planning

node_modules/find-root/index.js

@@ -0,0 +1,31 @@
+var path = require('path')
+var fs = require('fs')
+
+function defaultCheck (dir) {
+  return fs.existsSync(path.join(dir, 'package.json'))
+}
+
+function findRoot (start, check) {
+  start = start || module.parent.filename
+  check = check || defaultCheck
+
+  if (typeof start === 'string') {
+    if (start[start.length - 1] !== path.sep) {
+      start += path.sep
+    }
+    start = start.split(path.sep)
+  }
+  if (!start.length) {
+    throw new Error('package.json not found in path')
+  }
+  start.pop()
+  var dir = start.join(path.sep)
+  try {
+    if (check(dir)) {
+      return dir
+    }
+  } catch (e) {}
+  return findRoot(start, check)
+}
+
+module.exports = findRoot