138 lines
3.7 KiB
HTML
138 lines
3.7 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<title>YAML Formatter & Validator</title>
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<style>
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body {
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font-family: sans-serif;
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padding: 1rem;
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}
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h1 {
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text-align: center;
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margin-bottom: 1rem;
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}
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.container {
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display: flex;
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gap: 1rem;
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width: 80%;
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margin: auto;
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}
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.pane {
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flex: 1;
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display: flex;
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flex-direction: column;
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}
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.pane label {
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font-weight: bold;
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margin-bottom: 0.25rem;
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}
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.pane textarea {
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flex: 1;
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width: 100%;
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padding: 0.5rem;
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font-family: monospace;
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font-size: 0.9rem;
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border: 1px solid #ccc;
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border-radius: 4px;
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resize: vertical;
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}
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.controls {
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margin-top: 0.5rem;
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display: flex;
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gap: 0.5rem;
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}
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.controls button {
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padding: 0.4rem 0.8rem;
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cursor: pointer;
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}
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.error {
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color: #c00;
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margin-top: 0.5rem;
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min-height: 1.2em;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<!-- Input pane -->
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<div class="pane">
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<label for="input-yaml">Input YAML</label>
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<textarea id="input-yaml" placeholder="Paste or type YAML here…"></textarea>
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</div>
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<!-- Output pane -->
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<div class="pane">
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<label for="output-yaml">Formatted YAML</label>
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<textarea id="output-yaml" readonly placeholder="Valid YAML will appear here…"></textarea>
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<div id="error-yaml" class="error"></div>
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<div class="controls">
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<button id="copy-yaml">Copy Formatted</button>
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<button id="clear-yaml">Clear All</button>
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</div>
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</div>
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</div>
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<!-- js-yaml from CDN -->
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<script src="https://cdn.jsdelivr.net/npm/js-yaml@4.1.0/dist/js-yaml.min.js"></script>
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<script>
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const inTA = document.getElementById('input-yaml');
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const outTA = document.getElementById('output-yaml');
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const errDiv = document.getElementById('error-yaml');
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const copyBtn = document.getElementById('copy-yaml');
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const clearBtn = document.getElementById('clear-yaml');
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function formatYAML() {
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const text = inTA.value.trim();
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if (!text) {
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outTA.value = '';
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errDiv.textContent = '';
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return;
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}
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try {
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// parse then dump with 2-space indent
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const obj = jsyaml.load(text);
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outTA.value = jsyaml.dump(obj, { indent: 2 });
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errDiv.textContent = '';
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} catch (e) {
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outTA.value = '';
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errDiv.textContent = '❌ ' + e.message;
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}
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}
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// Live update on input
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inTA.addEventListener('input', formatYAML);
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// Copy formatted YAML
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copyBtn.addEventListener('click', () => {
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if (!outTA.value) return;
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navigator.clipboard.writeText(outTA.value)
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.then(() => alert('Formatted YAML copied!'));
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});
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// Clear both panes
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clearBtn.addEventListener('click', () => {
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inTA.value = '';
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outTA.value = '';
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errDiv.textContent = '';
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inTA.focus();
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});
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// Initialize
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window.addEventListener('DOMContentLoaded', () => {
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clearBtn.click();
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});
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</script>
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</body>
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</html>
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