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format.test.js
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const { t, yes, no, format } = require('./utils')
let html = [
t`<div class="${yes}"></div>`,
t`<!-- <div class="${no}"></div> -->`,
t`<div class="${no} {{ 'p-0 sm:p-0 m-0' }}"></div>`,
t`<div not-class="${no}"></div>`,
['<div class=" sm:p-0 p-0 "></div>', '<div class="p-0 sm:p-0"></div>'],
t`<div class></div>`,
t`<div class=""></div>`,
]
let css = [
t`@apply ${yes};`,
t`/* @apply ${no}; */`,
t`@not-apply ${no};`,
['@apply sm:p-0\n p-0;', '@apply p-0\n sm:p-0;'],
]
let javascript = [
t`;<div class="${yes}" />`,
t`/* <div class="${no}" /> */`,
t`// <div class="${no}" />`,
t`;<div not-class="${no}" />`,
t`;<div class={\`${yes}\`} />`,
t`;<div class={\`${yes} \${'${yes}'} \${'${yes}' ? '${yes}' : '${yes}'}\`} />`,
t`;<div class={'${yes}'} />`,
t`;<div class={'${yes}' + '${yes}'} />`,
t`;<div class={'${yes}' ? '${yes}' + '${yes}' : '${yes}'} />`,
t`;<div class={clsx('${yes}', ['${yes}'])} />`,
t`;<div class={clsx({ '${yes}': '${yes}' })} />`,
t`;<div class={{ '${yes}': '${yes}' }['${yes}']} />`,
t`;<div class />`,
t`;<div class="" />`,
[
`;<div class={\`sm:block inline flex\${someVar}\`} />`,
`;<div class={\`inline sm:block flex\${someVar}\`} />`,
],
[
`;<div class={\`\${someVar}sm:block md:inline flex\`} />`,
`;<div class={\`\${someVar}sm:block flex md:inline\`} />`,
],
[
`;<div class={\`sm:p-0 p-0 \${someVar}sm:block md:inline flex\`} />`,
`;<div class={\`p-0 sm:p-0 \${someVar}sm:block flex md:inline\`} />`,
],
[
`;<div class="block px-1\u3000py-2" />`,
`;<div class="px-1\u3000py-2 block" />`,
],
]
javascript = javascript.concat(
javascript.map((test) => test.map((t) => t.replace(/class/g, 'className'))),
)
let vue = [
...html,
t`<div :class="'${yes}'"></div>`,
t`<!-- <div :class="'${no}'"></div> -->`,
t`<div :class></div>`,
t`<div :class=""></div>`,
t`<div :class="'${yes}' + '${yes}'"></div>`,
t`<div :class="['${yes}', '${yes}']"></div>`,
t`<div :class="[cond ? '${yes}' : '${yes}']"></div>`,
t`<div :class="[someVar ?? '${yes}']"></div>`,
t`<div :class="{ '${yes}': true }"></div>`,
t`<div :class="clsx('${yes}')"></div>`,
t`<div :class="\`${yes}\`"></div>`,
t`<div :class="\`${yes} \${someVar}\`"></div>`,
t`<div :class="someVar! ? \`${yes}\` : \`${yes}\`"></div>`, // ts
t`<div :class="someVar ? someFunc(someVar as string) + '${yes}' : ''"></div>`, // ts
[
`<div :class="\`sm:block inline flex\${someVar}\`"></div>`,
`<div :class="\`inline sm:block flex\${someVar}\`"></div>`,
],
[
`<div :class="\`\${someVar}sm:block md:inline flex\`"></div>`,
`<div :class="\`\${someVar}sm:block flex md:inline\`"></div>`,
],
[
`<div :class="\`sm:p-0 p-0 \${someVar}sm:block md:inline flex\`"></div>`,
`<div :class="\`p-0 sm:p-0 \${someVar}sm:block flex md:inline\`"></div>`,
],
]
let glimmer = [
t`<div class='${yes}'></div>`,
t`<!-- <div class='${no}'></div> -->`,
t`<div class='${yes} {{"${yes}"}}'></div>`,
t`<div class='${yes} {{"${yes}"}} ${yes}'></div>`,
t`<div class='${yes} {{"${yes}"}} {{if someVar "${yes}" "${yes}"}}'></div>`,
t`<div class='${yes} {{"${yes}"}} {{if someVar "${yes}" "${yes}"}}' {{if someVar "attr='${no}'" "attr='${no}'"}}></div>`,
[
`<div class='md:inline flex sm:block{{someVar}}'></div>`,
