lewisdale.dev/downloadImages.js
2023-12-30 21:55:36 +00:00

34 lines
1.3 KiB
JavaScript

const { glob } = require('glob');
const fs = require('fs');
const path = require('path');
(async () => {
const imagesDirectory = path.join(__dirname, 'src', 'images');
if (!fs.existsSync(imagesDirectory)) {
fs.mkdirSync(imagesDirectory, { recursive: true });
}
const markdownFiles = await glob('src/blog/posts/**/*.md');
const imageRegex = /!\[(.*?)\]\((.*?)\)/g;
const imageRegex2 = /<img.*?src="(.*?)".*?>/g;
for (const markdownFile of markdownFiles) {
const markdown = fs.readFileSync(markdownFile, 'utf-8');
const images = [...markdown.matchAll(imageRegex), ...markdown.matchAll(imageRegex2)];
for (const image of images) {
const imageUrl = image[2] || image[1];
const imageFile = imageUrl.split('/').pop();
const imagePath = path.join(imagesDirectory, imageFile);
if (!fs.existsSync(imagePath)) {
console.log(`Downloading ${imageUrl} to ${imagePath}`);
const imageResponse = await fetch(imageUrl);
const imageBuffer = Buffer.from(await imageResponse.arrayBuffer());
fs.writeFileSync(imagePath, imageBuffer);
}
const newMarkdown = markdown.replace(imageUrl, `./src/images/${imageFile}`);
fs.writeFileSync(markdownFile, newMarkdown);
}
}
})();