From 0e926262628499bb9f1eadca2c4b081f344f3152 Mon Sep 17 00:00:00 2001
From: Shuai Wang <shuwan@microsoft.com>
Date: Fri, 10 Apr 2020 18:20:23 +0800
Subject: [PATCH] fix expression version and suggestions

---
 .../language-generation/package.json          |  1 -
 .../src/builtinFunctionsMap.ts                | 25 +++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/Composer/packages/tools/language-servers/language-generation/package.json b/Composer/packages/tools/language-servers/language-generation/package.json
index 86cabba5a6..9c6d6c0bc7 100644
--- a/Composer/packages/tools/language-servers/language-generation/package.json
+++ b/Composer/packages/tools/language-servers/language-generation/package.json
@@ -16,7 +16,6 @@
   },
   "dependencies": {
     "@bfc/indexers": "*",
-    "adaptive-expressions": "^4.8.0-preview-110700",
     "botbuilder-lg": "^4.9.0-preview-117748",
     "request-light": "^0.2.2",
     "vscode-languageserver": "^5.3.0-next"
diff --git a/Composer/packages/tools/language-servers/language-generation/src/builtinFunctionsMap.ts b/Composer/packages/tools/language-servers/language-generation/src/builtinFunctionsMap.ts
index 9ae9852ca7..c3c0159339 100644
--- a/Composer/packages/tools/language-servers/language-generation/src/builtinFunctionsMap.ts
+++ b/Composer/packages/tools/language-servers/language-generation/src/builtinFunctionsMap.ts
@@ -759,6 +759,31 @@ export const buildInfunctionsMap: Map<string, FunctionEntity> = new Map<string,
     ),
   ],
 
+  //type checing functions
+  [
+    'isInteger',
+    new FunctionEntity(['input: any'], ReturnType.Boolean, 'determine whether a given input is an integer number.'),
+  ],
+  [
+    'isFloat',
+    new FunctionEntity(['input: any'], ReturnType.Boolean, 'determine whether a given input is a float point number.'),
+  ],
+  [
+    'isBoolean',
+    new FunctionEntity(['input: any'], ReturnType.Boolean, 'determine whether a given input is a boolean.'),
+  ],
+  ['isArray', new FunctionEntity(['input: any'], ReturnType.Boolean, 'determine whether a given input is an array.')],
+  ['isObject', new FunctionEntity(['input: any'], ReturnType.Boolean, 'determine whether a given input is an object.')],
+  [
+    'isDateTime',
+    new FunctionEntity(
+      ['input: any'],
+      ReturnType.Boolean,
+      'determine whether a given input is a UTC ISO format timestamp.'
+    ),
+  ],
+  ['isString', new FunctionEntity(['input: any'], ReturnType.Boolean, 'determine whether a given input is a string.')],
+
   // Functions injected from LG library
   // https://github.com/microsoft/BotBuilder-Samples/blob/master/experimental/language-generation/docs/Functions-injected-from-LG.md
   [