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const npmi = require('npmi');
const Promise = require('../utils/promise');
const resolveVersion = require('./resolveVersion');
/**
* Install a plugin for a book
*
* @param {Book} book
* @param {PluginDependency} plugin
* @return {Promise}
*/
function installPlugin(book, plugin) {
const logger = book.getLogger();
const installFolder = book.getRoot();
const name = plugin.getName();
const requirement = plugin.getVersion();
logger.info.ln('');
logger.info.ln('installing plugin "' + name + '"');
// Find a version to install
return resolveVersion(plugin)
.then(function(version) {
if (!version) {
throw new Error('Found no satisfactory version for plugin "' + name + '" with requirement "' + requirement + '"');
}
logger.info.ln('install plugin "' + name + '" (' + requirement + ') from NPM with version', version);
return Promise.nfcall(npmi, {
'name': plugin.getNpmID(),
version,
'path': installFolder,
'npmLoad': {
'loglevel': 'silent',
'loaded': true,
'prefix': installFolder
}
});
})
.then(function() {
logger.info.ok('plugin "' + name + '" installed with success');
});
}
module.exports = installPlugin;
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