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var fs = require('fs')
var path = require('path')
var helper = require('./helper')
var log = require('./logger').create('plugin')
var IGNORED_PACKAGES = ['karma-cli', 'karma-runner.github.com']
exports.resolve = function (plugins) {
var modules = []
var requirePlugin = function (name) {
log.debug('Loading plugin %s.', name)
try {
modules.push(require(name))
} catch (e) {
if (e.code === 'MODULE_NOT_FOUND' && e.message.indexOf(name) !== -1) {
log.warn('Cannot find plugin "%s".\n Did you forget to install it ?\n' +
' npm install %s --save-dev', name, name)
} else {
log.warn('Error during loading "%s" plugin:\n %s', name, e.message)
}
}
}
plugins.forEach(function (plugin) {
if (helper.isString(plugin)) {
if (plugin.indexOf('*') !== -1) {
var pluginDirectory = path.normalize(__dirname + '/../..')
var regexp = new RegExp('^' + plugin.replace('*', '.*'))
log.debug('Loading %s from %s', plugin, pluginDirectory)
fs.readdirSync(pluginDirectory).filter(function (pluginName) {
return IGNORED_PACKAGES.indexOf(pluginName) === -1 && regexp.test(pluginName)
}).forEach(function (pluginName) {
requirePlugin(pluginDirectory + '/' + pluginName)
})
} else {
requirePlugin(plugin)
}
} else if (helper.isObject(plugin)) {
log.debug('Loading inlined plugin (defining %s).', Object.keys(plugin).join(', '))
modules.push(plugin)
} else {
log.warn('Invalid plugin %s', plugin)
}
})
return modules
}
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