feat(version): versions

1 files changed, 103 insertions, 0 deletions

diff --git a/src/templates/assets/javascripts/components/source/facts/github/index.ts b/src/templates/assets/javascripts/components/source/facts/github/index.ts
new file mode 100644
index 00000000..12cc55e0
--- /dev/null
+++ b/src/templates/assets/javascripts/components/source/facts/github/index.ts
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+import { Repo, User } from "github-types"
+import {
+  EMPTY,
+  Observable,
+  catchError,
+  defaultIfEmpty,
+  map,
+  zip
+} from "rxjs"
+
+import { requestJSON } from "~/browser"
+
+import { SourceFacts } from "../_"
+
+/* ----------------------------------------------------------------------------
+ * Helper types
+ * ------------------------------------------------------------------------- */
+
+/**
+ * GitHub release (partial)
+ */
+interface Release {
+  tag_name: string                     /* Tag name */
+}
+
+/* ----------------------------------------------------------------------------
+ * Functions
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Fetch GitHub repository facts
+ *
+ * @param user - GitHub user or organization
+ * @param repo - GitHub repository
+ *
+ * @returns Repository facts observable
+ */
+export function fetchSourceFactsFromGitHub(
+  user: string, repo?: string
+): Observable<SourceFacts> {
+  if (typeof repo !== "undefined") {
+    const url = `https://api.github.com/repos/${user}/${repo}`
+    return zip(
+
+      /* Fetch version */
+      requestJSON<Release>(`${url}/releases/latest`)
+        .pipe(
+          catchError(() => EMPTY), // @todo refactor instant loading
+          map(release => ({
+            version: release.tag_name
+          })),
+          defaultIfEmpty({})
+        ),
+
+      /* Fetch stars and forks */
+      requestJSON<Repo>(url)
+        .pipe(
+          catchError(() => EMPTY), // @todo refactor instant loading
+          map(info => ({
+            stars: info.stargazers_count,
+            forks: info.forks_count
+          })),
+          defaultIfEmpty({})
+        )
+    )
+      .pipe(
+        map(([release, info]) => ({ ...release, ...info }))
+      )
+
+  /* User or organization */
+  } else {
+    const url = `https://api.github.com/users/${user}`
+    return requestJSON<User>(url)
+      .pipe(
+        map(info => ({
+          repositories: info.public_repos
+        })),
+        defaultIfEmpty({})
+      )
+  }
+}