]>
Commit | Line | Data |
---|---|---|
1 | import express from 'express' | |
2 | import { createReadStream, createWriteStream } from 'fs' | |
3 | import { ensureDir, outputFile, readJSON } from 'fs-extra' | |
4 | import { basename, join } from 'path' | |
5 | import { decachePlugin } from '@server/helpers/decache' | |
6 | import { ApplicationModel } from '@server/models/application/application' | |
7 | import { MOAuthTokenUser, MUser } from '@server/types/models' | |
8 | import { getCompleteLocale } from '@shared/core-utils' | |
9 | import { | |
10 | ClientScriptJSON, | |
11 | PluginPackageJSON, | |
12 | PluginTranslation, | |
13 | PluginTranslationPathsJSON, | |
14 | RegisterServerHookOptions | |
15 | } from '@shared/models' | |
16 | import { getHookType, internalRunHook } from '../../../shared/core-utils/plugins/hooks' | |
17 | import { PluginType } from '../../../shared/models/plugins/plugin.type' | |
18 | import { ServerHook, ServerHookName } from '../../../shared/models/plugins/server/server-hook.model' | |
19 | import { isLibraryCodeValid, isPackageJSONValid } from '../../helpers/custom-validators/plugins' | |
20 | import { logger } from '../../helpers/logger' | |
21 | import { CONFIG } from '../../initializers/config' | |
22 | import { PLUGIN_GLOBAL_CSS_PATH } from '../../initializers/constants' | |
23 | import { PluginModel } from '../../models/server/plugin' | |
24 | import { PluginLibrary, RegisterServerAuthExternalOptions, RegisterServerAuthPassOptions, RegisterServerOptions } from '../../types/plugins' | |
25 | import { ClientHtml } from '../client-html' | |
26 | import { RegisterHelpers } from './register-helpers' | |
27 | import { installNpmPlugin, installNpmPluginFromDisk, rebuildNativePlugins, removeNpmPlugin } from './yarn' | |
28 | ||
29 | export interface RegisteredPlugin { | |
30 | npmName: string | |
31 | name: string | |
32 | version: string | |
33 | description: string | |
34 | peertubeEngine: string | |
35 | ||
36 | type: PluginType | |
37 | ||
38 | path: string | |
39 | ||
40 | staticDirs: { [name: string]: string } | |
41 | clientScripts: { [name: string]: ClientScriptJSON } | |
42 | ||
43 | css: string[] | |
44 | ||
45 | // Only if this is a plugin | |
46 | registerHelpers?: RegisterHelpers | |
47 | unregister?: Function | |
48 | } | |
49 | ||
50 | export interface HookInformationValue { | |
51 | npmName: string | |
52 | pluginName: string | |
53 | handler: Function | |
54 | priority: number | |
55 | } | |
56 | ||
57 | type PluginLocalesTranslations = { | |
58 | [locale: string]: PluginTranslation | |
59 | } | |
60 | ||
61 | export class PluginManager implements ServerHook { | |
62 | ||
63 | private static instance: PluginManager | |
64 | ||
65 | private registeredPlugins: { [name: string]: RegisteredPlugin } = {} | |
66 | ||
67 | private hooks: { [name: string]: HookInformationValue[] } = {} | |
68 | private translations: PluginLocalesTranslations = {} | |
69 | ||
70 | private constructor () { | |
71 | } | |
72 | ||
73 | // ###################### Getters ###################### | |
74 | ||
75 | isRegistered (npmName: string) { | |
76 | return !!this.getRegisteredPluginOrTheme(npmName) | |
77 | } | |
78 | ||
79 | getRegisteredPluginOrTheme (npmName: string) { | |
80 | return this.registeredPlugins[npmName] | |
81 | } | |
82 | ||
83 | getRegisteredPluginByShortName (name: string) { | |
84 | const npmName = PluginModel.buildNpmName(name, PluginType.PLUGIN) | |
85 | const registered = this.getRegisteredPluginOrTheme(npmName) | |
86 | ||
87 | if (!registered || registered.type !== PluginType.PLUGIN) return undefined | |
88 | ||
89 | return registered | |
90 | } | |
91 | ||
92 | getRegisteredThemeByShortName (name: string) { | |
93 | const npmName = PluginModel.buildNpmName(name, PluginType.THEME) | |
