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340e7d4b16
* Fix #472: Add Emscripten/WebAssembly build for browser-based ChaiScript Port Rob Loach's ChaiScript.js work (https://github.com/RobLoach/ChaiScript.js) into the main repository as an Emscripten build target. Adds a GitHub Actions workflow that builds ChaiScript to WebAssembly and publishes artifacts (JS, WASM, HTML) for embedding in the official ChaiScript.com website. Includes an HTML interactive playground frontend and a native test validating the eval API surface. Co-Authored-By: Rob Loach <robloach@gmail.com> Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * Address review: publish WASM assets as release under wasm-latest tag Add a publish job to the emscripten workflow that creates a prerelease tagged wasm-latest with chaiscript.js, chaiscript.wasm, and chaiscript.html as downloadable assets. Runs only on pushes to the develop branch. The website repo can fetch these via the public GitHub Releases API on a daily cron without any cross-repo auth. Requested by @lefticus in PR #662 review. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> --------- Co-authored-by: leftibot <leftibot@users.noreply.github.com> Co-authored-by: Rob Loach <robloach@gmail.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
238 lines
5.9 KiB
HTML
238 lines
5.9 KiB
HTML
<!doctype html>
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<!--
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ChaiScript Emscripten Frontend
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Based on work by Rob Loach: https://github.com/RobLoach/ChaiScript.js
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Copyright 2019, Rob Loach
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Copyright 2009-2018, Jason Turner
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Licensed under the BSD License. See "license.txt" for details.
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-->
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>ChaiScript</title>
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<style>
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* { box-sizing: border-box; margin: 0; padding: 0; }
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body {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
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background: #1a1a2e;
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color: #e0e0e0;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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}
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header {
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background: #16213e;
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padding: 1rem 2rem;
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border-bottom: 2px solid #0f3460;
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display: flex;
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align-items: center;
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gap: 1rem;
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}
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header h1 {
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font-size: 1.5rem;
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color: #e94560;
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font-weight: 700;
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}
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header span {
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font-size: 0.85rem;
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color: #888;
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}
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#status {
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margin-left: auto;
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font-size: 0.85rem;
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padding: 0.3rem 0.8rem;
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border-radius: 4px;
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background: #0f3460;
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}
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#status.ready { color: #4ecca3; }
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#status.loading { color: #e9c46a; }
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#status.error { color: #e94560; }
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main {
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flex: 1;
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display: flex;
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gap: 0;
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}
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.panel {
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flex: 1;
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display: flex;
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flex-direction: column;
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min-width: 0;
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}
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.panel-header {
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background: #16213e;
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padding: 0.5rem 1rem;
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font-size: 0.8rem;
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text-transform: uppercase;
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letter-spacing: 0.1em;
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color: #888;
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border-bottom: 1px solid #0f3460;
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}
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#input {
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flex: 1;
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background: #0d1117;
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color: #c9d1d9;
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border: none;
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padding: 1rem;
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font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
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font-size: 0.9rem;
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line-height: 1.6;
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resize: none;
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outline: none;
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tab-size: 2;
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}
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.divider {
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width: 2px;
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background: #0f3460;
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}
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#output {
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flex: 1;
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background: #0d1117;
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padding: 1rem;
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font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
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font-size: 0.9rem;
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line-height: 1.6;
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overflow-y: auto;
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white-space: pre-wrap;
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word-break: break-all;
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}
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.output-line { color: #c9d1d9; }
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.output-error { color: #e94560; }
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footer {
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background: #16213e;
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padding: 0.5rem 1rem;
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display: flex;
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gap: 0.5rem;
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align-items: center;
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border-top: 2px solid #0f3460;
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}
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button {
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background: #e94560;
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color: #fff;
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border: none;
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padding: 0.4rem 1.2rem;
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border-radius: 4px;
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cursor: pointer;
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font-size: 0.85rem;
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font-weight: 600;
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}
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button:hover { background: #c73652; }
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button:disabled { background: #555; cursor: not-allowed; }
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#btn-clear {
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background: #0f3460;
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}
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#btn-clear:hover { background: #1a4a8a; }
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.hint {
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margin-left: auto;
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font-size: 0.75rem;
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color: #555;
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}
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</style>
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</head>
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<body>
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<header>
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<h1>ChaiScript</h1>
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<span>Interactive Playground</span>
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<div id="status" class="loading">Loading...</div>
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</header>
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<main>
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<div class="panel">
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<div class="panel-header">Input</div>
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<textarea id="input" spellcheck="false">// Welcome to ChaiScript!
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// Write your code here and click Run (or press Ctrl+Enter).
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def greet(name) {
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return "Hello, " + name + "!"
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}
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print(greet("World"))
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print(greet("ChaiScript"))
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// Math example
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def factorial(n) {
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if (n <= 1) { return 1 }
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return n * factorial(n - 1)
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}
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print("5! = " + to_string(factorial(5)))
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print("10! = " + to_string(factorial(10)))
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</textarea>
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</div>
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<div class="divider"></div>
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<div class="panel">
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<div class="panel-header">Output</div>
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<div id="output"></div>
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</div>
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</main>
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<footer>
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<button id="btn-run" disabled>Run</button>
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<button id="btn-clear">Clear</button>
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<span class="hint">Ctrl+Enter to run</span>
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</footer>
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<script>
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var outputEl = document.getElementById('output');
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var inputEl = document.getElementById('input');
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var btnRun = document.getElementById('btn-run');
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var btnClear = document.getElementById('btn-clear');
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var statusEl = document.getElementById('status');
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function appendOutput(text, className) {
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var line = document.createElement('div');
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line.className = className || 'output-line';
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line.textContent = text;
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outputEl.appendChild(line);
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outputEl.scrollTop = outputEl.scrollHeight;
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}
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var Module = {
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print: function(text) {
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appendOutput(text);
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},
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printErr: function(text) {
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appendOutput(text, 'output-error');
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},
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onRuntimeInitialized: function() {
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statusEl.textContent = 'Ready';
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statusEl.className = 'ready';
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btnRun.disabled = false;
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}
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};
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function runCode() {
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var code = inputEl.value;
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if (!code.trim()) return;
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appendOutput('> Running...', 'output-line');
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try {
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Module.eval(code);
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} catch (e) {
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appendOutput('Error: ' + e.message, 'output-error');
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}
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appendOutput('', 'output-line');
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}
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btnRun.addEventListener('click', runCode);
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btnClear.addEventListener('click', function() {
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outputEl.innerHTML = '';
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});
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inputEl.addEventListener('keydown', function(e) {
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if (e.ctrlKey && e.key === 'Enter') {
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e.preventDefault();
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runCode();
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}
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// Tab key inserts spaces
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if (e.key === 'Tab') {
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e.preventDefault();
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var start = this.selectionStart;
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var end = this.selectionEnd;
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this.value = this.value.substring(0, start) + ' ' + this.value.substring(end);
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this.selectionStart = this.selectionEnd = start + 2;
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}
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});
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</script>
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<script src="chaiscript.js"></script>
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</body>
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</html>
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