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custom-extractors.test.js
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custom-extractors.test.js
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const postcss = require('postcss')
const fs = require('fs')
const path = require('path')
function run(input, config = {}) {
jest.resetModules()
const tailwind = require('../index.js')
return postcss(tailwind(config)).process(input, { from: path.resolve(__filename) })
}
function customExtractor(content) {
const matches = content.match(/class="([^"]+)"/)
return matches ? matches[1].split(/\s+/) : []
}
const css = `
@tailwind base;
@tailwind components;
@tailwind utilities;
`
const expectedPath = path.resolve(__dirname, './custom-extractors.test.css')
const expected = fs.readFileSync(expectedPath, 'utf8')
test('defaultExtractor', () => {
let config = {
purge: {
content: [path.resolve(__dirname, './custom-extractors.test.html')],
options: {
defaultExtractor: customExtractor,
},
},
corePlugins: { preflight: false },
theme: {},
plugins: [],
}
return run(css, config).then((result) => {
expect(result.css).toMatchFormattedCss(expected)
})
})
test('extractors array', () => {
let config = {
purge: {
content: [path.resolve(__dirname, './custom-extractors.test.html')],
options: {
extractors: [
{
extractor: customExtractor,
extensions: ['html'],
},
],
},
},
corePlugins: { preflight: false },
theme: {},
plugins: [],
}
return run(css, config).then((result) => {
expect(result.css).toMatchFormattedCss(expected)
})
})