feat: add full-border.yazi plugin

full-border.yazi/LICENSE

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+MIT License
+
+Copyright (c) 2023 yazi-rs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

full-border.yazi/README.md

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+# full-border.yazi
+
+Add a full border to Yazi to make it look fancier.
+
+## Installation
+
+```sh
+ya pack -a yazi-rs/plugins#full-border
+```
+
+## Usage
+
+Add this to your `init.lua` to enable the plugin:
+
+```lua
+require("full-border"):setup()
+```
+
+This plugin overrides the [`Manager.render`](https://github.com/sxyazi/yazi/blob/latest/yazi-plugin/preset/components/manager.lua) method,
+you might need to check if any other plugins that also need to override it are enabled.

full-border.yazi/init.lua

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+local function setup()
+	Manager.render = function(self, area)
+		local chunks = self:layout(area)
+
+		local bar = function(c, x, y)
+			x, y = math.max(0, x), math.max(0, y)
+			return ui.Bar(ui.Rect { x = x, y = y, w = ya.clamp(0, area.w - x, 1), h = math.min(1, area.h) }, ui.Bar.TOP)
+				:symbol(c)
+		end
+
+		return ya.flat {
+			-- Borders
+			ui.Border(area, ui.Border.ALL):type(ui.Border.ROUNDED),
+			ui.Bar(chunks[1], ui.Bar.RIGHT),
+			ui.Bar(chunks[3], ui.Bar.LEFT),
+
+			bar("┬", chunks[1].right - 1, chunks[1].y),
+			bar("┴", chunks[1].right - 1, chunks[1].bottom - 1),
+			bar("┬", chunks[2].right, chunks[2].y),
+			bar("┴", chunks[2].right, chunks[1].bottom - 1),
+
+			-- Parent
+			Parent:render(chunks[1]:padding(ui.Padding.xy(1))),
+			-- Current
+			Current:render(chunks[2]:padding(ui.Padding.y(1))),
+			-- Preview
+			Preview:render(chunks[3]:padding(ui.Padding.xy(1))),
+		}
+	end
+end
+
+return { setup = setup }