Add prettier

editors/code/package-lock.json

@@ -534,6 +534,12 @@
             "integrity": "sha1-elfrVQpng/kRUzH89GY9XI4AelA=",
             "dev": true
         },
+        "prettier": {
+            "version": "1.19.1",
+            "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz",
+            "integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==",
+            "dev": true
+        },
         "read": {
             "version": "1.0.7",
             "resolved": "https://registry.npmjs.org/read/-/read-1.0.7.tgz",

editors/code/package.json

@@ -18,7 +18,8 @@
     "scripts": {
         "vscode:prepublish": "rollup -c",
         "package": "vsce package",
-        "watch": "tsc -watch -p ./"
+        "watch": "tsc -watch -p ./",
+        "prettier": "prettier --write **/*.ts"
     },
     "dependencies": {
         "jsonc-parser": "^2.1.0",
@@ -26,16 +27,22 @@
         "vscode-languageclient": "^6.0.0-next.9"
     },
     "devDependencies": {
-        "rollup": "^1.27.14",
         "@rollup/plugin-commonjs": "^11.0.0",
         "@rollup/plugin-node-resolve": "^6.0.0",
         "@rollup/plugin-typescript": "^2.0.1",
-        "typescript": "^3.7.3",
-        "tslib": "^1.10.0",
-        "vsce": "^1.71.0",
         "@types/node": "^12.12.21",
         "@types/seedrandom": "^2.4.28",
-        "@types/vscode": "^1.41.0"
+        "@types/vscode": "^1.41.0",
+        "prettier": "^1.19.1",
+        "rollup": "^1.27.14",
+        "tslib": "^1.10.0",
+        "typescript": "^3.7.3",
+        "vsce": "^1.71.0"
+    },
+    "prettier": {
+        "singleQuote": true,
+        "tabWidth": 4,
+        "trailingComma": "all"
     },
     "activationEvents": [
         "onLanguage:rust",