Convert source to TypeScript

package.json

@@ -22,8 +22,7 @@
   },
   "scripts": {
     "build": "tsc -p tsconfig.json",
-    "test": "jest --config ./test/jest.config.json",
-    "prepare": "npm run build"
+    "test": "jest --config ./test/jest.config.json"
   },
   "files": [
     "dist",
@@ -67,9 +66,16 @@
     "typescript": "^3.4.5"
   },
   "devDependencies": {
+    "@types/ansi-escapes": "^4.0.0",
     "@types/camelcase": "^5.2.0",
+    "@types/execa": "^0.9.0",
     "@types/fs-extra": "^5.0.5",
+    "@types/mkdirp": "^0.5.2",
+    "@types/ms": "^0.7.30",
     "@types/node": "^11.13.8",
+    "@types/ora": "^3.2.0",
+    "@types/rollup-plugin-json": "^3.0.2",
+    "@types/rollup-plugin-sourcemaps": "^0.4.2",
     "husky": "^2.1.0",
     "prettier": "^1.17.0",
     "pretty-quick": "^1.10.0",

src/constants.ts

@@ -0,0 +1,9 @@
+import { resolveApp } from './utils';
+
+export const paths = {
+  appPackageJson: resolveApp('package.json'),
+  testsSetup: resolveApp('test/setupTests.ts'),
+  appRoot: resolveApp('.'),
+  appSrc: resolveApp('src'),
+  appDist: resolveApp('dist'),
+};

src/createJestConfig.js → src/createJestConfig.ts

@@ -1,5 +1,3 @@
-import { appPackageJson } from './constants';
-
 export function createJestConfig(resolve, rootDir) {
   return {
     transform: {

src/createRollupConfig.js → src/createRollupConfig.ts

@@ -5,7 +5,7 @@ import {
   removeScope,
   external,
 } from './utils';
-import { paths, appPackageJson } from './constants';
+import { paths } from './constants';
 import { sizeSnapshot } from 'rollup-plugin-size-snapshot';
 import { terser } from 'rollup-plugin-terser';
 import babel from 'rollup-plugin-babel';
@@ -79,7 +79,7 @@ export function createRollupConfig(format, env, opts) {
           'module',
           'main',
           opts.target !== 'node' ? 'browser' : undefined,
-        ].filter(Boolean),
+        ].filter(Boolean) as string[],
       }),
       format === 'umd' &&
         commonjs({

src/env.d.ts

@@ -0,0 +1,12 @@
+declare module 'asyncro';
+declare module 'enquirer';
+declare module 'jpjs';
+declare module 'ora';
+declare module 'sade';
+declare module 'tiny-glob/sync';
+
+// Rollup plugins
+declare module '@jaredpalmer/rollup-plugin-preserve-shebang';
+declare module 'rollup-plugin-babel';
+declare module 'rollup-plugin-size-snapshot';
+declare module 'rollup-plugin-terser';

src/getInstallArgs.ts

@@ -0,0 +1,10 @@
+import { InstallCmd } from './getInstallCmd';
+
+export default function getInstallArgs(cmd: InstallCmd, packages: string[]) {
+  switch (cmd) {
+    case 'npm':
+      return ['install', ...packages, '--save-dev'];
+    case 'yarn':
+      return ['add', ...packages, '--dev'];
+  }
+}

src/getInstallCmd.js → src/getInstallCmd.ts

@@ -1,8 +1,10 @@
 import execa from 'execa';
 
-let cmd;
+let cmd: InstallCmd;
 
-export default function getInstallCmd() {
+export type InstallCmd = 'yarn' | 'npm';
+
+export default function getInstallCmd(): InstallCmd {
   if (cmd) {
     return cmd;
   }

src/index.js → src/index.ts

@@ -6,7 +6,7 @@ import { rollup, watch } from 'rollup';
 import asyncro from 'asyncro';
 import chalk from 'chalk';
 import util from 'util';
-import fs from 'fs-extra';
+import * as fs from 'fs-extra';
 import jest from 'jest';
 import logError from './logError';
 import path from 'path';
@@ -43,15 +43,15 @@ try {
   appPackageJson = fs.readJSONSync(resolveApp('package.json'));
 } catch (e) {}
 
