/
custom-transformers.test.js
93 lines (84 loc) · 2.07 KB
/
custom-transformers.test.js
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import postcss from 'postcss'
import path from 'path'
function run(input, config = {}) {
jest.resetModules()
const tailwind = require('../../src/jit/index.js').default
return postcss(tailwind(config)).process(input, {
from: path.resolve(__filename),
})
}
function customTransformer(content) {
return content.replace(/uppercase/g, 'lowercase')
}
const css = `
@tailwind base;
@tailwind components;
@tailwind utilities;
`
test('transform function', () => {
let config = {
mode: 'jit',
purge: {
content: [{ raw: '<div class="uppercase"></div>' }],
transform: customTransformer,
},
corePlugins: { preflight: false, borderColor: false, ringWidth: false, boxShadow: false },
theme: {},
plugins: [],
}
return run(css, config).then((result) => {
expect(result.css).toMatchFormattedCss(`
.lowercase {
text-transform: lowercase;
}
`)
})
})
test('transform.DEFAULT', () => {
let config = {
mode: 'jit',
purge: {
content: [{ raw: '<div class="uppercase"></div>' }],
transform: {
DEFAULT: customTransformer,
},
},
corePlugins: { preflight: false, borderColor: false, ringWidth: false, boxShadow: false },
theme: {},
plugins: [],
}
return run(css, config).then((result) => {
expect(result.css).toMatchFormattedCss(`
.lowercase {
text-transform: lowercase;
}
`)
})
})
test('transform.{extension}', () => {
let config = {
mode: 'jit',
purge: {
content: [
{ raw: '<div class="uppercase"></div>', extension: 'html' },
{ raw: '<div class="uppercase"></div>', extension: 'php' },
],
transform: {
html: customTransformer,
},
},
corePlugins: { preflight: false, borderColor: false, ringWidth: false, boxShadow: false },
theme: {},
plugins: [],
}
return run(css, config).then((result) => {
expect(result.css).toMatchFormattedCss(`
.uppercase {
text-transform: uppercase;
}
.lowercase {
text-transform: lowercase;
}
`)
})
})