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Modularize calculator into separate source files

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- Split 3470-line iframe.html into manageable components
- Created src/ directory with styles.css, template.html, calculator.js
- Updated build.js to assemble from modular source files
- Maintains identical functionality with improved maintainability
- Single source of truth: edit in src/, run build.js to generate both outputs
This commit is contained in:
Dayowe 2025-08-17 21:20:05 +02:00
parent 976e7d9136
commit ba3e0a6a6a
6 changed files with 3545 additions and 67 deletions
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148
build.js
View File

@ -1,46 +1,60 @@
#!/usr/bin/env node #!/usr/bin/env node
/** /**
* Dog Calculator Build System - PRODUCTION VERSION * Dog Calculator Build System - MODULAR VERSION
* *
* This FIXED build script generates iframe.html and dog-calculator-widget.js * This build script generates iframe.html and sundog-dog-food-calculator.js
* with EXACTLY the same functionality from iframe.html as the single source of truth. * from modular source files in the src/ directory.
*
* Source files:
* - src/styles.css - All CSS styles
* - src/template.html - HTML structure
* - src/calculator.js - JavaScript functionality
*
* Output files:
* - iframe.html - Standalone calculator page
* - sundog-dog-food-calculator.js - Embeddable widget
* *
* Usage: node build.js * Usage: node build.js
*
* ✅ WORKS CORRECTLY - Fixed the previous broken implementation
*/ */
const fs = require('fs'); const fs = require('fs');
const path = require('path'); const path = require('path');
console.log('🎯 Dog Calculator Build System - FIXED & WORKING'); console.log('🎯 Dog Calculator Build System - MODULAR VERSION');
console.log(''); console.log('');
/** /**
* Extract and parse components from the master iframe.html * Read modular components from src directory
*/ */
function parseIframeComponents() { function readSourceComponents() {
if (!fs.existsSync('iframe.html')) { const srcDir = 'src';
throw new Error('iframe.html not found - this is the master file that should exist');
// Check if src directory exists
if (!fs.existsSync(srcDir)) {
throw new Error('src directory not found - please ensure modular files exist');
} }
const content = fs.readFileSync('iframe.html', 'utf8'); // Read CSS
const cssPath = path.join(srcDir, 'styles.css');
if (!fs.existsSync(cssPath)) {
throw new Error('src/styles.css not found');
}
const css = fs.readFileSync(cssPath, 'utf8').trim();
// Extract CSS (everything between <style> and </style>) // Read HTML template
const cssMatch = content.match(/<style>([\s\S]*?)<\/style>/); const htmlPath = path.join(srcDir, 'template.html');
if (!cssMatch) throw new Error('Could not extract CSS from iframe.html'); if (!fs.existsSync(htmlPath)) {
const css = cssMatch[1].trim(); throw new Error('src/template.html not found');
}
const html = fs.readFileSync(htmlPath, 'utf8').trim();
// Extract HTML body (everything between <body> and <script>) // Read JavaScript
const htmlMatch = content.match(/<body>([\s\S]*?)<script>/); const jsPath = path.join(srcDir, 'calculator.js');
if (!htmlMatch) throw new Error('Could not extract HTML from iframe.html'); if (!fs.existsSync(jsPath)) {
const html = htmlMatch[1].trim(); throw new Error('src/calculator.js not found');
}
// Extract JavaScript (everything between <script> and </script>) const js = fs.readFileSync(jsPath, 'utf8').trim();
const jsMatch = content.match(/<script>([\s\S]*?)<\/script>/);
if (!jsMatch) throw new Error('Could not extract JavaScript from iframe.html');
const js = jsMatch[1].trim();
return { css, html, js }; return { css, html, js };
} }
@ -50,16 +64,19 @@ function parseIframeComponents() {
*/ */
function backupFiles() { function backupFiles() {
const timestamp = new Date().toISOString().replace(/[:.]/g, '-'); const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
const filesToBackup = ['iframe.html', 'sundog-dog-food-calculator.js'];