94 | const registered = this.getRegisteredPluginOrTheme(npmName) | |
95 | ||
96 | if (!registered || registered.type !== PluginType.THEME) return undefined | |
97 | ||
98 | return registered | |
99 | } | |
100 | ||
101 | getRegisteredPlugins () { | |
102 | return this.getRegisteredPluginsOrThemes(PluginType.PLUGIN) | |
103 | } | |
104 | ||
105 | getRegisteredThemes () { | |
106 | return this.getRegisteredPluginsOrThemes(PluginType.THEME) | |
107 | } | |
108 | ||
109 | getIdAndPassAuths () { | |
110 | return this.getRegisteredPlugins() | |
111 | .map(p => ({ | |
112 | npmName: p.npmName, | |
113 | name: p.name, | |
114 | version: p.version, | |
115 | idAndPassAuths: p.registerHelpers.getIdAndPassAuths() | |
116 | })) | |
117 | .filter(v => v.idAndPassAuths.length !== 0) | |
118 | } | |
119 | ||
120 | getExternalAuths () { | |
121 | return this.getRegisteredPlugins() | |
122 | .map(p => ({ | |
123 | npmName: p.npmName, | |
124 | name: p.name, | |
125 | version: p.version, | |
126 | externalAuths: p.registerHelpers.getExternalAuths() | |
127 | })) | |
128 | .filter(v => v.externalAuths.length !== 0) | |
129 | } | |
130 | ||
131 | getRegisteredSettings (npmName: string) { | |
132 | const result = this.getRegisteredPluginOrTheme(npmName) | |
133 | if (!result || result.type !== PluginType.PLUGIN) return [] | |
134 | ||
135 | return result.registerHelpers.getSettings() | |
136 | } | |
137 | ||
138 | getRouter (npmName: string) { | |
139 | const result = this.getRegisteredPluginOrTheme(npmName) | |
140 | if (!result || result.type !== PluginType.PLUGIN) return null | |
141 | ||
142 | return result.registerHelpers.getRouter() | |
143 | } | |
144 | ||
145 | getTranslations (locale: string) { | |
146 | return this.translations[locale] || {} | |
147 | } | |
148 | ||
149 | async isTokenValid (token: MOAuthTokenUser, type: 'access' | 'refresh') { | |
150 | const auth = this.getAuth(token.User.pluginAuth, token.authName) | |
151 | if (!auth) return true | |
152 | ||
153 | if (auth.hookTokenValidity) { | |
154 | try { | |
155 | const { valid } = await auth.hookTokenValidity({ token, type }) | |
156 | ||
157 | if (valid === false) { | |
158 | logger.info('Rejecting %s token validity from auth %s of plugin %s', type, token.authName, token.User.pluginAuth) | |
159 | } | |
160 | ||
161 | return valid | |
162 | } catch (err) { | |
163 | logger.warn('Cannot run check token validity from auth %s of plugin %s.', token.authName, token.User.pluginAuth, { err }) | |
164 | return true | |
165 | } | |
166 | } | |
167 | ||
168 | return true | |
169 | } | |
170 | ||
171 | // ###################### External events ###################### | |
172 | ||
173 | async onLogout (npmName: string, authName: string, user: MUser, req: express.Request) { | |
174 | const auth = this.getAuth(npmName, authName) | |
175 | ||
176 | if (auth?.onLogout) { | |
177 | logger.info('Running onLogout function from auth %s of plugin %s', authName, npmName) | |
178 | ||
179 | try { | |
180 | // Force await, in case or onLogout returns a promise | |
181 | const result = await auth.onLogout(user, req) | |
182 | ||
183 | return typeof result === 'string' | |
184 | ? result | |
185 | : undefined | |
186 | } catch (err) { | |
187 | logger.warn('Cannot run onLogout function from auth %s of plugin %s.', authName, npmName, { err }) | |
188 | } | |
189 | } | |
190 | ||
191 | return undefined | |
192 | } | |
193 | ||
194 | async onSettingsChanged (name: string, settings: any) { | |
195 | const registered = this.getRegisteredPluginByShortName(name) | |
196 | if (!registered) { | |
197 | logger.error('Cannot find plugin %s to call on settings changed.', name) | |
198 | } | |
199 | ||
200 | for (const cb of registered.registerHelpers.getOnSettingsChangedCallbacks()) { | |
201 | try { | |
202 | await cb(settings) | |
