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rollup.config.js
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rollup.config.js
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import commonjs from '@rollup/plugin-commonjs';
import fs from 'fs';
import livereload from 'rollup-plugin-livereload';
import path from 'path';
import typescript from '@rollup/plugin-typescript';
import watch from 'rollup-plugin-watch';
import { minify } from 'html-minifier';
import { terser } from 'rollup-plugin-terser';
const dev = process.env.NODE_ENV === 'development';
const liveReloadPort = 35729;
// all the html files
function buildHtml(port, host) {
const htmlFiles = getAllFilesRecursively(path.resolve('./', 'src/'))
.filter((p) => /\.html$/.test(p))
.map((p) => path.relative('./', p));
htmlFiles.forEach(async (p) => {
let src = fs.readFileSync(path.resolve('./', p), 'utf8');
if (port) {
const script = `<script src='http://${
(host || 'localhost').split(':')[0]
}:${port}/livereload.js?snipver=1'></script>`;
src = src.replace(/<head>/, '<head>' + script);
}
const minified = await minify(src, {
collapseWhitespace: true,
minifyCSS: true,
minifyJS: true,
minifyURLs: true,
removeComments: true
});
const distPath = path.resolve('./', p.replace(/^src/, 'dist'));
await fs.mkdir(path.dirname(distPath), { recursive: true }, (err) => {
if (err) {
console.error(err);
}
});
fs.writeFileSync(distPath, minified);
});
}
function htmlPlugin(port) {
return {
name: 'htmlPlugin',
buildEnd() {
buildHtml(port);
return null;
}
};
}
// all the typescript files
function getAllFilesRecursively(directory, files = []) {
fs.readdirSync(directory).forEach((file) => {
const absolute = path.join(directory, file);
if (fs.statSync(absolute).isDirectory())
return getAllFilesRecursively(absolute, files);
else return files.push(absolute);
});
return files;
}
const tsFiles = getAllFilesRecursively(path.resolve('./', 'src/'))
.filter((p) => /\.ts$/.test(p) && !/\.d\.ts$/.test(p) && !/\/_.*/.test(p))
.map((p) => path.relative('./', p));
const tsConfigs = tsFiles.map((p, i) => {
return {
input: p,
output: {
file: p.replace(/^src/, 'dist').replace(/\.ts$/, '.js'),
sourcemap: true,
format: 'cjs',
exports: 'auto'
},
plugins: [
watch({ dir: 'src/view' }),
typescript(),
commonjs(),
terser(),
i === 0 && htmlPlugin(dev ? liveReloadPort : undefined),
dev &&
i === tsFiles.length - 1 &&
livereload({
delay: 1000,
port: liveReloadPort,
watch: 'src',
verbose: false
})
]
};
});
export default tsConfigs;