if (fs.existsSync('sundog-dog-food-calculator.js')) { filesToBackup.forEach(file => {
const backupName = `sundog-dog-food-calculator.js.backup-${timestamp}`; if (fs.existsSync(file)) {
fs.copyFileSync('sundog-dog-food-calculator.js', backupName); const backupName = `${file}.backup-${timestamp}`;
console.log(`📦 Backed up existing widget to: ${backupName}`); fs.copyFileSync(file, backupName);
console.log(`📦 Backed up ${file} to: ${backupName}`);
} }
});
} }
/** /**
* Generate iframe.html (regenerate from components for consistency) * Generate iframe.html from modular components
*/ */
function generateIframe(css, html, js) { function generateIframe(css, html, js) {
const content = `<!DOCTYPE html> const content = `<!DOCTYPE html>
@ -69,6 +86,9 @@ function generateIframe(css, html, js) {
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dog Calorie Calculator - Canine Nutrition and Wellness</title> <title>Dog Calorie Calculator - Canine Nutrition and Wellness</title>
<style> <style>
/* Sundog Dog Food Calorie Calculator Styles */
/* CSS Variables for theming */
${css} ${css}
</style> </style>
</head> </head>
@ -80,30 +100,14 @@ function generateIframe(css, html, js) {
</body> </body>
</html>`; </html>`;
// Since iframe.html is our source, we don't overwrite it
// This function is here for consistency and testing
return content; return content;
} }
/** /**
* No transformation needed - keep original class names for consistency * Create production-ready widget JavaScript
*/
function transformCSSForWidget(css) {
return css;
}
/**
* No transformation needed - keep original class names for consistency
*/
function transformHTMLForWidget(html) {
return html;
}
/**
* Create production-ready widget JavaScript that uses the ACTUAL extracted JS from iframe.html
*/ */
function createWidgetJS(css, html, js) { function createWidgetJS(css, html, js) {
// Transform the extracted JavaScript from iframe.html to work as a widget // Transform the JavaScript from calculator.js to work as a widget
// Replace the iframe's DOMContentLoaded listener with widget initialization // Replace the iframe's DOMContentLoaded listener with widget initialization
let transformedJS = js let transformedJS = js
@ -175,12 +179,18 @@ function createWidgetJS(css, html, js) {
} }
}$2`); }$2`);
// Add CSS variables to widget CSS
const widgetCSS = `/* Sundog Dog Food Calorie Calculator Styles */
/* CSS Variables for theming */
${css}`;
const widgetCode = `/** const widgetCode = `/**
* Dog Calorie Calculator Widget * Dog Calorie Calculator Widget
* Embeddable JavaScript widget for websites * Embeddable JavaScript widget for websites
* *
* THIS CODE IS AUTO-GENERATED FROM iframe.html - DO NOT EDIT MANUALLY * THIS CODE IS AUTO-GENERATED FROM src/ FILES - DO NOT EDIT MANUALLY
* Edit iframe.html and run 'node build.js' to update this file * Edit files in src/ directory and run 'node build.js' to update
* *
* Usage: * Usage:
* <script src="sundog-dog-food-calculator.js"></script> * <script src="sundog-dog-food-calculator.js"></script>
@ -197,7 +207,7 @@ function createWidgetJS(css, html, js) {
'use strict'; 'use strict';
// Inject widget styles // Inject widget styles
const CSS_STYLES = \`${css}\`; const CSS_STYLES = \`${widgetCSS}\`;
function injectStyles() { function injectStyles() {
if (document.getElementById('dog-calculator-styles')) return; if (document.getElementById('dog-calculator-styles')) return;
@ -208,7 +218,7 @@ function createWidgetJS(css, html, js) {
document.head.appendChild(style); document.head.appendChild(style);
} }
// ACTUAL JavaScript from iframe.html (transformed for widget use) // JavaScript from src/calculator.js (transformed for widget use)
${transformedJS} ${transformedJS}
// Auto-initialize widgets on page load // Auto-initialize widgets on page load
@ -249,13 +259,25 @@ function createWidgetJS(css, html, js) {
*/ */
function build() { function build() {
try { try {
