processSearchQuery: Add support for category: filter

Author: Turbo87

app/utils/search.js

@@ -1,19 +1,26 @@
+const CATEGORY_PREFIX = 'category:';
 const KEYWORD_PREFIX = 'keyword:';
 const KEYWORDS_PREFIX = 'keywords:';
 
 /**
  * Process a search query string and extract filters like `keywords:`.
  *
  * @param {string} query
- * @return {{ q: string, keyword?: string, all_keywords?: string }}
+ * @return {{ q: string, keyword?: string, all_keywords?: string, category?: string }}
  */
 export function processSearchQuery(query) {
   let tokens = query.trim().split(/\s+/);
 
   let queries = [];
   let keywords = [];
+  let category = null;
   for (let token of tokens) {
-    if (token.startsWith(KEYWORD_PREFIX)) {
+    if (token.startsWith(CATEGORY_PREFIX)) {
+      let value = token.slice(CATEGORY_PREFIX.length).trim();
+      if (value) {
+        category = value;
+      }
+    } else if (token.startsWith(KEYWORD_PREFIX)) {
       let value = token.slice(KEYWORD_PREFIX.length).trim();
       if (value) {
         keywords.push(value);
@@ -30,11 +37,16 @@ export function processSearchQuery(query) {
   }
 
   let result = { q: queries.join(' ') };
+
   if (keywords.length === 1) {
     result.keyword = keywords[0];
   } else if (keywords.length !== 0) {
     result.all_keywords = keywords.join(' ');
   }
 
+  if (category) {
+    result.category = category;
+  }
+
   return result;
 }

tests/utils/search-test.js

@@ -13,6 +13,9 @@ module('processSearchQuery()', function () {
     ['foo keywords:bar,baz', { q: 'foo', all_keywords: 'bar baz' }],
     ['foo keywords:bar keywords:baz', { q: 'foo', keyword: 'baz' }],
     ['foo keyword:bar keyword:baz', { q: 'foo', all_keywords: 'bar baz' }],
+    ['foo category:', { q: 'foo' }],
+    ['foo category:no-std', { q: 'foo', category: 'no-std' }],
+    ['foo category:no-std keywords:bar,baz', { q: 'foo', all_keywords: 'bar baz', category: 'no-std' }],
   ];
 
   for (let [input, expectation] of TESTS) {