Merge #2583

2583: Use prettier settings in ts-lint r=matklad a=edwin0cheng

This PR add `tslint-plugin-prettier` extension in ts-lint, which "runs prettier rules as tslint rules." and remove  `quotemark` from ts-lint and let prettier to handle it. 

And also fix #2515

Co-authored-by: Edwin Cheng <edwin0cheng@gmail.com>

Author: bors[bot]

editors/code/package-lock.json

@@ -48,11 +48,12 @@
         "rollup": "^1.27.9",
         "rollup-plugin-commonjs": "^10.1.0",
         "rollup-plugin-node-resolve": "^5.2.0",
-        "rollup-plugin-typescript": "^1.0.1",
         "rollup-plugin-sourcemaps": "^0.4.2",
+        "rollup-plugin-typescript": "^1.0.1",
         "shx": "^0.3.1",
         "tslint": "^5.20.1",
         "tslint-config-prettier": "^1.18.0",
+        "tslint-plugin-prettier": "^2.0.1",
         "typescript": "^3.7.3",
         "vsce": "^1.70.0",
         "vscode-test": "^1.2.3"

editors/code/package.json

@@ -1,9 +1,13 @@
 {
     "defaultSeverity": "error",
-    "extends": ["tslint:recommended", "tslint-config-prettier"],
+    "extends": [
+        "tslint:recommended",
+        "tslint-config-prettier",
+        "tslint-plugin-prettier"
+    ],
     "rules": {
-        "quotemark": [true, "single"],
         "interface-name": false,
+        "prettier": true,
         "object-literal-sort-keys": false,
         // Allow `_bar` to sort with tsc's `noUnusedParameters` option
         "variable-name": [true, "allow-leading-underscore"]