import fs from 'fs'
import path from 'path'
import { crosscheck, run, html, css, defaults } from './util/run'
crosscheck(({ stable, oxide, engine }) => {
test('basic usage', () => {
let config = {
content: [
{
raw: html`
`,
},
],
corePlugins: { preflight: false },
}
let input = css`
@tailwind base;
@tailwind components;
@tailwind utilities;
`
return run(input, config).then((result) => {
stable
.expect(result.css)
.toMatchFormattedCss(
fs.readFileSync(path.resolve(__dirname, './basic-usage.test.css'), 'utf8')
)
oxide
.expect(result.css)
.toMatchFormattedCss(
fs.readFileSync(path.resolve(__dirname, './basic-usage.oxide.test.css'), 'utf8')
)
})
})
test('all plugins are executed that match a candidate', () => {
let config = {
content: [{ raw: html`` }],
theme: {
colors: {
green: {
light: 'green',
},
},
},
corePlugins: { preflight: false },
}
let input = css`
@tailwind utilities;
.bg-green {
/* Empty on purpose */
}
`
return run(input, config).then((result) => {
stable.expect(result.css).toMatchFormattedCss(css`
.bg-green-light {
--tw-bg-opacity: 1;
background-color: rgb(0 128 0 / var(--tw-bg-opacity));
}
`)
oxide.expect(result.css).toMatchFormattedCss(css`
.bg-green-light {
background-color: green;
}
`)
})
})
test('per-plugin colors with the same key can differ when using a custom colors object', () => {
let config = {
content: [
{
raw: html`
This should be green text on red background.
`,
},
],
theme: {
// colors & theme MUST be plain objects
// If they're functions here the test passes regardless
colors: {
theme: {
bg: 'red',
text: 'green',
},
},
extend: {
textColor: {
theme: {
DEFAULT: 'green',
},
},
backgroundColor: {
theme: {
DEFAULT: 'red',
},
},
},
},
corePlugins: { preflight: false },
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
stable.expect(result.css).toMatchFormattedCss(css`
.bg-theme {
--tw-bg-opacity: 1;
background-color: rgb(255 0 0 / var(--tw-bg-opacity));
}
.text-theme {
--tw-text-opacity: 1;
color: rgb(0 128 0 / var(--tw-text-opacity));
}
`)
oxide.expect(result.css).toMatchFormattedCss(css`
.bg-theme {
background-color: red;
}
.text-theme {
color: green;
}
`)
})
})
test('default ring color can be a function', () => {
function color(variable) {
return function ({ opacityVariable, opacityValue }) {
if (opacityValue !== undefined) {
return `rgba(${variable}, ${opacityValue})`
}
if (opacityVariable !== undefined) {
return `rgba(${variable}, var(${opacityVariable}, 1))`
}
return `rgb(${variable})`
}
}
let config = {
content: [
{
raw: html` `,
},
],
theme: {
extend: {
ringColor: {
DEFAULT: color('var(--red)'),
},
},
},
plugins: [],
corePlugins: { preflight: false },
}
let input = css`
@tailwind base;
@tailwind components;
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
${defaults({ defaultRingColor: 'rgba(var(--red), 0.5)' })}
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
`)
})
})
it('falsy config values still work', () => {
let config = {
content: [{ raw: html`` }],
theme: {
inset: {
0: 0,
},
},
plugins: [],
corePlugins: { preflight: false },
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
.inset-0 {
inset: 0;
}
`)
})
})
it('shadows support values without a leading zero', () => {
let config = {
content: [{ raw: html`` }],
theme: {
boxShadow: {
one: '0.5rem 0.5rem 0.5rem #0005',
two: '.5rem .5rem .5rem #0005',
},
},
plugins: [],
corePlugins: { preflight: false },
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
.shadow-one,
.shadow-two {
--tw-shadow: 0.5rem 0.5rem 0.5rem #0005;
--tw-shadow-colored: 0.5rem 0.5rem 0.5rem var(--tw-shadow-color);
box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000),
var(--tw-shadow);
}
`)
})
})
it('can scan extremely long classes without crashing', () => {
let val = 'cols-' + '-a'.repeat(65536)
let config = {
content: [{ raw: html`` }],
