/
test-transformers.js
624 lines (519 loc) · 16 KB
/
test-transformers.js
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const test = require('ava')
const Maizzle = require('../src')
const path = require('path')
const fs = require('fs')
const readFile = (dir, filename) => fs.promises
.readFile(path.join(__dirname, dir, `${filename}.html`), 'utf8')
.then(html => html.trim())
const fixture = file => readFile('fixtures/transformers', file)
const expected = file => readFile('expected/transformers', file)
test('remove inline sizes', async t => {
const options = {
width: ['TD'],
height: ['TD']
}
const html = await Maizzle.removeInlineSizes('<td style="width:100%;height:10px;">test</td>', options)
t.is(html, '<td style="">test</td>')
})
test('remove inline background-color', async t => {
const html = await Maizzle.removeInlineBgColor(`<td style="background-color: red" bgcolor="red">test</td>`)
const html2 = await Maizzle.removeInlineBgColor(
`<td style="background-color: red" bgcolor="red">test</td>`,
{
inlineCSS: {
preferBgColorAttribute: true
}
}
)
t.is(html, '<td style="" bgcolor="red">test</td>')
t.is(html2, '<td style="" bgcolor="red">test</td>')
})
test('remove inline background-color (with tags)', async t => {
const html = await Maizzle.removeInlineBgColor(
`<table style="background-color: red"><tr><td style="background-color: red">test</td></tr></table>`,
['table']
)
t.is(html, '<table style="" bgcolor="red"><tr><td style="background-color: red">test</td></tr></table>')
})
test('inline CSS', async t => {
const html = `<div class="foo bar">test</div>`
const css = `
.foo {color: red}
.bar {cursor: pointer}
`
const result = await Maizzle.inlineCSS(html, {
customCSS: css,
removeStyleTags: false,
styleToAttribute: {
'text-align': 'align'
},
applyWidthAttributes: ['TABLE'],
applyHeightAttributes: ['TD'],
mergeLonghand: ['div'],
excludedProperties: ['cursor'],
codeBlocks: {
RB: {
start: '<%',
end: '%>'
}
}
})
t.is(result, '<div class="foo bar" style="color: red;">test</div>')
})
test('inline CSS (disabled)', async t => {
const html = `<div class="foo">test</div>`
const css = `.foo {color: red}`
const result = await Maizzle.inlineCSS(html, {inlineCSS: false, customCSS: css})
t.is(result, '<div class="foo">test</div>')
})
test('remove unused CSS', async t => {
const html = `<!DOCTYPE html>
<html>
<head>
<style>
.foo {color: red}
.bar-baz {color: blue}
.baz {color: white}
</style>
</head>
<body>
<div class="foo">test div with some text</div>
</body>
</html>`
const result1 = `<!DOCTYPE html>
<html>
<head>
<style>
.foo {color: red}
.bar-baz {color: blue}
</style>
</head>
<body>
<div class="foo">test div with some text</div>
</body>
</html>`
const result2 = `<!DOCTYPE html>
<html>
<head>
<style>
.foo {color: red}
</style>
</head>
<body>
<div class="foo">test div with some text</div>
</body>
</html>`
const withOptions = await Maizzle.removeUnusedCSS(html, {whitelist: ['.bar*']})
const enabled = await Maizzle.removeUnusedCSS(html, true)
t.is(withOptions, result1)
t.is(enabled, result2)
})
test('remove unused CSS (disabled)', async t => {
const html = `<!DOCTYPE html>
<html>
<head>
<style>
.foo {color: red}
</style>
</head>
<body>
<div class="foo">test div with some text</div>
</body>
</html>`
const result = `<!DOCTYPE html>
<html>
<head>
<style>
.foo {color: red}
</style>
</head>
<body>
<div class="foo">test div with some text</div>
</body>
</html>`
const disabled = await Maizzle.removeUnusedCSS(html, {removeUnusedCSS: false})
const unset = await Maizzle.removeUnusedCSS(html)
t.is(disabled, result)
t.is(unset, result)
})
test('remove attributes', async t => {
