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fbed2df668
* fix(jsx): allow `null`, `undefined`, and `boolean` to be returned from function component * fix(jsx): allow `null` to be returned from `FC` type * test: add test for empty fragment in `"jsx": "precompile"` Empty Fragment is converted to null in `"jsx": "precompile"`, so add a test for that pattern
113 lines
3.1 KiB
TypeScript
113 lines
3.1 KiB
TypeScript
/** @jsxImportSource ../../src/jsx */
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import { Style, css } from '../../src/helper/css/index.ts'
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import { Suspense, renderToReadableStream } from '../../src/jsx/streaming.ts'
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import type { HtmlEscapedString } from '../../src/utils/html.ts'
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import { HtmlEscapedCallbackPhase, resolveCallback } from '../../src/utils/html.ts'
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import { assertEquals } from '../deno/deps.ts'
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Deno.test('JSX', () => {
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const Component = ({ name }: { name: string }) => <span>{name}</span>
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const html = (
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<div>
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<h1 id={'<Hello>'}>
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<Component name={'<Hono>'} />
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</h1>
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</div>
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)
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assertEquals(html.toString(), '<div><h1 id="<Hello>"><span><Hono></span></h1></div>')
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})
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Deno.test('JSX: Fragment', () => {
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const fragment = (
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<>
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<p>1</p>
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<p>2</p>
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</>
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)
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assertEquals(fragment.toString(), '<p>1</p><p>2</p>')
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})
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Deno.test('JSX: Empty Fragment', () => {
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const Component = () => <></>
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const html = <Component />
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assertEquals(html.toString(), '')
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})
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Deno.test('JSX: Async Component', async () => {
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const Component = async ({ name }: { name: string }) =>
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new Promise<HtmlEscapedString>((resolve) => setTimeout(() => resolve(<span>{name}</span>), 10))
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const stream = renderToReadableStream(
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<div>
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<Component name={'<Hono>'} />
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</div>
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)
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const chunks: string[] = []
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const textDecoder = new TextDecoder()
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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for await (const chunk of stream as any) {
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chunks.push(textDecoder.decode(chunk))
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}
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assertEquals(chunks.join(''), '<div><span><Hono></span></div>')
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})
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Deno.test('JSX: Suspense', async () => {
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const Content = () => {
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const content = new Promise<HtmlEscapedString>((resolve) =>
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setTimeout(() => resolve(<h1>Hello</h1>), 10)
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)
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return content
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}
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const stream = renderToReadableStream(
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<Suspense fallback={<p>Loading...</p>}>
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<Content />
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</Suspense>
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)
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const chunks: string[] = []
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const textDecoder = new TextDecoder()
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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for await (const chunk of stream as any) {
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chunks.push(textDecoder.decode(chunk))
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}
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assertEquals(chunks, [
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'<template id="H:0"></template><p>Loading...</p><!--/$-->',
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`<template data-hono-target="H:0"><h1>Hello</h1></template><script>
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((d,c,n) => {
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c=d.currentScript.previousSibling
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d=d.getElementById('H:0')
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if(!d)return
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do{n=d.nextSibling;n.remove()}while(n.nodeType!=8||n.nodeValue!='/$')
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d.replaceWith(c.content)
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})(document)
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</script>`,
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])
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})
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Deno.test('JSX: css', async () => {
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const className = css`
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color: red;
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`
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const html = (
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<html>
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<head>
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<Style />
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</head>
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<body>
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<div class={className}></div>
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</body>
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</html>
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)
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const awaitedHtml = await html
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const htmlEscapedString = 'callbacks' in awaitedHtml ? awaitedHtml : await awaitedHtml.toString()
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assertEquals(
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await resolveCallback(htmlEscapedString, HtmlEscapedCallbackPhase.Stringify, false, {}),
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'<html><head><style id="hono-css">.css-3142110215{color:red}</style></head><body><div class="css-3142110215"></div></body></html>'
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)
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})
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