corePlugins: { preflight: false },
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css``)
})
})
it('does not produce duplicate output when seeing variants preceding a wildcard (*)', () => {
let config = {
content: [{ raw: html`underline focus:*` }],
corePlugins: { preflight: false },
}
let input = css`
@tailwind base;
@tailwind components;
@tailwind utilities;
* {
color: red;
}
.combined,
* {
text-align: center;
}
@layer base {
* {
color: blue;
}
.combined,
* {
color: red;
}
}
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
* {
color: #00f;
}
.combined,
* {
color: red;
}
${defaults}
.underline {
text-decoration-line: underline;
}
* {
color: red;
}
.combined,
* {
text-align: center;
}
`)
})
})
it('can parse box shadows with variables', () => {
let config = {
content: [{ raw: html`` }],
theme: {
boxShadow: {
lg: 'var(--a, 0 35px 60px -15px rgba(0, 0, 0)), 0 0 1px rgb(0, 0, 0)',
},
},
corePlugins: { preflight: false },
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
.shadow-lg {
--tw-shadow: var(--a, 0 35px 60px -15px #000), 0 0 1px #000;
--tw-shadow-colored: 0 35px 60px -15px var(--tw-shadow-color),
0 0 1px var(--tw-shadow-color);
box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000),
var(--tw-shadow);
}
`)
})
})
it('should generate styles using :not(.unknown-class) even if `.unknown-class` does not exist', () => {
let config = {
content: [{ raw: html`` }],
corePlugins: { preflight: false },
}
let input = css`
@tailwind components;
@layer components {
div:not(.unknown-class) {
color: red;
}
}
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
div:not(.unknown-class) {
color: red;
}
`)
})
})
it('supports multiple backgrounds as arbitrary values even if only some are quoted', () => {
let config = {
content: [
{
raw: html``,
},
],
corePlugins: { preflight: false },
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
.bg-\[url\(\'\/images\/one-two-three\.png\'\)\,linear-gradient\(to_right\,_\#eeeeee\,_\#000000\)\] {
background-image: url('/images/one-two-three.png'), linear-gradient(to right, #eee, #000);
}
`)
})
})
it('The "default" ring opacity is used by the default ring color when not using respectDefaultRingColorOpacity (1)', () => {
let config = {
content: [{ raw: html`` }],
corePlugins: { preflight: false },
}
let input = css`
@tailwind base;
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
${defaults({ defaultRingColor: '#3b82f680' })}
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
`)
})
})
it('The "default" ring opacity is used by the default ring color when not using respectDefaultRingColorOpacity (2)', () => {
let config = {
content: [{ raw: html`` }],
corePlugins: { preflight: false },
theme: {
ringOpacity: {
DEFAULT: 0.75,
},
},
}
let input = css`
@tailwind base;
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
${defaults({ defaultRingColor: '#3b82f6bf' })}
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
`)
})
})
it('Customizing the default ring color uses the "default" opacity when not using respectDefaultRingColorOpacity (1)', () => {
let config = {
content: [{ raw: html`` }],
corePlugins: { preflight: false },
theme: {
ringColor: {
DEFAULT: '#ff7f7f',
},
},
}
let input = css`
@tailwind base;
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
${defaults({ defaultRingColor: '#ff7f7f80' })}
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
`)
})
})
it('Customizing the default ring color uses the "default" opacity when not using respectDefaultRingColorOpacity (2)', () => {
let config = {
content: [{ raw: html`` }],
corePlugins: { preflight: false },
theme: {
ringColor: {
DEFAULT: '#ff7f7f00',
},
},
}
let input = css`
@tailwind base;
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
${defaults({ defaultRingColor: '#ff7f7f80' })}
