feat(cli): install dependencies before build

2019-12-19 10:31:17 +08:00
parent 387575edf5
commit 83ba5e47bf
6 changed files with 239 additions and 143 deletions
@@ -1,5 +1,6 @@
 import decamelize from 'decamelize';
 import { join } from 'path';
+import { execSync } from 'child_process';
 import {
  lstatSync,
  existsSync,
@@ -128,4 +129,19 @@ export function smartOutputFile(filePath: string, content: string) {
  outputFileSync(filePath, content);
 }

+let hasYarnCache: boolean;
+
+export function hasYarn() {
+  if (hasYarnCache === undefined) {
+    try {
+      execSync('yarn --version', { stdio: 'ignore' });
+      hasYarnCache = true;
+    } catch (e) {
+      hasYarnCache = false;
+    }
+  }
+
+  return hasYarnCache;
+}
+
 export { decamelize, getVantConfig };