203 | } catch (err) { | |
204 | logger.error('Cannot run on settings changed callback for %s.', registered.npmName, { err }) | |
205 | } | |
206 | } | |
207 | } | |
208 | ||
209 | // ###################### Hooks ###################### | |
210 | ||
211 | async runHook<T> (hookName: ServerHookName, result?: T, params?: any): Promise<T> { | |
212 | if (!this.hooks[hookName]) return Promise.resolve(result) | |
213 | ||
214 | const hookType = getHookType(hookName) | |
215 | ||
216 | for (const hook of this.hooks[hookName]) { | |
217 | logger.debug('Running hook %s of plugin %s.', hookName, hook.npmName) | |
218 | ||
219 | result = await internalRunHook({ | |
220 | handler: hook.handler, | |
221 | hookType, | |
222 | result, | |
223 | params, | |
224 | onError: err => { logger.error('Cannot run hook %s of plugin %s.', hookName, hook.pluginName, { err }) } | |
225 | }) | |
226 | } | |
227 | ||
228 | return result | |
229 | } | |
230 | ||
231 | // ###################### Registration ###################### | |
232 | ||
233 | async registerPluginsAndThemes () { | |
234 | await this.resetCSSGlobalFile() | |
235 | ||
236 | const plugins = await PluginModel.listEnabledPluginsAndThemes() | |
237 | ||
238 | for (const plugin of plugins) { | |
239 | try { | |
240 | await this.registerPluginOrTheme(plugin) | |
241 | } catch (err) { | |
242 | // Try to unregister the plugin | |
243 | try { | |
244 | await this.unregister(PluginModel.buildNpmName(plugin.name, plugin.type)) | |
245 | } catch { | |
246 | // we don't care if we cannot unregister it | |
247 | } | |
248 | ||
249 | logger.error('Cannot register plugin %s, skipping.', plugin.name, { err }) | |
250 | } | |
251 | } | |
252 | ||
253 | this.sortHooksByPriority() | |
254 | } | |
255 | ||
256 | // Don't need the plugin type since themes cannot register server code | |
257 | async unregister (npmName: string) { | |
258 | logger.info('Unregister plugin %s.', npmName) | |
259 | ||
260 | const plugin = this.getRegisteredPluginOrTheme(npmName) | |
261 | ||
262 | if (!plugin) { | |
263 | throw new Error(`Unknown plugin ${npmName} to unregister`) | |
264 | } | |
265 | ||
266 | delete this.registeredPlugins[plugin.npmName] | |
267 | ||
268 | this.deleteTranslations(plugin.npmName) | |
269 | ||
270 | if (plugin.type === PluginType.PLUGIN) { | |
271 | await plugin.unregister() | |
272 | ||
273 | // Remove hooks of this plugin | |
274 | for (const key of Object.keys(this.hooks)) { | |
275 | this.hooks[key] = this.hooks[key].filter(h => h.npmName !== npmName) | |
276 | } | |
277 | ||
278 | const store = plugin.registerHelpers | |
279 | store.reinitVideoConstants(plugin.npmName) | |
280 | store.reinitTranscodingProfilesAndEncoders(plugin.npmName) | |
281 | ||
282 | logger.info('Regenerating registered plugin CSS to global file.') | |
283 | await this.regeneratePluginGlobalCSS() | |
284 | } | |
285 | ||
286 | ClientHtml.invalidCache() | |
287 | } | |
288 | ||
289 | // ###################### Installation ###################### | |
290 | ||
291 | async install (toInstall: string, version?: string, fromDisk = false) { | |
292 | let plugin: PluginModel | |
293 | let npmName: string | |
294 | ||
295 | logger.info('Installing plugin %s.', toInstall) | |
296 | ||
297 | try { | |
298 | fromDisk | |
299 | ? await installNpmPluginFromDisk(toInstall) | |
300 | : await installNpmPlugin(toInstall, version) | |
301 | ||
302 | npmName = fromDisk ? basename(toInstall) : toInstall | |
303 | const pluginType = PluginModel.getTypeFromNpmName(npmName) | |
304 | const pluginName = PluginModel.normalizePluginName(npmName) | |
305 | ||
306 | const packageJSON = await this.getPackageJSON(pluginName, pluginType) | |
307 | ||
308 | this.sanitizeAndCheckPackageJSONOrThrow(packageJSON, pluginType); | |
309 | ||
