Merge pull request #41 from gund/fix-eslint-bc

[Fix] ESlint backwards compatibility support

.travis.yml

@@ -5,12 +5,45 @@ notifications:
 node_js: lts/*
 stages:
   - test
+  - build
 jobs:
   include:
     - stage: test
+      name: 'Test ESLint Current'
       script:
         - npm run format:check
         - npm run test
+    - stage: test
+      name: 'Test ESLint v7'
+      script:
+        - npm i eslint@^7 @typescript-eslint/parser@^4 @typescript-eslint/eslint-plugin@^4
+        - |
+          cat package-lock.json | grep -A 1 \
+            -e "\"eslint\": {" \
+            -e "\"@typescript-eslint/parser\": {" \
+            -e "\"@typescript-eslint/eslint-plugin\": {"
+        - npm run test
+    - stage: test
+      name: 'Test ESLint v6'
+      script:
+        - npm i eslint@^6 @typescript-eslint/parser@^3 @typescript-eslint/eslint-plugin@^3
+        - |
+          cat package-lock.json | grep -A 1 \
+            -e "\"eslint\": {" \
+            -e "\"@typescript-eslint/parser\": {" \
+            -e "\"@typescript-eslint/eslint-plugin\": {"
+        - npm run test
+    - stage: test
+      name: 'Test Typescript v3.7.5'
+      script:
+        - npm i [email protected]
+        - |
+          cat package-lock.json | grep -A 1 \
+            -e "\"typescript\": {"
+        - npm run test
+    - stage: build
+      name: 'Build and Release'
+      script:
         - npm run build
       deploy:
         provider: script

src/rules/deprecation.ts

@@ -132,6 +132,9 @@ function isDeclaration(
       // Prevent considering initializer, extends, or implements to be declaration
       return parent.id === id;
 
+    //@ts-ignore
+    case 'ClassProperty':
+    //@ts-ignore
     case 'PropertyDefinition':
       // Prevent considering value to be a declaration
       return parent.key === id;