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/* ================================================================ Recipe Template — calculator.js 汎用レシピ計算機エンジンレシピ固有のロジックは設定オブジェクト(window.RT_RECIPE_CONFIG)に定義することで、新しいレシピでもこのエンジンを再利用できる ================================================================ */ (function() { 'use strict'; function init(rootEl) { var config = window.RT_RECIPE_CONFIG; if (!config) { console.warn('Recipe Template: window.RT_RECIPE_CONFIG が定義されていません'); return; } var state = {}; config.inputs.forEach(function(input) { state[input.id] = null; }); function setupButtons() { var buttons = rootEl.querySelectorAll('[data-rt-calc]'); for (var i = 0; i < buttons.length; i++) { (function(btn) { btn.addEventListener('click', function() { var param = btn.getAttribute('data-rt-calc'); var value = btn.getAttribute('data-rt-value'); var siblings = rootEl.querySelectorAll('[data-rt-calc="' + param + '"]'); for (var j = 0; j < siblings.length; j++) { siblings[j].classList.remove('rt-active'); } btn.classList.add('rt-active'); // Try numeric conversion if applicable var numVal = parseFloat(value); state[param] = (!isNaN(numVal) && String(numVal) === value) ? numVal : value; update(); }); })(buttons[i]); } var inputs = rootEl.querySelectorAll('[data-rt-input]'); for (var k = 0; k < inputs.length; k++) { (function(inp) { inp.addEventListener('input', function(e) { var param = inp.getAttribute('data-rt-input'); var v = parseFloat(e.target.value); state[param] = (v > 0) ? v : null; update(); }); })(inputs[k]); } } function isComplete() { for (var key in state) { if (state[key] === null || state[key] === undefined) return false; } return true; } function update() { var resultsEl = rootEl.querySelector('[data-rt-results]'); var summaryEl = rootEl.querySelector('[data-rt-summary]'); if (!resultsEl) return; if (!isComplete()) { resultsEl.classList.remove('rt-active'); if (summaryEl && config.placeholderText) { summaryEl.textContent = config.placeholderText; } return; } // Run the recipe-specific calculator function var output; try { output = config.calculate(state); } catch (e) { console.error('Recipe Template calculate error:', e); return; } // Apply outputs to DOM elements with [data-rt-output="key"] Object.keys(output).forEach(function(key) { var el = rootEl.querySelector('[data-rt-output="' + key + '"]'); if (!el) return; var val = output[key]; // Handle objects with { text, show } for conditional display if (val && typeof val === 'object' && 'text' in val) { el.textContent = val.text; el.style.display = val.show === false ? 'none' : ''; } else { el.textContent = val; } }); resultsEl.classList.add('rt-active'); } setupButtons(); } function bootstrap() { var roots = document.querySelectorAll('[data-rt-recipe-calc]'); for (var i = 0; i < roots.length; i++) { init(roots[i]); } } if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', bootstrap); } else { bootstrap(); } })();

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