310 | [ plugin ] = await PluginModel.upsert({ | |
311 | name: pluginName, | |
312 | description: packageJSON.description, | |
313 | homepage: packageJSON.homepage, | |
314 | type: pluginType, | |
315 | version: packageJSON.version, | |
316 | enabled: true, | |
317 | uninstalled: false, | |
318 | peertubeEngine: packageJSON.engine.peertube | |
319 | }, { returning: true }) | |
320 | ||
321 | logger.info('Successful installation of plugin %s.', toInstall) | |
322 | ||
323 | await this.registerPluginOrTheme(plugin) | |
324 | } catch (rootErr) { | |
325 | logger.error('Cannot install plugin %s, removing it...', toInstall, { err: rootErr }) | |
326 | ||
327 | try { | |
328 | await this.uninstall(npmName) | |
329 | } catch (err) { | |
330 | logger.error('Cannot uninstall plugin %s after failed installation.', toInstall, { err }) | |
331 | ||
332 | try { | |
333 | await removeNpmPlugin(npmName) | |
334 | } catch (err) { | |
335 | logger.error('Cannot remove plugin %s after failed installation.', toInstall, { err }) | |
336 | } | |
337 | } | |
338 | ||
339 | throw rootErr | |
340 | } | |
341 | ||
342 | return plugin | |
343 | } | |
344 | ||
345 | async update (toUpdate: string, fromDisk = false) { | |
346 | const npmName = fromDisk ? basename(toUpdate) : toUpdate | |
347 | ||
348 | logger.info('Updating plugin %s.', npmName) | |
349 | ||
350 | // Use the latest version from DB, to not upgrade to a version that does not support our PeerTube version | |
351 | let version: string | |
352 | if (!fromDisk) { | |
353 | const plugin = await PluginModel.loadByNpmName(toUpdate) | |
354 | version = plugin.latestVersion | |
355 | } | |
356 | ||
357 | // Unregister old hooks | |
358 | await this.unregister(npmName) | |
359 | ||
360 | return this.install(toUpdate, version, fromDisk) | |
361 | } | |
362 | ||
363 | async uninstall (npmName: string) { | |
364 | logger.info('Uninstalling plugin %s.', npmName) | |
365 | ||
366 | try { | |
367 | await this.unregister(npmName) | |
368 | } catch (err) { | |
369 | logger.warn('Cannot unregister plugin %s.', npmName, { err }) | |
370 | } | |
371 | ||
372 | const plugin = await PluginModel.loadByNpmName(npmName) | |
373 | if (!plugin || plugin.uninstalled === true) { | |
374 | logger.error('Cannot uninstall plugin %s: it does not exist or is already uninstalled.', npmName) | |
375 | return | |
376 | } | |
377 | ||
378 | plugin.enabled = false | |
379 | plugin.uninstalled = true | |
380 | ||
381 | await plugin.save() | |
382 | ||
383 | await removeNpmPlugin(npmName) | |
384 | ||
385 | logger.info('Plugin %s uninstalled.', npmName) | |
386 | } | |
387 | ||
388 | async rebuildNativePluginsIfNeeded () { | |
389 | if (!await ApplicationModel.nodeABIChanged()) return | |
390 | ||
391 | return rebuildNativePlugins() | |
392 | } | |
393 | ||
394 | // ###################### Private register ###################### | |
395 | ||
396 | private async registerPluginOrTheme (plugin: PluginModel) { | |
397 | const npmName = PluginModel.buildNpmName(plugin.name, plugin.type) | |
398 | ||
399 | logger.info('Registering plugin or theme %s.', npmName) | |
400 | ||
401 | const packageJSON = await this.getPackageJSON(plugin.name, plugin.type) | |
402 | const pluginPath = this.getPluginPath(plugin.name, plugin.type) | |
403 | ||
404 | this.sanitizeAndCheckPackageJSONOrThrow(packageJSON, plugin.type) | |
405 | ||
406 | let library: PluginLibrary | |
407 | let registerHelpers: RegisterHelpers | |
408 | if (plugin.type === PluginType.PLUGIN) { | |
409 | const result = await this.registerPlugin(plugin, pluginPath, packageJSON) | |
410 | library = result.library | |
411 | registerHelpers = result.registerStore | |
412 | } | |
413 | ||
414 | const clientScripts: { [id: string]: ClientScriptJSON } = {} | |
415 | for (const c of packageJSON.clientScripts) { | |
