105 lines
2.5 KiB
JavaScript
105 lines
2.5 KiB
JavaScript
'use strict'
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const { builtinModules: builtins } = require('module')
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var scopedPackagePattern = new RegExp('^(?:@([^/]+?)[/])?([^/]+?)$')
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var blacklist = [
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'node_modules',
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'favicon.ico',
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]
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function validate (name) {
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var warnings = []
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var errors = []
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if (name === null) {
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errors.push('name cannot be null')
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return done(warnings, errors)
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}
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if (name === undefined) {
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errors.push('name cannot be undefined')
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return done(warnings, errors)
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}
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if (typeof name !== 'string') {
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errors.push('name must be a string')
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return done(warnings, errors)
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}
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if (!name.length) {
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errors.push('name length must be greater than zero')
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}
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if (name.match(/^\./)) {
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errors.push('name cannot start with a period')
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}
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if (name.match(/^_/)) {
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errors.push('name cannot start with an underscore')
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}
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if (name.trim() !== name) {
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errors.push('name cannot contain leading or trailing spaces')
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}
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// No funny business
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blacklist.forEach(function (blacklistedName) {
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if (name.toLowerCase() === blacklistedName) {
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errors.push(blacklistedName + ' is a blacklisted name')
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}
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})
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// Generate warnings for stuff that used to be allowed
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// core module names like http, events, util, etc
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if (builtins.includes(name.toLowerCase())) {
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warnings.push(name + ' is a core module name')
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}
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if (name.length > 214) {
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warnings.push('name can no longer contain more than 214 characters')
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}
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// mIxeD CaSe nAMEs
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if (name.toLowerCase() !== name) {
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warnings.push('name can no longer contain capital letters')
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}
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if (/[~'!()*]/.test(name.split('/').slice(-1)[0])) {
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warnings.push('name can no longer contain special characters ("~\'!()*")')
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}
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if (encodeURIComponent(name) !== name) {
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// Maybe it's a scoped package name, like @user/package
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var nameMatch = name.match(scopedPackagePattern)
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if (nameMatch) {
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var user = nameMatch[1]
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var pkg = nameMatch[2]
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if (encodeURIComponent(user) === user && encodeURIComponent(pkg) === pkg) {
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return done(warnings, errors)
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}
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}
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errors.push('name can only contain URL-friendly characters')
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}
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return done(warnings, errors)
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}
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var done = function (warnings, errors) {
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var result = {
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validForNewPackages: errors.length === 0 && warnings.length === 0,
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validForOldPackages: errors.length === 0,
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warnings: warnings,
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errors: errors,
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}
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if (!result.warnings.length) {
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delete result.warnings
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}
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if (!result.errors.length) {
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delete result.errors
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}
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return result
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}
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module.exports = validate
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