Adding github release request mapper for ripgrep

diff --git a/ripgrep/releases.js b/ripgrep/releases.js
new file mode 100644 (file)
index 0000000..09eda59
--- /dev/null
+++ b/ripgrep/releases.js
@@ -0,0 +1,106 @@
+'use strict';
+
+// this may need customizations between packages
+const osMap = {
+  macos: /\b(mac|darwin|iPhone|iOS|iPad)/i,
+  linux: /\b(linux)/i,
+  win: /\b(win|microsoft|msft)/i,
+  sunos: /\b(sun)/i,
+  aix: /\b(aix)/i
+};
+
+const archMap = {
+  amd64: /(amd64|x64|[_\-]64)/i,
+  x86: /\b(x86)(?![_\-]64)/i,
+  ppc64le: /\b(ppc64le)/i,
+  ppc64: /\b(ppc64)\b/i,
+  i686: /\b(i686)\b/i,
+  arm64: /\b(arm64|arm)/i,
+  armv7l: /\b(armv?7l)/i,
+  armv6l: /\b(armv?6l)/i,
+  s390x: /\b(s390x)/i
+};
+
+const fileExtMap = {
+  deb: /\.deb$/i,
+  pkg: /\.pkg$/i,
+  exe: /\.exe$/i,
+  msi: /\.msi$/i,
+  zip: /\.zip$/i,
+  tar: /\.(tar(\.?(gz)?)|tgz)/i,
+  '7z': /\.7;$/i
+};
+
+/**
+ * Gets the releases for 'ripgrep'. This function could be trimmed down and made
+ * for use with any github release.
+ *
+ * @param request
+ * @param {string} owner
+ * @param {string} repo
+ * @returns {PromiseLike<any> | Promise<any>}
+ */
+function getAllReleases(request, owner = 'BurntSushi', repo = 'ripgrep') {
+  if (!owner) {
+    return Promise.reject('missing owner for repo');
+  }
+  if (!repo) {
+    return Promise.reject('missing repo name');
+  }
+  return request({
+    url: `https://api.github.com/repos/${owner}/${repo}/releases`,
+    json: true
+  }).then((resp) => {
+    const gHubResp = resp.body;
+    const all = {
+      releases: [],
+      download: ''
+    };
+
+    gHubResp.forEach((release) => {
+      release['assets'].forEach((asset) => {
+        // set the primary download to the first of the releases
+        if (all.download === '') {
+          all.download = asset['browser_download_url'];
+        }
+
+        const name = asset['name'];
+        const os = Object.keys(osMap).find(regKey => {
+          name.match(osMap[regKey]);
+        }) || 'linux';
+        const arch = Object.keys(archMap)
+          .find(regKey => name.match(archMap[regKey]));
+
+        let fileExt = '';
+        Object.keys(fileExtMap).find(regKey => {
+          const match = name.match(fileExtMap[regKey]);
+          if (match) {
+            fileExt = match[0];
+            return true;
+          }
+          return false;
+        });
+
+        all.releases.push({
+          download: asset['browser_download_url'],
+          date: release['published_at'],
+          version: release['tag_name'],
+          lts: !release['prerelease'],
+          ext: fileExt,
+          arch,
+          os
+        });
+      });
+    });
+
+    return all;
+  });
+}
+
+module.exports = getAllReleases;
+
+if (module === require.main) {
+  getAllReleases(require('@root/request'), 'BurntSushi', 'ripgrep').then(function(all) {
+    console.log(JSON.stringify(all, null, 2));
+  });
+}