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.eleventy.js
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.eleventy.js
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const path = require('path');
const fs = require('fs');
const markdownIt = require('markdown-it');
const mfrData = require('./progdata/manufacturers.json');
const categoriesData = require('./progdata/categories.json');
const departmentsData = require('./progdata/departments.json');
const publishers = require('./progdata/publishers.json');
const slugify = require('slugify');
const { config } = require('process');
const { parse } = require('path');
const basePath = '';
const buildDest = process.env.ELEVENTY_DEST;
module.exports = function (eleventyConfig) {
const md = new markdownIt({ html: true });
eleventyConfig.addPassthroughCopy('src/js');
eleventyConfig.addPassthroughCopy('src/css');
eleventyConfig.addPassthroughCopy('src/_data/*.idx');
eleventyConfig.addPassthroughCopy('src/sw.js');
eleventyConfig.addPassthroughCopy('src/img');
eleventyConfig.addPassthroughCopy('src/audio');
eleventyConfig.setQuietMode(true);
eleventyConfig.addWatchTarget('./src/scss');
//-------------------------------------------------------------
// Use local 404 page
//-------------------------------------------------------------
eleventyConfig.setBrowserSyncConfig({
callbacks: {
ready: function (err, bs) {
bs.addMiddleware('*', (req, res) => {
const content_404 = fs.readFileSync('build/404.html');
// Add 404 http status code in request header.
res.writeHead(404, { 'Content-Type': 'text/html; charset=UTF-8' });
// Provides the 404 content without redirect.
res.write(content_404);
res.end();
});
},
},
});
//-------------------------------------------------------------
// Create the cost label with the appropriate units
//-------------------------------------------------------------
eleventyConfig.addFilter('costLabel', (cost) => {
let value = '';
let unitLabel = 'Cr';
let modValue = cost;
if (cost > 999999999999) {
modValue = cost / 10 ** 12;
unitLabel = `TCr`;
} else if (cost > 999999999) {
modValue = cost / 10 ** 9;
unitLabel = `BCr`;
} else if (cost > 999999) {
modValue = cost / 10 ** 6;
unitLabel = `MCr`;
} else if (cost > 999) {
modValue = cost / 10 ** 3;
unitLabel = `KCr`;
} else {
unitLabel = `Cr`;
}
displayValue = modValue - Math.floor(modValue) !== 0 ? modValue.toFixed(3) : Math.trunc(modValue);
return `${displayValue} ${unitLabel}`;
});
//-------------------------------------------------------------
// Add custom product collections
//-------------------------------------------------------------
let basedir = path.join('src', '_data', 'products');
// gather list of product directories
let prodDirectories = fs.readdirSync(basedir);
prodDirectories.forEach((category) => {
eleventyConfig.addCollection(category, (collectionApi) => {
let files = fs.readdirSync(path.join(basedir, category)).filter((file) => path.extname(file) === '.json');
let products = files.flatMap((file) => JSON.parse(fs.readFileSync(path.join(basedir, category, file))));
products.sort((a, b) => a.name.localeCompare(b.name));
return products;
});
});
//-------------------------------------------------------------
// Add category rollup collections
//-------------------------------------------------------------
// collect rollups (categories with departments)
let rollups = categoriesData.filter((category) => category.departments.length > 0);
rollups.forEach((category) => {
let categoryLabel = slugify(category.label, { lower: true, strict: true });
// build the products array
let products = [];
category.departments.forEach((dept) => {
let deptDataDir = departmentsData.find((obj) => obj.id === dept).datadir;
let files = fs.readdirSync(deptDataDir).filter((file) => path.extname(file) === '.json');
let prodArray = files
.flatMap((file) => JSON.parse(fs.readFileSync(path.join(deptDataDir, file))), products)
.filter((prod) => !prod.sku.match(/-00000$/g)); // filter out empty collections
if (prodArray.length > 0) {
products = products.concat(prodArray);
}
});
eleventyConfig.addCollection(categoryLabel, (addCollectionApi) =>
products.sort((a, b) => a.name.localeCompare(b.name))
);
});
//-------------------------------------------------------------
// Convert numeric tech level to alphabetic character
//-------------------------------------------------------------
eleventyConfig.addFilter('convertTL', (techLevel) => {
const TL = '0123456789ABCDEFGHJKLMNPQRSTUVWXYZ';
return TL[techLevel];
});
//-------------------------------------------------------------
// Render the incoming content Markdown fragment as HTML
//-------------------------------------------------------------
eleventyConfig.addFilter('markdown', (content) => {
let text = md.render(content);
return text;
});
//-------------------------------------------------------------
// create shortcode to extract summary
//-------------------------------------------------------------
eleventyConfig.addShortcode('summary', (article) => extractSummary(article));
//-------------------------------------------------------------
// Get the categories
//-------------------------------------------------------------
eleventyConfig.addShortcode('getCategories', function () {
let text = '<div><ul>';
categoriesData.forEach((item) => {
text += `<li>${item.label}</li>`;
});
text += '</ul></div>';
return text;
});
//-------------------------------------------------------------
// Get the manufacturer name
//-------------------------------------------------------------
eleventyConfig.addShortcode('getMfr', function (mfrId) {