console.log('📖 Reading components from iframe.html (master source)...'); console.log('📖 Reading modular components from src/ directory...');
const { css, html, js } = parseIframeComponents(); const { css, html, js } = readSourceComponents();
console.log(' ✅ src/styles.css (' + css.split('\n').length + ' lines)');
console.log(' ✅ src/template.html (' + html.split('\n').length + ' lines)');
console.log(' ✅ src/calculator.js (' + js.split('\n').length + ' lines)');
console.log('');
console.log('📦 Backing up existing files...'); console.log('📦 Backing up existing files...');
backupFiles(); backupFiles();
console.log('🏗️ Generating sundog-dog-food-calculator.js...'); console.log('');
console.log('🏗️ Building output files...');
// Generate iframe.html
const iframeContent = generateIframe(css, html, js);
fs.writeFileSync('iframe.html', iframeContent);
console.log(' ✅ Generated iframe.html');
// Generate widget
const widgetCode = createWidgetJS(css, html, js); const widgetCode = createWidgetJS(css, html, js);
fs.writeFileSync('sundog-dog-food-calculator.js', widgetCode); fs.writeFileSync('sundog-dog-food-calculator.js', widgetCode);
console.log(' ✅ Generated sundog-dog-food-calculator.js'); console.log(' ✅ Generated sundog-dog-food-calculator.js');
@ -264,22 +286,30 @@ function build() {
console.log('🎉 Build completed successfully!'); console.log('🎉 Build completed successfully!');
console.log(''); console.log('');
console.log('📋 Summary:'); console.log('📋 Summary:');
console.log(' ✅ iframe.html - Master source (no changes needed)'); console.log(' Source files (easy to edit):');
console.log(' ✅ sundog-dog-food-calculator.js - Generated with identical functionality'); console.log(' • src/styles.css - All styles and theming');
console.log(' • src/template.html - HTML structure');
console.log(' • src/calculator.js - JavaScript logic');
console.log('');
console.log(' Generated files:');
console.log(' • iframe.html - Standalone calculator');
console.log(' • sundog-dog-food-calculator.js - Embeddable widget');
console.log(''); console.log('');
console.log('🔄 Your new workflow:'); console.log('🔄 Your new workflow:');
console.log(' 1. Edit iframe.html for any changes (calculations, design, layout)'); console.log(' 1. Edit files in src/ directory');
console.log(' 2. Run: node build.js'); console.log(' 2. Run: node build.js');
console.log(' 3. Both files now have the same functionality!'); console.log(' 3. Both output files are regenerated!');
console.log(''); console.log('');
console.log('💡 No more maintaining two separate files!'); console.log('💡 Now you can easily read and edit each part separately!');
} catch (error) { } catch (error) {
console.error('❌ Build failed:', error.message); console.error('❌ Build failed:', error.message);
console.error(error.stack);
process.exit(1); process.exit(1);
} }
} }
// Run build if called directly
if (require.main === module) { if (require.main === module) {
build(); build();
} }

3
iframe.html
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@ -2022,9 +2022,6 @@
</div> </div>
</div> </div>
</div> </div>
<script> <script>
/** /**
* Dog Calorie Calculator - iframe version * Dog Calorie Calculator - iframe version

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src/calculator.js Normal file
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src/styles.css Normal file
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189
src/template.html Normal file
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@ -0,0 +1,189 @@
<div class="dog-calculator-container" id="dogCalculator">
<div class="dog-calculator-section">
<div class="dog-calculator-section-header">
<h2>Dog's Characteristics</h2>
<div class="dog-calculator-unit-switch">
<span class="dog-calculator-unit-label active" id="metricLabel">Metric</span>
<label class="dog-calculator-switch">
<input type="checkbox" id="unitToggle">
<span class="dog-calculator-slider"></span>
</label>
<span class="dog-calculator-unit-label" id="imperialLabel">Imperial</span>
</div>
</div>
