Use ES2018 for vscode extension
Today's latest vscode v1.40 (Node.jsv12.4/V8 v7.6) supports ES2018
features natively.
We don't have to transform codes to ES6.
{
"compilerOptions": {
"module": "commonjs",
- "target": "es6",
+ "target": "es2018",
"outDir": "out",
- "lib": ["es6"],
+ "lib": ["es2018"],
"sourceMap": true,
"rootDir": "src",
"strict": true,
