Merge pull request #92 from SocketDev/cg/infoPackageDefaultVersion

Handle dist tags / no version argument when running the info command

Author: charliegerard

lib/commands/info/index.js

@@ -21,7 +21,8 @@ export const info = {
 
     const input = setupCommand(name, info.description, argv, importMeta)
     if (input) {
-      const spinner = ora(`Looking up data for version ${input.pkgVersion} of ${input.pkgName}\n`).start()
+      const spinnerText = input.pkgVersion === 'latest' ? `Looking up data for the latest version of ${input.pkgName}\n` : `Looking up data for version ${input.pkgVersion} of ${input.pkgName}\n`
+      const spinner = ora(spinnerText).start()
       const packageData = await fetchPackageData(input.pkgName, input.pkgVersion, input, spinner)
       if (packageData) {
         formatPackageDataOutput(packageData, { name, ...input }, spinner)
@@ -92,16 +93,8 @@ function setupCommand (name, description, argv, importMeta) {
 
   const versionSeparator = rawPkgName.lastIndexOf('@')
 
-  if (versionSeparator < 1) {
-    throw new InputError('Need to specify a full package identifier, like eg: webtorrent@1.0.0')
-  }
-
-  const pkgName = rawPkgName.slice(0, versionSeparator)
-  const pkgVersion = rawPkgName.slice(versionSeparator + 1)
-
-  if (!pkgVersion) {
-    throw new InputError('Need to specify a version, like eg: webtorrent@1.0.0')
-  }
+  const pkgName = versionSeparator < 1 ? rawPkgName : rawPkgName.slice(0, versionSeparator)
+  const pkgVersion = versionSeparator < 1 ? 'latest' : rawPkgName.slice(versionSeparator + 1)
 
   return {
     includeAllIssues,
@@ -184,7 +177,11 @@ async function fetchPackageData (pkgName, pkgVersion, { includeAllIssues }, spin
     // Link to issues list
     const format = new ChalkOrMarkdown(!!outputMarkdown)
     const url = `https://socket.dev/npm/package/${pkgName}/overview/${pkgVersion}`
-    console.log('\nDetailed info on socket.dev: ' + format.hyperlink(`${pkgName} v${pkgVersion}`, url, { fallbackToUrl: true }))
+    if (pkgVersion === 'latest') {
+      console.log('\nDetailed info on socket.dev: ' + format.hyperlink(`${pkgName}`, url, { fallbackToUrl: true }))
+    } else {
+      console.log('\nDetailed info on socket.dev: ' + format.hyperlink(`${pkgName} v${pkgVersion}`, url, { fallbackToUrl: true }))
+    }
     if (!outputMarkdown) {
       console.log(chalk.dim('\nOr rerun', chalk.italic(name), 'using the', chalk.italic('--json'), 'flag to get full JSON output'))
     }