new(nvim): add typst-preview.nvim

with customization to modify --root for typst

dotfiles/neovim/init.lua

@@ -279,6 +279,65 @@ require('lazy').setup({
             })
         end,
     },
+    {
+        'chomosuke/typst-preview.nvim',
+        ft = 'typst',
+        version = 'v1.*',
+        build = function()
+            require 'typst-preview'.update()
+        end,
+        config = function()
+            require 'typst-preview'.setup {
+                -- Setting this true will enable printing debug information with print()
+                debug = false,
+
+                -- Custom format string to open the output link provided with %s
+                -- Example: open_cmd = 'firefox %s -P typst-preview --class typst-preview'
+                open_cmd = nil,
+
+                -- Setting this to 'always' will invert black and white in the preview
+                -- Setting this to 'auto' will invert depending if the browser has enable
+                -- dark mode
+                -- Setting this to '{"rest": "<option>","image": "<option>"}' will apply
+                -- your choice of color inversion to images and everything else
+                -- separately.
+                invert_colors = 'never',
+
+                -- Whether the preview will follow the cursor in the source file
+                follow_cursor = true,
+
+                -- Provide the path to binaries for dependencies.
+                -- Setting this will skip the download of the binary by the plugin.
+                -- Warning: Be aware that your version might be older than the one
+                -- required.
+                dependencies_bin = {
+                    ['tinymist'] = nil,
+                    ['websocat'] = nil
+                },
+
+                -- A list of extra arguments (or nil) to be passed to previewer.
+                -- For example, extra_args = { "--input=ver=draft", "--ignore-system-fonts" }
+                extra_args = nil,
+
+                -- This function will be called to determine the root of the typst project
+                get_root = function(path_of_main_file)
+                    -- Use root of git repository as a --root for typst
+                    local rootpath = vim.fs.root(path_of_main_file, '.git')
+                    if rootpath then
+                        return rootpath
+                    else
+                        return vim.fn.fnamemodify(path_of_main_file, ':p:h')
+                    end
+                end,
+
+                -- This function will be called to determine the main file of the typst
+                -- project.
+                get_main_file = function(path_of_buffer)
+                    return path_of_buffer
+                end,
+            }
+        end
+    },
 })
 
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