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test.js
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import assert from 'node:assert/strict'
import test from 'node:test'
import {ParseEnglish} from 'parse-english'
import rehypeParse from 'rehype-parse'
import rehypeRetext from 'rehype-retext'
import rehypeStringify from 'rehype-stringify'
import retextEnglish from 'retext-english'
import retextStringify from 'retext-stringify'
import {unified} from 'unified'
const document = [
'<!doctype html>',
'<html>',
' <head>',
' <meta charset=utf8>',
' <title>Alpha</title>',
' </head>',
' <body>',
' <p>Bravo</p>',
' </head>',
'</html>'
].join('\n')
test('rehypeRetext', async function (t) {
await t.test('should expose the public api', async function () {
assert.deepEqual(Object.keys(await import('rehype-retext')).sort(), [
'default'
])
})
await t.test('should throw when w/o parser or processor', async function () {
assert.throws(function () {
// @ts-expect-error: check how missing options is handled.
unified().use(rehypeRetext).freeze()
}, /Expected `parser` \(such as from `parse-english`\) or `processor` \(a unified pipeline\) as `options`/)
})
await t.test('should mutate', async function () {
const file = await unified()
.use(rehypeParse, {fragment: true})
.use(rehypeRetext, ParseEnglish)
.use(retextStringify)
.process(document)
assert.equal(String(file), 'Bravo')
})
await t.test('should bridge', async function () {
const file = await unified()
.use(rehypeParse)
// @ts-expect-error: to do: remove this when `retext-stringify` is released, hopefully.
.use(rehypeRetext, unified().use(retextEnglish))
.use(rehypeStringify)
.process(document)
assert.equal(
String(file),
[
'<!doctype html><html><head>',
' <meta charset="utf8">',
' <title>Alpha</title>',
' </head>',
' <body>',
' <p>Bravo</p>',
' ',
'</body></html>'
].join('\n')
)
})
})