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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -37,6 +37,6 @@ | |
| "stub": "unbuild --stub" | ||
| }, | ||
| "dependencies": { | ||
| "@unocss/core": "^0.45.7" | ||
| "@unocss/core": "^0.45.13" | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| import type { UnocssPluginContext } from 'unocss' | ||
| import type { TransformerAppletOptions } from './types' | ||
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| export async function compileApplet(body: string, ctx: UnocssPluginContext, options: TransformerAppletOptions = {}): Promise<string[]> { | ||
| const { | ||
| classPrefix = 'uno-', | ||
| hashFn = hash, | ||
| layer = 'applet_shortcuts', | ||
| } = options | ||
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| const { uno, tokens } = ctx | ||
| const replacements = [] | ||
| const result = await Promise.all(body.split(/\s+/).filter(Boolean).map(async i => [i, !!await uno.parseToken(i)] as const)) | ||
| const known = result.filter(([, matched]) => matched).map(([i]) => i) | ||
| const unknown = result.filter(([, matched]) => !matched).map(([i]) => i) | ||
| replacements.push(...unknown) | ||
| body = known.join(' ') | ||
| if (body) { | ||
| const hash = hashFn(body) | ||
| const className = `${classPrefix}${hash}` | ||
| replacements.unshift(className) | ||
| uno.config.shortcuts.push([className, body, { layer }]) | ||
| tokens.add(className) | ||
| } | ||
| return replacements | ||
| } | ||
|
|
||
| export function hash(str: string) { | ||
| let i; let l | ||
| let hval = 0x811C9DC5 | ||
|
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||
| for (i = 0, l = str.length; i < l; i++) { | ||
| hval ^= str.charCodeAt(i) | ||
| hval += (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24) | ||
| } | ||
| return (`00000${(hval >>> 0).toString(36)}`).slice(-6) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| import type { SourceCodeTransformer } from 'unocss' | ||
| import MagicString from 'magic-string' | ||
| import type { TransformerAppletOptions } from './types' | ||
| import { compileApplet } from './compile' | ||
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|
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| export default function transformerApplet(options: TransformerAppletOptions = {}): SourceCodeTransformer { | ||
| // Regular expression of characters to be escaped | ||
| const charReg = /[.:%!#()[\/\],]/ | ||
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| const classRE = /:?(hover-)?class=\".*?\"/g | ||
| const string1RE = /([']).*?(['])/g | ||
| const string2RE = /([\`]).*?([\`])/g | ||
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| return { | ||
| name: 'transformer-applet', | ||
| enforce: 'pre', | ||
| async transform(s, _, ctx) { | ||
| const code = new MagicString(s.toString()) | ||
| // process class | ||
| const classMatches = [...code.original.matchAll(classRE)] | ||
| for (const match of classMatches) { | ||
| // skip `... ? ... : ...` | ||
| if (/\?.*:/g.test(match[0])) | ||
| continue | ||
|
|
||
| // skip `... : ...` | ||
| if (/{.+:.+}/g.test(match[0])) | ||
| continue | ||
|
|
||
| const start = match.index! | ||
| const matchSplit = match[0].split('class=') | ||
|
|
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| const body = matchSplit[1].slice(1, -1) | ||
|
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| if (charReg.test(body)) { | ||
| const replacements = await compileApplet(body, ctx, options) | ||
| code.overwrite(start, start + match[0].length, `${matchSplit[0]}class="${replacements.join(' ')}"`) | ||
| } | ||
| } | ||
|
|
||
| // process string1 | ||
| const string1Matches = [...code.original.matchAll(string1RE)] | ||
| for (const match of string1Matches) { | ||
| // There may be no need | ||
| // https://tailwindcss.com/docs/background-image#arbitrary-values | ||
| // skip all the image formats in HTML for bg-[url('...')] | ||
| if (/\.(png|jpg|jpeg|gif|svg)/g.test(match[0])) | ||
| continue | ||
| // skip http(s):// | ||
| if (/http(s)?:\/\//g.test(match[0])) | ||
| continue | ||
|
|
||
| const start = match.index! | ||
| const body = match[0].slice(1, -1) | ||
| if (charReg.test(body)) { | ||
| const replacements = await compileApplet(body, ctx, options) | ||
| code.overwrite(start, start + match[0].length, `'${replacements.join(' ')}'`) | ||
| } | ||
| } | ||
|
|
||
| // process string2 | ||
| const string2Matches = [...code.original.matchAll(string2RE)] | ||
| for (const match of string2Matches) { | ||
| // skip `${...}` | ||
| if (/\$\{.*\}/g.test(match[0])) | ||
| continue | ||
|
|
||
| const start = match.index! | ||
| const body = match[0].slice(1, -1) | ||
| if (charReg.test(body)) { | ||
| const replacements = await compileApplet(body, ctx, options) | ||
| code.overwrite(start, start + match[0].length, `'${replacements.join(' ')}'`) | ||
| } | ||
| } | ||
| s.overwrite(0, s.original.length, code.toString()) | ||
| }, | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| export interface TransformerAppletOptions { | ||
| /** | ||
| * Prefix for compile class name | ||
| * @default 'uno-' | ||
| */ | ||
| classPrefix?: string | ||
|
|
||
| /** | ||
| * Hash function | ||
| */ | ||
| hashFn?: (str: string) => string | ||
|
|
||
| /** | ||
| * The layer name of generated rules | ||
| * @default 'applet_shortcuts' | ||
| */ | ||
| layer?: string | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| # @unocss-applet/transformer-attributify | ||
|
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| Attributify Mode for [UnoCSS](https://github.com/unocss/unocss). | ||
|
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| ## Instal | ||
|
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| ```bash | ||
| npm i @unocss-applet/transformer-attributify --save-dev # with npm | ||
| yarn add @unocss-applet/transformer-attributify -D # with yarn | ||
| pnpm add @unocss-applet/transformer-attributify -D # with pnpm | ||
| ``` | ||
|
|
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|
|
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| ## License | ||
|
|
||
| MIT License © 2022-PRESENT [Neil Lee](https://github.com/zguolee) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| import { defineBuildConfig } from 'unbuild' | ||
|
|
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| export default defineBuildConfig({ | ||
| entries: [ | ||
| 'src/index', | ||
| ], | ||
| clean: true, | ||
| declaration: true, | ||
| externals: [ | ||
| 'magic-string', | ||
| 'unocss', | ||
| ], | ||
| rollup: { | ||
| emitCJS: true, | ||
| }, | ||
| }) |
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