const html = await Maizzle.removeAttributes(
`<div style="" remove keep role="article" delete-me="with-regex"></div>`,
[
{name: 'role', value: 'article'},
'remove',
{name: 'delete-me', value: /^with/}
]
)
t.is(html, '<div keep></div>')
})
test('extra attributes', async t => {
const html = await Maizzle.applyExtraAttributes('<div />', {div: {role: 'article'}})
t.is(html, '<div role="article"></div>')
})
test('extra attributes (disabled)', async t => {
const html = await Maizzle.applyExtraAttributes('<img src="example.jpg">', {extraAttributes: false})
t.is(html, '<img src="example.jpg">')
})
test('base URL (string)', async t => {
const source = await fixture('base-url')
const html = await Maizzle.applyBaseUrl(source, 'https://example.com/')
t.is(html, await expected('base-url'))
})
test('base URL (object)', async t => {
const source = await fixture('base-url')
const html = await Maizzle.applyBaseUrl(source, {
url: 'https://example.com/',
allTags: true,
styleTag: true,
inlineCss: true
})
t.is(html, await expected('base-url'))
})
test('prettify', async t => {
// `prettify: true`
const html2 = await Maizzle.prettify('<div><p>test</p></div>', true)
// With custom object config
// eslint-disable-next-line
const html = await Maizzle.prettify('<div><p>test</p></div>', {indent_inner_result: true})
// No config
const html3 = await Maizzle.prettify('<div><p>test</p></div>')
// Empty object config
const html4 = await Maizzle.prettify('<div><p>test</p></div>', {})
t.is(html, '<div>\n <p>test</p>\n</div>')
t.is(html2, '<div>\n <p>test</p>\n</div>')
t.is(html3, '<div><p>test</p></div>')
t.is(html4, '<div><p>test</p></div>')
})
test('minify', async t => {
const html = await Maizzle.minify('<div>\n\n<p>\n\ntest</p></div>', {lineLengthLimit: 10})
t.is(html, '<div><p>\ntest</p>\n</div>')
})
test('minify (disabled)', async t => {
const html = await Maizzle.minify('<div>\n\n<p>\n\ntest</p></div>', {minify: false})
t.is(html, '<div>\n\n<p>\n\ntest</p></div>')
})
test('replace strings', async t => {
const html = await Maizzle.replaceStrings('initial text', {initial: 'updated'})
t.is(html, 'updated text')
})
test('safe class names', async t => {
const html = await Maizzle.safeClassNames('<div class="sm:text-left w-1.5">foo</div>', {'.': '_dot_'})
t.is(html, '<div class="sm-text-left w-1_dot_5">foo</div>')
})
test('safe class names (disabled)', async t => {
const html = await Maizzle.safeClassNames('<div class="sm:text-left">foo</div>', {safeClassNames: false})
t.is(html, '<div class="sm:text-left">foo</div>')
})
test('six digit hex', async t => {
const html = await Maizzle.ensureSixHEX(
`
<div bgcolor="#000" style="color: #fff; background-color: #000">This should not change: #ffc</div>
<font color="#fff">Text</font>
`)
t.is(
html.trim(),
`
<div bgcolor="#000000" style="color: #fff; background-color: #000">This should not change: #ffc</div>
<font color="#ffffff">Text</font>
`.trim()
)
})
test('six digit hex (disabled)', async t => {
const html = await Maizzle.ensureSixHEX('<td style="color: #ffc" bgcolor="#000"></td>', {sixHex: false})
t.is(html, '<td style="color: #ffc" bgcolor="#000"></td>')
})
test('filters (default)', async t => {
const source = await fixture('filters')
const html = await Maizzle.withFilters(source)
t.is(html, await expected('filters'))
})
test('filters (tailwindcss)', async t => {
const html = await Maizzle.withFilters(
`<style tailwindcss>
div {
@apply hidden;
}
</style>`
)
t.true(html.replace(/\s/g, '').includes(`div{display:none}`))
})
test('filters (postcss)', async t => {
const html = await Maizzle.withFilters(
`<style postcss>
