import part from 2 strings problem

Author: ChauDinh

LeetCode/ImportPath/index.js

@@ -0,0 +1,58 @@
+/**
+ * Problem: Code a function that takes 2 paths, example:
+ * src/route/home.js
+ * src/utils/helper.js
+ * Then outputs a string of how the first file would import the second one
+ * import helper from "../utils/helper"
+ */
+
+/**
+ * first = ....
+ * second = ....
+ * first.split("/"); => ["src", "route", "home.js"]
+ * second.split("/"); => ["src", "utils", "helper.js"]
+ *
+ *
+ */
+
+/**
+ *
+ */
+
+module.exports = importPath = (str1, str2) => {
+  if (str1.length === 0 || str2.length === 0) {
+    return null;
+  }
+
+  const str1Splited = str1.split("/");
+  const str2Splited = str2.split("/");
+  let amountOfRoutesToRemove = 0;
+
+  for (index in str2Splited) {
+    let currEl = str2Splited[index];
+    if (currEl === str1Splited[index]) {
+      amountOfRoutesToRemove++;
+    } else {
+      str1Splited.splice(0, amountOfRoutesToRemove);
+      str2Splited.splice(0, amountOfRoutesToRemove);
+      break;
+    }
+  }
+
+  let finalLocation = "";
+  if (str1Splited.length === 1) {
+    finalLocation = "./";
+  } else {
+    finalLocation = `${finalLocation}../`;
+  }
+
+  for (let i = 0; i < str2Splited.length - 1; i++) {
+    finalLocation = `${finalLocation}${str2Splited[i]}/${
+      str2Splited[str2Splited.length - 1]
+    }`;
+  }
+
+  return finalLocation;
+};
+
+console.log(importPath("src/route/app/home.js", "src/route/utils/helpers.js"));

LeetCode/ImportPath/index.spec.js

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+const importPath = require("./index");
+
+describe("tets for import path problem", () => {
+  it("return the import path from str1 to str2", () => {
+    let expected = "../utils/helpers.js";
+    let actual = importPath(
+      "src/route/app/home.js",
+      "src/route/utils/helpers.js"
+    );
+    expect(actual).toEqual(expected);
+  });
+});