feat: add wapm service

api/wapm.ts

@@ -0,0 +1,85 @@
+import got from '../libs/got'
+import { size, version, versionColor } from '../libs/utils'
+import { createBadgenHandler, PathArgs } from '../libs/create-badgen-handler'
+
+const uniq = <T = any>(arr: T[]) => [...new Set(arr)]
+
+const packageQuery = `
+  query packageQuery($name: String!, $version: String) {
+    packageVersion: getPackageVersion(name: $name, version: $version) {
+      version
+      license
+      createdAt
+      distribution { size }
+      commands {
+        command
+        module { name }
+      }
+      modules {
+        name
+        abi
+      }
+    }
+  }
+`
+
+export default createBadgenHandler({
+  title: 'wapm',
+  examples: {
+    '/wapm/v/zamfofex/greg': 'version',
+    '/wapm/v/cowsay': 'version',
+    '/wapm/license/huhn/hello-wasm': 'license',
+    '/wapm/size/coreutils': 'size',
+    '/wapm/abi/jwmerrill/lox-repl': 'abi',
+    '/wapm/abi/kherrick/pwgen': 'abi'
+  },
+  handlers: {
+    '/wapm/:topic<v|license|size|abi>/:namespace/:pkg': handler,
+    '/wapm/:topic<v|license|size|abi>/:pkg': handler
+  }
+})
+
+async function handler ({ topic, pkg, namespace }: PathArgs) {
+  const info = await fetchMetadata(pkg, namespace)
+
+  switch (topic) {
+    case 'v':
+      return {
+        subject: 'wapm',
+        status: version(info.version),
+        color: versionColor(info.version)
+      }
+    case 'license':
+      return {
+        subject: 'license',
+        status: info.license || 'unknown',
+        color: 'blue'
+      }
+    case 'size':
+      return {
+        subject: 'distrib size',
+        status: size(info.distribution.size),
+        color: 'green'
+      }
+    case 'abi':
+      const supportedABIs = uniq(info.modules.map(m => m.abi)).sort().join(' | ')
+      return {
+        subject: 'abi',
+        status: supportedABIs || 'unknown',
+        color: supportedABIs ? 'blue' : 'grey'
+      }
+  }
+}
+
+function fetchMetadata(pkg, namespace = '_') {
+  const name = `${namespace}/${pkg}`
+  return queryWapm(packageQuery, 'packageQuery', { name })
+    .then(res => res.data!.packageVersion)
+}
+
+function queryWapm<T = any>(query, operationName, variables) {
+  const json = { query, operationName, variables }
+  const endpoint =
+    process.env.WAPM_API_GRAPHQL || 'https://registry.wapm.io/graphql'
+  return got.post(endpoint, { json }).json<T>()
+}

libs/badge-list.ts

@@ -36,6 +36,7 @@ export const liveBadgeList = [
   'winget',
   'f-droid',
   'pub',
+  'wapm',
   // CI
   'travis',
   'circleci',