div {
margin-top: 1px;
margin-right: 2px;
margin-bottom: 3px;
margin-left: 4px;
}
</style>`
)
t.is(html.replace(/\n {2,}/g, ''), '<style>div {margin: 1px 2px 3px 4px;}</style>')
})
test('url parameters', async t => {
const simple = await Maizzle.addURLParams(
`<a href="https://example.com">test</a>
<link href="https://foo.bar">`,
{
bar: 'baz',
qix: 'qux'
}
)
const withOptions = await Maizzle.addURLParams(
`<a href="example.com">test</a>
<link href="https://foo.bar">`,
{
_options: {
tags: ['a[href*="example"]'],
strict: false,
qs: {
encode: true
}
},
foo: '@Bar@',
bar: 'baz'
}
)
t.is(simple, `<a href="https://example.com?bar=baz&qix=qux">test</a>
<link href="https://foo.bar">`)
t.is(withOptions, `<a href="example.com?bar=baz&foo=%40Bar%40">test</a>
<link href="https://foo.bar">`)
})
test('attribute to style', async t => {
const html = `<table width="100%" height="600" align="left" bgcolor="#FFFFFF" background="https://example.com/image.jpg">
<tr>
<td align="center" valign="top"></td>
</tr>
</table>`
const expected = `<table width="100%" height="600" align="left" bgcolor="#FFFFFF" background="https://example.com/image.jpg" style="width: 100%; height: 600px; float: left; background-color: #FFFFFF; background-image: url('https://example.com/image.jpg')">
<tr style="">
<td align="center" valign="top" style="text-align: center; vertical-align: top"></td>
</tr>
</table>`
const html2 = `<table align="center">
<tr>
<td></td>
</tr>
</table>`
const expected2 = `<table align="center" style="margin-left: auto; margin-right: auto">
<tr style="">
<td style=""></td>
</tr>
</table>`
const withArray = await Maizzle.attributeToStyle(html, ['width', 'height', 'bgcolor', 'background', 'align', 'valign'])
const withOptionBoolean = await Maizzle.attributeToStyle(html2, {inlineCSS: {attributeToStyle: true}})
const withOptionArray = await Maizzle.attributeToStyle(html2, {inlineCSS: {attributeToStyle: ['align']}})
t.is(withArray, expected)
t.is(withOptionBoolean, expected2)
t.is(withOptionArray, expected2)
})
test('prevent widows', async t => {
const html = await Maizzle.preventWidows(`
<!--[if mso]>
<p>A paragraph inside an Outlook MSO comment</p>
<![endif]-->
<div>Text following an MSO comment</div>
`)
t.is(html, `
<!--[if mso]>
<p>A paragraph inside an Outlook MSO comment</p>
<![endif]-->
<div>Text following an MSO comment</div>
`)
})
test('prevent widows (with options)', async t => {
const html = await Maizzle.preventWidows(`
<div no-widows>
<p>Text following an MSO comment</p>
<!--[if mso 15]>
<p>A paragraph inside an Outlook MSO comment</p>
<p>unescaped {{{ foo }}}</p>
<![endif]-->
<p>expression {{ foo }}</p>
<!--[if !mso]><!-->
<div>All Outlooks will ignore this</div>
<!--<![endif]-->
<p>unescaped {{{ foo }}}</p>
</div>
<p>Should not remove widows here</p>
`, {
attrName: 'no-widows',
minWordCount: 3,
ignore: [
{
heads: 'foo',
tails: 'bar'
}
]
})
t.is(html, `
<div>
<p>Text following an MSO comment</p>
<!--[if mso 15]>
<p>A paragraph inside an Outlook MSO comment</p>
<p>unescaped {{{ foo }}}</p>
<![endif]-->
<p>expression {{ foo }}</p>
<!--[if !mso]><!-->
<div>All Outlooks will ignore this</div>
<!--<![endif]-->
<p>unescaped {{{ foo }}}</p>
</div>
<p>Should not remove widows here</p>
`)
})
test('markdown (disabled)', async t => {
const html = await Maizzle.markdown('> a quote', {markdown: false})
t.is(html, '> a quote')
})
test('remove inlined selectors', async t => {
const html = `<!DOCTYPE html>
<html>
<head>
<style>
img {
border: 0;
vertical-align: middle
}
.hover-text-blue:hover {
color: #00a8ff;
}
.m-0 {margin: 0}
.mb-4 {margin-bottom: 16px}
