compileStyle.spec.ts
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import { parse } from '../src/parse'
import { compileStyle, compileStyleAsync } from '../src/compileStyle'
test('preprocess less', () => {
const style = parse({
source:
'<style lang="less">\n' +
'@red: rgb(255, 0, 0);\n' +
'.color { color: @red; }\n' +
'</style>\n',
filename: 'example.vue',
sourceMap: true
}).styles[0]
const result = compileStyle({
id: 'v-scope-xxx',
filename: 'example.vue',
source: style.content,
map: style.map,
scoped: false,
preprocessLang: style.lang
})
expect(result.errors.length).toBe(0)
expect(result.code).toEqual(expect.stringContaining('color: #ff0000;'))
expect(result.map).toBeTruthy()
})
test('preprocess scss', () => {
const style = parse({
source:
'<style lang="scss">\n' +
'$red: red;\n' +
'.color { color: $red; }\n' +
'</style>\n',
filename: 'example.vue',
sourceMap: true
}).styles[0]
const result = compileStyle({
id: 'v-scope-xxx',
filename: 'example.vue',
source: style.content,
map: style.map,
scoped: false,
preprocessLang: style.lang
})
expect(result.errors.length).toBe(0)
expect(result.code).toMatch('color: red;')
expect(result.map).toBeTruthy()
})
test('preprocess sass', () => {
const style = parse({
source:
'<style lang="sass">\n' +
'$red: red\n' +
'.color\n' +
' color: $red\n' +
'</style>\n',
filename: 'example.vue',
sourceMap: true
}).styles[0]
const result = compileStyle({
id: 'v-scope-xxx',
filename: 'example.vue',
source: style.content,
map: style.map,
scoped: false,
preprocessLang: style.lang
})
expect(result.errors.length).toBe(0)
expect(result.code).toMatch('color: red;')
expect(result.map).toBeTruthy()
})
test('preprocess stylus', () => {
const style = parse({
source:
'<style lang="styl">\n' +
'red-color = rgb(255, 0, 0);\n' +
'.color\n' +
' color: red-color\n' +
'</style>\n',
filename: 'example.vue',
sourceMap: true
}).styles[0]
const result = compileStyle({
id: 'v-scope-xxx',
filename: 'example.vue',
source: style.content,
map: style.map,
scoped: false,
preprocessLang: style.lang
})
expect(result.errors.length).toBe(0)
expect(result.code).toEqual(expect.stringContaining('color: #f00;'))
expect(result.map).toBeTruthy()
})
test('custom postcss plugin', () => {
const spy = vi.fn()
compileStyle({
id: 'v-scope-xxx',
filename: 'example.vue',
source: '.foo { color: red }',
scoped: false,
postcssPlugins: [require('postcss').plugin('test-plugin', () => spy)()]
})
expect(spy).toHaveBeenCalled()
})
test('custom postcss options', () => {
const result = compileStyle({
id: 'v-scope-xxx',
filename: 'example.vue',
source: '.foo { color: red }',
scoped: false,
postcssOptions: { random: 'foo' }
})
expect((result.rawResult as any).opts.random).toBe('foo')
})
test('async postcss plugin in sync mode', () => {
const result = compileStyle({
id: 'v-scope-xxx',
filename: 'example.vue',
source: '.foo { color: red }',
scoped: false,
postcssPlugins: [
require('postcss').plugin(
'test-plugin',
() => async (result: any) => result
)
]
})
expect(result.errors).toHaveLength(1)
})
test('async postcss plugin', async () => {
const promise = compileStyleAsync({
id: 'v-scope-xxx',
filename: 'example.vue',
source: '.foo { color: red }',
scoped: false,
postcssPlugins: [
require('postcss').plugin(
'test-plugin',
() => async (result: any) => result
)
]
})
expect(promise instanceof Promise).toBe(true)
const result = await promise
expect(result.errors).toHaveLength(0)
expect(result.code).toEqual(expect.stringContaining('color: red'))
})
test('media query', () => {
const result = compileStyle({
id: 'v-scope-xxx',
scoped: true,
filename: 'example.vue',
source: `
@media print {
.foo {
color: #000;
}
}`
})
expect(result.errors).toHaveLength(0)
expect(result.code).toContain(
'@media print {\n.foo[v-scope-xxx] {\n color: #000;\n}\n}'
)
})
test('supports query', () => {
const result = compileStyle({
id: 'v-scope-xxx',
scoped: true,
filename: 'example.vue',
source: `
@supports ( color: #000 ) {
.foo {
color: #000;
}
}`
})
expect(result.errors).toHaveLength(0)
expect(result.code).toContain(
'@supports ( color: #000 ) {\n.foo[v-scope-xxx] {\n color: #000;\n}\n}'
)
})