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svelte/playgrounds/sandbox/run.js

106 lines
2.7 KiB

import * as fs from 'node:fs';
import * as path from 'node:path';
import { fileURLToPath } from 'node:url';
import { parseArgs } from 'node:util';
import glob from 'tiny-glob/sync.js';
import { compile, compileModule, parse, migrate } from 'svelte/compiler';
const argv = parseArgs({ options: { runes: { type: 'boolean' } }, args: process.argv.slice(2) });
const cwd = fileURLToPath(new URL('.', import.meta.url)).slice(0, -1);
// empty output directory
if (fs.existsSync(`${cwd}/output`)) {
for (const file of fs.readdirSync(`${cwd}/output`)) {
if (file === '.gitkeep') continue;
try {
fs.rmSync(`${cwd}/output/${file}`, { recursive: true });
} catch {}
}
}
/** @param {string} dir */
function mkdirp(dir) {
try {
fs.mkdirSync(dir, { recursive: true });
} catch {}
}
const svelte_modules = glob('**/*.svelte', { cwd: `${cwd}/src` });
const js_modules = glob('**/*.js', { cwd: `${cwd}/src` });
for (const generate of /** @type {const} */ (['client', 'server'])) {
console.error(`\n--- generating ${generate} ---\n`);
for (const file of svelte_modules) {
const input = `${cwd}/src/${file}`;
const source = fs.readFileSync(input, 'utf-8');
const output_js = `${cwd}/output/${generate}/${file}.js`;
const output_map = `${cwd}/output/${generate}/${file}.js.map`;
const output_css = `${cwd}/output/${generate}/${file}.css`;
mkdirp(path.dirname(output_js));
if (generate === 'client') {
const ast = parse(source, {
modern: true
});
fs.writeFileSync(
`${cwd}/output/${file}.json`,
JSON.stringify(
ast,
(key, value) => (typeof value === 'bigint' ? ['BigInt', value.toString()] : value),
'\t'
)
);
try {
const migrated = migrate(source);
fs.writeFileSync(`${cwd}/output/${file}.migrated.svelte`, migrated.code);
} catch (e) {
console.warn(`Error migrating ${file}`, e);
}
}
const compiled = compile(source, {
dev: true,
filename: input,
generate,
runes: argv.values.runes
});
for (const warning of compiled.warnings) {
console.warn(warning.code);
console.warn(warning.frame);
}
fs.writeFileSync(
output_js,
compiled.js.code + '\n//# sourceMappingURL=' + path.basename(output_map)
);
fs.writeFileSync(output_map, compiled.js.map.toString());
if (compiled.css) {
fs.writeFileSync(output_css, compiled.css.code);
}
}
for (const file of js_modules) {
const input = `${cwd}/src/${file}`;
const source = fs.readFileSync(input, 'utf-8');
const compiled = compileModule(source, {
dev: true,
filename: input,
generate
});
const output_js = `${cwd}/output/${generate}/${file}`;
mkdirp(path.dirname(output_js));
fs.writeFileSync(output_js, compiled.js.code);
}
}