vue3-yuanma/packages/runtime-dom/__tests__/modules/style.spec.ts

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import { patchStyle } from '../../src/modules/style'
describe(`module style`, () => {
it('string', () => {
const el = document.createElement('div')
patchStyle(el, {}, 'color:red')
expect(el.style.cssText.replace(/\s/g, '')).toBe('color:red;')
})
it('plain object', () => {
const el = document.createElement('div')
patchStyle(el, {}, { color: 'red' })
expect(el.style.cssText.replace(/\s/g, '')).toBe('color:red;')
})
it('camelCase', () => {
const el = document.createElement('div')
patchStyle(el, {}, { marginRight: '10px' })
expect(el.style.cssText.replace(/\s/g, '')).toBe('margin-right:10px;')
})
it('remove if falsy value', () => {
const el = document.createElement('div')
patchStyle(el, { color: 'red' }, { color: null })
expect(el.style.cssText.replace(/\s/g, '')).toBe('')
})
it('!important', () => {
const el = document.createElement('div')
patchStyle(el, {}, { color: 'red !important' })
expect(el.style.cssText.replace(/\s/g, '')).toBe('color:red!important;')
})
it('camelCase with !important', () => {
const el = document.createElement('div')
patchStyle(el, {}, { marginRight: '10px !important' })
expect(el.style.cssText.replace(/\s/g, '')).toBe(
'margin-right:10px!important;'
)
})
it('object with multiple entries', () => {
const el = document.createElement('div')
patchStyle(el, {}, { color: 'red', marginRight: '10px' })
expect(el.style.getPropertyValue('color')).toBe('red')
expect(el.style.getPropertyValue('margin-right')).toBe('10px')
})
})