import * as fs from 'fs'; import * as path from 'path'; import * as http from 'http'; import { rollup } from 'rollup'; import * as virtual from 'rollup-plugin-virtual'; import * as puppeteer from 'puppeteer'; import { addLineNumbers, loadConfig, loadSvelte } from "../helpers.js"; import { deepEqual } from 'assert'; const page = `
`; const assert = fs.readFileSync('test/custom-elements/assert.js', 'utf-8'); describe('custom-elements', function() { this.timeout(10000); let svelte; let server; let browser; let code; function create_server() { return new Promise((fulfil) => { const server = http.createServer((req, res) => { if (req.url === '/') { res.end(page); } if (req.url === '/bundle.js') { res.end(code); } }); server.listen('6789', () => { fulfil(server); }); }); } before(async () => { svelte = loadSvelte(); server = await create_server(); browser = await puppeteer.launch(); }); after(async () => { server.close(); await browser.close(); }); fs.readdirSync('test/custom-elements/samples').forEach(dir => { if (dir[0] === '.') return; const solo = /\.solo$/.test(dir); const skip = /\.skip$/.test(dir); const internal = path.resolve('internal/index.mjs'); const index = path.resolve('index.mjs'); const warnings = []; (solo ? it.only : skip ? it.skip : it)(dir, async () => { const config = loadConfig(`./custom-elements/samples/${dir}/_config.js`); const expected_warnings = config.warnings || []; const bundle = await rollup({ input: `test/custom-elements/samples/${dir}/test.js`, plugins: [ { resolveId(importee) { if (importee === 'svelte/internal' || importee === './internal') { return internal; } if (importee === 'svelte') { return index; } }, transform(code, id) { if (id.endsWith('.svelte')) { const compiled = svelte.compile(code, { customElement: true, dev: config.dev }); compiled.warnings.forEach(w => warnings.push(w)); return compiled.js; } } }, virtual({ assert }) ] }); const result = await bundle.generate({ format: 'iife', name: 'test' }); code = result.output[0].code; const page = await browser.newPage(); page.on('console', (type, ...args) => { console[type](...args); }); try { await page.goto('http://localhost:6789'); const result = await page.evaluate(() => test(document.querySelector('main'))); if (result) console.log(result); } catch (err) { console.log(addLineNumbers(code)); throw err; } finally { if (expected_warnings) { deepEqual(warnings.map(w => ({ code: w.code, message: w.message, pos: w.pos, start: w.start, end: w.end })), expected_warnings); } } }); }); });