Add json format support

example/config.yml

@@ -36,7 +36,7 @@ collections: # A list of collections the CMS should be able to edit
         file: "_data/settings.json"
         description: "General Site Settings"
         fields:
-          - {label: "Global title", name: site_title, widget: "string"}
+          - {label: "Global title", name: "site_title", widget: "string"}
 
       - name: "authors"
         label: "Authors"

src/backends/backend.js

@@ -87,13 +87,8 @@ class Backend {
 
   // We have the file path. Fetch and parse the file.
   getEntry(collection, slug, path) {
-    return this.implementation.getEntry(collection, slug, path).then(this.entryWithFormat(collection));
+    return this.implementation.getEntry(collection, slug, path)
-  }
+      .then(loadedEntry => this.entryWithFormat(collection, slug)(createEntry(
-
-  lookupEntry(collection, slug) {
-    const collectionModel = new Collection(collection);
-    return this.implementation.getEntry(collection, slug, collectionModel.entryPath(slug))
-      .then(loadedEntry => this.entryWithFormat(collection)(createEntry(
         collection.get('name'),
         slug,
         loadedEntry.file.path,
@@ -102,6 +97,10 @@ class Backend {
     );
   }
 
+  lookupEntry(collection, slug) {
+    return this.getEntry(collection, slug, new Collection(collection).entryPath(slug));
+  }
+
   newEntry(collection) {
     return createEntry(collection.get('name'));
   }

src/formats/formats.js

@@ -1,7 +1,9 @@
 import YAML from './yaml';
+import JSONFormatter from './json';
 import YAMLFrontmatter from './yaml-frontmatter';
 
 const yamlFormatter = new YAML();
+const jsonFormatter = new JSONFormatter();
 const YamlFrontmatterFormatter = new YAMLFrontmatter();
 
 function formatByType(type) {
@@ -12,17 +14,18 @@ function formatByType(type) {
 
 function formatByExtension(extension) {
   return {
-    'yml': yamlFormatter,
+    yml: yamlFormatter,
-    'md': YamlFrontmatterFormatter,
+    json: jsonFormatter,
-    'markdown': YamlFrontmatterFormatter,
+    md: YamlFrontmatterFormatter,
-    'html': YamlFrontmatterFormatter
+    markdown: YamlFrontmatterFormatter,
+    html: YamlFrontmatterFormatter,
   }[extension] || YamlFrontmatterFormatter;
 }
 
 function formatByName(name) {
   return {
-    'yaml': yamlFormatter,
+    yaml: yamlFormatter,
-    'frontmatter': YamlFrontmatterFormatter
+    frontmatter: YamlFrontmatterFormatter,
   }[name] || YamlFrontmatterFormatter;
 }
 
@@ -30,8 +33,9 @@ export function resolveFormat(collectionOrEntity, entry) {
   if (typeof collectionOrEntity === 'string') {
     return formatByType(collectionOrEntity);
   }
-  if (entry && entry.path) {
+  const path = entry && entry.path;
-    return formatByExtension(entry.path.split('.').pop());
+  if (path) {
+    return formatByExtension(path.split('.').pop());
   }
   return formatByName(collectionOrEntity.get('format'));
 }

src/formats/json.js

@@ -0,0 +1,9 @@
+export default class JSONFormatter {
+  fromFile(content) {
+    return JSON.parse(content);
+  }
+
+  toFile(data) {
+    return JSON.generate(data);
+  }
+}