const mfr = mfrData.find((obj) => obj.mfrId === mfrId);
let res = 'N/A';
if (mfr !== undefined) {
res = `<a href="${mfr.url}" target="_blank">${mfr.name}</a>`;
}
return res;
});
//-------------------------------------------------------------
// Get Accessory
//-------------------------------------------------------------
eleventyConfig.addShortcode('getAccessory', function (sku) {
let product = getProduct(sku);
// get the department
// let key = sku.slice(0, 7);
// get the name of the data file
// let deptObj = departmentsData.find((dept) => (dept.id === key ? dept : null));
let text = `<p>No accessories available</p>`;
// let prodFileName = path.join(__dirname, deptObj.datadir, `${sku}.json`);
// let product = JSON.parse(fs.readFileSync(prodFileName));
if (product !== undefined && product !== null) {
let imgURL =
product.image === '' || product.image === null
? `${basePath}/img/products/no-image.png`
: `${basePath}/img/products/${sku}.png`;
text = `
<div class="row accessory-row">
<div class="">
<a href="/products/${sku}">
<img src="${imgURL}" alt="${product.name}">
</a>
</div>
<div>
<a href="/products/${sku}">${product.name}</a>
</div>
</div>
`;
}
return text;
});
//-------------------------------------------------------------
// build stats table body
//-------------------------------------------------------------
eleventyConfig.addShortcode('buildStatsBody', (stats) => {
let text = ' <tbody>';
let rows = parseInt(stats.length / 2) + (stats.length % 2);
for (let ctr = 0; ctr < rows; ctr++) {
text += `
<tr>
<td>${stats[ctr].label}:</td><td>${stats[ctr].value}</td>`;
if (stats[ctr + rows] !== null && stats[ctr + rows] !== undefined) {
text += `<td>${stats[ctr + rows].label}:</td><td>${stats[ctr + rows].value}</td>`;
} else {
text += '<td></td>';
}
text += `
</tr>`;
}
text += `
</tbody>`;
return text;
});
//-------------------------------------------------------------
// generate Publisher entry
//-------------------------------------------------------------
eleventyConfig.addShortcode('generatePublisher', (publisherName) => {
let text = '';
let pub = publishers.find((obj) => obj.name === publisherName);
if (pub !== null && pub !== undefined) {
if (pub.url !== null && pub.url !== undefined && pub.url !== '') {
text += `<a href="${pub.url}" target="_blank">${pub.name}</a>`;
} else {
text += pub.name;
}
}
return text;
});
//-------------------------------------------------------------
// Generate department dropdown list
//-------------------------------------------------------------
eleventyConfig.addShortcode('generateDeptList', () => {
let text = '<ul>';
categoriesData
.sort((a, b) => a.label.localeCompare(b.label))
.forEach((category) => {
if (category.departments.length === 0) {
text += `<li><a href="/departments/${slugify(category.label, {
lower: true,
strict: true,
})}" class="menu-item">${category.label}</a></li>`;
} else {
text += `<li><a href="/departments/${slugify(category.label, { lower: true, strict: true })}">${
category.label
}</a><ul>`;
// gather the subdepartment labels
let deptList = [];
category.departments.forEach((id) => {
// get the department object
let dept = departmentsData.find((obj) => obj.id === id);
if (dept !== null && dept !== undefined) {
deptList.push(dept.label);
}
});
// sort the labels alphabetically and insert
// as an unordered list
deptList
.sort((a, b) => a.localeCompare(b))
.forEach((dept) => {
text += `<li><a href="/departments/${slugify(dept, {
lower: true,
strict: true,
})}" class="submenu-item">${dept}</a></li>`;
});
text += `</ul></li>`;
}
});
text += '</ul>';
return text;
});
// generate product variant buttons
eleventyConfig.addShortcode('generateVariants', (sku) => {
let text = '';
let product = getProduct(sku);
product.variants.forEach((variant) => {
let vp = getProduct(variant.sku);
if (variant.sku === sku) {
// mark as active page
text += `<a class="active-variant">${variant.label}</a>`;
} else {
text += `<a href="/products/${variant.sku}">${variant.label}</a>`;
}
});
return text;
});
return {
dir: {
input: 'src',
output: 'build',
data: '_data',
includes: 'partials_layouts',
},
};
};
//----------------------------- End of main config function -------------------------------
//-------------------------------------------------------------
// Extract marked summary from text.
//-------------------------------------------------------------
const extractSummary = (text) => {
let summary = null;
// The start and end separators to try and match to extract the summary
const separatorsList = [
{ start: '<!-- Summary Start -->', end: '<!-- Summary End -->' },
{ start: '<p>', end: '</p>' },
];
separatorsList.some((separators) => {
const startPosition = text.indexOf(separators.start);
// This end position could use "lastIndexOf" to return all
// the paragraphs rather than just the first paragraph when
// matching is on "<p>" and "</p>".
const endPosition = text.indexOf(separators.end);
if (startPosition !== -1 && endPosition !== -1) {
summary = text.substring(startPosition + separators.start.length, endPosition).trim();
return true;
}
});
return summary;
};
const getProduct = (sku) => {
// get the department
let key = sku.slice(0, 7);
// get the name of the data file
let deptObj = departmentsData.find((dept) => (dept.id === key ? dept : null));
let prodFileName = path.join(__dirname, deptObj.datadir, `${sku}.json`);
// get the product
let product = null;
try {
product = JSON.parse(fs.readFileSync(prodFileName));
} catch {
console.error(`Product file ${prodFileName} does not exist.`);
}
return product;
};