files/package.json

@@ -0,0 +1,14 @@
+{
+  "bin": {
+    "cirosantilli-data-files": "cirosantilli-data-files"
+  },
+  "license": "MIT",
+  "files":  [
+    "cirosantilli-data-files",
+    "mydata.txt",
+    "index.js"
+  ],
+  "name": "cirosantilli-data-files",
+  "repository": "cirosantilli/linux-kernel-module-cheat",
+  "version": "0.1.0"
+}