Change transpilation target to ES2019

Author: sungoki

package.json

@@ -12,6 +12,7 @@
     "@rushstack/eslint-patch": "^1.1.3",
     "@saberhq/eslint-config": "^1.12.67",
     "@saberhq/eslint-config-react": "^1.12.67",
+    "@saberhq/tsconfig": "^1.12.67",
     "@types/babel__core": "^7.1.19",
     "babel-loader": "^8.2.5",
     "buffer": "^6.0.3",

packages/walletkit/tsconfig.json

@@ -1,15 +1,7 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "jsxImportSource": "@emotion/react",
-    "jsx": "react-jsx",
-
     "noEmit": false,
-    "importHelpers": true,
-    "sourceMap": true,
-    "declaration": true,
-    "declarationMap": true,
-    "inlineSources": true,
     "outDir": "dist/cjs/"
   },
   "include": ["src/"]

tsconfig.json

@@ -1,20 +1,7 @@
 {
+  "extends": "@saberhq/tsconfig/tsconfig.react.json",
   "compilerOptions": {
-    "lib": ["ES2017", "DOM"],
-    "target": "ES6",
     "module": "CommonJS",
-    "jsx": "react",
-    "moduleResolution": "node",
-
-    "strict": true,
-    "noUncheckedIndexedAccess": true,
-    "forceConsistentCasingInFileNames": true,
-    "noFallthroughCasesInSwitch": true,
-    "allowSyntheticDefaultImports": true,
-
-    "esModuleInterop": true,
-    "skipLibCheck": true,
-    "preserveConstEnums": true,
     "noEmit": true
   },
   "include": ["packages/"]

yarn.lock

@@ -3556,6 +3556,7 @@ __metadata:
     "@rushstack/eslint-patch": ^1.1.3
     "@saberhq/eslint-config": ^1.12.67
     "@saberhq/eslint-config-react": ^1.12.67
+    "@saberhq/tsconfig": ^1.12.67
     "@types/babel__core": ^7.1.19
     babel-loader: ^8.2.5
     buffer: ^6.0.3
@@ -5358,6 +5359,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@saberhq/tsconfig@npm:^1.12.67":
+  version: 1.12.67
+  resolution: "@saberhq/tsconfig@npm:1.12.67"
+  checksum: c3027a0f3e0bfe2d9e9acc51a42096acb2097e4654a8bac61986fc122114aeeadc3548be783ab35a7dee08ed64edebcd4315180cfd6ef39db1e149b44c8c3129
+  languageName: node
+  linkType: hard
+
 "@saberhq/use-solana@npm:^1.12.67":
   version: 1.12.67
   resolution: "@saberhq/use-solana@npm:1.12.67"