find hidden files

src/misc.ts

@@ -5,9 +5,28 @@ import { base32 } from "rfc4648";
 
 export type SUPPORTED_SERVICES_TYPE = "s3" | "webdav" | "ftp";
 
-export const ignoreHiddenFiles = (item: string) => {
+/**
-  const basename = path.basename(item);
+ * If any part of the file starts with '.' or '_' then it's a hidden file.
-  return basename === "." || basename[0] !== ".";
+ * @param item
+ * @param loose
+ * @returns
+ */
+export const isHiddenPath = (item: string, loose: boolean = true) => {
+  const k = path.posix.normalize(item); // TODO: only unix path now
+  const k2 = k.split("/"); // TODO: only unix path now
+  // console.log(k2)
+  for (const singlePart of k2) {
+    if (singlePart === "." || singlePart === ".." || singlePart === "") {
+      continue;
+    }
+    if (singlePart[0] === ".") {
+      return true;
+    }
+    if (loose && singlePart[0] === "_") {
+      return true;
+    }
+  }
+  return false;
 };
 
 /**

tests/misc.test.ts

@@ -0,0 +1,40 @@
+import * as fs from "fs";
+import * as path from "path";
+import { expect } from "chai";
+
+import * as misc from '../src/misc'
+
+describe("Misc tests", () => {
+  it("should find hidden file correctly", () => {
+    let item = '';
+    expect(misc.isHiddenPath(item)).to.be.false;
+
+    item = '.'
+    expect(misc.isHiddenPath(item)).to.be.false;
+
+    item = '..'
+    expect(misc.isHiddenPath(item)).to.be.false;
+
+    item = '/x/y/z/../././../a/b/c'
+    expect(misc.isHiddenPath(item)).to.be.false;
+
+    item = '.hidden'
+    expect(misc.isHiddenPath(item)).to.be.true;
+
+    item = '_hidden_loose'
+    expect(misc.isHiddenPath(item)).to.be.true;
+    expect(misc.isHiddenPath(item, false)).to.be.false;
+
+    item = '/sdd/_hidden_loose'
+    expect(misc.isHiddenPath(item)).to.be.true;
+
+    item = 'what/../_hidden_loose/what/what/what'
+    expect(misc.isHiddenPath(item)).to.be.true;
+
+    item = 'what/../_hidden_loose/what/what/what'
+    expect(misc.isHiddenPath(item, false)).to.be.false;
+
+    item = 'what/../_hidden_loose/../.hidden/what/what/what'
+    expect(misc.isHiddenPath(item, false)).to.be.true;
+  });
+});