Add Word Dictionary (#424)

This parser provides definition for the first word.
->provides meaningful message when null, numeric or special character's are entered.
->provides message when there is no definition found for the given word.
->it only considers first word from the entered sentences and ignores the rest.

Author: thejasr110

Parsers/Word Dictionary.js

@@ -0,0 +1,37 @@
+/*
+activation_example:!dictionary type a word
+regex:!dictionary
+flags:gmi
+order:200
+stop_processing:false
+*/
+
+var word = current.text.replace(/!dictionary/gmi, "").trim();
+if (word == '') {
+    new x_snc_slackerbot.Slacker().send_chat(current, 'Please type a word', false);
+} else {
+    var regex = /[0-9!@#$%^&*(),.?":{}|<>]/;
+    if (regex.test(word)) {
+        new x_snc_slackerbot.Slacker().send_chat(current, 'Please type a word with only characters', false);
+    } else {
+        var wordsArray = word.split(" ");
+        var firstWord = wordsArray[0];
+		
+        var dictionary = new sn_ws.RESTMessageV2();
+        dictionary.setEndpoint('https://api.dictionaryapi.dev/api/v2/entries/en/' + firstWord);
+        dictionary.setHttpMethod("GET");
+        dictionary.setRequestHeader("Accept", "application/json");
+        var response = dictionary.execute();
+        var responseBody = response.getBody();
+        var statuscode = response.getStatusCode();
+        var responseJson = JSON.parse(responseBody);
+        var sendsentence = "";
+        if (statuscode == 200) {
+            var meaning = responseJson[0].meanings[0].definitions[0].definition;
+            sendsentence = firstWord + ': ' + meaning;
+        } else {
+            sendsentence = "Sorry pal, we couldn't find definitions for the word you were looking for.";
+        }
+        new x_snc_slackerbot.Slacker().send_chat(current, sendsentence, false);
+    }
+}