MCPcopy
hub / github.com/npmx-dev/npmx.dev / processSingleFastNpmMeta

Function processSingleFastNpmMeta

modules/runtime/server/cache.ts:245–313  ·  view source on GitHub ↗

* Process a single package query for fast-npm-meta. * Returns the metadata for a single package or null/error result.

(
  packageQuery: string,
  storage: ReturnType<typeof useStorage>,
  metadata: boolean,
)

Source from the content-addressed store, hash-verified

243 * Returns the metadata for a single package or null/error result.
244 */
245async function processSingleFastNpmMeta(
246 packageQuery: string,
247 storage: ReturnType<typeof useStorage>,
248 metadata: boolean,
249): Promise<Record<string, unknown>> {
250 let packageName = packageQuery
251 let specifier = 'latest'
252
253 if (packageName.startsWith('@')) {
254 const atIndex = packageName.indexOf('@', 1)
255 if (atIndex !== -1) {
256 specifier = packageName.slice(atIndex + 1)
257 packageName = packageName.slice(0, atIndex)
258 }
259 } else {
260 const atIndex = packageName.indexOf('@')
261 if (atIndex !== -1) {
262 specifier = packageName.slice(atIndex + 1)
263 packageName = packageName.slice(0, atIndex)
264 }
265 }
266
267 // Special case: packages with "does-not-exist" in the name should 404
268 if (packageName.includes('does-not-exist') || packageName.includes('nonexistent')) {
269 return { error: 'not_found' }
270 }
271
272 const fixturePath = getFixturePath('packument', packageName)
273 const packument = await storage.getItem<any>(fixturePath)
274
275 if (!packument) {
276 // For unknown packages without the special markers, try to return stub data
277 // This is handled elsewhere - returning error here for fast-npm-meta
278 return { error: 'not_found' }
279 }
280
281 let version: string | undefined
282 if (specifier === 'latest' || !specifier) {
283 version = packument['dist-tags']?.latest
284 } else if (packument['dist-tags']?.[specifier]) {
285 version = packument['dist-tags'][specifier]
286 } else if (packument.versions?.[specifier]) {
287 version = specifier
288 } else {
289 version = packument['dist-tags']?.latest
290 }
291
292 if (!version) {
293 return { error: 'version_not_found' }
294 }
295
296 const result: Record<string, unknown> = {
297 name: packageName,
298 specifier,
299 version,
300 publishedAt: packument.time?.[version] || new Date().toISOString(),
301 lastSynced: Date.now(),
302 }

Callers 1

handleFastNpmMetaFunction · 0.85

Calls 1

getFixturePathFunction · 0.85

Tested by

no test coverage detected