.mt-0 {margin-top: 0}
.remove {color: red}
[data-ogsc] .hidden {display: none}
#keepId {float:none}
.foo-class {
/* COMMENT */
color: red;
}
.ignore {
display: inline-block;
}
@media (max-width: 600px) {
.ignore {color: blue}
}
</style>
<style>
.keep {margin: 0}
</style>
</head>
<body>
<div no-value id="keepId" class="remove keep ignore foo-class" style="color: red; display: inline">
<h1 class="m-0 mb-4 mt-0 hover-text-blue" style="margin: 0 0 16px;">Title</h1>
<img src="https://example.com/image.jpg" style="border: 0; vertical-align: middle">
<div id="keepId" class="remove keep ignore" style="color: red; display: inline">text</div>
</div>
</body>
</html>`
const expectedHTML = `<!DOCTYPE html>
<html>
<head>
<style>.hover-text-blue:hover {
color: #00a8ff;
}
[data-ogsc] .hidden {display: none}
#keepId {float:none}
.foo-class {
/* COMMENT */
color: red;
}
@media (max-width: 600px) {
.ignore {color: blue}
}</style>
<style>.keep {margin: 0}</style>
</head>
<body>
<div no-value id="keepId" class="keep foo-class" style="color: red; display: inline">
<h1 class="hover-text-blue" style="margin: 0 0 16px">Title</h1>
<img src="https://example.com/image.jpg" style="border: 0; vertical-align: middle">
<div id="keepId" class="keep" style="color: red; display: inline">text</div>
</div>
</body>
</html>`
const html2 = `<!DOCTYPE html>
<html>
<head><style>
img {
border: 0;
vertical-align: middle
}
</style></head>
<body>
<img src="https://example.com/image.jpg" style="border: 0; vertical-align: middle">
</body>
</html>`
const expectedNoEmptyStyleTags = `<!DOCTYPE html>
<html>
<head></head>
<body>
<img src="https://example.com/image.jpg" style="border: 0; vertical-align: middle">
</body>
</html>`
const basic = await Maizzle.removeInlinedClasses(html)
const noEmptyStyle = await Maizzle.removeInlinedClasses(html2)
const withPostHTMLOptions = await Maizzle.removeInlinedClasses(html, {
build: {
posthtml: {
options: {
recognizeNoValueAttribute: true
}
}
}
})
t.is(basic, expectedHTML)
t.is(withPostHTMLOptions, expectedHTML)
t.is(noEmptyStyle, expectedNoEmptyStyleTags)
})
test('remove inlined selectors (disabled)', async t => {
const html = `<!DOCTYPE html>
<html>
<head>
<style>
.remove {color: red}
</style>
</head>
<body>
<div class="remove" style="color: red"></div>
</body>
</html>`
const expected = `<!DOCTYPE html>
<html>
<head>
<style>
.remove {color: red}
</style>
</head>
<body>
<div class="remove" style="color: red"></div>
</body>
</html>`
const result = await Maizzle.removeInlinedClasses(html, {removeInlinedClasses: false})
t.is(result, expected)
})
test('shorthand inline css', async t => {
const html = `
<div style="padding-left: 2px; padding-right: 2px; padding-top: 2px; padding-bottom: 2px;">padding</div>
<div style="margin-left: 2px; margin-right: 2px; margin-top: 2px; margin-bottom: 2px;">margin</div>
<div style="border-width: 1px; border-style: solid; border-color: #000;">border</div>
<p style="border-width: 1px; border-style: solid; border-color: #000;">border</p>
`
const expect = `
<div style="padding: 2px;">padding</div>
<div style="margin: 2px;">margin</div>
<div style="border: 1px solid #000;">border</div>
<p style="border: 1px solid #000;">border</p>
`
const expect2 = `
<div style="padding: 2px;">padding</div>
<div style="margin: 2px;">margin</div>
<div style="border: 1px solid #000;">border</div>
<p style="border-width: 1px; border-style: solid; border-color: #000;">border</p>
`
const result = await Maizzle.shorthandInlineCSS(html)
const result2 = await Maizzle.shorthandInlineCSS(html, {tags: ['div']})
t.is(result, expect)
t.is(result2, expect2)
})