Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

feat: support media query #42

Draft
wants to merge 1 commit into
base: main
Choose a base branch
from
+85 −40
Draft

feat: support media query #42

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
55 changes: 38 additions & 17 deletions src/index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@ export interface PresetThemeOptions<Theme extends Record<string, any>> {
* Multiple themes
*/
theme: Record<string, Theme>
/**
* Themes for different media queries
*/
mediaThemes?: Record<string, Theme>
/**
* The prefix of the generated css variables
* @default --un-preset-theme
Expand All @@ -38,8 +42,17 @@ interface ThemeValue {
name: string
}

const defaultBreakpoints = {
'sm': '640px',
'md': '768px',
'lg': '1024px',
'xl': '1280px',
'2xl': '1536px',

}

export function presetTheme<T extends Record<string, any>>(options: PresetThemeOptions<T>): Preset<T> {
const { prefix = '--un-preset-theme', theme } = options
const { prefix = '--un-preset-theme', theme, mediaThemes = {} } = options
const selectors: Selectors = { light: ':root', ...options.selectors }
if (!theme.light)
theme.light = {} as T
Expand Down Expand Up @@ -151,26 +164,34 @@ export function presetTheme<T extends Record<string, any>>(options: PresetThemeO
{
layer: 'theme',
async getCSS(context) {
const { css } = await context.generator.generate(
// Add Date.now() to avoid cache
keys.map(key => `${defaultThemeNames.includes(key) ? `${key}:` : ''}${PRESET_THEME_RULE}:${key}:${Date.now()}`),
{ preflights: false },
)
return css.split('\n').slice(1).map((line, index, lines) => {
const prevLine = index > 0 ? lines[index - 1] : ''
if (prevLine.includes('@media')) {
// convert .light{} to :root{}
line = line.replace(/.*?{/, ':root{')
}
else {
// convert .light .themename{} to .themename{}
line = line.replace(/\..*?\s(.*\{)/, '$1')
let cssOutput = ''
for (const key of keys) {
const { css } = await context.generator.generate(
`${defaultThemeNames.includes(key) ? `${key}:` : ''}${PRESET_THEME_RULE}:${key}:${Date.now()}`,
{ preflights: false },
)
const cssLines = css.split('\n').slice(1)
for (const mediaKey of Object.keys(mediaThemes)) {
const mediaCssLines = cssLines.map((line) => {
const prevLine = cssLines[cssLines.indexOf(line) - 1] || ''
if (prevLine.includes('@media')) {
// convert .light{} to :root{}
line = line.replace(/.*?{/, ':root{')
}
else {
// convert .light .themename{} to .themename{}
line = line.replace(/\..*?\s(.*\{)/, '$1')
}
return `@media (min-width: ${(defaultBreakpoints as any)[mediaKey]}) { ${line} }`
}).join('\n')
cssOutput += mediaCssLines
}
return line
}).join('\n')
}
return cssOutput
},
},
],

postprocess(util) {
util.entries.forEach(([, val]) => {
if (typeof val === 'string') {
Expand Down
Loading