✨ Added content_api_key helper (#21151)

no ref

This very small helper adds {{content_api_key}} to the collection of handlebars helpers available to theme creators. This will make it easier for themes to access the content API key, without either requiring the user to get it from the integrations page and input it on the theme setting page or resorting to JavaScript to read it from one of the built-in script tag attributes -- both ugly workarounds.

ghost/core/core/frontend/helpers/content_api_key.js

@@ -0,0 +1,19 @@
+const {SafeString} = require('../services/handlebars');
+const logging = require('@tryghost/logging');
+const {getFrontendKey} = require('../services/proxy');
+
+module.exports = async function content_api_key() { // eslint-disable-line camelcase
+    try {
+        const frontendKey = await getFrontendKey();
+
+        if (!frontendKey) {
+            logging.warn('contentkey: No content key found');
+            return '';
+        }
+        return new SafeString(frontendKey);
+    } catch (error) {
+        logging.error(error);
+        return '';
+    }
+};
+module.exports.async = true;

ghost/core/test/unit/frontend/helpers/content_api_key.test.js

@@ -0,0 +1,19 @@
+/* eslint-disable no-regex-spaces */
+const proxy = require('../../../../core/frontend/services/proxy');
+const {getFrontendKey} = proxy;
+const should = require('should');
+
+// Stuff we are testing
+const content_api_key = require('../../../../core/frontend/helpers/content_api_key');
+
+describe('{{content_api_key}} helper', function () {
+    describe('compare to settings', function () {
+        it('returns the content API key', async function () {
+            const result = await content_api_key();
+            const expected = await getFrontendKey();
+            should.exist(result);
+            String(result).should.equal(expected);
+        });
+    });
+});
+

ghost/core/test/unit/frontend/services/theme-engine/handlebars/helpers.test.js

@@ -8,7 +8,7 @@ const helpers = require('../../../../../../core/frontend/services/helpers');
 describe('Helpers', function () {
     const hbsHelpers = ['each', 'if', 'unless', 'with', 'helperMissing', 'blockHelperMissing', 'log', 'lookup', 'block', 'contentFor'];
     const ghostHelpers = [
-        'asset', 'authors', 'body_class', 'cancel_link', 'concat', 'content', 'date', 'encode', 'excerpt', 'facebook_url', 'foreach', 'get',
+        'asset', 'authors', 'body_class', 'cancel_link', 'concat', 'content', 'content_api_key', 'date', 'encode', 'excerpt', 'facebook_url', 'foreach', 'get',
         'ghost_foot', 'ghost_head', 'has', 'img_url', 'is', 'link', 'link_class', 'meta_description', 'meta_title', 'navigation',
         'next_post', 'page_url', 'pagination', 'plural', 'post_class', 'prev_post', 'price', 'raw', 'reading_time', 't', 'tags', 'title','total_members', 'total_paid_members', 'twitter_url',
         'url', 'comment_count', 'collection', 'recommendations', 'readable_url'