完成dev脚本

scripts/dev.js

@@ -0,0 +1,51 @@
+const inquirer = require('inquirer');
+const rollup = require('rollup');
+const logger = require('./logger');
+const projects = require('./getProjects')();
+const creatRollupConfig = require('./creatRollupConfig');
+
+function develop(projectPath) {
+    const config = creatRollupConfig(projectPath);
+    const watcher = rollup.watch(config);
+    watcher.on('event', event => {
+        switch (event.code) {
+            case 'START':
+                logger.log('checking rollup version...');
+                break;
+            case 'BUNDLE_START':
+                logger.log(`bundling ${config.output.file}...`);
+                break;
+            case 'BUNDLE_END':
+                logger.success(`${config.output.file} bundled in ${event.duration}ms.`);
+                logger.success('Watching for changes...');
+                break;
+            case 'END':
+                logger.success('finished building all bundles');
+                break;
+            case 'ERROR':
+                logger.fatal(`error: ${event.error}`);
+                break;
+            case 'FATAL':
+                logger.fatal(`fatal: ${event.error}`);
+                break;
+            default:
+                logger.warn(`unknown event: ${event.code}`);
+        }
+    });
+}
+
+inquirer
+    .prompt([
+        {
+            type: 'list',
+            message: 'Which project do you want to develop?',
+            name: 'project',
+            choices: Object.keys(projects),
+        },
+    ])
+    .then(answers => {
+        develop(projects[answers.project]);
+    })
+    .catch(err => {
+        logger.fatal(err);
+    });