From d6d14d167eeb35b8f446ba41ae89032213efc6a7 Mon Sep 17 00:00:00 2001
From: Nan72 <lecongnhan29@gmail.com>
Date: Sun, 16 Feb 2025 12:51:02 +0700
Subject: [PATCH] feat(pad): add padding command

---
 build.ts       |  2 ++
 package.json   |  5 ++++
 src/uis/pad.ts | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 70 insertions(+)
 create mode 100644 src/uis/pad.ts

diff --git a/build.ts b/build.ts
index 9d9f138..94c19a9 100644
--- a/build.ts
+++ b/build.ts
@@ -14,7 +14,9 @@ const entrypoints = [
 	"./src/trim.ts",
 	"./src/trim-end.ts",
 	"./src/trim-start.ts",
+
 	"./src/uis/truncate.ts",
+	"./src/uis/pad.ts",
 ];
 
 async function build() {
diff --git a/package.json b/package.json
index 78d143a..485413f 100644
--- a/package.json
+++ b/package.json
@@ -77,6 +77,11 @@
         "main": "dist/truncate.js",
         "name": "Truncate a string to a maximum length",
         "cmds": []
+      },
+      {
+        "main": "dist/pad.js",
+        "name": "Pad a string to a maximum length",
+        "cmds": []
       }
     ]
   },
diff --git a/src/uis/pad.ts b/src/uis/pad.ts
new file mode 100644
index 0000000..9ffe3bc
--- /dev/null
+++ b/src/uis/pad.ts
@@ -0,0 +1,63 @@
+import { expose, Form,  TemplateUiCommand, ui, clipboard, toast } from "@kksh/api/ui/template";
+import { isEmpty } from "lodash";
+import padStart from "lodash/padStart";
+import padEnd from "lodash/padEnd";
+
+class PaddingExt extends TemplateUiCommand {
+    async onFormSubmit(value: Record<string, any>): Promise<void> {
+        const func = value.padStart ? padStart : padEnd;
+
+        if (value.length <= 0) {
+            await toast.error("Length must be greater than 0");
+            return;
+        }
+
+        if (isEmpty(value.char)) {
+            await toast.error("Padding character(s) must not be empty");
+            return;
+        }
+
+        const paddedText = func(value.string, value.length, value.char);
+        await clipboard.writeText(paddedText);
+        await toast.success(`Copied padded text "${paddedText}"`);
+        return;
+    }
+
+    async load() {
+        const clipboardText = await clipboard.readText();
+
+        return ui.render(
+            new Form.Form({
+                key: "paddingForm",
+                fields: [
+                    new Form.InputField({
+                        key: "string",
+                        label: "Text",
+                        placeholder: "The text to pad",
+                        default: clipboardText,
+                        component: "textarea",
+                    }),
+                    new Form.BooleanField({
+                        key: "padStart",
+                        label: "Pad start",
+                        default: true,
+                    }),
+                    new Form.NumberField({
+                        key: "length",
+                        label: "Length - pad if the string length is shorter, truncate if longer",
+                        placeholder: "The length to pad to",
+                        default: clipboardText.length,
+                    }),
+                    new Form.InputField({
+                        key: "char",
+                        label: "Padding characters - pad with these characters",
+                        placeholder: "The character to pad with",
+                        default: "0",
+                    }),
+                ],
+            })
+        );
+    }
+}
+
+expose(new PaddingExt())