fix: make socket location dynamic for Gitpod

.freeCodeCamp/output/index.js

@@ -1,5 +1,9 @@
 // Create WebSocket connection.
-const socket = new WebSocket("ws://localhost:8080");
+const socket = new WebSocket(
+  `${window.location.protocol.includes("https") ? "wss" : "ws"}://${
+    window.location.host
+  }`
+);
 
 const handle = {
   "toggle-loader-animation": toggleLoaderAnimation,

README.md

@@ -16,3 +16,11 @@ You can write all the functions within one file, and follow the pattern given fo
 
 1. `Ctrl + Shift + P` and `freeCodeCamp: Run Course`
 2. `npm run build` to compile the Rust code, before each test.
+
+## WASM Specific
+
+- Numbers in JS are only `i32` or `f32`
+
+## Notes
+
+- It can take a few minutes to install all the dependencies/tools, on first start. The terminal will tell you its progress.

src/lib.rs

@@ -1,38 +1,15 @@
 use wasm_bindgen::prelude::*;
 
-// Rust uses snake_case, but JS uses camelCase
-#[wasm_bindgen(js_name = multiplesOf3and5)]
-pub fn multiples_of_3_and_5(n: i32) -> i32 {
-    let mut t = 0;
-    for i in 0..n {
-        if i % 3 == 0 || i % 5 == 0 {
-            t += i;
-        }
-    }
-    t
-}
-
-#[wasm_bindgen(js_name = fiboEvenSum)]
-pub fn fibo_even_sum(n: i32) -> i32 {
-    if n <= 1 {
-        return 0;
-    } else {
-        let mut even_sum = 0;
-        let mut prev_fib_num = 1;
-        let mut fib_num = 2;
-        while fib_num <= n {
-            if fib_num % 2 == 0 {
-                even_sum += fib_num;
-            }
-            let temp = fib_num.clone();
-            fib_num = prev_fib_num + fib_num;
-            prev_fib_num = temp;
-        }
-        return even_sum;
-    }
+// Example format to write functions:
+#[wasm_bindgen(js_name = camelCaseName)] // js_name must equal function name tested on client
+pub fn snake_case_name(num: i32) -> i32 { // Function must be public
+    // All numbers in JS are 32-bit
+    num
 }
 
-#[wasm_bindgen(js_name = largestPrimeFactor)]
-pub fn largest_prime_factor(n: i32) -> i32 {
+// First function written for you - you still need to add the logic :)
+#[wasm_bindgen(js_name = multiplesOf3and5)]
+pub fn multiples_of_3_and_5(n: i32) -> i32 {
     n
 }
+