416 | clientScripts[c.script] = c | |
417 | } | |
418 | ||
419 | this.registeredPlugins[npmName] = { | |
420 | npmName, | |
421 | name: plugin.name, | |
422 | type: plugin.type, | |
423 | version: plugin.version, | |
424 | description: plugin.description, | |
425 | peertubeEngine: plugin.peertubeEngine, | |
426 | path: pluginPath, | |
427 | staticDirs: packageJSON.staticDirs, | |
428 | clientScripts, | |
429 | css: packageJSON.css, | |
430 | registerHelpers: registerHelpers || undefined, | |
431 | unregister: library ? library.unregister : undefined | |
432 | } | |
433 | ||
434 | await this.addTranslations(plugin, npmName, packageJSON.translations) | |
435 | ||
436 | ClientHtml.invalidCache() | |
437 | } | |
438 | ||
439 | private async registerPlugin (plugin: PluginModel, pluginPath: string, packageJSON: PluginPackageJSON) { | |
440 | const npmName = PluginModel.buildNpmName(plugin.name, plugin.type) | |
441 | ||
442 | // Delete cache if needed | |
443 | const modulePath = join(pluginPath, packageJSON.library) | |
444 | decachePlugin(pluginPath, modulePath) | |
445 | const library: PluginLibrary = require(modulePath) | |
446 | ||
447 | if (!isLibraryCodeValid(library)) { | |
448 | throw new Error('Library code is not valid (miss register or unregister function)') | |
449 | } | |
450 | ||
451 | const { registerOptions, registerStore } = this.getRegisterHelpers(npmName, plugin) | |
452 | ||
453 | await ensureDir(registerOptions.peertubeHelpers.plugin.getDataDirectoryPath()) | |
454 | ||
455 | await library.register(registerOptions) | |
456 | ||
457 | logger.info('Add plugin %s CSS to global file.', npmName) | |
458 | ||
459 | await this.addCSSToGlobalFile(pluginPath, packageJSON.css) | |
460 | ||
461 | return { library, registerStore } | |
462 | } | |
463 | ||
464 | // ###################### Translations ###################### | |
465 | ||
466 | private async addTranslations (plugin: PluginModel, npmName: string, translationPaths: PluginTranslationPathsJSON) { | |
467 | for (const locale of Object.keys(translationPaths)) { | |
468 | const path = translationPaths[locale] | |
469 | const json = await readJSON(join(this.getPluginPath(plugin.name, plugin.type), path)) | |
470 | ||
471 | const completeLocale = getCompleteLocale(locale) | |
472 | ||
473 | if (!this.translations[completeLocale]) this.translations[completeLocale] = {} | |
474 | this.translations[completeLocale][npmName] = json | |
475 | ||
476 | logger.info('Added locale %s of plugin %s.', completeLocale, npmName) | |
477 | } | |
478 | } | |
479 | ||
480 | private deleteTranslations (npmName: string) { | |
481 | for (const locale of Object.keys(this.translations)) { | |
482 | delete this.translations[locale][npmName] | |
483 | ||
484 | logger.info('Deleted locale %s of plugin %s.', locale, npmName) | |
485 | } | |
486 | } | |
487 | ||
488 | // ###################### CSS ###################### | |
489 | ||
490 | private resetCSSGlobalFile () { | |
491 | return outputFile(PLUGIN_GLOBAL_CSS_PATH, '') | |
492 | } | |
493 | ||
494 | private async addCSSToGlobalFile (pluginPath: string, cssRelativePaths: string[]) { | |
495 | for (const cssPath of cssRelativePaths) { | |
496 | await this.concatFiles(join(pluginPath, cssPath), PLUGIN_GLOBAL_CSS_PATH) | |
497 | } | |
498 | } | |
499 | ||
500 | private concatFiles (input: string, output: string) { | |
501 | return new Promise<void>((res, rej) => { | |
502 | const inputStream = createReadStream(input) | |
503 | const outputStream = createWriteStream(output, { flags: 'a' }) | |
504 | ||
505 | inputStream.pipe(outputStream) | |
506 | ||
507 | inputStream.on('end', () => res()) | |
508 | inputStream.on('error', err => rej(err)) | |
509 | }) | |
510 | } | |
511 | ||
512 | private async regeneratePluginGlobalCSS () { | |
