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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 CommandLineInterface 5 imports

Entity Profile

Dependency Diagram

graph LR
  3fb6e8d3_05d9_63e2_c1c9_76cdf725f56a["migrate-prefix.test.ts"]
  472e1b98_afcf_f1f2_ad91_916d742bb731["version.ts"]
  3fb6e8d3_05d9_63e2_c1c9_76cdf725f56a --> 472e1b98_afcf_f1f2_ad91_916d742bb731
  e4e5ac2c_0d58_689d_0ad6_7086823787f1["migrate-prefix.ts"]
  3fb6e8d3_05d9_63e2_c1c9_76cdf725f56a --> e4e5ac2c_0d58_689d_0ad6_7086823787f1
  7a457be5_eaef_02ce_7bc4_4e0317ecd8ce["migratePrefix"]
  3fb6e8d3_05d9_63e2_c1c9_76cdf725f56a --> 7a457be5_eaef_02ce_7bc4_4e0317ecd8ce
  08129f89_e6ef_0092_629d_821c60228c89["node"]
  3fb6e8d3_05d9_63e2_c1c9_76cdf725f56a --> 08129f89_e6ef_0092_629d_821c60228c89
  f1e05e5f_c1b2_a3f5_b2e8_3317b9243ac3["vitest"]
  3fb6e8d3_05d9_63e2_c1c9_76cdf725f56a --> f1e05e5f_c1b2_a3f5_b2e8_3317b9243ac3
  style 3fb6e8d3_05d9_63e2_c1c9_76cdf725f56a 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 CommandLineInterface 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: CommandLineInterface, directory: packages/@tailwindcss-upgrade/src/codemods/template).

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