feat: support lockfiles during text-external (#450)

* feat: support lockfiles during text-external

This change detects presence of yarn.lock or package-lock.json
and executes dependency install using optimized command,
speeding up the build.

License: MIT
Signed-off-by: Marcin Rataj <[email protected]>

* feat: support npm-shrinkwrap.json during test-external

License: MIT
Signed-off-by: Marcin Rataj <[email protected]>

Author: lidel

src/test-external/index.js

@@ -38,11 +38,30 @@ const isMonoRepo = (targetDir) => {
   return fs.existsSync(path.join(targetDir, 'lerna.json'))
 }
 
+const hasNpmLock = (targetDir) => {
+  return fs.existsSync(path.join(targetDir, 'package-lock.json')) ||
+    fs.existsSync(path.join(targetDir, 'npm-shrinkwrap.json'))
+}
+
+const hasYarnLock = (targetDir) => {
+  return fs.existsSync(path.join(targetDir, 'yarn.lock'))
+}
+
 const installDependencies = async (targetDir) => {
   console.info('Installing dependencies') // eslint-disable-line no-console
-  await exec('npm', ['install'], {
-    cwd: targetDir
-  })
+  if (hasYarnLock(targetDir)) {
+    await exec('yarn', ['install'], {
+      cwd: targetDir
+    })
+  } else if (hasNpmLock(targetDir)) {
+    await exec('npm', ['ci'], {
+      cwd: targetDir
+    })
+  } else {
+    await exec('npm', ['install'], {
+      cwd: targetDir
+    })
+  }
 }
 
 const linkIPFSInDir = async (targetDir, ipfsDir, ipfsPkg, httpClientPkg) => {