adds flag coalescing to argparser

adds handling of inlined args to call tools
fixes terminal layout clearing troubles

cli/TerminalLayout.ts

@@ -79,15 +79,15 @@ export class TerminalLayout {
   }
 
   clearAll() {
+    for (const name of this.layoutOrder) {
+      this.blocks[name].clear();
+    }
     Deno.stdout.writeSync(
       new TextEncoder().encode(
         TerminalLayout.ALT_BUFFER_DISABLE,
       ),
     );
     Cursor.show();
-    for (const name of this.layoutOrder) {
-      this.blocks[name].clear();
-    }
   }
 
   clear() {
@@ -223,7 +223,6 @@ export class TerminalBlock {
     for (let i = 0; i < this.renderedLineCount; i++) {
       Deno.stdout.writeSync(new TextEncoder().encode(`\x1b[2K\x1b[1E`));
     }
-    this.renderedLineCount = 0;
   }
 
   clearAll() {

cli/argParser.ts

@@ -1,5 +1,6 @@
-export class ArgParser {
+export class ArgParser<T extends Record<string, string[]>> {
   private args: string[];
+  private flags: Map<keyof T, boolean> = new Map();
 
   constructor(args: string[]) {
     this.args = args;
@@ -11,7 +12,22 @@ export class ArgParser {
     return this.args[index + 1];
   }
 
-  get flags() {
+  setFlagDefs(flagDefs: T) {
+    for (const [flag, defs] of Object.entries(flagDefs)) {
+      for (const def of defs) {
+        if (this.argFlags.includes(def)) {
+          this.flags.set(flag, true);
+        }
+      }
+    }
+    return this;
+  }
+
+  getFlag(flag: keyof T) {
+    return this.flags.get(flag);
+  }
+
+  get argFlags() {
     return this.args.filter((arg) => arg.startsWith("-"));
   }
 
@@ -26,6 +42,9 @@ export class ArgParser {
   get task() {
     return this.nonFlags[0];
   }
+  get taskArgs() {
+    return this.nonFlags.slice(1);
+  }
 
   static parse(args: string[]) {
     return new ArgParser(args);

cli/index.ts

@@ -9,8 +9,11 @@ import { cliAlert, cliLog } from "./prompts.ts";
 export class PdfToolsCli {
   private tools: Map<string, ITool> = new Map();
   private terminalLayout = new TerminalLayout();
+  closeMessage?: string;
 
-  private args = ArgParser.parse(Deno.args);
+  private args = ArgParser.parse(Deno.args).setFlagDefs({
+    help: ["-h", "--help"],
+  });
 
   async importTools(tools?: string) {
     tools = tools?.replace(/\/$/, "").replace(/^\.?\//, "") || "tools";
@@ -51,17 +54,22 @@ export class PdfToolsCli {
       this.terminalLayout.register("title", titleBlock);
       const bodyBlock = new TerminalBlock();
       this.terminalLayout.register("body", bodyBlock);
-      this.embiggenHeader();
-      if (Deno.args.length === 0) {
-        // console.log(
-        //   colorize("No tool specified. Importing all tools...", "gray"),
-        // );
+      if (this.args.getFlag("help") && !this.args.task) {
+        await this.help();
+        return;
+      } else if (this.args.nonFlags.length === 0 || !this.args.task) {
+        this.embiggenHeader();
         await this.importTools();
+        await this.toolMenu();
+      } else {
+        await this.importTools();
+        const task = this.args.task;
+        await this.runTool(toCase(task, "title"));
       }
-      await this.toolMenu();
     } finally {
       this.terminalLayout.clearAll();
       Deno.stdin.setRaw(false);
+      if (this.closeMessage) console.log(this.closeMessage);
     }
   }
 
@@ -95,9 +103,15 @@ export class PdfToolsCli {
       const bodyBlock = this.terminalLayout.getBlock("body");
       bodyBlock.clearAll();
       tool.setBlock?.(bodyBlock);
-      await tool.run();
-      await tool.done?.();
-      this.embiggenHeader();
+      if (this.args.getFlag("help")) {
+        await tool.help?.();
+      } else {
+        await tool.run(...this.args.taskArgs);
+        await tool.done?.();
+      }
+      await this.embiggenHeader();
+    } else {
+      this.closeMessage = "No tool found for " + toolName;
     }
   }
 

cli/prompts.ts

@@ -1,4 +1,5 @@
 import { Cursor } from "./cursor.ts";
+import { ScrollManager } from "./scrollManager.ts";
 import { colorize } from "./style.ts";
 import { TerminalBlock, TerminalLayout } from "./TerminalLayout.ts";
 
@@ -11,11 +12,8 @@ export async function cliPrompt(
 
   await Deno.stdin.setRaw(true);
 
-  let cursorVisible = true;
-  if (!block) {
-    cursorVisible = Cursor["visible"];
-    Cursor.show();
-  }
+  const cursorVisible = Cursor["visible"];
+  Cursor.show();
 
   let range: [number, number] = [0, 1];
   if (block) {
@@ -54,7 +52,7 @@ export async function cliPrompt(
   }
 
   await Deno.stdin.setRaw(false);
-  if (!block && !cursorVisible) {
+  if (!cursorVisible) {
     Cursor.hide();
   }
   Deno.stdout.writeSync(encoder.encode("\n"));
@@ -86,10 +84,12 @@ export function cliLog(message: string, block?: TerminalBlock) {
 }
 
 if (import.meta.main) {
+  Cursor.hide();
   const layout = new TerminalLayout();
   const title = new TerminalBlock();
   const block = new TerminalBlock();
   block.setPreserveHistory(true);
+  // ScrollManager.enable(block);
   title.setLines(["Hello, World!"]);
   title.setFixedHeight(1);
 
@@ -105,6 +105,7 @@ if (import.meta.main) {
   cliLog(`Hello, ${name}!`, block);
   const single = await cliConfirm("Are you single?", block);
   cliLog(single ? "Do you want to go out with me?" : "Okay", block);
+  // ScrollManager.enable(block);
   const loopingConvo = [
     "No response?",
     "I guess that's okay",