-const stat = util.promisify(fs.stat);
-
 export const isDir = name =>
-  stat(name)
+  fs
+    .stat(name)
     .then(stats => stats.isDirectory())
     .catch(() => false);
 
 export const isFile = name =>
-  stat(name)
+  fs
+    .stat(name)
     .then(stats => stats.isFile())
     .catch(() => false);
 
@@ -66,8 +66,8 @@ async function jsOrTs(filename) {
 }
 
 async function getInputs(entries, source) {
-  let inputs = [];
-  let stub = [];
+  let inputs: any[] = [];
+  let stub: any[] = [];
   stub
     .concat(
       entries && entries.length
@@ -197,7 +197,7 @@ prog
     const installSpinner = ora(Messages.installing(deps)).start();
     try {
       const cmd = getInstallCmd();
-      await execa(cmd, getInstallArgs(getInstallCmd(), deps));
+      await execa(cmd, getInstallArgs(cmd, deps));
       installSpinner.succeed('Installed dependecines');
       console.log(Messages.start(pkg));
     } catch (error) {
@@ -237,10 +237,7 @@ prog
         module.exports = require('./${safeVariableName(
           opts.name
         )}.cjs.development.js')
-      }`,
-          {
-            overwrite: true,
-          }
+      }`
         );
       } catch (e) {}
     }
@@ -296,7 +293,7 @@ prog
     const [cjsDev, cjsProd, ...otherConfigs] = createBuildConfigs(opts);
     if (opts.format.includes('cjs')) {
       try {
-        await mkdirp(resolveApp('./dist'));
+        await util.promisify(mkdirp)(resolveApp('./dist'));
         const promise = fs
           .writeFile(
             resolveApp('./dist/index.js'),
@@ -311,10 +308,7 @@ prog
         module.exports = require('./${safePackageName(
           opts.name
         )}.cjs.development.js')
-      }`,
-            {
-              overwrite: true,
-            }
+      }`
           )
           .catch(e => logError(e));
         logger(promise, 'Creating entry file');
@@ -362,7 +356,9 @@ prog
       argv.push('--watchAll');
     }
 
-    const maybeTestSetupFiledExists = await fs.exists(paths.testsSetup);
+    const maybeTestSetupFiledExists = await (fs.exists as any)(
+      paths.testsSetup
+    );
     const setupTestsFile = maybeTestSetupFiledExists
       ? '<rootDir>/src/setupTests.ts'
       : undefined;

src/output.js → src/output.ts

@@ -20,11 +20,6 @@ export const success = msg => {
   console.log(`${chalk.green('> Success!')} ${msg}`);
 };
 
-export const time = () => {
-  const start = new Date();
-  return chalk.gray(`[${ms(new Date() - start)}]`);
-};
-
 export const wait = msg => {
   const spinner = ora(chalk.green(msg));
   spinner.color = 'blue';
@@ -47,7 +42,7 @@ export const prompt = opts => {
       const s = v.toString();
 
       function cleanup() {
-        process.stdin.setRawMode(false);
+        process.stdin.setRawMode!(false);
         process.stdin.removeListener('data', ondata);
       }
 
@@ -64,7 +59,7 @@ export const prompt = opts => {
       }
     };
 
-    process.stdin.setRawMode(true);
+    process.stdin.setRawMode!(true);
     process.stdin.resume();
     process.stdin.on('data', ondata);
   });

tsconfig.json

@@ -1,4 +1,6 @@
 {
+  "include": ["src/**/*"],
+  "exclude": ["src/template/**/*"],
   "compilerOptions": {
     "allowJs": true,
     "importHelpers": true,
@@ -8,13 +10,8 @@
     "module": "commonjs",
     "rootDir": "src",
     "strict": true,
+    "noImplicitAny": false,
     "skipLibCheck": true,
-    "target": "es2017",
-  },
-  "include": [
-    "src/**/*"
-  ],
-  "exclude": [
-    "src/template/**/*"
-  ]
-}
+    "target": "es2017"
+  }
+}