Upgrade Antlr to 4.9.2

build/bf-cli-build-test-steps.yml

@@ -30,9 +30,9 @@ steps:
   continueOnError: true
 
 - task: NodeTool@0
-  displayName: 'Use Node 12.x'
+  displayName: 'Use Node 14.x'
   inputs:
-    versionSpec: 12.x
+    versionSpec: 14.x
 
 - task: Npm@1
   displayName: 'npm install --global @microsoft/rush'

build/botframework-cli.yml

@@ -28,9 +28,9 @@ jobs:
       continueOnError: true
 
     - task: NodeTool@0
-      displayName: 'Use Node 12.x'
+      displayName: 'Use Node 14.x'
       inputs:
-        versionSpec: 12.x
+        versionSpec: 14.x
 
     - task: Npm@1
       displayName: 'npm install --global @microsoft/rush'

packages/cli/package.json

@@ -8,7 +8,7 @@
   },
   "bugs": "https://github.com/microsoft/botframework-cli",
   "engines": {
-    "node": ">=8.0.0 <14"
+    "node": ">=14.0.0"
   },
   "files": [
     "/bin",

packages/lu/package.json

@@ -6,7 +6,7 @@
   "main": "lib/parser/index.js",
   "browser": "lib/parser/composerindex.js",
   "engines": {
-    "node": ">=8.0.0"
+    "node": ">=14.0.0"
   },
   "files": [
     "/lib",
@@ -34,7 +34,7 @@
   },
   "dependencies": {
     "@types/node-fetch": "~2.5.5",
-    "antlr4": "~4.8.0",
+    "antlr4": "4.9.2",
     "axios": "~0.21.1",
     "https-proxy-agent": "^5.0.0",
     "chalk": "2.4.1",

packages/lu/src/parser/lufile/entitySection.js

@@ -1,4 +1,4 @@
-const EntitySectionContext = require('./generated/LUFileParser').LUFileParser.EntitySectionContext;
+import EntitySectionContext from './generated/LUFileParser.js'
 const DiagnosticSeverity = require('./diagnostic').DiagnosticSeverity;
 const BuildDiagnostic = require('./diagnostic').BuildDiagnostic;
 const LUSectionTypes = require('./../utils/enums/lusectiontypes');