Hardware Reference
In-Depth Information
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Node Package Manager (npm [ https://www.npmjs.org/ ] ) is used to install new packages.
For example, suppose that you are wiring up a GPS ( Recipe 2.8 ) and want to use the nmea
JavaScript package to decode the National Marine Electronics Association (NMEA) data
from the GPS. Install the nmea package with the following command:
bone# npm install -g nmea
npm http GET https://registry.npmjs.org/nmea
npm http 200 https://registry.npmjs.org/nmea
npm http GET https://registry.npmjs.org/nmea/-/nmea-0.0.7.tgz
npm http 200 https://registry.npmjs.org/nmea/-/nmea-0.0.7.tgz
nmea@0.0.7 /usr/local/lib/node_modules/nmea
The -g instructs to install globally. That way, you can use nmea from any directory. If -g
is not given, you can use nmea only in the directory in which you installed it.
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