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
`)
})
})
it('The "default" ring color ignores the default opacity when using respectDefaultRingColorOpacity (1)', () => {
let config = {
future: { respectDefaultRingColorOpacity: true },
content: [{ raw: html`` }],
corePlugins: { preflight: false },
}
let input = css`
@tailwind base;
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
${defaults({ defaultRingColor: '#3b82f67f' })}
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
`)
})
})
it('The "default" ring color ignores the default opacity when using respectDefaultRingColorOpacity (2)', () => {
let config = {
future: { respectDefaultRingColorOpacity: true },
content: [{ raw: html`` }],
corePlugins: { preflight: false },
theme: {
ringOpacity: {
DEFAULT: 0.75,
},
},
}
let input = css`
@tailwind base;
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
${defaults({ defaultRingColor: '#3b82f67f' })}
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
`)
})
})
it('Customizing the default ring color preserves its opacity when using respectDefaultRingColorOpacity (1)', () => {
let config = {
future: { respectDefaultRingColorOpacity: true },
content: [{ raw: html`` }],
corePlugins: { preflight: false },
theme: {
ringColor: {
DEFAULT: '#ff7f7f',
},
},
}
let input = css`
@tailwind base;
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
${defaults({ defaultRingColor: '#ff7f7f' })}
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
`)
})
})
it('Customizing the default ring color preserves its opacity when using respectDefaultRingColorOpacity (2)', () => {
let config = {
future: { respectDefaultRingColorOpacity: true },
content: [{ raw: html`` }],
corePlugins: { preflight: false },
theme: {
ringColor: {
DEFAULT: '#ff7f7f00',
},
},
}
let input = css`
@tailwind base;
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
${defaults({ defaultRingColor: '#ff7f7f00' })}
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
`)
})
})
it('A bare ring-opacity utility is not supported when not using respectDefaultRingColorOpacity', () => {
let config = {
content: [{ raw: html`` }],
corePlugins: { preflight: false },
theme: {
ringOpacity: {
DEFAULT: '0.33',
},
},
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css``)
})
})
test('A bare ring-opacity utility is supported when using respectDefaultRingColorOpacity', () => {
let config = {
future: { respectDefaultRingColorOpacity: true },
content: [{ raw: html`` }],
corePlugins: { preflight: false },
theme: {
ringOpacity: {
DEFAULT: '0.33',
},
},
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
stable.expect(result.css).toMatchFormattedCss(css`
.ring-opacity {
--tw-ring-opacity: 0.33;
}
`)
// The opacity plugins are disabled by default in the `oxide` engine
oxide.expect(result.css).toMatchFormattedCss(css``)
})
})
it('Ring color utilities are generated when using respectDefaultRingColorOpacity', () => {
let config = {
future: { respectDefaultRingColorOpacity: true },
content: [{ raw: html`` }],
corePlugins: { preflight: false },
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
stable.expect(result.css).toMatchFormattedCss(css`
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
.ring-blue-500 {
--tw-ring-opacity: 1;
--tw-ring-color: rgb(59 130 246 / var(--tw-ring-opacity));
}
`)
oxide.expect(result.css).toMatchFormattedCss(css`
.ring {
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width)
var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width))
var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow),
var(--tw-shadow, 0 0 #0000);
}
.ring-blue-500 {
--tw-ring-color: #3b82f6;
}
`)
})
})
oxide.test.todo('should not crash when group names contain special characters')
stable.test('should not crash when group names contain special characters', () => {
