Merge branch 'master' into refactor/rxjs-typescript

src/assets/javascripts/components/Material/Source/Adapter/GitHub.js

@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2016-2019 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 Abstract from "./Abstract"
+
+/* ----------------------------------------------------------------------------
+ * Class
+ * ------------------------------------------------------------------------- */
+
+export default class GitHub extends Abstract {
+
+  /**
+   * Retrieve repository information from GitHub
+   *
+   * @constructor
+   *
+   * @property {string} name_ - Name of the repository
+   *
+   * @param {(string|HTMLAnchorElement)} el - Selector or HTML element
+   */
+  constructor(el) {
+    super(el)
+
+    /* Extract user (and repository name) from URL, as we have to query for all
+       repositories, to omit 404 errors for private repositories */
+    const matches = /^.+github\.com\/([^/]+)\/?([^/]+)?.*$/
+      .exec(this.base_)
+    if (matches && matches.length === 3) {
+      const [, user, name] = matches
+
+      /* Initialize base URL and repository name */
+      this.base_ = `https://api.github.com/users/${user}/repos`
+      this.name_ = name
+    }
+  }
+
+  /**
+   * Fetch relevant repository information from GitHub
+   *
+   * @return {Promise<Array<string>>} Promise returning an array of facts
+   */
+  fetch_() {
+    const paginate = (page = 0) => (
+      fetch(`${this.base_}?per_page=100&sort=updated&page=${page}`)
+        .then(response => response.json())
+        .then(data => {
+          if (!(data instanceof Array))
+            return []
+
+          /* Display number of stars and forks, if repository is given */
+          if (this.name_) {
+            const repo = data.find(item => item.name === this.name_)
+            if (!repo && data.length === 30)
+              return paginate(page + 1)
+
+            /* If we found a repo, extract the facts */
+            return repo
+              ? [
+                `${this.format_(repo.stargazers_count)} Stars`,
+                `${this.format_(repo.forks_count)} Forks`
+              ]
+              : []
+
+          /* Display number of repositories, otherwise */
+          } else {
+            return [
+              `${data.length} Repositories`
+            ]
+          }
+        })
+    )
+
+    /* Paginate through repos */
+    return paginate()
+  }
+}