import assert from 'node:assert/strict'
import fs from 'node:fs'
import os from 'node:os'
import path from 'node:path'
import test from 'node:test'
import { pathToFileURL } from 'node:url'
import { JSDOM } from 'jsdom'
import { generateSprite } from '../dist/index.js'
const CHECK_SVG = ''
const UNSAFE_SVG = ''
test('standalone Webpack icon element renders generated icons without external runtime dependencies', async (context) => {
const rootDir = fs.mkdtempSync(path.join(os.tmpdir(), 'svg-sprites-icon-element-'))
const iconsDir = path.join(rootDir, 'icons')
fs.mkdirSync(iconsDir)
fs.writeFileSync(path.join(rootDir, 'package.json'), '{"type":"module"}')
fs.writeFileSync(path.join(iconsDir, 'check.svg'), CHECK_SVG)
fs.writeFileSync(path.join(iconsDir, 'folder open.svg'), UNSAFE_SVG)
await generateSprite(rootDir, {
mode: 'standalone@webpack',
name: 'app-icons',
generatedNotice: false,
})
const entryUrl = pathToFileURL(path.join(rootDir, '.svg-sprite', 'index.js')).href
const generated = await import(entryUrl)
assert.equal(generated.appIconsIconTagName, 'app-icons-icon')
assert.doesNotThrow(() => generated.defineAppIconsIconElement())
const dom = new JSDOM('', { url: 'https://example.test/' })
const originals = new Map()
for (const [name, value] of Object.entries({
HTMLElement: dom.window.HTMLElement,
customElements: dom.window.customElements,
})) {
originals.set(name, Object.getOwnPropertyDescriptor(globalThis, name))
Object.defineProperty(globalThis, name, { configurable: true, writable: true, value })
}
const browserErrors = []
const originalConsoleError = console.error
console.error = (...values) => browserErrors.push(values.join(' '))
context.after(() => {
console.error = originalConsoleError
dom.window.close()
for (const [name, descriptor] of originals) {
if (descriptor) Object.defineProperty(globalThis, name, descriptor)
else delete globalThis[name]
}
})
const icon = dom.window.document.createElement('app-icons-icon')
icon.icon = 'folder open'
dom.window.document.body.append(icon)
generated.defineAppIconsIconElement()
generated.defineAppIconsIconElement()
assert.equal(icon.icon, 'folder open')
assert.equal(icon.getAttribute('icon'), 'folder open')
assert.equal(icon.shadowRoot.querySelector('svg').getAttribute('viewBox'), '0 0 16 16')
assert.equal(
icon.shadowRoot.querySelector('use').getAttribute('href'),
generated.getAppIconsIconHref('folder open'),
)
assert.match(icon.shadowRoot.querySelector('use').getAttribute('href'), /#icon-[a-f0-9]{16}$/)
icon.icon = 'check'
assert.equal(icon.shadowRoot.querySelector('svg').getAttribute('viewBox'), '0 0 24 24')
assert.match(icon.shadowRoot.querySelector('use').getAttribute('href'), /sprite\.svg#check$/)
assert.throws(() => { icon.icon = 'missing' }, /Unknown app-icons icon: missing/)
icon.setAttribute('icon', 'missing')
assert.equal(icon.icon, null)
assert.equal(icon.shadowRoot.querySelector('use').hasAttribute('href'), false)
assert.equal(icon.shadowRoot.querySelector('svg').hasAttribute('hidden'), true)
assert.deepEqual(browserErrors, [': unknown icon "missing".'])
const collisionDom = new JSDOM('')
Object.defineProperty(globalThis, 'HTMLElement', {
configurable: true,
writable: true,
value: collisionDom.window.HTMLElement,
})
Object.defineProperty(globalThis, 'customElements', {
configurable: true,
writable: true,
value: collisionDom.window.customElements,
})
collisionDom.window.customElements.define(
'app-icons-icon',
class extends collisionDom.window.HTMLElement {},
)
assert.throws(
() => generated.defineAppIconsIconElement(),
/Cannot define : this custom element name is already registered/,
)
collisionDom.window.close()
})