Added functionality to view and navigate loclist (#17)

README.md

@@ -37,6 +37,9 @@ require('telescope.builtin').lsp_references()
 
 -- Convert currently quickfixlist to telescope
 require('telescope.builtin').quickfix()
+
+-- Convert currently loclist to telescope
+require('telescope.builtin').loclist()
 ```
 
 ### Example
@@ -91,6 +94,13 @@ require'telescope.builtin'.quickfix{
 }
 ```
 
+```lua
+require'telescope.builtin'.loclist{
+    -- See Picker for additional options
+    prompt = 'Loclist'
+}
+```
+
 ```lua
 require'telescope.builtin'.grep_string{
     -- See Picker for additional options

lua/telescope/builtin.lua

@@ -133,6 +133,28 @@ builtin.quickfix = function(opts)
   }):find()
 end
 
+builtin.loclist = function(opts)
+  local locations = vim.fn.getloclist(0)
+  local filename = vim.api.nvim_buf_get_name(0)
+
+  for _, value in pairs(locations) do
+    value.filename = filename
+  end
+
+  local results = utils.quickfix_items_to_entries(locations)
+
+  if vim.tbl_isempty(results) then
+    return
+  end
+
+  pickers.new(opts, {
+    prompt    = 'Loclist',
+    finder    = finders.new_table(results),
+    previewer = previewers.qflist,
+    sorter    = sorters.get_norcalli_sorter(),
+  }):find()
+end
+
 builtin.grep_string = function(opts)
   opts = opts or {}