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Alternate between common files using pre-defined regexp. Just map the patterns and starting navigating between files that are related.

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telescope-alternate

Alternate between common files using pre-defined regexp. Just map the patterns and starting navigating between files that are related.

Telescope alternate also can create files when it is missing (including files with regexp at destination)

NOTE: This fork (iofusion/telescope-alternate.nvim) supports switching directly to multiple alternates, and includes an example for Ember's default layout.

demo

Installation

Packer

use { "otavioschwanck/telescope-alternate" }

Setup Example

require('telescope-alternate').setup({
    mappings = {
      { 'app/services/(.*)_services/(.*).rb', { -- alternate from services to contracts / models
        { 'app/contracts/[1]_contracts/[2].rb', 'Contract' }, -- Adding label to switch
        { 'app/models/**/*[1].rb', 'Model', true }, -- Ignore create entry (with true)
      } },
      { 'app/contracts/(.*)_contracts/(.*).rb', { { 'app/services/[1]_services/[2].rb', 'Service' } } }, -- from contracts to services
      -- Search anything on helper folder that contains pluralize version of model.
      --Example: app/models/user.rb -> app/helpers/foo/bar/my_users_helper.rb
      { 'app/models/(.*).rb', { { 'db/helpers/**/*[1:pluralize]*.rb', 'Helper' } } },
      { 'app/**/*.rb', { { 'spec/[1].rb', 'Test' } } }, -- Alternate between file and test
    },
    presets = { 'rails', 'rspec', 'nestjs' }, -- Telescope pre-defined mapping presets
    transformers = { -- custom transformers
      change_to_uppercase = function(w) return my_uppercase_method(w) end
    }
  })

-- On your telescope:
require('telescope').load_extension('telescope-alternate')


-- You alternatively can call the setup inside telescope:
require('telescope').setup{
  extensions = {
    ["telescope-alternate"] = {
      mappings = {
        ...your mappings
      },
      presets = { 'rails', 'nestjs' }
    },
  },
}

-- You also can use the verbose way to mapping:
mappings = {
  { pattern = 'app/services/(.*)_services/(.*).rb', targets = {
      { template =  'app/contracts/[1]_contracts/[2].rb', label = 'Contract', enable_new = true }
    }
  },
  { pattern = 'app/contracts/(.*)_contracts/(.*).rb', targets = {
      { template =  'app/services/[1]_services/[2].rb', label = 'Service', enable_new = true }
    }
  },
}

Running telescope alternate

To run alternate, just type:

:Telescope telescope-alternate alternate_file

How to use?

Inside mappings, the syntax is:

{ 'current-file', { { 'destination', 'label', ignoreCreate (true or false) } } }

Each current-file can have multiple destinations.

On current-file, each (.*) is a match.

On destination, each [1], [2], [3] is the text matched text of current-file (by order)

You can run some transformers on the destination, using :function-name, example: [1:singularize] or [1:singularize,camel_to_kebap]

The available functions are:

Function Name Description
camel_to_kebap userName -> user-name
kebap_to_camel user-name -> userName
pluralize userName -> userNames
singularize userNames -> userName

Example:

{ 'app/models/(.*).rb', {
  { 'db/helpers/**/*[1]*.rb', 'Helper' } },
  { 'app/controllers/**/*[1:pluralize]_controller.rb', 'Controller' } },
},

Switch directly to one of multiple alternates

This fork adds support for switching directly to one of multiple alternates by including a focus option when opening this extension. The focus option matches with a nested mappings object in the same format as the standard mappings documented above. The standard mappings have been moved to mappings.all, and might be useful for splits/tabs or peeking. Each of the nested focus mapping groups contain a single alternate match target for a source file. focus=template will match against mappings.template. Here is an example that supports a default Ember 4.28 project with direct access between code, templates, routes, and tests using <Leader> c, h, r, and t.

