First implementation of Plimi

src/tools/text-case/run.ts

@@ -0,0 +1,41 @@
+import type { ToolInput } from "../../core/io/input-types";
+import type { ToolResult } from "../../core/io/output-types";
+import type { TextCaseOptions } from "./index";
+
+export async function runTextCase(
+  input: ToolInput,
+  options: TextCaseOptions
+): Promise<ToolResult> {
+  const text = input.text || "";
+  if (!text) {
+    throw new Error("No text provided.");
+  }
+
+  // A simple tokenizer that splits by whitespace or punctuation
+  const words = text.match(/[A-Z]+(?![a-z])|[A-Z]?[a-z]+|\d+/g) || [];
+
+  const outputStr = (() => {
+    switch (options.to) {
+      case "UPPERCASE":
+        return text.toUpperCase();
+      case "lowercase":
+        return text.toLowerCase();
+      case "camelCase":
+        return words.map((w, i) => {
+        const lower = w.toLowerCase();
+        return i === 0 ? lower : lower.charAt(0).toUpperCase() + lower.slice(1);
+      }).join("");
+      case "snake_case":
+        return words.map(w => w.toLowerCase()).join("_");
+      case "kebab-case":
+        return words.map(w => w.toLowerCase()).join("-");
+      default:
+        return text;
+    }
+  })();
+
+  return {
+    type: "text",
+    value: outputStr,
+  };
+}