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migrate-prefix.test.ts — tailwindcss Source File

Architecture documentation for migrate-prefix.test.ts, a typescript file in the tailwindcss codebase. 5 imports, 0 dependents.

File typescript UpgradeToolkit 5 imports

Entity Profile

Dependency Diagram

graph LR
  14c5b5eb_ad93_c522_2553_30e94134dbf5["migrate-prefix.test.ts"]
  fff09679_e13c_392d_23bb_cebc04ddb008["version.ts"]
  14c5b5eb_ad93_c522_2553_30e94134dbf5 --> fff09679_e13c_392d_23bb_cebc04ddb008
  d13948d4_4434_bf78_9916_1ba327123c94["migrate-prefix.ts"]
  14c5b5eb_ad93_c522_2553_30e94134dbf5 --> d13948d4_4434_bf78_9916_1ba327123c94
  087d2224_9aa6_c6e5_3a75_d99cf251cb04["migratePrefix"]
  14c5b5eb_ad93_c522_2553_30e94134dbf5 --> 087d2224_9aa6_c6e5_3a75_d99cf251cb04
  92f2d961_72a4_d195_92d7_2e66972f8894["node"]
  14c5b5eb_ad93_c522_2553_30e94134dbf5 --> 92f2d961_72a4_d195_92d7_2e66972f8894
  696bd648_5f24_1b59_8e8b_7a97a692869e["vitest"]
  14c5b5eb_ad93_c522_2553_30e94134dbf5 --> 696bd648_5f24_1b59_8e8b_7a97a692869e
  style 14c5b5eb_ad93_c522_2553_30e94134dbf5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

import { __unstable__loadDesignSystem } from '@tailwindcss/node'
import { describe, expect, test, vi } from 'vitest'
import * as versions from '../../utils/version'
import { migratePrefix } from './migrate-prefix'
vi.spyOn(versions, 'isMajor').mockReturnValue(true)

describe('for projects with configured prefix', () => {
  test.each([
    ['tw-flex', 'tw:flex'],
    ['-tw-mr-4', 'tw:-mr-4'],
    ['!tw-flex', 'tw:flex!'],
    ['tw-text-red-500/50', 'tw:text-red-500/50'],

    // With variants
    ['hover:tw-flex', 'tw:hover:flex'],
    ['hover:-tw-mr-4', 'tw:hover:-mr-4'],
    ['hover:!tw-flex', 'tw:hover:flex!'],

    // Does not change un-prefixed candidates
    ['flex', 'flex'],
    ['hover:flex', 'hover:flex'],

    // Adds prefix to arbitrary candidates
    ['[color:red]', 'tw:[color:red]'],

    // `.group` and `.peer` classes
    ['tw-group', 'tw:group'],
    ['tw-group/foo', 'tw:group/foo'],
    ['tw-peer', 'tw:peer'],
    ['tw-peer/foo', 'tw:peer/foo'],
  ])('%s => %s', async (candidate, result) => {
    let designSystem = await __unstable__loadDesignSystem('@import "tailwindcss" prefix(tw);', {
      base: __dirname,
    })

    expect(migratePrefix(designSystem, { prefix: 'tw-' }, candidate)).toEqual(result)
  })
})

test('can handle complex prefix separators', async () => {
  let designSystem = await __unstable__loadDesignSystem('@import "tailwindcss" prefix(tw);', {
    base: __dirname,
  })

  expect(migratePrefix(designSystem, { prefix: 'tw__' }, 'tw__flex')).toEqual('tw:flex')
})

describe('for projects without configured prefix', () => {
  test('ignores candidates with prefixes', async () => {
    let designSystem = await __unstable__loadDesignSystem('@import "tailwindcss";', {
      base: __dirname,
    })

    expect(migratePrefix(designSystem, {}, 'tw-flex')).toEqual('tw-flex')
  })
})

Domain

Dependencies

Source

Frequently Asked Questions

What does migrate-prefix.test.ts do?
migrate-prefix.test.ts is a source file in the tailwindcss codebase, written in typescript. It belongs to the UpgradeToolkit domain.
What does migrate-prefix.test.ts depend on?
migrate-prefix.test.ts imports 5 module(s): migrate-prefix.ts, migratePrefix, node, version.ts, vitest.
Where is migrate-prefix.test.ts in the architecture?
migrate-prefix.test.ts is located at packages/@tailwindcss-upgrade/src/codemods/template/migrate-prefix.test.ts (domain: UpgradeToolkit, directory: packages/@tailwindcss-upgrade/src/codemods/template).

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