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feat: initial implementation
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‎.babelrc

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{
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"presets": [
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["@babel/preset-env", {
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"targets": {
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"node": "8"
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}
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}],
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"@babel/preset-typescript"
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]
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}

‎.gitignore

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### OS Junk ###
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.DS_Store
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*~
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### Node ###
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# Logs
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logs
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*.log
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npm-debug.log*
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yarn-debug.log*
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yarn-error.log*
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# Runtime data
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pids
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*.pid
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*.seed
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*.pid.lock
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# Directory for instrumented libs generated by jscoverage/JSCover
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lib-cov
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# Coverage directory used by tools like istanbul
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coverage
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# nyc test coverage
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.nyc_output
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# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
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.grunt
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# Bower dependency directory (https://bower.io/)
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bower_components
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# node-waf configuration
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.lock-wscript
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# Compiled binary addons (http://nodejs.org/api/addons.html)
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build/Release
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# Dependency directories
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node_modules/
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jspm_packages/
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# Typescript v1 declaration files
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typings/
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# Optional npm cache directory
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.npm
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# Optional eslint cache
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.eslintcache
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# Optional REPL history
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.node_repl_history
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# Output of 'npm pack'
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*.tgz
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# Yarn Integrity file
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.yarn-integrity
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# dotenv environment variables file
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.env
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# generated files
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lib/

‎LICENSE.md

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MIT License
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Copyright (c) 2017 React Native Community
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md

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Metro handles compiling source code for React Native libraries, but it's possible to use them in other targets such as web. Currently, to handle this, we need to have multiple babel configs and write a long `babel-cli` command in our `package.json`. We also need to keep the configs in sync between our projects.
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Just as an example, this is a command we have in one of the packages: `babel --extensions '.js,.ts,.tsx' --no-babelrc --config-file=./babel.config.publish.js src --ignore '**/__tests__/**' --copy-files --source-maps --delete-dir-on-start --out-dir dist && del-cli 'dist/**/__tests__' && yarn tsc --emitDeclarationOnly`. This isn't all, there's even a separate `babel.config.publish.js` file. And this only works for webpack and Metro, and will fail on Node due to ESM usage.
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Just as an example, this is a command we have in one of the packages: `babel --extensions '.js,.ts,.tsx' --no-babelrc --config-file=./babel.config.publish.js src --ignore '**/__tests__/**' --copy-files --source-maps --delete-dir-on-start --out-dir dist && del-cli 'dist/**/__tests__' && yarn tsc --emitDeclarationOnly`. This isn't all, there's even a separate `babel.config.publish.js` file. And this only works for webpack and Metro, and will fail on Node due to ESM usage.
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Bob wraps tools such as `babel-cli` and simplifies these common tasks across multiple projects. It's tailored specifically to React Native projects to minimize the configuration required.
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## Usage
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In your `package.json`, specify the targets to build for:
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To configure your project to use Bob, open a Terminal and run `yarn bob init` for automatic configuration.
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```json
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"@react-native-community/bob": {
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"targets": [
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"commonjs",
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"module",
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"typescript"
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]
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}
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```
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To configure your project manually, follow these steps:
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Then add `bob` to your `prepare` step:
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1. In your `package.json`, specify the targets to build for:
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```js
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"scripts": {
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"prepare": "bob build"
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}
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```
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```json
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"@react-native-community/bob": {
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"source": "src",
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"output": "lib",
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"targets": [
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["commonjs", {"flow": true}],
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"module"
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]
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}
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```
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And finally, configure the appropriate entry points:
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```json
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"main": "commonjs/index.js",
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"module": "module/index.js",
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"react-native": "src/index.js",
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"types": "typescript/index.d.ts",
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"files": [
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"commonjs/",
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"module/",
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"src/",
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"typescript/"
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]
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```
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1. Add `bob` to your `prepare` step:
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```js
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"scripts": {
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"prepare": "bob build"
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}
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```
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1. Configure the appropriate entry points:
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```json
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"main": "lib/commonjs/index.js",
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"module": "lib/module/index.js",
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"react-native": "src/index.js",
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"files": [
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"lib/",
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"src/"
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]
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```
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1. Add the output directory to `.gitignore`
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```gitignore
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# generated files by bob
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lib/
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```
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And we're done 🎉
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## TODO
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- TypeScript support
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## LICENSE
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MIT

‎bin/bob.js

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#!/usr/bin/env node
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require('../lib/cli');

‎package.json

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"name": "@react-native-community/bob",
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"version": "0.1.0",
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"description": "CLI to build JavaScript files for React Native libraries",
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"main": "src/index.js",
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"repository": "git@github.com:react-native-community/bob.git",
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"author": "Satyajit Sahoo <satyajit.happy@gmail.com>",
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"license": "MIT"
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"license": "MIT",
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"main": "src/index.js",
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"bin": {
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"bob": "bin/bob.js"
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},
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"files": [
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"bin",
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"lib"
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],
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"scripts": {
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"typescript": "tsc --noEmit",
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"build": "babel --extensions .ts,.tsx src --out-dir lib --ignore '**/__tests__/**' --source-maps --delete-dir-on-start",
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"watch": "yarn build --watch",
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"prepare": "yarn build"
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},
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"dependencies": {
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"@babel/core": "^7.4.0",
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"chalk": "^2.4.2",
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"cosmiconfig": "^5.2.0",
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"fs-extra": "^7.0.1",
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"glob": "^7.1.3",
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"inquirer": "^6.2.2",
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"is-git-dirty": "^1.0.0",
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"metro-react-native-babel-preset": "^0.53.1",
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"ora": "^3.3.0",
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"yargs": "^13.2.2"
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},
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"devDependencies": {
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"@babel/cli": "^7.2.3",
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"@babel/preset-env": "^7.4.2",
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"@babel/preset-typescript": "^7.3.3",
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"@types/babel__core": "^7.1.0",
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"@types/chalk": "^2.2.0",
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"@types/cosmiconfig": "^5.0.3",
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"@types/fs-extra": "^5.0.5",
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"@types/glob": "^7.1.1",
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"@types/inquirer": "^6.0.0",
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"@types/ora": "^3.2.0",
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"@types/yargs": "^12.0.11",
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"conventional-changelog-cli": "^2.0.12",
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"release-it": "^10.4.0",
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"typescript": "^3.4.1"
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}
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}

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