verdaccio/lib/local-data.js

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var fs = require('fs')
module.exports = LocalData
function LocalData(path) {
var self = Object.create(LocalData.prototype)
self.path = path
try {
self.data = JSON.parse(fs.readFileSync(self.path, 'utf8'))
} catch(_) {
self.data = { list: [] }
}
return self
}
LocalData.prototype.add = function(name) {
if (this.data.list.indexOf(name) === -1) {
this.data.list.push(name)
this.sync()
}
}
LocalData.prototype.remove = function(name) {
var i = this.data.list.indexOf(name)
if (i !== -1) {
this.data.list.splice(i, 1)
}
this.sync()
}
LocalData.prototype.get = function() {
return this.data.list
}
LocalData.prototype.sync = function() {
// Uses sync to prevent ugly race condition
fs.writeFileSync(this.path, JSON.stringify(this.data))
}