fix(dependedUpon): encode start and en keys

This is to avoid badly formatted requests

Author: vvo

npm.js

@@ -97,16 +97,18 @@ export function getDownloads(pkgs) {
 
 export function getDependents(pkgs) {
   return Promise.all(
-    pkgs.map(({ name }) =>
-      got(
-        `${c.npmRegistryEndpoint}/_design/app/_view/dependedUpon?startkey=%5B%22${name}%22%5D&endkey=%5B%22${name}%22%2C%22%EF%BF%B0%22%5D&limit=1&reduce=true&stale=update_after`,
+    pkgs.map(({ name }) => {
+      const startKey = JSON.stringify([name]);
+      const endKey = JSON.stringify([name, {}]);
+      return got(
+        `${c.npmRegistryEndpoint}/_design/app/_view/dependedUpon?startkey=${startKey}&endkey=${endKey}&stale=update_after`,
         { json: true }
       )
         .then(res => res.body.rows[0] || { value: 0 })
         .then(({ value }) => ({
           dependents: value,
           humanDependents: numeral(value).format('0.[0]a'),
-        }))
-    )
+        }));
+    })
   );
 }