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var _ = require('lodash');
// Default plugins added to each books
var DEFAULT_PLUGINS = ['highlight', 'search', 'lunr', 'sharing', 'fontsettings', 'theme-default'];
// Return true if a plugin is a default plugin
function isDefaultPlugin(name, version) {
return _.contains(DEFAULT_PLUGINS, name);
}
// Normalize a list of plugins to use
function normalizePluginsList(plugins) {
// Normalize list to an array
plugins = _.isString(plugins) ? plugins.split(',') : (plugins || []);
// Remove empty parts
plugins = _.compact(plugins);
// Divide as {name, version} to handle format like 'myplugin@1.0.0'
plugins = _.map(plugins, function(plugin) {
if (plugin.name) return plugin;
var parts = plugin.split('@');
var name = parts[0];
var version = parts.slice(1).join('@');
return {
'name': name,
'version': version // optional
};
});
// List plugins to remove
var toremove = _.chain(plugins)
.filter(function(plugin) {
return plugin.name.length > 0 && plugin.name[0] == '-';
})
.map(function(plugin) {
return plugin.name.slice(1);
})
.value();
// Merge with defaults
_.each(DEFAULT_PLUGINS, function(plugin) {
if (_.find(plugins, { name: plugin })) {
return;
}
plugins.push({
'name': plugin
});
});
// Remove plugin that start with '-'
plugins = _.filter(plugins, function(plugin) {
return !_.contains(toremove, plugin.name) && !(plugin.name.length > 0 && plugin.name[0] == '-');
});
// Remove duplicates
plugins = _.uniq(plugins, 'name');
return plugins;
}
module.exports = {
isDefaultPlugin: isDefaultPlugin,
toList: normalizePluginsList
};
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