feat: findUpFile to node utils

ccontrols · Nov 24, 2020 · bfcde64 · bfcde64
1 parent 57e1d6f
commit bfcde64
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/core/core/src/node-utils.ts b/core/core/src/node-utils.ts
@@ -0,0 +1,19 @@
+import fs from 'fs';
+import path from 'path';
+
+export const findUpFile = (
+  filePath: string,
+  fileName: string | string[],
+  levels: number = 10,
+): string | null => {
+  const files = fs.readdirSync(filePath);
+  if (levels === 0) {
+    return null;
+  }
+  const arFiles: string[] = Array.isArray(fileName) ? fileName : [fileName];
+  const pckg = files.find(file => arFiles.includes(file));
+  if (pckg) {
+    return path.resolve(filePath, pckg);
+  }
+  return findUpFile(path.resolve(filePath, '..'), fileName, levels - 1);
+};