Logger

package.json

@@ -30,6 +30,7 @@
     "mkdirp": "^0.5.1",
     "ms": "^2.1.1",
     "ora": "^3.0.0",
+    "progress-estimator": "^0.2.2",
     "rollup": "^0.66.4",
     "rollup-plugin-babel": "^4.0.3",
     "rollup-plugin-commonjs": "^9.1.8",

src/index.js

@@ -17,9 +17,20 @@ import { paths } from './constants';
 import * as Messages from './messages';
 import { createRollupConfig } from './createRollupConfig';
 import { createJestConfig } from './createJestConfig';
-import { safeVariableName, resolveApp, safePackageName } from './utils';
+import {
+  safeVariableName,
+  resolveApp,
+  safePackageName,
+  clearConsole,
+} from './utils';
 import * as Output from './output';
 import { concatAllArray } from 'jpjs';
+const createLogger = require('progress-estimator');
+// All configuration keys are optional, but it's recommended to specify a storage location.
+// Learn more about configuration options below.
+const logger = createLogger({
+  storagePath: path.join(__dirname, '.progress-estimator'),
+});
 
 const prog = sade('tsdx');
 
@@ -186,7 +197,7 @@ prog
         );
       } catch (e) {}
     }
-
+    const spinner = ora().start();
     await watch(
       [cjsDev, cjsProd, ...otherConfigs].map(inputOptions => ({
         watch: {
@@ -197,13 +208,23 @@ prog
         ...inputOptions,
       }))
     ).on('event', async event => {
+      if (event.code === 'START') {
+        clearConsole();
+        spinner.start(chalk.bold.cyan('Compiling modules...'));
+      }
       if (event.code === 'ERROR') {
+        spinner.fail(chalk.bold.red('Failed to compile'));
         logError(event.error);
       }
       if (event.code === 'FATAL') {
+        spinner.fail(chalk.bold.red('Failed to compile'));
         logError(event.error);
       }
       if (event.code === 'END') {
+        spinner.succeed(chalk.bold.green('Compiled successfully'));
+        console.log(`
+  ${chalk.dim('Watching for changes')}
+`);
         try {
           await moveTypes();
         } catch (_error) {}
@@ -228,7 +249,7 @@ prog
     const [cjsDev, cjsProd, ...otherConfigs] = createBuildConfigs(opts);
     if (opts.format.includes('cjs')) {
       try {
-        await fs.writeFile(
+        const promise = fs.writeFile(
           resolveApp('dist/index.js'),
           `
          'use strict'
@@ -246,16 +267,18 @@ prog
             overwrite: true,
           }
         );
+        logger(promise, 'Creating entry file');
       } catch (e) {}
     }
     try {
-      await asyncro.map(
+      const promise = asyncro.map(
         [cjsDev, cjsProd, ...otherConfigs],
         async inputOptions => {
           let bundle = await rollup(inputOptions);
           await bundle.write(inputOptions.output);
         }
       );
+      logger(promise, 'Building modules');
       await moveTypes();
     } catch (error) {
       logError(error);

src/utils.js

@@ -24,3 +24,11 @@ export const appDirectory = fs.realpathSync(process.cwd());
 export const resolveApp = function(relativePath) {
   return path.resolve(appDirectory, relativePath);
 };
+
+// Taken from Create React App, react-dev-utils/clearConsole
+// @see https://github.com/facebook/create-react-app/blob/master/packages/react-dev-utils/clearConsole.js
+export function clearConsole() {
+  process.stdout.write(
+    process.platform === 'win32' ? '\x1B[2J\x1B[0f' : '\x1B[2J\x1B[3J\x1B[H'
+  );
+}

yarn.lock

@@ -1143,7 +1143,7 @@ cli-cursor@^2.0.0, cli-cursor@^2.1.0:
   dependencies:
     restore-cursor "^2.0.0"
 
-cli-spinners@^1.1.0:
+cli-spinners@^1.1.0, cli-spinners@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/cli-spinners/-/cli-spinners-1.3.1.tgz#002c1990912d0d59580c93bd36c056de99e4259a"
   integrity sha512-1QL4544moEsDVH9T/l6Cemov/37iv1RtoKf7NJ04A60+4MREXNfx/QvavbH6QoGdsD4N4Mwy49cmaINR/o2mdg==
@@ -2387,6 +2387,11 @@ https-browserify@^1.0.0:
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
   integrity sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM=
 
+humanize-duration@^3.15.3:
+  version "3.17.0"
+  resolved "https://registry.yarnpkg.com/humanize-duration/-/humanize-duration-3.17.0.tgz#a2cec75f9329ce68f8797b23d31d1f988992d11b"
+  integrity sha512-9em7CXFa0my1DF3aIQg0sTRyAX2znEOMHolUvu9nSTUjS+bRD32y0MH+Hnm3Xu0cSWrxpYb2isXSfH9pF2LP8g==
+
 husky@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/husky/-/husky-1.3.1.tgz#26823e399300388ca2afff11cfa8a86b0033fae0"
@@ -4435,6 +4440,16 @@ process@^0.11.10:
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
   integrity sha1-czIwDoQBYb2j5podHZGn1LwW8YI=
 
+progress-estimator@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/progress-estimator/-/progress-estimator-0.2.2.tgz#1c3947a5782ea56e40c8fccc290ac7ceeb1b91cb"
+  integrity sha512-GF76Ac02MTJD6o2nMNtmtOFjwWCnHcvXyn5HOWPQnEMO8OTLw7LAvNmrwe8LmdsB+eZhwUu9fX/c9iQnBxWaFA==
+  dependencies:
+    chalk "^2.4.1"
+    cli-spinners "^1.3.1"
+    humanize-duration "^3.15.3"
+    log-update "^2.3.0"
+
 promise-inflight@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"