add setting 'searchOperator'

Author: haoAddsearch

README.md

@@ -86,6 +86,17 @@ client.autocomplete('custom_fields.brand', 'a', callback);
 client.setAutocompleteSize(20);
 ```
 
+#### Search operator
+Description for search operator. There are three options:
+- **"and"**:
+- **"or"**:
+- **no parameter**: Remove the query parameter from the search api
+
+```js
+// Possible values "and"/"or"/null/ (default: null)
+client.setSearchOperator('and');  
+```
+
 #### Search with fuzzy matching
 Fuzzy matching is used for typo tolerance. There are four options:
 - **false**: No typo tolerance

dist/addsearch-js-client.min.js

@@ -81,7 +81,8 @@ var executeApiFetch = function(apiHostname, sitekey, type, settings, cb, fuzzyRe
         settingToQueryParam(settings.resultType, 'resultType') +
         settingToQueryParam(settings.userToken, 'userToken') +
         settingToQueryParam(settings.numFacets, 'numFacets') +
-        settingToQueryParam(settings.cacheResponseTime, 'cacheResponseWithTtlSeconds');
+        settingToQueryParam(settings.cacheResponseTime, 'cacheResponseWithTtlSeconds') +
+        settingToQueryParam(settings.searchOperator, 'defaultOperator');
 
       // Add custom field filters
       if (settings.customFieldFilters) {

src/apifetch.js

@@ -160,6 +160,7 @@ var client = function(sitekey, privatekey) {
   this.setStatsSessionId = function(id) { this.sessionId = id; }
   this.getStatsSessionId = function() { return this.sessionId; }
   this.enableLogicalOperators = function(enableLogicalOperators) { this.settings.enableLogicalOperators(enableLogicalOperators) }
+  this.setSearchOperator = function(operator) { this.settings.setSearchOperator(operator) }
 
   this.sendStatsEvent = function(type, keyword, data) {
     if (type === 'search') {

src/index.js

@@ -19,6 +19,7 @@ var settings = function() {
     autocomplete: {
       size: 10
     },
+    searchOperator: null,
     enableLogicalOperators: false,
     cacheResponseTime: null
   };
@@ -213,6 +214,17 @@ var settings = function() {
       this.settings.paging.page = this.settings.paging.page - 1;
     }
   }
+
+  this.setSearchOperator = function(operator) {
+    if (!operator) {
+      this.settings.searchOperator = null;
+      return;
+    }
+    if (operator !== 'and' && operator !== 'or') {
+      throw "operator must be 'and' || 'or'"
+    }
+    this.settings.searchOperator = operator;
+  }
 }
 
 module.exports = settings;