/
css.spec.ts
209 lines (183 loc) · 5.37 KB
/
css.spec.ts
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import { cssUrlRE, cssPlugin, hoistAtRules } from '../../plugins/css'
import { resolveConfig } from '../../config'
import fs from 'fs'
import path from 'path'
import { describe, vi, test, expect } from 'vitest'
describe('search css url function', () => {
test('some spaces before it', () => {
expect(
cssUrlRE.test("list-style-image: url('../images/bullet.jpg');")
).toBe(true)
})
test('no space after colon', () => {
expect(cssUrlRE.test("list-style-image:url('../images/bullet.jpg');")).toBe(
true
)
})
test('at the beginning of line', () => {
expect(cssUrlRE.test("url('../images/bullet.jpg');")).toBe(true)
})
test('as suffix of a function name', () => {
expect(
cssUrlRE.test(`@function svg-url($string) {
@return "";
}`)
).toBe(false)
})
test('after parenthesis', () => {
expect(
cssUrlRE.test(
'mask-image: image(url(mask.png), skyblue, linear-gradient(rgba(0, 0, 0, 1.0), transparent));'
)
).toBe(true)
})
test('after comma', () => {
expect(
cssUrlRE.test(
'mask-image: image(skyblue,url(mask.png), linear-gradient(rgba(0, 0, 0, 1.0), transparent));'
)
).toBe(true)
})
})
describe('css path resolutions', () => {
const mockedProjectPath = path.join(process.cwd(), '/foo/bar/project')
const mockedBarCssRelativePath = '/css/bar.module.css'
const mockedFooCssRelativePath = '/css/foo.module.css'
test('cssmodule compose/from path resolutions', async () => {
const config = await resolveConfig(
{
resolve: {
alias: [
{
find: '@',
replacement: mockedProjectPath
}
]
}
},
'serve'
)
const { transform, buildStart } = cssPlugin(config)
await buildStart.call({})
const mockFs = vi
.spyOn(fs, 'readFile')
// @ts-ignore jest.spyOn not recognize overrided `fs.readFile` definition.
.mockImplementationOnce((p, encoding, callback) => {
expect(p).toBe(path.join(mockedProjectPath, mockedBarCssRelativePath))
expect(encoding).toBe('utf-8')
callback(
null,
Buffer.from(`
.bar {
display: block;
background: #f0f;
}
`)
)
})
const { code } = await transform.call(
{
addWatchFile() {
return
}
},
`
.foo {
position: fixed;
composes: bar from '@${mockedBarCssRelativePath}';
}
`,
path.join(mockedProjectPath, mockedFooCssRelativePath)
)
expect(code).toBe(`
._bar_soicv_2 {
display: block;
background: #f0f;
}
._foo_sctn3_2 {
position: fixed;
}
`)
mockFs.mockReset()
})
})
describe('hoist @ rules', () => {
test('hoist @import', async () => {
const css = `.foo{color:red;}@import "bla";`
const result = await hoistAtRules(css)
expect(result).toBe(`@import "bla";.foo{color:red;}`)
})
test('hoist @import url with semicolon', async () => {
const css = `.foo{color:red;}@import url("bla;bla");`
const result = await hoistAtRules(css)
expect(result).toBe(`@import url("bla;bla");.foo{color:red;}`)
})
test('hoist @import url data with semicolon', async () => {
const css = `.foo{color:red;}@import url(data:image/png;base64,iRxVB0);`
const result = await hoistAtRules(css)
expect(result).toBe(
`@import url(data:image/png;base64,iRxVB0);.foo{color:red;}`
)
})
test('hoist @import with semicolon in quotes', async () => {
const css = `.foo{color:red;}@import "bla;bar";`
const result = await hoistAtRules(css)
expect(result).toBe(`@import "bla;bar";.foo{color:red;}`)
})
test('hoist @charset', async () => {
const css = `.foo{color:red;}@charset "utf-8";`
const result = await hoistAtRules(css)
expect(result).toBe(`@charset "utf-8";.foo{color:red;}`)
})
test('hoist one @charset only', async () => {
const css = `.foo{color:red;}@charset "utf-8";@charset "utf-8";`
const result = await hoistAtRules(css)
expect(result).toBe(`@charset "utf-8";.foo{color:red;}`)
})
test('hoist @import and @charset', async () => {
const css = `.foo{color:red;}@import "bla";@charset "utf-8";.bar{color:green;}@import "baz";`
const result = await hoistAtRules(css)
expect(result).toBe(
`@charset "utf-8";@import "bla";@import "baz";.foo{color:red;}.bar{color:green;}`
)
})
test('dont hoist @import in comments', async () => {
const css = `.foo{color:red;}/* @import "bla"; */@import "bar";`
const result = await hoistAtRules(css)
expect(result).toBe(`@import "bar";.foo{color:red;}/* @import "bla"; */`)
})
test('dont hoist @charset in comments', async () => {
const css = `.foo{color:red;}/* @charset "utf-8"; */@charset "utf-8";`
const result = await hoistAtRules(css)
expect(result).toBe(
`@charset "utf-8";.foo{color:red;}/* @charset "utf-8"; */`
)
})
test('dont hoist @import and @charset in comments', async () => {
const css = `
.foo{color:red;}
/*
@import "bla";
*/
@charset "utf-8";
/*
@charset "utf-8";
@import "bar";
*/
@import "baz";
`
const result = await hoistAtRules(css)
expect(result).toBe(
`@charset "utf-8";@import "baz";
.foo{color:red;}
/*
@import "bla";
*/
/*
@charset "utf-8";
@import "bar";
*/
`
)
})
})