<div class="dog-calculator-form-group">
<label for="dogType">Dog Type / Activity Level:</label>
<select id="dogType" aria-describedby="dogTypeHelp">
<option value="">Select dog type...</option>
<option value="3.0">Puppy (0-4 months)</option>
<option value="2.0">Puppy (4 months - adult)</option>
<option value="1.2">Adult - inactive/obese</option>
<option value="1.6">Adult (neutered/spayed) - average activity</option>
<option value="1.8">Adult (intact) - average activity</option>
<option value="1.0">Adult - weight loss</option>
<option value="1.7">Adult - weight gain</option>
<option value="2.0">Working dog - light work</option>
<option value="3.0">Working dog - moderate work</option>
<option value="5.0">Working dog - heavy work</option>
<option value="1.1">Senior dog</option>
</select>
</div>
<div class="dog-calculator-form-group">
<label for="weight" id="weightLabel">Dog's Weight (kg):</label>
<input type="number" id="weight" min="0.1" step="0.1" placeholder="Enter weight in kg" aria-describedby="weightHelp">
<div id="weightError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid weight (minimum 0.1 kg)</div>
</div>
<div class="dog-calculator-results" id="calorieResults" style="display: none;">
<div class="dog-calculator-result-item">
<span class="dog-calculator-result-label">Resting Energy Requirement (RER):</span>
<span class="dog-calculator-result-value" id="rerValue">- cal/day</span>
</div>
<div class="dog-calculator-result-item">
<span class="dog-calculator-result-label">Maintenance Energy Requirement (MER):</span>
<span class="dog-calculator-result-value" id="merValue">- cal/day</span>
</div>
</div>
</div>
<div class="dog-calculator-collapsible active" id="foodCalculator">
<div class="dog-calculator-collapsible-header">
<h3>How much should I feed?</h3>
</div>
<div class="dog-calculator-collapsible-content">
<div class="dog-calculator-collapsible-inner">
<!-- Food Sources Container -->
<div class="dog-calculator-food-sources" id="foodSources">
<!-- Initial food source will be added by JavaScript -->
</div>
<!-- Add Food Source Button -->
<button class="dog-calculator-add-food-btn" id="addFoodBtn" type="button">
<span>+</span>
<span>Add another food source</span>
</button>
<!-- Per-Food Results -->
<div class="dog-calculator-food-results" id="foodBreakdownResults" style="display: none;">
<div id="foodBreakdownList">
<!-- Individual food breakdowns will be populated by JavaScript -->
</div>
</div>
<!-- Unit Selection Buttons -->
<div class="dog-calculator-unit-buttons" id="unitButtons" style="display: none;">
<button type="button" class="dog-calculator-unit-btn active" data-unit="g">g</button>
<button type="button" class="dog-calculator-unit-btn" data-unit="kg">kg</button>
<button type="button" class="dog-calculator-unit-btn" data-unit="oz">oz</button>
<button type="button" class="dog-calculator-unit-btn" data-unit="lb">lb</button>
</div>
<!-- Daily Total Results -->
<div class="dog-calculator-results" id="dailyFoodResults" style="display: none;">
<div class="dog-calculator-result-item">
<span class="dog-calculator-result-label">Total Daily Amount:</span>
<span class="dog-calculator-result-value" id="dailyFoodValue">- g/day</span>
</div>
</div>
<!-- Hidden select for compatibility -->
<select id="unit" class="dog-calculator-unit-select-hidden" aria-describedby="unitHelp">
<option value="g">grams (g)</option>
<option value="kg">kilograms (kg)</option>
<option value="oz">ounces (oz)</option>
<option value="lb">pounds (lb)</option>
</select>
<div class="dog-calculator-food-amounts-section" id="foodAmountsSection" style="display: none;">
<h4 class="dog-calculator-section-title">
Calculate amounts for
<input type="number" id="days" min="1" step="1" value="1" placeholder="1" aria-describedby="daysHelp" class="dog-calculator-inline-days">
<span id="dayLabel">day</span>:
</h4>
<div id="daysError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid number of days (minimum 1)</div>
<div id="foodAmountsList" class="dog-calculator-food-amounts-list">
