add decode option to parseQS, export parseQS closes #56

src/index.js

@@ -1,4 +1,5 @@
 export { spec, miss, check, assignValues } from './router/spec'
 export { match, toggle, toggleSelected } from './router/match'
+export { parseQS } from './router/utils-path'
 export { container } from './container'
 export { Anchor } from './anchor'

src/router/utils-path.js

@@ -84,12 +84,13 @@ function parseHref(loc) {
   return makeLocation(...extractQSHash(loc))
 }
 
-function parseQS(qs, ids, path = '', delim = ',') {
+function parseQS(qs, ids, path = '', { delim = ',', decodeValues } = {}) {
   if (qs[0] !== '?') qs = '?' + qs
   let values = ids.map(id => {
     let rx = new RegExp('[?&;]+' + escapeRx(id) + '=([^&;#]+)', 'i')
     return qs.split(rx).slice(1).filter(s => /^[^&;#]/.test(s)).join(delim)
   })
+  if (decodeValues) values = values.map(decode)
   let slashes = new Array(ids.length).fill('/', path.slice(-1) === '/' ? 1 : 0)
   return substitute([path, ...values], slashes)
 }