513 | await this.resetCSSGlobalFile() | |
514 | ||
515 | for (const plugin of this.getRegisteredPlugins()) { | |
516 | await this.addCSSToGlobalFile(plugin.path, plugin.css) | |
517 | } | |
518 | } | |
519 | ||
520 | // ###################### Utils ###################### | |
521 | ||
522 | private sortHooksByPriority () { | |
523 | for (const hookName of Object.keys(this.hooks)) { | |
524 | this.hooks[hookName].sort((a, b) => { | |
525 | return b.priority - a.priority | |
526 | }) | |
527 | } | |
528 | } | |
529 | ||
530 | private getPackageJSON (pluginName: string, pluginType: PluginType) { | |
531 | const pluginPath = join(this.getPluginPath(pluginName, pluginType), 'package.json') | |
532 | ||
533 | return readJSON(pluginPath) as Promise<PluginPackageJSON> | |
534 | } | |
535 | ||
536 | private getPluginPath (pluginName: string, pluginType: PluginType) { | |
537 | const npmName = PluginModel.buildNpmName(pluginName, pluginType) | |
538 | ||
539 | return join(CONFIG.STORAGE.PLUGINS_DIR, 'node_modules', npmName) | |
540 | } | |
541 | ||
542 | private getAuth (npmName: string, authName: string) { | |
543 | const plugin = this.getRegisteredPluginOrTheme(npmName) | |
544 | if (!plugin || plugin.type !== PluginType.PLUGIN) return null | |
545 | ||
546 | let auths: (RegisterServerAuthPassOptions | RegisterServerAuthExternalOptions)[] = plugin.registerHelpers.getIdAndPassAuths() | |
547 | auths = auths.concat(plugin.registerHelpers.getExternalAuths()) | |
548 | ||
549 | return auths.find(a => a.authName === authName) | |
550 | } | |
551 | ||
552 | // ###################### Private getters ###################### | |
553 | ||
554 | private getRegisteredPluginsOrThemes (type: PluginType) { | |
555 | const plugins: RegisteredPlugin[] = [] | |
556 | ||
557 | for (const npmName of Object.keys(this.registeredPlugins)) { | |
558 | const plugin = this.registeredPlugins[npmName] | |
559 | if (plugin.type !== type) continue | |
560 | ||
561 | plugins.push(plugin) | |
562 | } | |
563 | ||
564 | return plugins | |
565 | } | |
566 | ||
567 | // ###################### Generate register helpers ###################### | |
568 | ||
569 | private getRegisterHelpers ( | |
570 | npmName: string, | |
571 | plugin: PluginModel | |
572 | ): { registerStore: RegisterHelpers, registerOptions: RegisterServerOptions } { | |
573 | const onHookAdded = (options: RegisterServerHookOptions) => { | |
574 | if (!this.hooks[options.target]) this.hooks[options.target] = [] | |
575 | ||
576 | this.hooks[options.target].push({ | |
577 | npmName, | |
578 | pluginName: plugin.name, | |
579 | handler: options.handler, | |
580 | priority: options.priority || 0 | |
581 | }) | |
582 | } | |
583 | ||
584 | const registerHelpers = new RegisterHelpers(npmName, plugin, onHookAdded.bind(this)) | |
585 | ||
586 | return { | |
587 | registerStore: registerHelpers, | |
588 | registerOptions: registerHelpers.buildRegisterHelpers() | |
589 | } | |
590 | } | |
591 | ||
592 | private sanitizeAndCheckPackageJSONOrThrow (packageJSON: PluginPackageJSON, pluginType: PluginType) { | |
593 | if (!packageJSON.staticDirs) packageJSON.staticDirs = {} | |
594 | if (!packageJSON.css) packageJSON.css = [] | |
595 | if (!packageJSON.clientScripts) packageJSON.clientScripts = [] | |
596 | if (!packageJSON.translations) packageJSON.translations = {} | |
597 | ||
598 | const { result: packageJSONValid, badFields } = isPackageJSONValid(packageJSON, pluginType) | |
599 | if (!packageJSONValid) { | |
600 | const formattedFields = badFields.map(f => `"${f}"`) | |
601 | .join(', ') | |
602 | ||
603 | throw new Error(`PackageJSON is invalid (invalid fields: ${formattedFields}).`) | |
604 | } | |
605 | } | |
606 | ||
607 | static get Instance () { | |
608 | return this.instance || (this.instance = new this()) | |
609 | } | |
610 | } |