Make it so there can be multiple parts

days/1/code.wat

@@ -7,7 +7,7 @@
 
   (global $currentMaxCals (mut i32) (i32.const 0))
 
-  (func (export "run") (result i32)
+  (func (export "part1") (result i32)
     (local $currentElf i32)
     ;; Read nput length
     i32.const 0

index.html

@@ -22,8 +22,11 @@
       <p>input:</p>
       <textarea class="input"></textarea>
 
-      <p>output:</p>
-      <textarea disabled readonly class="output"></textarea>
+      <p>output (part 1):</p>
+      <textarea disabled readonly class="output1"></textarea>
+      
+      <p>output (part 2):</p>
+      <textarea disabled readonly class="output2"></textarea>
       <button>Run</button>
     </div>
 

resources/loader.js

@@ -5,7 +5,8 @@ const textDecoder = new TextDecoder()
 const daySelector = document.querySelector('.selector select')
 const output = document.querySelector('.output')
 const inputTextArea = document.querySelector('.ui textarea.input')
-const outputTextArea = document.querySelector('.ui textarea.output')
+const outputTextArea1 = document.querySelector('.ui textarea.output1')
+const outputTextArea2 = document.querySelector('.ui textarea.output2')
 const runButton = document.querySelector('.ui button')
 
 async function getDayList() {
@@ -72,11 +73,11 @@ async function loadDay(dayNum) {
   output.innerText = 'Loaded day ' + dayNum
 }
 
-function runLoaded() {
-  const { run, memory } = wasmInstance.exports;
+function runLoaded(funcName, inputTextField, outputTextField) {
+  const { memory } = wasmInstance.exports;
   const wasmBuffer = memory.buffer;
 
-  const inputBuffer = textEncoder.encode(inputTextArea.value)
+  const inputBuffer = textEncoder.encode(inputTextField.value)
 
   // Set length and file contents
   const inputLength = inputBuffer.length
@@ -88,8 +89,8 @@ function runLoaded() {
   inputSmallArray.set(fileInputNums, 4)
 
   // run the wasm
-  outputTextArea.value = ""
-  const outputLocation = run()
+  outputTextField.value = ""
+  const outputLocation = wasmInstance.exports[funcName]()
 
   // Read the output
   const outputBuffer = wasmBuffer.slice(outputLocation)
@@ -99,12 +100,13 @@ function runLoaded() {
   const outputLength = outputLargeArray[0]
   const outputBytes = outputSmallArray.slice(4, 4 + outputLength)
   const outputText = textDecoder.decode(outputBytes)
-  outputTextArea.value = outputText
+  outputTextField.value = outputText
 }
 
 daySelector.value = ""
 inputTextArea.value = ""
-outputTextArea.value = ""
+outputTextArea1.value = ""
+outputTextArea2.value = ""
 
 getDayList().then(() => {
   daySelector.addEventListener('change', ev => {
@@ -114,5 +116,6 @@ getDayList().then(() => {
 
 
 runButton.addEventListener('click', ev => {
-  runLoaded()
+  runLoaded('part1', inputTextArea, outputTextArea1)
+  runLoaded('part2', inputTextArea, outputTextArea2)
 })