struggle

cli/TerminalLayout.ts

@@ -27,6 +27,10 @@ export class TerminalLayout {
     }
   }
 
+  getBlock(name: string) {
+    return this.blocks[name];
+  }
+
   requestRender() {
     if (this.debounceTimer !== null) {
       clearTimeout(this.debounceTimer);

cli/index.ts

@@ -3,9 +3,13 @@ import { toCase } from "util/caseManagement.ts";
 import { ArgParser } from "./argParser.ts";
 import { colorize } from "./colorize.ts";
 import { selectMenuInteractive } from "./selectMenu.ts";
+import { TerminalBlock, TerminalLayout } from "./TerminalLayout.ts";
 
 export class PdfToolsCli {
   private tools: Map<string, ITool> = new Map();
+  private terminalLayout = new TerminalLayout();
+
+  private args = ArgParser.parse(Deno.args);
 
   async importTools(tools?: string) {
     tools = tools?.replace(/\/$/, "").replace(/^\.?\//, "") || "tools";
@@ -34,31 +38,48 @@ export class PdfToolsCli {
   }
 
   public async run() {
-    console.clear();
-    let lineCount = 0;
-    for (const t of ["bearmetal:porple", "pdftools:cyan"]) {
-      const [name, color] = t.split(":");
-      const asciiArt = await getAsciiArt(name);
-      console.log(colorize(asciiArt, color));
-      lineCount += asciiArt.split("\n").length;
+    try {
+      const lines: string[] = [];
+      for (const t of ["bearmetal:porple", "pdftools:cyan"]) {
+        const [name, color] = t.split(":");
+        const asciiArt = await getAsciiArt(name);
+        lines.push(...colorize(asciiArt, color).split("\n"));
+      }
+      const titleBlock = new TerminalBlock();
+      this.terminalLayout.register("title", titleBlock);
+      const bodyBlock = new TerminalBlock();
+      this.terminalLayout.register("body", bodyBlock);
+      titleBlock.setFixedHeight(lines.length);
+      titleBlock.setLines(lines);
+      if (Deno.args.length === 0) {
+        // console.log(
+        //   colorize("No tool specified. Importing all tools...", "gray"),
+        // );
+        await this.importTools();
+      }
+      this.toolMenu();
+    } finally {
+      this.terminalLayout.clearAll();
     }
-    if (Deno.args.length === 0) {
-      console.log(
-        colorize("No tool specified. Importing all tools...", "gray"),
-      );
-      await this.importTools();
-    }
-    const args = ArgParser.parse(Deno.args);
-    this.toolMenu(Deno.consoleSize().rows - lineCount);
   }
 
-  private async toolMenu(space?: number) {
+  private async toolMenu() {
     const tools = this.tools.keys().toArray();
-    const selected = await selectMenuInteractive("Choose a tool", tools);
+    const bodyBlock = this.terminalLayout.getBlock("body");
+    const selected = await selectMenuInteractive("Choose a tool", tools, {
+      terminalBlock: bodyBlock,
+    });
+    bodyBlock.clear();
     if (!selected) return;
-    const tool = this.tools.get(toCase(selected, "camel"));
+    await this.runTool(selected);
+    this.toolMenu();
+  }
+
+  private async runTool(toolName: string) {
+    const tool = this.tools.get(toolName);
     if (tool) {
       await tool.run();
+      await tool.done?.();
     }
   }
 }