<!-- Individual food amounts will be populated here -->
</div>
<div class="dog-calculator-total-row" id="totalAmountRow">
<span class="dog-calculator-total-label">Total Amount:</span>
<span class="dog-calculator-total-value" id="totalAmountDisplay"></span>
</div>
</div>
</div>
</div>
</div>
<div class="dog-calculator-action-buttons">
<button class="dog-calculator-btn dog-calculator-btn-share" id="shareBtn">
Share
</button>
<button class="dog-calculator-btn dog-calculator-btn-embed" id="embedBtn">
Embed
</button>
</div>
<div class="dog-calculator-footer">
<a href="https://caninenutritionandwellness.com" target="_blank" rel="noopener noreferrer">
by caninenutritionandwellness.com
</a>
</div>
<!-- Share Modal -->
<div id="shareModal" class="dog-calculator-modal" style="display: none;">
<div class="dog-calculator-modal-content">
<span class="dog-calculator-modal-close" id="shareModalClose">&times;</span>
<h3>Share Calculator</h3>
<div class="dog-calculator-share-buttons">
<button class="dog-calculator-share-btn dog-calculator-share-facebook plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-facebook" id="shareFacebook">
Facebook
</button>
<button class="dog-calculator-share-btn dog-calculator-share-twitter plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-twitter" id="shareTwitter">
Twitter
</button>
<button class="dog-calculator-share-btn dog-calculator-share-linkedin plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-linkedin" id="shareLinkedIn">
LinkedIn
</button>
<button class="dog-calculator-share-btn dog-calculator-share-email plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-email" id="shareEmail">
Email
</button>
<button class="dog-calculator-share-btn dog-calculator-share-copy plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-copy-link" id="shareCopy">
Copy Link
</button>
</div>
<div class="dog-calculator-share-url">
<input type="text" id="shareUrl" readonly>
</div>
</div>
</div>
<!-- Embed Modal -->
<div id="embedModal" class="dog-calculator-modal" style="display: none;">
<div class="dog-calculator-modal-content dog-calculator-modal-embed">
<span class="dog-calculator-modal-close" id="embedModalClose">&times;</span>
<h3>⚡ Embed the Calculator</h3>
<div class="dog-calculator-embed-options">
<div class="dog-calculator-embed-option">
<h4>⚡ JavaScript Widget</h4>
<div class="dog-calculator-code-container">
<pre><code id="widgetCode"></code></pre>
<button class="dog-calculator-copy-btn plausible-event-name=Calculator+Usage plausible-event-action=calculator-embed-js" id="copyWidget">
Copy
</button>
</div>
</div>
<div class="dog-calculator-embed-option">
<h4>🛡️ iframe Embed</h4>
<div class="dog-calculator-code-container">
<pre><code id="iframeCode"></code></pre>
<button class="dog-calculator-copy-btn plausible-event-name=Calculator+Usage plausible-event-action=calculator-embed-iframe" id="copyIframe">
Copy
</button>
</div>
</div>
</div>
</div>
</div>
</div>

6
sundog-dog-food-calculator.js
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@ -2,8 +2,8 @@
* Dog Calorie Calculator Widget * Dog Calorie Calculator Widget
* Embeddable JavaScript widget for websites * Embeddable JavaScript widget for websites
* *
* THIS CODE IS AUTO-GENERATED FROM iframe.html - DO NOT EDIT MANUALLY * THIS CODE IS AUTO-GENERATED FROM src/ FILES - DO NOT EDIT MANUALLY
* Edit iframe.html and run 'node build.js' to update this file * Edit files in src/ directory and run 'node build.js' to update
* *
* Usage: * Usage:
* <script src="sundog-dog-food-calculator.js"></script> * <script src="sundog-dog-food-calculator.js"></script>
@ -1855,7 +1855,7 @@
document.head.appendChild(style); document.head.appendChild(style);
} }
// ACTUAL JavaScript from iframe.html (transformed for widget use) // JavaScript from src/calculator.js (transformed for widget use)
/** /**
* Dog Calorie Calculator - iframe version * Dog Calorie Calculator - iframe version
* by Canine Nutrition and Wellness * by Canine Nutrition and Wellness