Single post version of force rerender tool

Author: ErisDS

force-rerender-single.js

@@ -0,0 +1,59 @@
+/**
+ * Re-renders all posts and pages
+ *
+ * Usage:
+ *
+ * node force-rerender-single.js https://blah.ghost.io ADMIN_API_KEY slug - dry run
+ * node force-rerender-single.js https://blah.ghost.io ADMIN_API_KEY slug true - live run
+ */
+
+if (process.argv.length < 4) {
+    console.log('not enough arguments, provide an API url and admin key');
+    process.exit(1);
+}
+
+const Promise = require('bluebird');
+const GhostAdminAPI = require('@tryghost/admin-api');
+
+const url = process.argv[2];
+const key = process.argv[3];
+const slug = process.argv[4];
+
+(async function main() {
+    const doRerender = process.argv[5] === 'true';
+
+    if (doRerender) {
+        console.log('REAL Run');
+    } else {
+        console.log('Dry Run - nothing will be re-rendered');
+    }
+
+    // Give the user time to read...
+    await Promise.delay(1000);
+
+    const api = new GhostAdminAPI({
+        url,
+        key,
+        version: 'canary'
+    });
+
+    try {
+        const post = await api.posts.read({slug}, {fields: 'id,slug,updated_at'});
+
+        console.log(`${post.slug} will be re-rendered`);
+
+        if (doRerender) {
+            console.log(`Re-rendering post ${post.slug} (${post.id})`);
+
+            // missing data attributes won't be changed
+            // updated_at is required to pass collision detection
+            const postData = {id: post.id, updated_at: post.updated_at};
+            await api.posts.edit(postData, {force_rerender: true});
+
+            console.log(`\nRe-rendered ${post.slug} \n`);
+        }
+    } catch (err) {
+        console.error('There was an error', require('util').inspect(err, false, null));
+        process.exit(1);
+    }
+})();