-- neovim mappings
vim.api.nvim_set_keymap( "n", "<Leader>c", ":Telescope telescope-alternate alternate_file focus=code<cr>", { noremap = true })
vim.api.nvim_set_keymap( "n", "<Leader>h", ":Telescope telescope-alternate alternate_file focus=template<cr>", { noremap = true })
vim.api.nvim_set_keymap( "n", "<Leader>r", ":Telescope telescope-alternate alternate_file focus=route<cr>", { noremap = true })
vim.api.nvim_set_keymap( "n", "<Leader>t", ":Telescope telescope-alternate alternate_file focus=test<cr>", { noremap = true })
vim.api.nvim_set_keymap( "n", "<Leader>a", ":Telescope telescope-alternate alternate_file<cr>", { noremap = true })
-- telescope extension setup
require('telescope').setup{
  extensions = {
    ["telescope-alternate"] = {
      mappings = {
       code = {
         { 'app/routes/(.*/?)(.*).([jt]s)$', {
           { 'app/controllers/[1][2].[3]', 'Controller' },
         } },
         { 'app/templates/(.*/?)(.*).hbs', {
           { 'app/controllers/[1][2].*s', 'Controller', true },
         } },
         { 'app/templates/components/(.*/?)(.*).hbs', {
           { 'app/components/[1][2].*s', 'Component', true },
         } },
         { 'tests/helpers/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/helpers/[1][2].[3]', 'Helper' },
         } },
         { 'tests/integration/components/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/components/[1][2].[3]', 'Component' },
         } },
         { 'tests/unit/controllers/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/controllers/[1][2].[3]', 'Controller' },
         } },
         { 'tests/unit/models/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/models/[1][2].[3]', 'Model' },
         } },
         { 'tests/unit/routes/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/routes/[1][2].[3]', 'Route' },
         } },
         { 'tests/unit/services/(.*/?)(.*)-test.([jt]s)', {
           { 'app/services/[1][2].[3]', 'Service' },
         } },
         { 'tests/unit/utils/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/utils/[1][2].[3]', 'Util' },
         } },
       },
       route = {
         { 'app/controllers/(.*/?)(.*).([jt]s)$', {
           { 'app/routes/[1][2].[3]', 'Route' },
         } },
         { 'app/templates/(.*/?)(.*).hbs', {
           { 'app/routes/[1][2].*s', 'Route' },
         } },
         { 'tests/unit/routes/(.*/?)(.*).([jt]s)$', {
           { 'app/routes/[1][2].[3]', 'Route' },
         } },
       },
       template = {
         { 'app/controllers/(.*/?)(.*).([jt]s)$', {
           { 'app/templates/[1][2].hbs', 'Template' },
         } },
         { 'app/components/(.*/?)(.*).([jt]s)$', {
           { 'app/templates/components/[1][2].hbs', 'Template' },
         } },
         { 'app/routes/(.*/?)(.*).([jt]s)$', {
           { 'app/templates/[1][2].hbs', 'Template' },
         } },
         { 'tests/unit/controllers/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/templates/[1][2].hbs', 'Template' },
         } },
         { 'tests/integration/components/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/templates/components/[1][2].hbs', 'Template' },
         } },
         { 'tests/unit/routes/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/templates/[1][2].hbs', 'Template' },
         } },
       },
       test = {
         { 'app/components/(.*/?)(.*).([jt]s)$', {
           { 'tests/integration/components/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/templates/components/(.*/?)(.*).hbs', {
           { 'tests/integration/components/[1][2]-test.*s', 'Test', true },
         } },
         { 'app/helpers/(.*/?)(.*).([jt]s)$', {
           { 'tests/helpers/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/controllers/(.*/?)(.*).([jt]s)$', {
           { 'tests/unit/controllers/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/models/(.*/?)(.*).([jt]s)$', {
           { 'tests/unit/models/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/routes/(.*/?)(.*).([jt]s)$', {
           { 'tests/unit/routes/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/services/(.*/?)(.*).([jt]s)$', {
           { 'tests/unit/services/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/utils/(.*/?)(.*).([jt]s)$', {
           { 'tests/unit/utils/[1][2]-test.[3]', 'Test' },
         } },
       },
       all = {
         { 'app/components/(.*/?)(.*).([jt]s)$', {
           { 'app/templates/components/[1][2].hbs', 'Template' },
           { 'tests/integration/components/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/controllers/(.*/?)(.*).([jt]s)$', {
           { 'app/routes/[1][2].[3]', 'Route' },
           { 'app/templates/[1][2].hbs', 'Template' },
           { 'tests/unit/controllers/[1]-test.[3]', 'Test' },
         } },
         { 'app/routes/(.*/?)(.*).([jt]s)$', {
           { 'app/controllers/[1][2].[3]', 'Controller' },
           { 'app/templates/[1][2].hbs', 'Template' },
           { 'tests/unit/routes/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/templates/(.*/?)(.*).hbs', {
           { 'app/controllers/[1][2].*s', 'Controller' },
           { 'app/routes/[1][2].*s', 'Route' },
           { 'tests/unit/controllers/[1][2]-test.[3]', 'Test' },
           { 'tests/unit/routes/[1][2]-test.*s', 'Test' },
         } },
         { 'app/templates/components/(.*/?)(.*).hbs', {
           { 'app/components/[1][2].*s', 'Component', true },
           { 'tests/integration/components/[1][2]-test.*s', 'Test', true },
         } },
         { 'app/models/(.*/?)(.*).([jt]s)$', {
           { 'tests/unit/models/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/helpers/(.*/?)(.*).([jt]s)$', {
           { 'tests/helpers/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/services/(.*/?)(.*).([jt]s)$', {
           { 'tests/unit/services/[1][2]-test.[3]', 'Test' },
         } },
         { 'app/utils/(.*/?)(.*).([jt]s)$', {
           { 'tests/unit/utils/[1][2]-test.[3]', 'Test' },
         } },
         { 'tests/integration/components/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/components/[1][2].[3]', 'Component' },
           { 'app/templates/components/[1][2].hbs', 'Template' },
         } },
         { 'tests/unit/controllers/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/controllers/[1][2].[3]', 'Controller' },
           { 'app/templates/[1][2].hbs', 'Template' },
         } },
         { 'tests/unit/routes/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/routes/[1][2].[3]', 'Route' },
           { 'app/templates/[1][2].hbs', 'Template' },
         } },
         { 'tests/unit/models/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/models/[1][2].[3]', 'Model' },
         } },
         { 'tests/helpers/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/helpers/[1][2].[3]', 'Helper' },
         } },
         { 'tests/unit/services/(.*/?)(.*)-test.([jt]s)', {
           { 'app/services/[1][2].[3]', 'Service' },
         } },
         { 'tests/unit/utils/(.*/?)(.*)-test.([jt]s)$', {
           { 'app/utils/[1][2].[3]', 'Util' },
         } },
       },
       presets = { }
      },
    },
  },
}

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Alternate between common files using pre-defined regexp. Just map the patterns and starting navigating between files that are related.

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