let config = {
future: { respectDefaultRingColorOpacity: true },
content: [
{
raw: '',
},
],
corePlugins: { preflight: false },
}
let input = css`
@tailwind utilities;
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
.group\/\$\{id\}:hover .group-hover\/\$\{id\}\:visible {
visibility: visible;
}
`)
})
})
it('should not crash when matching variants where utility classes are doubled up', () => {
let config = {
content: [
{
raw: '',
},
],
}
let input = css`
@tailwind utilities;
@layer utilities {
.foo.foo {
text-decoration-line: underline;
}
}
`
return run(input, config).then((result) => {
expect(result.css).toMatchFormattedCss(css`
.hover\:foo:hover.hover\:foo:hover {
text-decoration-line: underline;
}
`)
})
})
test('detects quoted arbitrary values containing a slash', async () => {
let config = {
content: [
{
raw: html``,
},
],
}
let input = css`
@tailwind utilities;
`
let result = await run(input, config)
oxide.expect(result.css).toMatchFormattedCss(css`
.group[href^='/'] .group-\[\[href\^\=\'\/\'\]\]\:hidden {
display: none;
}
`)
stable.expect(result.css).toMatchFormattedCss(css`
.group[href^='/'] .group-\[\[href\^\=\'\/\'\]\]\:hidden {
display: none;
}
`)
})
test('handled quoted arbitrary values containing escaped spaces', async () => {
let config = {
content: [
{
raw: html``,
},
],
}
let input = css`
@tailwind utilities;
`
let result = await run(input, config)
oxide.expect(result.css).toMatchFormattedCss(css`
.group[href^=' bar'] .group-\[\[href\^\=\'_bar\'\]\]\:hidden {
display: none;
}
`)
stable.expect(result.css).toMatchFormattedCss(css`
.group[href^=' bar'] .group-\[\[href\^\=\'_bar\'\]\]\:hidden {
display: none;
}
`)
})
test('detects quoted arbitrary values containing a slash', async () => {
let config = {
content: [
{
raw: html``,
},
],
}
let input = css`
@tailwind utilities;
`
let result = await run(input, config)
expect(result.css).toMatchFormattedCss(
engine.oxide
? css`
.group[href^='/'] .group-\[\[href\^\=\'\/\'\]\]\:hidden {
display: none;
}
`
: css`
.group[href^='/'] .group-\[\[href\^\=\'\/\'\]\]\:hidden {
display: none;
}
`
)
})
test('handled quoted arbitrary values containing escaped spaces', async () => {
let config = {
content: [
{
raw: html``,
},
],
}
let input = css`
@tailwind utilities;
`
let result = await run(input, config)
expect(result.css).toMatchFormattedCss(
engine.oxide
? css`
.group[href^=' bar'] .group-\[\[href\^\=\'_bar\'\]\]\:hidden {
display: none;
}
`
: css`
.group[href^=' bar'] .group-\[\[href\^\=\'_bar\'\]\]\:hidden {
display: none;
}
`
)
})
test('Skips classes inside :not() when nested inside an at-rule', async () => {
let config = {
content: [
{
raw: html` `,
},
],
corePlugins: { preflight: false },
plugins: [
function ({ addUtilities }) {
addUtilities({
'.hand:not(.disabled)': {
'@supports (cursor: pointer)': {
cursor: 'pointer',
},
},
})
},
],
}
let input = css`
@tailwind utilities;
`
// We didn't find the hand class therefore
// nothing should be generated
let result = await run(input, config)
expect(result.css).toMatchFormattedCss(css``)
})
})
test('Irrelevant rules are removed when applying variants', async () => {
let config = {
content: [
{
raw: html` `,
},
],
corePlugins: { preflight: false },
plugins: [
function ({ addUtilities }) {
addUtilities({
'@supports (foo: bar)': {
// This doesn't contain `w-full` so it should not exist in the output
'.outer': { color: 'red' },
'.outer:is(.w-full)': { color: 'green' },
},
})
},
],
}
let input = css`
@tailwind utilities;
`
// We didn't find the hand class therefore
// nothing should be generated
let result = await run(input, config)
expect(result.css).toMatchFormattedCss(css`
@media (min-width: 768px) {
.md\:w-full {
width: 100%;
}
@supports (foo: bar) {
.outer.md\:w-full {
color: green;
}
}
}
`)
})