Add config to publish to github pages

scripts/config.js

@@ -0,0 +1,45 @@
+'use strict';
+
+const rRepoURL = /^(?:(?:git|https?|git\+https|git\+ssh):\/\/)?(?:[^@]+@)?([^\/]+?)[\/:](.+?)\.git$/; // eslint-disable-line no-useless-escape
+const rGithubPage = /\.github\.(io|com)$/;
+
+function parseRepo(repo) {
+  const split = repo.split(',');
+  const url = split.shift();
+  let branch = split[0];
+
+  if (!branch && rRepoURL.test(url)) {
+    const match = url.match(rRepoURL);
+    const host = match[1];
+    const path = match[2];
+
+    if (host === 'github.com') {
+      branch = rGithubPage.test(path) ? 'master' : 'gh-pages';
+    } else if (host === 'coding.net') {
+      branch = 'coding-pages';
+    }
+  }
+
+  return {
+    url: url,
+    branch: branch || 'master'
+  };
+}
+
+module.exports = function(args) {
+  const repo = args.repo || args.repository;
+  if (!repo) throw new TypeError('repo is required!');
+
+  if (typeof repo === 'string') {
+    const data = parseRepo(repo);
+    data.branch = args.branch || data.branch;
+
+    return [data];
+  }
+
+  const result = Object.keys(repo).map(key => {
+    return parseRepo(repo[key]);
+  });
+
+  return result;
+};