Search fixes

lib/components/Search/redoc-search.html

@@ -2,7 +2,7 @@
   <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 1000 1000" enable-background="new 0 0 1000 1000" xml:space="preserve">
     <path d="M968.2,849.4L667.3,549c83.9-136.5,66.7-317.4-51.7-435.6C477.1-25,252.5-25,113.9,113.4c-138.5,138.3-138.5,362.6,0,501C219.2,730.1,413.2,743,547.6,666.5l301.9,301.4c43.6,43.6,76.9,14.9,104.2-12.4C981,928.3,1011.8,893,968.2,849.4z M524.5,522c-88.9,88.7-233,88.7-321.8,0c-88.9-88.7-88.9-232.6,0-321.3c88.9-88.7,233-88.7,321.8,0C613.4,289.4,613.4,433.3,524.5,522z"/>
   </svg>
-  <input #search (keyup)="update(search.value)" placeholder="Search">
+  <input #search (keyup)="update($event, search.value)" [value]="searchTerm" placeholder="Search">
 </div>
 <ul class="search-results" [hidden]="!items.length">
   <li class="result" *ngFor="let item of items"

lib/components/Search/redoc-search.ts

@@ -1,6 +1,7 @@
 'use strict';
 import { Component, ChangeDetectionStrategy, ChangeDetectorRef, OnInit, HostBinding } from '@angular/core';
 import { Marker, SearchService, MenuService, MenuItem } from '../../services/';
+import { throttle } from '../../utils/';
 
 @Component({
   selector: 'redoc-search',
@@ -11,6 +12,8 @@ import { Marker, SearchService, MenuService, MenuItem } from '../../services/';
 export class RedocSearch implements OnInit {
   logo:any = {};
   items: { menuItem: MenuItem, pointers: string[] }[] = [];
+  searchTerm = '';
+  throttledSearch: Function;
 
   _subscription;
 
@@ -23,14 +26,36 @@ export class RedocSearch implements OnInit {
       cdr.markForCheck();
       cdr.detectChanges();
     });
+
+    this.throttledSearch = throttle(() => {
+      this.updateSearch();
+      cdr.markForCheck();
+      cdr.detectChanges();
+    }, 300, this);
   }
 
   init() {
     this.search.indexAll();
   }
 
-  update(val) {
-    let searchRes = this.search.search(val);
+  update(event:KeyboardEvent, val) {
+    if (event && event.keyCode === 27) { // escape
+      this.searchTerm = '';
+    } else {
+      this.searchTerm = val;
+    }
+
+    this.throttledSearch();
+  }
+
+  updateSearch() {
+    if (!this.searchTerm || this.searchTerm.length < 2) {
+      this.items = [];
+      this.marker.unmark();
+      return;
+    }
+
+    let searchRes = this.search.search(this.searchTerm);
     this.items = Object.keys(searchRes).map(id => ({
       menuItem: this.menu.getItemById(id),
       pointers: searchRes[id].map(el => el.pointer)
@@ -41,7 +66,7 @@ export class RedocSearch implements OnInit {
       else if (a.menuItem.depth < b.menuItem.depth) return -1;
       else return 0;
     });
-    this.marker.mark(val);
+    this.marker.mark(this.searchTerm);
   }
 
   clickSearch(item) {

lib/services/schema-normalizer.service.ts

@@ -199,7 +199,6 @@ class SchemaDereferencer {
 
   dereference(schema: Reference, pointer:string):any {
     if (!schema || !schema.$ref) return schema;
-    window['derefCount'] = window['derefCount'] ? window['derefCount'] + 1 : 1;
     let $ref = schema.$ref;
     let resolved = this._spec.byPointer($ref);
     if (!this._refCouner.visited($ref)) {

lib/services/search.service.ts

@@ -200,12 +200,19 @@ export class SearchService {
       }
     }
 
-    this.index({
-      pointer: absolutePointer,
-      menuId: menuPointer,
-      title,
-      body
-    });
+    if (schema.type === 'string' && schema.enum) {
+      body += ' ' + schema.enum.join(' ');
+    }
+
+    if (!parent) {
+      // redoc doesn't display top level descriptions and titles
+      this.index({
+        pointer: absolutePointer,
+        menuId: menuPointer,
+        title,
+        body
+      });
+    }
 
     if (schema.properties) {
       Object.keys(schema.properties).forEach(propName => {