feat: support opencc

lib/middleware/parameter.js

@@ -1,6 +1,7 @@
 const he = require('he');
 const mercury_parser = require('@postlight/mercury-parser');
 const cheerio = require('cheerio');
+const OpenCC = require('opencc');
 const got = require('@/utils/got');
 const config = require('@/config').value;
 
@@ -224,6 +225,16 @@ module.exports = async (ctx, next) => {
                     return item;
                 });
             }
+
+            // opencc
+            if (ctx.query.opencc) {
+                const converter = new OpenCC(`${ctx.query.opencc}.json`);
+                const tasks = ctx.state.data.item.map(async (item) => {
+                    item.title = await converter.convertPromise(item.title);
+                    item.description = await converter.convertPromise(item.description);
+                });
+                await Promise.all(tasks);
+            }
         }
     }
 };