ref: Add actual pass generator function

Modify `generate` function to actually generate usable.

3 files changed, 19 insertions, 8 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 662dda6..cfa078a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,7 +15,17 @@ extern {
 }
 
 #[wasm_bindgen]
-pub fn generate() -> String {
-    let num = rand::thread_rng().gen_range(0..100);
-    format!("{}", num)
+pub fn generate(len: usize) -> String {
+    const CHARSET: &[u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZ\
+                            abcdefghijklmnopqrstuvwxyz\
+                            1234567890\
+                            !@#$%^&*()+{}[]";
+    let mut rng = rand::thread_rng();
+
+    (0..len)
+        .map(|_| {
+            let idx = rng.gen_range(0..CHARSET.len());
+            CHARSET[idx] as char
+        })
+        .collect()
 }
diff --git a/www/index.html b/www/index.html
index 8007121..76d8c1c 100644
--- a/www/index.html
+++ b/www/index.html
@@ -12,7 +12,6 @@
         <h1 class="title">
             Password Generator
         </h1>
-        <label>This is a work in progress</label>
         <h2 class="subtitle" id="password">
             password
         </h2>
diff --git a/www/index.js b/www/index.js
index c9baaf8..e25ec3a 100644
--- a/www/index.js
+++ b/www/index.js
@@ -1,7 +1,9 @@
 import * as wasm from "genpass";
 
-function generatePassword() {
-    document.getElementById("password").innerHTML = wasm.generate();
-}
+const LEN = 32;
 
-document.getElementById("generate").onclick = generatePassword
+document.getElementById("password").innerHTML = wasm.generate(LEN);
+
+document.getElementById("generate").onclick = (function () {
+    document.getElementById("password").innerHTML = wasm.generate(LEN);
+});