`<div class='flex md:inline sm:block{{someVar}}'></div>`,
],
[
`<div class='sm:p-0 p-0 {{someVar}}sm:block md:inline flex'></div>`,
`<div class='p-0 sm:p-0 {{someVar}}sm:block flex md:inline'></div>`,
],
t`<div not-class='${no}'></div>`,
["<div class=' sm:p-0 p-0 '></div>", "<div class='p-0 sm:p-0'></div>"],
t`<div class></div>`,
t`<div class=''></div>`,
t`{{link 'Some page' href=person.url class='${no}'}}`,
t`<div class='{{if @isTrue (concat "border-l-4 border-" @borderColor)}}'></div>`,
[
`<div class='{{if @isTrue (concat "border-opacity-30 border-l-4 border-" @borderColor)}}'></div>`,
`<div class='{{if @isTrue (concat "border-l-4 border-opacity-30 border-" @borderColor)}}'></div>`,
],
[
`<div class='{{if @isTrue (concat "border-l-4 border " @borderColor)}}'></div>`,
`<div class='{{if @isTrue (concat "border border-l-4 " @borderColor)}}'></div>`,
],
[
`<div class='{{if @isTrue (nope "border-l-4 border-" @borderColor)}}'></div>`,
`<div class='{{if @isTrue (nope "border- border-l-4" @borderColor)}}'></div>`,
],
]
let tests = {
html,
glimmer,
lwc: html,
vue: [
...vue,
t`<div :class="\`${yes} \${someVar} ${yes} \${'${yes}'}\`"></div>`,
],
angular: [
...html,
t`<div [ngClass]="'${yes}'"></div>`,
t`<!-- <div [ngClass]="'${no}'"></div> -->`,
t`<div [ngClass]></div>`,
t`<div [ngClass]=""></div>`,
t`<div [ngClass]="'${yes}' + '${yes}'"></div>`,
t`<div [ngClass]="['${yes}', '${yes}']"></div>`,
t`<div [ngClass]="[cond ? '${yes}' : '${yes}']"></div>`,
t`<div [ngClass]="[someVar ?? '${yes}']"></div>`,
t`<div [ngClass]="{ '${yes}': true }"></div>`,
t`<div [ngClass]="clsx('${yes}')"></div>`,
t`<div [ngClass]="{ '${yes}': (some.thing | urlPipe: { option: true } | async), '${yes}': true }"></div>`,
t`<div [ngClass]="{ '${yes}': foo && bar?.['baz'] }" class="${yes}"></div>`,
// TODO: Enable this test — it causes console noise but not a failure
// t`<div [ngClass]="{ '${no}': foo && definitely&a:syntax*error }" class="${yes}"></div>`,
],
css: [...css, t`@apply ${yes} !important;`],
scss: [
...css,
t`@apply ${yes} #{!important};`,
t`@apply ${yes} #{'!important'};`,
t`@apply ${yes} #{"!important"};`,
// These shouldn't ever be used but they are valid
// syntax so we might as well not break them
t`@apply ${yes} #{""!important""};`,
t`@apply ${yes} #{'''!important'''};`,
t`@apply ${yes} #{"'"'"!important"'"'"};`,
],
less: [...css, t`@apply ${yes} !important;`],
babel: javascript,
typescript: javascript,
'babel-ts': javascript,
flow: javascript,
'babel-flow': javascript,
acorn: javascript,
meriyah: javascript,
mdx: javascript
.filter((test) => !test.find((t) => /^\/\*/.test(t)))
.map((test) => test.map((t) => t.replace(/^;/, ''))),
}
describe('parsers', () => {
for (let parser in tests) {
test(parser, async () => {
for (let [input, expected] of tests[parser]) {
expect(await format(input, { parser })).toEqual(expected)
}
})
}
})
describe('other', () => {
test('non-tailwind classes', async () => {
expect(
await format('<div class="sm:lowercase uppercase potato text-sm"></div>'),
).toEqual('<div class="potato text-sm uppercase sm:lowercase"></div>')
})
test('parasite utilities', async () => {
expect(
await format(
'<div class="group peer unknown-class p-0 container"></div>',
),
).toEqual('<div class="unknown-class group peer container p-0"></div>')
})
})