feat: add typescript support

README.md

@@ -106,11 +106,15 @@ Enable `"@babel/preset-react"`. `true` by default.
 
 Enable `"@babel/preset-flow"`. `true` by default.
 
-8) `removeAllUseStrict`
+7) `typescript`
+
+Enable `"@babel/preset-typescript"`. `true` by default.
+
+9) `removeAllUseStrict`
 
 Remove all `'use strict'` from all files. Passed to [`babel-plugin-transform-not-strict`](https://github.com/atom-ide-community/babel-plugin-transform-not-strict#usage-remove-all). This is `false` by default.
 
-9) `notStrictDirectiveTriggers` and `notStrictCommentTriggers`
+10) `notStrictDirectiveTriggers` and `notStrictCommentTriggers`
 
 These specify `"not strict"` triggers. Passed to [`babel-plugin-transform-not-strict`](https://github.com/atom-ide-community/babel-plugin-transform-not-strict#usage-extra-directive-or-comment-triggers).
 
@@ -120,6 +124,7 @@ It includes the following presets:
 - `"@babel/preset-env"` (configured for `electron`)
 - `"@babel/preset-react"`
 - `"@babel/preset-flow"`
+- `"@babel/preset-typescript"`
 
 It also includes all the proposal plugins such as:
 - `"@babel/plugin-proposal-optional-chaining"`

index.js

@@ -5,7 +5,7 @@ if (process.env.BABEL_KEEP_MODULES === "true") {
 }
 
 function handleOptions(options) {
-  let {targets, keepModules, addModuleExports, addModuleExportsDefaultProperty, react, flow, removeAllUseStrict,  notStrictDirectiveTriggers, notStrictCommentTriggers } = options
+  let {targets, keepModules, addModuleExports, addModuleExportsDefaultProperty, react, flow, typescript, removeAllUseStrict,  notStrictDirectiveTriggers, notStrictCommentTriggers } = options
 
   // use Electron 5 targets by default
   if (targets == null) {
@@ -37,6 +37,10 @@ function handleOptions(options) {
     flow = true
   }
 
+  if (typescript == null) {
+    typescript = true
+  }
+
   if (removeAllUseStrict == null) {
     removeAllUseStrict = false
   }
@@ -47,12 +51,12 @@ function handleOptions(options) {
     notStrictCommentTriggers = ['@babel', '@flow', '* @babel', '* @flow']
   }
 
-  return {targets, keepModules, addModuleExports, addModuleExportsDefaultProperty, react, flow, removeAllUseStrict, notStrictDirectiveTriggers, notStrictCommentTriggers }
+  return {targets, keepModules, addModuleExports, addModuleExportsDefaultProperty, react, flow, typescript, removeAllUseStrict, notStrictDirectiveTriggers, notStrictCommentTriggers }
 }
 
 module.exports = (api, options, dirname) => {
 
-  const {targets, keepModules, addModuleExports, addModuleExportsDefaultProperty, react, flow, removeAllUseStrict, notStrictDirectiveTriggers, notStrictCommentTriggers } = handleOptions(options)
+  const {targets, keepModules, addModuleExports, addModuleExportsDefaultProperty, react, flow, typescript, removeAllUseStrict, notStrictDirectiveTriggers, notStrictCommentTriggers } = handleOptions(options)
 
   let presets = [
     [
@@ -76,6 +80,12 @@ module.exports = (api, options, dirname) => {
     ]);
   }
 
+  if (typescript) {
+    presets.push(...[
+      require("@babel/preset-typescript"),
+    ]);
+  }
+
   let plugins = [
     require("@babel/plugin-proposal-function-bind"),
 

package.json

@@ -22,7 +22,6 @@
   },
   "dependencies": {
     "@babel/plugin-proposal-class-properties": "^7.13.0",
-    "@babel/plugin-proposal-private-methods": "7.13.0",
     "@babel/plugin-proposal-decorators": "^7.13.5",
     "@babel/plugin-proposal-do-expressions": "7.12.13",
     "@babel/plugin-proposal-export-default-from": "7.12.13",
@@ -35,17 +34,19 @@
     "@babel/plugin-proposal-numeric-separator": "7.12.13",
     "@babel/plugin-proposal-optional-chaining": "7.13.12",
     "@babel/plugin-proposal-pipeline-operator": "7.12.13",
+    "@babel/plugin-proposal-private-methods": "7.13.0",
     "@babel/plugin-proposal-throw-expressions": "7.12.13",
     "@babel/plugin-syntax-dynamic-import": "7.8.3",
     "@babel/plugin-syntax-import-meta": "7.10.4",
+    "@babel/plugin-transform-reserved-words": "^7.12.13",
     "@babel/preset-env": "7.13.12",
     "@babel/preset-flow": "7.13.13",
     "@babel/preset-react": "7.13.13",
+    "@babel/preset-typescript": "^7.13.0",
     "babel-plugin-add-module-exports": "^1.0.4",
     "babel-plugin-codegen": "^4.1.4",
     "babel-plugin-preval": "^5.0.0",
-    "babel-plugin-transform-not-strict": "^0.3.1",
-    "@babel/plugin-transform-reserved-words": "^7.12.13"
+    "babel-plugin-transform-not-strict": "^0.3.1"
   },
   "peerDependencies": {
     "@babel/cli": "^7",