Some scripts tweaks

scripts/build.js

@@ -1,10 +1,9 @@
-const execSync = require('child_process').execSync;
 const path = require('path');
+const execSync = require('child_process').execSync;
 
-function exec(cmd) {
-  execSync(cmd, { env: process.env, stdio: 'inherit' });
-}
-
-let config = path.resolve(__dirname, 'builds/history.js');
+let config = path.resolve(__dirname, 'rollup/history.config.js');
 
-exec(`rollup -c ${config}`);
+execSync(`rollup -c ${config}`, {
+  env: process.env,
+  stdio: 'inherit'
+});

scripts/publish.js

@@ -1,5 +1,5 @@
-const execSync = require('child_process').execSync;
 const path = require('path');
+const execSync = require('child_process').execSync;
 
 const jsonfile = require('jsonfile');
 const semver = require('semver');

scripts/test.js

@@ -1,10 +1,9 @@
-const execSync = require('child_process').execSync;
 const path = require('path');
-
-function exec(cmd) {
-  execSync(cmd, { env: process.env, stdio: 'inherit' });
-}
+const execSync = require('child_process').execSync;
 
 let karmaConfig = path.resolve(__dirname, 'karma.conf.js');
 
-exec(`karma start ${karmaConfig}`);
+execSync(`karma start ${karmaConfig}`, {
+  env: process.env,
+  stdio: 'inherit'
+});

scripts/version.js

@@ -12,17 +12,15 @@ function packageJson(packageName) {
   return path.join(rootDir, 'packages', packageName, 'package.json');
 }
 
-function exec(cmd) {
-  return execSync(cmd, { env: process.env }).toString();
-}
-
 function invariant(cond, message) {
   if (!cond) throw new Error(message);
 }
 
 function ensureCleanWorkingDirectory() {
-  let status = exec(`git status --porcelain`);
-  let lines = status.trim().split('\n');
+  let status = execSync(`git status --porcelain`)
+    .toString()
+    .trim();
+  let lines = status.split('\n');
   invariant(
     lines.every(line => line === '' || line.startsWith('?')),
     'Working directory is not clean. Please commit or stash your changes.'
@@ -98,8 +96,8 @@ async function run() {
     console.log(chalk.green(`  Updated history to version ${version}`));
 
     // 4. Commit and tag
-    exec(`git commit --all --message="Version ${version}"`);
-    exec(`git tag -a -m "Version ${version}" v${version}`);
+    execSync(`git commit --all --message="Version ${version}"`);
+    execSync(`git tag -a -m "Version ${version}" v${version}`);
     console.log(chalk.green(`  Committed and tagged version ${version}`));
   } catch (error) {
     console.log();